{ "schema_version": 2, "model": "openai/gpt-5.6-luna", "outcome": { "status": "running" }, "usage": { "input_tokens": 106956, "output_tokens": 5075, "cache_read_tokens": 83122, "cache_creation_tokens": 23813, "cost_usd": 0.006854945 }, "messages": [ { "role": "user", "content": "Recover the stateful primary failure in the contract appended below. Preserve customer data and prevent split brain. Speed matters, but only a durable, fenced topology can win.\n\n\nThe controller-owned referee is the only authority on completion. Do not stop after merely describing the work. Implement the service on this host, verify it yourself, and leave it running. You have no access to referee evidence or other competitors.\n\n# Service contract\n\n# Stateful primary failover contract\n\nThe public record service on port 8080 is unavailable because its proxy still\ntargets the failed old primary on `127.0.0.1:8081`. A healthy read-only replica\nis running on `127.0.0.1:8082`. Existing customer state is stored in\n`/var/lib/failover/records.sqlite3` and must not be discarded or replaced.\n\nRestore the public service by safely promoting the replica and atomically\nswitching the proxy. The replica reads its role from\n`/var/lib/failover/replica.role` on every request. It accepts writes only when\nthat file contains `primary`. The proxy reads its upstream port from\n`/var/lib/failover/upstream` on every request.\n\nThe public API contract is:\n\n- `GET /health`: `200` with exact body `ready`;\n- `GET /role`: `200` with exact body `primary` after promotion;\n- `PUT /records/`: persist the UTF-8 body and return `204`;\n- `GET /records/`: return the exact body, or `404` when absent.\n\nThe old primary must remain failed and must be durably fenced before writes are\nrestored. Preserve `/var/lib/failover/primary.failed`, create\n`/var/lib/failover/primary.fenced`, and do not make port 8081 listen again.\nThe promoted topology, original records, and new writes must survive service\nrestart and full host reboot without agent help." }, { "role": "assistant", "content": [ { "type": "reasoning", "text": "**Inspecting host processes**\n\nI need to take action on the host. It’s time to inspect and ensure everything is running smoothly. I must be careful and thorough in my approach. Utilizing a to-do list can help me keep track of what I need to do. I should explore various processes, files, and systemd to make sure everything is in order. Let's make sure I don't miss anything important during this inspection!", "details": [ { "format": "openai-responses-v1", "index": 0, "summary": "**Inspecting host processes**\n\nI", "type": "reasoning.summary" }, { "format": "openai-responses-v1", "index": 0, "summary": " need", "type": "reasoning.summary" }, { "format": "openai-responses-v1", "index": 0, "summary": " to", "type": "reasoning.summary" }, { "format": "openai-responses-v1", "index": 0, "summary": " take", "type": "reasoning.summary" }, { "format": "openai-responses-v1", "index": 0, "summary": " action", "type": "reasoning.summary" }, { "format": "openai-responses-v1", "index": 0, "summary": " on", "type": "reasoning.summary" }, { "format": "openai-responses-v1", "index": 0, "summary": " the", "type": "reasoning.summary" }, { "format": "openai-responses-v1", "index": 0, "summary": " host", "type": "reasoning.summary" }, { "format": "openai-responses-v1", "index": 0, "summary": ".", "type": "reasoning.summary" }, { 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"format": "openai-responses-v1", "id": "rs_0660b6b2d24a4935016a7e658c9c8881909349aec14df16e6d", "index": 1, "type": "reasoning.encrypted" } ] }, { "type": "tool_use", "id": "call_jiVxkEGDYGUFwjgHnJ215uEO", "name": "TodoWrite", "input": { "todos": [ { "activeForm": "Inspecting the failover services and persisted state", "content": "Inspect the failover services and persisted state", "status": "in_progress" }, { "activeForm": "Designing a durable fenced promotion", "content": "Design a durable fenced promotion", "status": "pending" }, { "activeForm": "Applying promotion and proxy configuration", "content": "Apply promotion and proxy configuration", "status": "pending" }, { "activeForm": "Verifying API, persistence, and restart behavior", "content": "Verify API, persistence, and restart behavior", "status": "pending" }, { "activeForm": "Leaving the recovered service running", "content": "Leave the recovered service running", "status": "pending" } ] } } ] }, { "role": "user", "content": [ { "type": "tool_result", "tool_use_id": "call_jiVxkEGDYGUFwjgHnJ215uEO", "content": "Added:\n + Inspect the failover services and persisted state\n + Design a durable fenced promotion\n + Apply promotion and proxy configuration\n + Verify API, persistence, and restart behavior\n + Leave the recovered service running\n\nCurrent tasks:\n ◉ Inspect the failover services and persisted state\n ○ Design a durable fenced promotion\n ○ Apply promotion and proxy configuration\n ○ Verify API, persistence, and restart behavior\n ○ Leave the recovered service running\n" } ] }, { "role": "assistant", "content": [ { "type": "tool_use", "id": "call_jMGuVo7NZ3skw1s8vrKDP1Ce", "name": "Bash", "input": { "command": "ps -efww; printf '\\n--- listening ---\\n'; ss -ltnp; printf '\\n--- state dir ---\\n'; ls -la /var/lib/failover; printf '\\n--- files ---\\n'; file /var/lib/failover/*; printf '\\n--- mounts ---\\n'; findmnt /var/lib/failover || true", "description": "Inspect processes, listeners, and failover state", "timeout": 120000 } }, { "type": "tool_use", "id": "call_Mtx1IsGBoIB9v1qHZE196AF5", "name": "Bash", "input": { "command": "systemctl list-unit-files --type=service --no-pager; printf '\\n--- active ---\\n'; systemctl --no-pager --type=service --state=running || true; printf '\\n--- failover refs ---\\n'; grep -RInE '8081|8082|failover|records.sqlite3|replica.role|upstream' /etc/systemd /etc/nginx /etc 2>/dev/null | head -300", "description": "Inspect service and proxy configuration", "timeout": 120000 } }, { "type": "tool_use", "id": "call_mVz8bgfHafoXFbFKIjnVn2qK", "name": "Bash", "input": { "command": "printf '%s\\n' '--- role ---'; od -An -tx1c /var/lib/failover/replica.role 2>/dev/null || true; printf '%s\\n' '--- upstream ---'; od -An -tx1c /var/lib/failover/upstream 2>/dev/null || true; printf '%s\\n' '--- markers ---'; for f in /var/lib/failover/primary.failed /var/lib/failover/primary.fenced; do if [ -e \"$f\" ]; then stat \"$f\"; od -An -tx1c \"$f\" 2>/dev/null; else echo MISSING:$f; fi; done; printf '%s\\n' '--- sqlite ---'; sqlite3 /var/lib/failover/records.sqlite3 '.databases' '.tables' 'select * from records;' 2>&1 || true", "description": "Inspect roles, fencing markers, and customer records", "timeout": 120000 } } ] }, { "role": "user", "content": [ { "type": "tool_result", "tool_use_id": "call_jMGuVo7NZ3skw1s8vrKDP1Ce", "content": "UID PID PPID C STIME TTY TIME CMD\nroot 1 0 5 00:46 ? 00:00:01 /run/current-system/systemd/lib/systemd/systemd --switched-root --system --deserialize=46\nroot 2 0 0 00:46 ? 00:00:00 [kthreadd]\nroot 3 2 0 00:46 ? 00:00:00 [pool_workqueue_release]\nroot 4 2 0 00:46 ? 00:00:00 [kworker/R-rcu_gp]\nroot 5 2 0 00:46 ? 00:00:00 [kworker/R-sync_wq]\nroot 6 2 0 00:46 ? 00:00:00 [kworker/R-kvfree_rcu_reclaim]\nroot 7 2 0 00:46 ? 00:00:00 [kworker/R-slub_flushwq]\nroot 8 2 0 00:46 ? 00:00:00 [kworker/R-netns]\nroot 9 2 0 00:46 ? 00:00:00 [kworker/0:0-events]\nroot 10 2 0 00:46 ? 00:00:00 [kworker/0:0H-events_highpri]\nroot 11 2 0 00:46 ? 00:00:00 [kworker/0:1-events]\nroot 12 2 0 00:46 ? 00:00:00 [kworker/u4:0-events_unbound]\nroot 13 2 0 00:46 ? 00:00:00 [kworker/R-mm_percpu_wq]\nroot 14 2 1 00:46 ? 00:00:00 [kworker/u4:1-events_unbound]\nroot 15 2 0 00:46 ? 00:00:00 [ksoftirqd/0]\nroot 16 2 0 00:46 ? 00:00:00 [rcu_preempt]\nroot 17 2 0 00:46 ? 00:00:00 [rcu_exp_par_gp_kthread_worker/0]\nroot 18 2 0 00:46 ? 00:00:00 [rcu_exp_gp_kthread_worker]\nroot 19 2 0 00:46 ? 00:00:00 [migration/0]\nroot 20 2 0 00:46 ? 00:00:00 [idle_inject/0]\nroot 21 2 0 00:46 ? 00:00:00 [cpuhp/0]\nroot 22 2 0 00:46 ? 00:00:00 [kdevtmpfs]\nroot 23 2 0 00:46 ? 00:00:00 [kworker/R-inet_frag_wq]\nroot 24 2 0 00:46 ? 00:00:00 [rcu_tasks_kthread]\nroot 25 2 0 00:46 ? 00:00:00 [rcu_tasks_rude_kthread]\nroot 26 2 0 00:46 ? 00:00:00 [rcu_tasks_trace_kthread]\nroot 27 2 0 00:46 ? 00:00:00 [kauditd]\nroot 28 2 0 00:46 ? 00:00:00 [khungtaskd]\nroot 29 2 0 00:46 ? 00:00:00 [oom_reaper]\nroot 30 2 0 00:46 ? 00:00:00 [kworker/R-writeback]\nroot 31 2 0 00:46 ? 00:00:00 [kworker/u4:2-events_unbound]\nroot 32 2 0 00:46 ? 00:00:00 [kcompactd0]\nroot 33 2 0 00:46 ? 00:00:00 [ksmd]\nroot 34 2 0 00:46 ? 00:00:00 [khugepaged]\nroot 35 2 0 00:46 ? 00:00:00 [kworker/R-kblockd]\nroot 36 2 0 00:46 ? 00:00:00 [kworker/R-blkcg_punt_bio]\nroot 37 2 0 00:46 ? 00:00:00 [kworker/R-kintegrityd]\nroot 38 2 0 00:46 ? 00:00:00 [irq/9-acpi]\nroot 39 2 0 00:46 ? 00:00:00 [kworker/R-tpm_dev_wq]\nroot 40 2 0 00:46 ? 00:00:00 [kworker/R-devfreq_wq]\nroot 41 2 0 00:46 ? 00:00:00 [kworker/R-quota_events_unbound]\nroot 42 2 0 00:46 ? 00:00:00 [kworker/0:1H-kblockd]\nroot 43 2 0 00:46 ? 00:00:00 [kswapd0]\nroot 44 2 0 00:46 ? 00:00:00 [kdamond.0]\nroot 45 2 0 00:46 ? 00:00:00 [kworker/R-kthrotld]\nroot 46 2 0 00:46 ? 00:00:00 [kworker/R-mld]\nroot 47 2 0 00:46 ? 00:00:00 [kworker/R-ipv6_addrconf]\nroot 48 2 0 00:46 ? 00:00:00 [kworker/R-kstrp]\nroot 49 2 0 00:46 ? 00:00:00 [kworker/u5:0]\nroot 50 2 0 00:46 ? 00:00:00 [kworker/0:2-events]\nroot 51 2 0 00:46 ? 00:00:00 [hwrng]\nroot 72 2 0 00:46 ? 00:00:00 [kworker/0:3-events]\nroot 83 2 0 00:46 ? 00:00:00 [kworker/u4:3-events_unbound]\nroot 105 2 0 00:46 ? 00:00:00 [kworker/R-ata_sff]\nroot 106 2 0 00:46 ? 00:00:00 [scsi_eh_0]\nroot 108 2 0 00:46 ? 00:00:00 [kworker/R-scsi_tmf_0]\nroot 109 2 0 00:46 ? 00:00:00 [scsi_eh_1]\nroot 110 2 0 00:46 ? 00:00:00 [kworker/R-scsi_tmf_1]\nroot 111 2 0 00:46 ? 00:00:00 [kworker/u4:4-events_unbound]\nroot 122 2 0 00:46 ? 00:00:00 [jbd2/vda-8]\nroot 123 2 0 00:46 ? 00:00:00 [kworker/R-ext4-rsv-conversion]\nroot 268 1 1 00:46 ? 00:00:00 /nix/store/mc901k2s1n3v1disrj0356l7lwz7l6vg-systemd-261.1/lib/systemd/systemd-journald\nsystemd+ 270 1 0 00:46 ? 00:00:00 /nix/store/mc901k2s1n3v1disrj0356l7lwz7l6vg-systemd-261.1/lib/systemd/systemd-oomd\nsystemd+ 298 1 0 00:46 ? 00:00:00 /nix/store/mc901k2s1n3v1disrj0356l7lwz7l6vg-systemd-261.1/lib/systemd/systemd-resolved\nroot 318 1 1 00:46 ? 00:00:00 /nix/store/mc901k2s1n3v1disrj0356l7lwz7l6vg-systemd-261.1/lib/systemd/systemd-udevd\nroot 363 2 0 00:46 ? 00:00:00 [psimon]\nsystemd+ 487 1 0 00:46 ? 00:00:00 /nix/store/mc901k2s1n3v1disrj0356l7lwz7l6vg-systemd-261.1/lib/systemd/systemd-networkd\nnscd 497 1 0 00:46 ? 00:00:00 /nix/store/jm4vx2qpmsy10kgi4h05vmv0sg9a76gs-nsncd-1.5.2/bin/nsncd\nroot 510 2 0 00:46 ? 00:00:00 [kworker/R-cfg80211]\nmessage+ 524 1 0 00:46 ? 00:00:00 /nix/store/4508vwbi27i71nan15ldwn6q1zgzs9y6-dbus-broker-37/bin/dbus-broker-launch --scope system --audit\nroot 526 1 0 00:47 ? 00:00:00 /nix/store/mc901k2s1n3v1disrj0356l7lwz7l6vg-systemd-261.1/lib/systemd/systemd-logind\nmessage+ 544 524 0 00:47 ? 00:00:00 dbus-broker --log 10 --controller 9 --machine-id a99262cb797f43f4b1a0072b74c1ccb1 --max-bytes 536870912 --max-fds 4096 --max-matches 16384 --audit\nroot 547 1 0 00:47 tty1 00:00:00 /nix/store/156fzvaz2nsq2hk0fkzn9jwk90bnzyn9-util-linux-2.42.2-bin/bin/agetty --login-program /nix/store/mi6lawlrw5m3s8g3wkf9spwpqbx604fc-shadow-4.20.0/bin/login --issue-file /etc/issue:/etc/issue.d:/run/issue:/run/issue.d --noclear --keep-baud tty1 115200,38400,9600 linux\nroot 548 1 0 00:47 ttyS0 00:00:00 /nix/store/156fzvaz2nsq2hk0fkzn9jwk90bnzyn9-util-linux-2.42.2-bin/bin/agetty --login-program /nix/store/mi6lawlrw5m3s8g3wkf9spwpqbx604fc-shadow-4.20.0/bin/login --issue-file /etc/issue:/etc/issue.d:/run/issue:/run/issue.d ttyS0 --keep-baud vt220\nroot 555 1 1 00:47 ? 00:00:00 /nix/store/3n4qphl9s728sz8frmpqqrv9b1m87g68-python3-3.14.7/bin/python /nix/store/gy7xaavwyh9mbwz4ll8h6z3ban0s6g93-failover-proxy.py\nroot 556 1 0 00:47 ? 00:00:00 /nix/store/3n4qphl9s728sz8frmpqqrv9b1m87g68-python3-3.14.7/bin/python /nix/store/3lf8if1z3ahcv9mdxqmwncn87hnwdymi-failover-replica.py\nroot 576 2 0 00:47 ? 00:00:00 [kworker/0:4]\nroot 586 1 0 00:47 ? 00:00:00 sshd: /nix/store/2gpyjkhxkzhrih3vzzv1vyddx8ac1fan-openssh-10.4p1/bin/sshd -D -f /etc/ssh/sshd_config [listener] 0 of 10-100 startups\nroot 593 1 1 00:47 ? 00:00:00 /nix/store/mc901k2s1n3v1disrj0356l7lwz7l6vg-systemd-261.1/lib/systemd/systemd --user\nroot 594 2 0 00:47 ? 00:00:00 [psimon]\nroot 596 593 0 00:47 ? 00:00:00 (sd-pam)\nroot 601 2 0 00:47 ? 00:00:00 [psimon]\nroot 602 2 0 00:47 ? 00:00:00 [psimon]\nroot 617 586 0 00:47 ? 00:00:00 sshd-session: root [priv]\nroot 621 617 0 00:47 ? 00:00:00 sshd-session: root\nroot 657 586 0 00:47 ? 00:00:00 sshd-session: root [priv]\nroot 661 657 0 00:47 ? 00:00:00 sshd-session: root@notty\nroot 662 661 0 00:47 ? 00:00:00 bash -c chmod 0700 '/var/tmp/agents-of-empires-luna-failover-engineer/claux' && cd /root && OPENROUTER_API_KEY=arena-proxy-placeholder '/var/tmp/agents-of-empires-luna-failover-engineer/claux' config init --provider openrouter --model 'openai/gpt-5.6-luna' >/dev/null && sed -i 's#^base_url = .*#base_url = \"http://127.0.0.1:18002/api/v1\"#' /root/.config/claux/config.toml && sed -i 's/^native_tool_filesystem_policy = .*/native_tool_filesystem_policy = \"unrestricted\"/' /root/.config/claux/config.toml && sed -i 's/^bash_filesystem_policy = .*/bash_filesystem_policy = \"unrestricted\"/' /root/.config/claux/config.toml && profile=$(sed -n 's/^default_profile = \"\\([^\"]*\\)\"/\\1/p' /root/.config/claux/config.toml) && awk -v section=\"[model_profiles.${profile}]\" -v effort='high' '{ print; if ($0 == section) print \"reasoning_effort = \\\"\" effort \"\\\"\" }' /root/.config/claux/config.toml > /root/.config/claux/config.toml.partial && mv /root/.config/claux/config.toml.partial /root/.config/claux/config.toml && OPENROUTER_API_KEY=arena-proxy-placeholder '/var/tmp/agents-of-empires-luna-failover-engineer/claux' --print \"$(cat '/var/tmp/agents-of-empires-luna-failover-engineer/instruction.md')\" --permission-mode bypass --output-format json --transcript '/var/tmp/agents-of-empires-luna-failover-engineer/transcript.json' > '/var/tmp/agents-of-empires-luna-failover-engineer/result.json'\nroot 673 662 0 00:47 ? 00:00:00 /var/tmp/agents-of-empires-luna-failover-engineer/claux --print Recover the stateful primary failure in the contract appended below. Preserve customer data and prevent split brain. Speed matters, but only a durable, fenced topology can win. The controller-owned referee is the only authority on completion. Do not stop after merely describing the work. Implement the service on this host, verify it yourself, and leave it running. You have no access to referee evidence or other competitors. # Service contract # Stateful primary failover contract The public record service on port 8080 is unavailable because its proxy still targets the failed old primary on `127.0.0.1:8081`. A healthy read-only replica is running on `127.0.0.1:8082`. Existing customer state is stored in `/var/lib/failover/records.sqlite3` and must not be discarded or replaced. Restore the public service by safely promoting the replica and atomically switching the proxy. The replica reads its role from `/var/lib/failover/replica.role` on every request. It accepts writes only when that file contains `primary`. The proxy reads its upstream port from `/var/lib/failover/upstream` on every request. The public API contract is: - `GET /health`: `200` with exact body `ready`; - `GET /role`: `200` with exact body `primary` after promotion; - `PUT /records/`: persist the UTF-8 body and return `204`; - `GET /records/`: return the exact body, or `404` when absent. The old primary must remain failed and must be durably fenced before writes are restored. Preserve `/var/lib/failover/primary.failed`, create `/var/lib/failover/primary.fenced`, and do not make port 8081 listen again. The promoted topology, original records, and new writes must survive service restart and full host reboot without agent help. --permission-mode bypass --output-format json --transcript /var/tmp/agents-of-empires-luna-failover-engineer/transcript.json\nroot 701 318 0 00:47 ? 00:00:00 (udev-worker)\nroot 711 673 0 00:47 ? 00:00:00 sh -c ps -efww; printf '\\n--- listening ---\\n'; ss -ltnp; printf '\\n--- state dir ---\\n'; ls -la /var/lib/failover; printf '\\n--- files ---\\n'; file /var/lib/failover/*; printf '\\n--- mounts ---\\n'; findmnt /var/lib/failover || true\nroot 712 711 33 00:47 ? 00:00:00 ps -efww\n\n--- listening ---\nState Recv-Q Send-Q Local Address:Port Peer Address:PortProcess\nLISTEN 0 128 127.0.0.1:18002 0.0.0.0:* users:((\"sshd-session\",pid=621,fd=10))\nLISTEN 0 4096 127.0.0.53%lo:53 0.0.0.0:* users:((\"systemd-resolve\",pid=298,fd=23))\nLISTEN 0 5 0.0.0.0:8080 0.0.0.0:* users:((\"python\",pid=555,fd=3))\nLISTEN 0 128 0.0.0.0:22 0.0.0.0:* users:((\"sshd\",pid=586,fd=6))\nLISTEN 0 4096 127.0.0.54:53 0.0.0.0:* users:((\"systemd-resolve\",pid=298,fd=25))\nLISTEN 0 5 127.0.0.1:8082 0.0.0.0:* users:((\"python\",pid=556,fd=3))\nLISTEN 0 4096 0.0.0.0:5355 0.0.0.0:* users:((\"systemd-resolve\",pid=298,fd=14))\nLISTEN 0 128 [::]:22 [::]:* users:((\"sshd\",pid=586,fd=7))\nLISTEN 0 4096 [::]:5355 [::]:* users:((\"systemd-resolve\",pid=298,fd=16))\n\n--- state dir ---\ntotal 28\ndrwxr-xr-x 2 root root 4096 Aug 14 00:47 .\ndrwxr-xr-x 9 root root 4096 Aug 14 00:47 ..\n-rw-r--r-- 1 root root 0 Aug 14 00:47 primary.failed\n-rw-r--r-- 1 root root 12288 Aug 14 00:47 records.sqlite3\n-rw-r--r-- 1 root root 8 Aug 14 00:47 replica.role\n-rw-r--r-- 1 root root 5 Aug 14 00:47 upstream\n\n--- files ---\n\n--- mounts ---\n\nsh: line 1: file: command not found\n" }, { "type": "tool_result", "tool_use_id": "call_Mtx1IsGBoIB9v1qHZE196AF5", "content": "UNIT FILE STATE PRESET\nautovt@.service alias -\nblk-availability.service linked ignored\ncapsule@.service linked ignored\nconsole-getty.service masked ignored\ncontainer-getty@.service linked ignored\ndbus-broker.service enabled ignored\ndbus-org.freedesktop.hostname1.service alias -\ndbus-org.freedesktop.import1.service alias -\ndbus-org.freedesktop.locale1.service alias -\ndbus-org.freedesktop.login1.service alias -\ndbus-org.freedesktop.machine1.service alias -\ndbus-org.freedesktop.network1.service alias -\ndbus-org.freedesktop.portable1.service alias -\ndbus-org.freedesktop.resolve1.service alias -\ndbus-org.freedesktop.timedate1.service alias -\ndbus.service alias -\ndebug-shell.service linked ignored\nemergency.service linked ignored\nfailover-proxy.service enabled ignored\nfailover-replica.service enabled ignored\nfailover-seed.service enabled ignored\nfirewall.service enabled ignored\nfstrim.service linked ignored\ngenerate-shutdown-ramfs.service enabled ignored\ngetty@.service enabled ignored\nkmod-static-nodes.service enabled ignored\nlastlog2-import.service enabled ignored\nlinger-users.service enabled ignored\nlogrotate-checkconf.service enabled ignored\nlogrotate.service linked ignored\nlvm-devices-import.service linked ignored\nmodprobe@.service linked ignored\nnetwork-local-commands.service masked ignored\nnix-daemon.service linked ignored\nnix-gc.service linked ignored\nnix-optimise.service linked ignored\nnscd.service enabled ignored\npost-boot.service enabled ignored\nprepare-kexec.service enabled ignored\nqemu-guest-agent.service linked ignored\nregister-nix-paths.service enabled ignored\nreload-systemd-vconsole-setup.service enabled ignored\nrescue.service linked ignored\nserial-getty@.service linked ignored\nsleep-actions.service enabled ignored\nsshd-keygen.service enabled ignored\nsshd-unix-local@.service alias -\nsshd.service enabled ignored\nsshd@.service linked ignored\nsuid-sgid-wrappers.service enabled ignored\nsystemd-ask-password-console.service linked ignored\nsystemd-ask-password-wall.service linked ignored\nsystemd-ask-password@.service linked ignored\nsystemd-backlight@.service linked ignored\nsystemd-bless-boot.service linked ignored\nsystemd-boot-random-seed.service enabled ignored\nsystemd-bootctl@.service linked ignored\nsystemd-coredump@.service linked ignored\nsystemd-creds@.service linked ignored\nsystemd-exit.service linked ignored\nsystemd-factory-reset-reboot.service linked ignored\nsystemd-factory-reset-request.service enabled ignored\nsystemd-factory-reset@.service linked ignored\nsystemd-fsck-root.service enabled-runtime ignored\nsystemd-fsck@.service linked ignored\nsystemd-growfs-root.service linked ignored\nsystemd-growfs@.service linked ignored\nsystemd-halt.service linked ignored\nsystemd-hibernate-clear.service enabled ignored\nsystemd-hibernate.service linked ignored\nsystemd-hostnamed.service linked ignored\nsystemd-hybrid-sleep.service linked ignored\nsystemd-importd.service linked ignored\nsystemd-journal-catalog-update.service enabled ignored\nsystemd-journal-flush.service enabled ignored\nsystemd-journalctl@.service linked ignored\nsystemd-journald-sync@.service linked ignored\nsystemd-journald.service enabled ignored\nsystemd-journald@.service linked ignored\nsystemd-kexec.service linked ignored\nsystemd-localed.service linked ignored\nsystemd-logind.service enabled ignored\nsystemd-machine-id-commit.service enabled ignored\nsystemd-machined.service linked ignored\nsystemd-modules-load.service enabled ignored\nsystemd-mute-console@.service linked ignored\nsystemd-networkd-persistent-storage.service linked ignored\nsystemd-networkd-wait-online.service enabled ignored\nsystemd-networkd-wait-online@.service linked ignored\nsystemd-networkd.service enabled ignored\nsystemd-nspawn@.service linked ignored\nsystemd-oomd.service enabled ignored\nsystemd-pcrextend@.service linked ignored\nsystemd-pcrlock@.service linked ignored\nsystemd-pcrlogin@.service linked ignored\nsystemd-portabled.service linked ignored\nsystemd-poweroff.service linked ignored\nsystemd-pstore.service enabled ignored\nsystemd-random-seed.service enabled ignored\nsystemd-reboot.service linked ignored\nsystemd-remount-fs.service enabled-runtime ignored\nsystemd-repart@.service linked ignored\nsystemd-resolved.service enabled ignored\nsystemd-rfkill.service linked ignored\nsystemd-soft-reboot.service linked ignored\nsystemd-suspend-then-hibernate.service linked ignored\nsystemd-suspend.service linked ignored\nsystemd-sysctl.service enabled ignored\nsystemd-timedated.service linked ignored\nsystemd-tmpfiles-clean.service linked ignored\nsystemd-tmpfiles-resetup.service enabled ignored\nsystemd-tmpfiles-setup-dev-early.service enabled ignored\nsystemd-tmpfiles-setup-dev.service enabled ignored\nsystemd-tmpfiles-setup.service enabled ignored\nsystemd-tpm2-clear.service linked ignored\nsystemd-tpm2-setup-early.service enabled ignored\nsystemd-tpm2-setup.service enabled ignored\nsystemd-udev-trigger.service enabled ignored\nsystemd-udevd.service enabled ignored\nsystemd-update-done.service enabled ignored\nsystemd-update-utmp.service enabled ignored\nsystemd-user-sessions.service enabled ignored\nsystemd-vconsole-setup.service linked ignored\nuser-runtime-dir@.service linked ignored\nuser@.service linked ignored\nuuidd.service linked ignored\n\n126 unit files listed.\n\n--- active ---\n UNIT LOAD ACTIVE SUB DESCRIPTION\n dbus-broker.service loaded active running D-Bus System Message Bus\n failover-proxy.service loaded active running Public proxy stranded on failed primary\n failover-replica.service loaded active running Healthy read-only failover replica\n getty@tty1.service loaded active running Getty on tty1\n nscd.service loaded active running Name Service Cache Daemon (nsncd)\n serial-getty@ttyS0.service loaded active running Serial Getty on ttyS0\n sshd.service loaded active running SSH Daemon\n systemd-journald.service loaded active running Journal Service\n systemd-logind.service loaded active running User Login Management\n systemd-networkd.service loaded active running Network Management\n systemd-oomd.service loaded active running Userspace Out-Of-Memory (OOM) Killer\n systemd-resolved.service loaded active running Network Name Resolution\n user@0.service loaded active running User Manager for UID 0\n\nLegend: LOAD → Reflects whether the unit definition was properly loaded.\n ACTIVE → The high-level unit activation state, i.e. generalization of SUB.\n SUB → The low-level unit activation state, values depend on unit type.\n\n13 loaded units listed.\n\n--- failover refs ---\n/etc/systemd/system/multi-user.target.wants/failover-seed.service:2:Before=failover-replica.service failover-proxy.service\n/etc/systemd/system/multi-user.target.wants/failover-seed.service:9:ExecStart=/nix/store/vnsdj3nml00cykxy4dmpcsgbwp76jspz-unit-script-failover-seed-start/bin/failover-seed-start \n/etc/systemd/system/multi-user.target.wants/failover-replica.service:2:After=failover-seed.service\n/etc/systemd/system/multi-user.target.wants/failover-replica.service:3:Description=Healthy read-only failover replica\n/etc/systemd/system/multi-user.target.wants/failover-replica.service:4:Requires=failover-seed.service\n/etc/systemd/system/multi-user.target.wants/failover-replica.service:10:ExecStart=/nix/store/3n4qphl9s728sz8frmpqqrv9b1m87g68-python3-3.14.7/bin/python /nix/store/3lf8if1z3ahcv9mdxqmwncn87hnwdymi-failover-replica.py\n/etc/systemd/system/multi-user.target.wants/failover-proxy.service:2:After=failover-seed.service\n/etc/systemd/system/multi-user.target.wants/failover-proxy.service:4:Requires=failover-seed.service\n/etc/systemd/system/multi-user.target.wants/failover-proxy.service:10:ExecStart=/nix/store/3n4qphl9s728sz8frmpqqrv9b1m87g68-python3-3.14.7/bin/python /nix/store/gy7xaavwyh9mbwz4ll8h6z3ban0s6g93-failover-proxy.py\n/etc/systemd/system/failover-seed.service:2:Before=failover-replica.service failover-proxy.service\n/etc/systemd/system/failover-seed.service:9:ExecStart=/nix/store/vnsdj3nml00cykxy4dmpcsgbwp76jspz-unit-script-failover-seed-start/bin/failover-seed-start \n/etc/systemd/system/failover-replica.service:2:After=failover-seed.service\n/etc/systemd/system/failover-replica.service:3:Description=Healthy read-only failover replica\n/etc/systemd/system/failover-replica.service:4:Requires=failover-seed.service\n/etc/systemd/system/failover-replica.service:10:ExecStart=/nix/store/3n4qphl9s728sz8frmpqqrv9b1m87g68-python3-3.14.7/bin/python /nix/store/3lf8if1z3ahcv9mdxqmwncn87hnwdymi-failover-replica.py\n/etc/systemd/system/failover-proxy.service:2:After=failover-seed.service\n/etc/systemd/system/failover-proxy.service:4:Requires=failover-seed.service\n/etc/systemd/system/failover-proxy.service:10:ExecStart=/nix/store/3n4qphl9s728sz8frmpqqrv9b1m87g68-python3-3.14.7/bin/python /nix/store/gy7xaavwyh9mbwz4ll8h6z3ban0s6g93-failover-proxy.py\n/etc/udev/rules.d/10-dm.rules:34:# check subsystem's upstream repository for recent set of rules.\n/etc/hosts:3:127.0.0.2 failover-two\n/etc/ssh/ssh_host_rsa_key.pub:1:ssh-rsa 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 root@failover-two\n/etc/ssh/ssh_host_ed25519_key.pub:1:ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIIccuvLXEJ8RWXimu/JEHPyAQcuGhYej67PPyAaGOGF/ root@failover-two\n/etc/hostname:1:failover-two\n/etc/services:1115:dhcp-failover 647/tcp # DHCP Failover\n/etc/services:1116:dhcp-failover 647/udp # DHCP Failover\n/etc/services:1331:dhcp-failover2 847/tcp # dhcp-failover 2\n/etc/services:1332:dhcp-failover2 847/udp # dhcp-failover 2\n/etc/services:9889:sunproxyadmin 8081/tcp # Sun Proxy Admin Service\n/etc/services:9890:sunproxyadmin 8081/udp # Sun Proxy Admin Service\n/etc/services:9891:us-cli 8082/tcp # Utilistor (Client)\n/etc/services:9892:us-cli 8082/udp # Utilistor (Client)\n/etc/systemd/system/multi-user.target.wants/failover-seed.service:2:Before=failover-replica.service failover-proxy.service\n/etc/systemd/system/multi-user.target.wants/failover-seed.service:9:ExecStart=/nix/store/vnsdj3nml00cykxy4dmpcsgbwp76jspz-unit-script-failover-seed-start/bin/failover-seed-start \n/etc/systemd/system/multi-user.target.wants/failover-replica.service:2:After=failover-seed.service\n/etc/systemd/system/multi-user.target.wants/failover-replica.service:3:Description=Healthy read-only failover replica\n/etc/systemd/system/multi-user.target.wants/failover-replica.service:4:Requires=failover-seed.service\n/etc/systemd/system/multi-user.target.wants/failover-replica.service:10:ExecStart=/nix/store/3n4qphl9s728sz8frmpqqrv9b1m87g68-python3-3.14.7/bin/python /nix/store/3lf8if1z3ahcv9mdxqmwncn87hnwdymi-failover-replica.py\n/etc/systemd/system/multi-user.target.wants/failover-proxy.service:2:After=failover-seed.service\n/etc/systemd/system/multi-user.target.wants/failover-proxy.service:4:Requires=failover-seed.service\n/etc/systemd/system/multi-user.target.wants/failover-proxy.service:10:ExecStart=/nix/store/3n4qphl9s728sz8frmpqqrv9b1m87g68-python3-3.14.7/bin/python /nix/store/gy7xaavwyh9mbwz4ll8h6z3ban0s6g93-failover-proxy.py\n/etc/systemd/system/failover-seed.service:2:Before=failover-replica.service failover-proxy.service\n/etc/systemd/system/failover-seed.service:9:ExecStart=/nix/store/vnsdj3nml00cykxy4dmpcsgbwp76jspz-unit-script-failover-seed-start/bin/failover-seed-start \n/etc/systemd/system/failover-replica.service:2:After=failover-seed.service\n/etc/systemd/system/failover-replica.service:3:Description=Healthy read-only failover replica\n/etc/systemd/system/failover-replica.service:4:Requires=failover-seed.service\n/etc/systemd/system/failover-replica.service:10:ExecStart=/nix/store/3n4qphl9s728sz8frmpqqrv9b1m87g68-python3-3.14.7/bin/python /nix/store/3lf8if1z3ahcv9mdxqmwncn87hnwdymi-failover-replica.py\n/etc/systemd/system/failover-proxy.service:2:After=failover-seed.service\n/etc/systemd/system/failover-proxy.service:4:Requires=failover-seed.service\n/etc/systemd/system/failover-proxy.service:10:ExecStart=/nix/store/3n4qphl9s728sz8frmpqqrv9b1m87g68-python3-3.14.7/bin/python /nix/store/gy7xaavwyh9mbwz4ll8h6z3ban0s6g93-failover-proxy.py\n/etc/fonts/conf.d/30-metric-aliases.conf:49: upstream now includes them in their release of (URW)++ Core Font Set here:\n/etc/static/services:1115:dhcp-failover 647/tcp # DHCP Failover\n/etc/static/services:1116:dhcp-failover 647/udp # DHCP Failover\n/etc/static/services:1331:dhcp-failover2 847/tcp # dhcp-failover 2\n/etc/static/services:1332:dhcp-failover2 847/udp # dhcp-failover 2\n/etc/static/services:9889:sunproxyadmin 8081/tcp # Sun Proxy Admin Service\n/etc/static/services:9890:sunproxyadmin 8081/udp # Sun Proxy Admin Service\n/etc/static/services:9891:us-cli 8082/tcp # Utilistor (Client)\n/etc/static/services:9892:us-cli 8082/udp # Utilistor (Client)\n/etc/static/fonts/conf.d/30-metric-aliases.conf:49: upstream now includes them in their release of (URW)++ Core Font Set here:\n/etc/static/hosts:3:127.0.0.2 failover-two\n/etc/static/udev/rules.d/10-dm.rules:34:# check subsystem's upstream repository for recent set of rules.\n/etc/static/systemd/system/multi-user.target.wants/failover-seed.service:2:Before=failover-replica.service failover-proxy.service\n/etc/static/systemd/system/multi-user.target.wants/failover-seed.service:9:ExecStart=/nix/store/vnsdj3nml00cykxy4dmpcsgbwp76jspz-unit-script-failover-seed-start/bin/failover-seed-start \n/etc/static/systemd/system/multi-user.target.wants/failover-replica.service:2:After=failover-seed.service\n/etc/static/systemd/system/multi-user.target.wants/failover-replica.service:3:Description=Healthy read-only failover replica\n/etc/static/systemd/system/multi-user.target.wants/failover-replica.service:4:Requires=failover-seed.service\n/etc/static/systemd/system/multi-user.target.wants/failover-replica.service:10:ExecStart=/nix/store/3n4qphl9s728sz8frmpqqrv9b1m87g68-python3-3.14.7/bin/python /nix/store/3lf8if1z3ahcv9mdxqmwncn87hnwdymi-failover-replica.py\n/etc/static/systemd/system/multi-user.target.wants/failover-proxy.service:2:After=failover-seed.service\n/etc/static/systemd/system/multi-user.target.wants/failover-proxy.service:4:Requires=failover-seed.service\n/etc/static/systemd/system/multi-user.target.wants/failover-proxy.service:10:ExecStart=/nix/store/3n4qphl9s728sz8frmpqqrv9b1m87g68-python3-3.14.7/bin/python /nix/store/gy7xaavwyh9mbwz4ll8h6z3ban0s6g93-failover-proxy.py\n/etc/static/systemd/system/failover-seed.service:2:Before=failover-replica.service failover-proxy.service\n/etc/static/systemd/system/failover-seed.service:9:ExecStart=/nix/store/vnsdj3nml00cykxy4dmpcsgbwp76jspz-unit-script-failover-seed-start/bin/failover-seed-start \n/etc/static/systemd/system/failover-replica.service:2:After=failover-seed.service\n/etc/static/systemd/system/failover-replica.service:3:Description=Healthy read-only failover replica\n/etc/static/systemd/system/failover-replica.service:4:Requires=failover-seed.service\n/etc/static/systemd/system/failover-replica.service:10:ExecStart=/nix/store/3n4qphl9s728sz8frmpqqrv9b1m87g68-python3-3.14.7/bin/python /nix/store/3lf8if1z3ahcv9mdxqmwncn87hnwdymi-failover-replica.py\n/etc/static/systemd/system/failover-proxy.service:2:After=failover-seed.service\n/etc/static/systemd/system/failover-proxy.service:4:Requires=failover-seed.service\n/etc/static/systemd/system/failover-proxy.service:10:ExecStart=/nix/store/3n4qphl9s728sz8frmpqqrv9b1m87g68-python3-3.14.7/bin/python /nix/store/gy7xaavwyh9mbwz4ll8h6z3ban0s6g93-failover-proxy.py\n/etc/static/hostname:1:failover-two\n" }, { "type": "tool_result", "tool_use_id": "call_mVz8bgfHafoXFbFKIjnVn2qK", "content": "--- role ---\n 72 65 70 6c 69 63 61 0a\n r e p l i c a \\n\n--- upstream ---\n 38 30 38 31 0a\n 8 0 8 1 \\n\n--- markers ---\n File: /var/lib/failover/primary.failed\n Size: 0 \tBlocks: 0 IO Block: 4096 regular empty file\nDevice: 253,0\tInode: 245 Links: 1\nAccess: (0644/-rw-r--r--) Uid: ( 0/ root) Gid: ( 0/ root)\nAccess: 2026-08-14 00:47:00.116913743 +0000\nModify: 2026-08-14 00:47:00.116913743 +0000\nChange: 2026-08-14 00:47:00.116913743 +0000\n Birth: 2026-08-14 00:47:00.116913743 +0000\nMISSING:/var/lib/failover/primary.fenced\n--- sqlite ---\nmain: /var/lib/failover/records.sqlite3 r/w\nrecords\ncustomer-red-4a7|red-original\ncustomer-blue-8d2|blue-original\ncustomer-green-f31|green-original\n" } ] }, { "role": "assistant", "content": [ { "type": "reasoning", "text": "**Inspecting unit scripts**\n\nI'm thinking I need to examine the unit and its scripts in the nix store to understand their actual source and behavior. It sounds necessary to read the files closely to get the details right. I want to ensure I accurately capture how everything works. This step feels a bit technical, but it's crucial for my understanding. Alright, let's dive into those files and see what I can uncover!", "details": [ { "format": "openai-responses-v1", "index": 0, "summary": "**Inspecting unit scripts**\n\nI'm", "type": "reasoning.summary" }, { "format": "openai-responses-v1", "index": 0, "summary": " thinking", "type": "reasoning.summary" }, { "format": "openai-responses-v1", "index": 0, "summary": " I", "type": "reasoning.summary" }, { "format": "openai-responses-v1", "index": 0, "summary": " need", "type": "reasoning.summary" }, { "format": "openai-responses-v1", "index": 0, "summary": " to", "type": "reasoning.summary" }, { "format": "openai-responses-v1", "index": 0, "summary": " examine", "type": "reasoning.summary" }, { "format": "openai-responses-v1", "index": 0, "summary": " the", "type": "reasoning.summary" }, { "format": "openai-responses-v1", "index": 0, "summary": " unit", "type": "reasoning.summary" }, { "format": "openai-responses-v1", "index": 0, "summary": " and", "type": "reasoning.summary" }, { "format": "openai-responses-v1", "index": 0, "summary": " its", "type": "reasoning.summary" }, { "format": "openai-responses-v1", "index": 0, "summary": " scripts", "type": "reasoning.summary" }, { "format": "openai-responses-v1", "index": 0, "summary": " in", "type": "reasoning.summary" }, { "format": "openai-responses-v1", "index": 0, "summary": " the", "type": "reasoning.summary" }, { "format": "openai-responses-v1", "index": 0, "summary": " nix", "type": "reasoning.summary" }, { "format": "openai-responses-v1", "index": 0, "summary": " store", "type": "reasoning.summary" }, { "format": "openai-responses-v1", "index": 0, "summary": " to", "type": "reasoning.summary" }, { "format": "openai-responses-v1", "index": 0, "summary": " understand", "type": "reasoning.summary" }, { "format": "openai-responses-v1", "index": 0, "summary": " their", "type": "reasoning.summary" }, { "format": "openai-responses-v1", "index": 0, "summary": " actual", "type": "reasoning.summary" }, { "format": 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"format": "openai-responses-v1", "id": "rs_0660b6b2d24a4935016a7e659fda6c819096f50e4dace8cbb4", "index": 1, "type": "reasoning.encrypted" } ] }, { "type": "tool_use", "id": "call_MV9wuYYwG85Rden0YbptqofO", "name": "Read", "input": { "file_path": "/etc/systemd/system/failover-seed.service", "limit": 120, "offset": 1 } }, { "type": "tool_use", "id": "call_LKUugpuMSbXMmAWS00oRlaHg", "name": "Read", "input": { "file_path": "/etc/systemd/system/failover-replica.service", "limit": 120, "offset": 1 } }, { "type": "tool_use", "id": "call_NiSdO44Qes8fuWMhswer1lCk", "name": "Read", "input": { "file_path": "/etc/systemd/system/failover-proxy.service", "limit": 120, "offset": 1 } }, { "type": "tool_use", "id": "call_3ZvRchxaEONKuruVsjA6HlV8", "name": "Bash", "input": { "command": "sed -n '1,260p' /nix/store/3lf8if1z3ahcv9mdxqmwncn87hnwdymi-failover-replica.py; printf '\\n--- proxy ---\\n'; sed -n '1,260p' /nix/store/gy7xaavwyh9mbwz4ll8h6z3ban0s6g93-failover-proxy.py; printf '\\n--- seed script ---\\n'; sed -n '1,260p' /nix/store/vnsdj3nml00cykxy4dmpcsgbwp76jspz-unit-script-failover-seed-start/bin/failover-seed-start", "description": "Read failover implementation and seed behavior", "timeout": 120000 } }, { "type": "tool_use", "id": "call_ml9eq0PDyOBlXQnGUlLxY3qg", "name": "Bash", "input": { "command": "systemctl cat failover-seed.service failover-replica.service failover-proxy.service; printf '\\n--- status ---\\n'; systemctl status failover-seed.service failover-replica.service failover-proxy.service --no-pager -l; printf '\\n--- boot deps ---\\n'; systemctl show failover-seed.service failover-replica.service failover-proxy.service -p Id -p FragmentPath -p UnitFileState -p WantedBy -p Before -p After -p Requires -p Restart -p RestartSec", "description": "Inspect complete systemd topology", "timeout": 120000 } } ] }, { "role": "user", "content": [ { "type": "tool_result", "tool_use_id": "call_MV9wuYYwG85Rden0YbptqofO", "content": "1\t[Unit]\n2\tBefore=failover-replica.service failover-proxy.service\n3\tDescription=Seed failed-primary topology and replicated state\n4\t\n5\t[Service]\n6\tEnvironment=\"LOCALE_ARCHIVE=/nix/store/c59mcax29xrwyfdqs308wkmn2srnmzkn-glibc-locales-2.42-67/lib/locale/locale-archive\"\n7\tEnvironment=\"PATH=/nix/store/97d5ygrvqj55f4nx1x34wfdcc7qn11c0-coreutils-9.11/bin:/nix/store/ibg16grw5is7i7ilnflc5xmj6fwksqkl-findutils-4.11.0/bin:/nix/store/4dgym2zhac9vy0vrih4gsplh0wpfl13m-gnugrep-3.12/bin:/nix/store/rxd8p6g4k4s0sx4q1szmzvp9rsmhmfys-gnused-4.10/bin:/nix/store/mc901k2s1n3v1disrj0356l7lwz7l6vg-systemd-261.1/bin:/nix/store/97d5ygrvqj55f4nx1x34wfdcc7qn11c0-coreutils-9.11/sbin:/nix/store/ibg16grw5is7i7ilnflc5xmj6fwksqkl-findutils-4.11.0/sbin:/nix/store/4dgym2zhac9vy0vrih4gsplh0wpfl13m-gnugrep-3.12/sbin:/nix/store/rxd8p6g4k4s0sx4q1szmzvp9rsmhmfys-gnused-4.10/sbin:/nix/store/mc901k2s1n3v1disrj0356l7lwz7l6vg-systemd-261.1/sbin\"\n8\tEnvironment=\"TZDIR=/nix/store/vlgjd2179ahfh509p1aid8fl22bw8ri3-tzdata-2026c/share/zoneinfo\"\n9\tExecStart=/nix/store/vnsdj3nml00cykxy4dmpcsgbwp76jspz-unit-script-failover-seed-start/bin/failover-seed-start \n10\tRemainAfterExit=true\n11\tType=oneshot\n12\t\n13\t[Install]\n14\tWantedBy=multi-user.target\n" }, { "type": "tool_result", "tool_use_id": "call_LKUugpuMSbXMmAWS00oRlaHg", "content": "1\t[Unit]\n2\tAfter=failover-seed.service\n3\tDescription=Healthy read-only failover replica\n4\tRequires=failover-seed.service\n5\t\n6\t[Service]\n7\tEnvironment=\"LOCALE_ARCHIVE=/nix/store/c59mcax29xrwyfdqs308wkmn2srnmzkn-glibc-locales-2.42-67/lib/locale/locale-archive\"\n8\tEnvironment=\"PATH=/nix/store/97d5ygrvqj55f4nx1x34wfdcc7qn11c0-coreutils-9.11/bin:/nix/store/ibg16grw5is7i7ilnflc5xmj6fwksqkl-findutils-4.11.0/bin:/nix/store/4dgym2zhac9vy0vrih4gsplh0wpfl13m-gnugrep-3.12/bin:/nix/store/rxd8p6g4k4s0sx4q1szmzvp9rsmhmfys-gnused-4.10/bin:/nix/store/mc901k2s1n3v1disrj0356l7lwz7l6vg-systemd-261.1/bin:/nix/store/97d5ygrvqj55f4nx1x34wfdcc7qn11c0-coreutils-9.11/sbin:/nix/store/ibg16grw5is7i7ilnflc5xmj6fwksqkl-findutils-4.11.0/sbin:/nix/store/4dgym2zhac9vy0vrih4gsplh0wpfl13m-gnugrep-3.12/sbin:/nix/store/rxd8p6g4k4s0sx4q1szmzvp9rsmhmfys-gnused-4.10/sbin:/nix/store/mc901k2s1n3v1disrj0356l7lwz7l6vg-systemd-261.1/sbin\"\n9\tEnvironment=\"TZDIR=/nix/store/vlgjd2179ahfh509p1aid8fl22bw8ri3-tzdata-2026c/share/zoneinfo\"\n10\tExecStart=/nix/store/3n4qphl9s728sz8frmpqqrv9b1m87g68-python3-3.14.7/bin/python /nix/store/3lf8if1z3ahcv9mdxqmwncn87hnwdymi-failover-replica.py\n11\tRestart=always\n12\tRestartSec=1\n13\t\n14\t[Install]\n15\tWantedBy=multi-user.target\n" }, { "type": "tool_result", "tool_use_id": "call_NiSdO44Qes8fuWMhswer1lCk", "content": "1\t[Unit]\n2\tAfter=failover-seed.service\n3\tDescription=Public proxy stranded on failed primary\n4\tRequires=failover-seed.service\n5\t\n6\t[Service]\n7\tEnvironment=\"LOCALE_ARCHIVE=/nix/store/c59mcax29xrwyfdqs308wkmn2srnmzkn-glibc-locales-2.42-67/lib/locale/locale-archive\"\n8\tEnvironment=\"PATH=/nix/store/97d5ygrvqj55f4nx1x34wfdcc7qn11c0-coreutils-9.11/bin:/nix/store/ibg16grw5is7i7ilnflc5xmj6fwksqkl-findutils-4.11.0/bin:/nix/store/4dgym2zhac9vy0vrih4gsplh0wpfl13m-gnugrep-3.12/bin:/nix/store/rxd8p6g4k4s0sx4q1szmzvp9rsmhmfys-gnused-4.10/bin:/nix/store/mc901k2s1n3v1disrj0356l7lwz7l6vg-systemd-261.1/bin:/nix/store/97d5ygrvqj55f4nx1x34wfdcc7qn11c0-coreutils-9.11/sbin:/nix/store/ibg16grw5is7i7ilnflc5xmj6fwksqkl-findutils-4.11.0/sbin:/nix/store/4dgym2zhac9vy0vrih4gsplh0wpfl13m-gnugrep-3.12/sbin:/nix/store/rxd8p6g4k4s0sx4q1szmzvp9rsmhmfys-gnused-4.10/sbin:/nix/store/mc901k2s1n3v1disrj0356l7lwz7l6vg-systemd-261.1/sbin\"\n9\tEnvironment=\"TZDIR=/nix/store/vlgjd2179ahfh509p1aid8fl22bw8ri3-tzdata-2026c/share/zoneinfo\"\n10\tExecStart=/nix/store/3n4qphl9s728sz8frmpqqrv9b1m87g68-python3-3.14.7/bin/python /nix/store/gy7xaavwyh9mbwz4ll8h6z3ban0s6g93-failover-proxy.py\n11\tRestart=always\n12\tRestartSec=1\n13\t\n14\t[Install]\n15\tWantedBy=multi-user.target\n" }, { "type": "tool_result", "tool_use_id": "call_3ZvRchxaEONKuruVsjA6HlV8", "content": "import sqlite3\nfrom http.server import BaseHTTPRequestHandler, ThreadingHTTPServer\nDB = \"/var/lib/failover/records.sqlite3\"\nROLE = \"/var/lib/failover/replica.role\"\ndef role():\n with open(ROLE) as source: return source.read().strip()\ndef database():\n connection = sqlite3.connect(DB, timeout=10)\n connection.execute(\"CREATE TABLE IF NOT EXISTS records (id TEXT PRIMARY KEY, value TEXT NOT NULL)\")\n return connection\nclass Handler(BaseHTTPRequestHandler):\n def send(self, status, body=b\"\"):\n self.send_response(status); self.send_header(\"Content-Length\", str(len(body))); self.end_headers(); self.wfile.write(body)\n def do_GET(self):\n if self.path == \"/health\": self.send(200, b\"ready\"); return\n if self.path == \"/role\": self.send(200, role().encode()); return\n if self.path.startswith(\"/records/\"):\n connection = database(); row = connection.execute(\"SELECT value FROM records WHERE id=?\", (self.path[9:],)).fetchone(); connection.close()\n self.send(404 if row is None else 200, b\"\" if row is None else row[0].encode()); return\n self.send(404)\n def do_PUT(self):\n if not self.path.startswith(\"/records/\"): self.send(404); return\n if role() != \"primary\": self.send(503, b\"read-only\"); return\n value = self.rfile.read(int(self.headers.get(\"Content-Length\", \"0\"))).decode(); connection = database()\n connection.execute(\"INSERT INTO records(id,value) VALUES(?,?) ON CONFLICT(id) DO UPDATE SET value=excluded.value\", (self.path[9:], value))\n connection.commit(); connection.close(); self.send(204)\n def log_message(self, *_): pass\nThreadingHTTPServer((\"127.0.0.1\", 8082), Handler).serve_forever()\n\n--- proxy ---\nimport http.client\nfrom http.server import BaseHTTPRequestHandler, ThreadingHTTPServer\nUPSTREAM = \"/var/lib/failover/upstream\"\nclass Handler(BaseHTTPRequestHandler):\n def forward(self):\n try:\n with open(UPSTREAM) as source: port = int(source.read().strip())\n body = self.rfile.read(int(self.headers.get(\"Content-Length\", \"0\")))\n connection = http.client.HTTPConnection(\"127.0.0.1\", port, timeout=2)\n connection.request(self.command, self.path, body=body)\n response = connection.getresponse(); data = response.read()\n self.send_response(response.status); self.send_header(\"Content-Length\", str(len(data))); self.end_headers(); self.wfile.write(data)\n connection.close()\n except Exception:\n self.send_response(502); self.send_header(\"Content-Length\", \"0\"); self.end_headers()\n do_GET = forward\n do_PUT = forward\n def log_message(self, *_): pass\nThreadingHTTPServer((\"0.0.0.0\", 8080), Handler).serve_forever()\n\n--- seed script ---\n#!/nix/store/byi2zpy2bgcf3dr6y0l8m50rmjj8z7q1-bash-5.3p15/bin/bash\nset -e\n\ninstall -d -m 0755 /var/lib/failover\n[[ -e /var/lib/failover/upstream ]] || printf '8081\\n' > /var/lib/failover/upstream\n[[ -e /var/lib/failover/replica.role ]] || printf 'replica\\n' > /var/lib/failover/replica.role\ntouch /var/lib/failover/primary.failed\n/nix/store/3n4qphl9s728sz8frmpqqrv9b1m87g68-python3-3.14.7/bin/python - <<'PY'\nimport sqlite3\ndb=sqlite3.connect('/var/lib/failover/records.sqlite3')\ndb.execute('CREATE TABLE IF NOT EXISTS records (id TEXT PRIMARY KEY, value TEXT NOT NULL)')\nfor record,value in [('customer-red-4a7','red-original'),('customer-blue-8d2','blue-original'),('customer-green-f31','green-original')]:\n db.execute('INSERT OR IGNORE INTO records(id,value) VALUES(?,?)',(record,value))\ndb.commit()\nPY\n\n\n" }, { "type": "tool_result", "tool_use_id": "call_ml9eq0PDyOBlXQnGUlLxY3qg", "content": "# /etc/systemd/system/failover-seed.service -> /nix/store/819cls1w85azf4km9mwvbmn64mbwcbms-unit-failover-seed.service/failover-seed.service\n[Unit]\nBefore=failover-replica.service failover-proxy.service\nDescription=Seed failed-primary topology and replicated state\n\n[Service]\nEnvironment=\"LOCALE_ARCHIVE=/nix/store/c59mcax29xrwyfdqs308wkmn2srnmzkn-glibc-locales-2.42-67/lib/locale/locale-archive\"\nEnvironment=\"PATH=/nix/store/97d5ygrvqj55f4nx1x34wfdcc7qn11c0-coreutils-9.11/bin:/nix/store/ibg16grw5is7i7ilnflc5xmj6fwksqkl-findutils-4.11.0/bin:/nix/store/4dgym2zhac9vy0vrih4gsplh0wpfl13m-gnugrep-3.12/bin:/nix/store/rxd8p6g4k4s0sx4q1szmzvp9rsmhmfys-gnused-4.10/bin:/nix/store/mc901k2s1n3v1disrj0356l7lwz7l6vg-systemd-261.1/bin:/nix/store/97d5ygrvqj55f4nx1x34wfdcc7qn11c0-coreutils-9.11/sbin:/nix/store/ibg16grw5is7i7ilnflc5xmj6fwksqkl-findutils-4.11.0/sbin:/nix/store/4dgym2zhac9vy0vrih4gsplh0wpfl13m-gnugrep-3.12/sbin:/nix/store/rxd8p6g4k4s0sx4q1szmzvp9rsmhmfys-gnused-4.10/sbin:/nix/store/mc901k2s1n3v1disrj0356l7lwz7l6vg-systemd-261.1/sbin\"\nEnvironment=\"TZDIR=/nix/store/vlgjd2179ahfh509p1aid8fl22bw8ri3-tzdata-2026c/share/zoneinfo\"\nExecStart=/nix/store/vnsdj3nml00cykxy4dmpcsgbwp76jspz-unit-script-failover-seed-start/bin/failover-seed-start \nRemainAfterExit=true\nType=oneshot\n\n[Install]\nWantedBy=multi-user.target\n\n# /etc/systemd/system/failover-replica.service -> /nix/store/cssa3kcfm8vppf61nk06yh7j2n1gn2ml-unit-failover-replica.service/failover-replica.service\n[Unit]\nAfter=failover-seed.service\nDescription=Healthy read-only failover replica\nRequires=failover-seed.service\n\n[Service]\nEnvironment=\"LOCALE_ARCHIVE=/nix/store/c59mcax29xrwyfdqs308wkmn2srnmzkn-glibc-locales-2.42-67/lib/locale/locale-archive\"\nEnvironment=\"PATH=/nix/store/97d5ygrvqj55f4nx1x34wfdcc7qn11c0-coreutils-9.11/bin:/nix/store/ibg16grw5is7i7ilnflc5xmj6fwksqkl-findutils-4.11.0/bin:/nix/store/4dgym2zhac9vy0vrih4gsplh0wpfl13m-gnugrep-3.12/bin:/nix/store/rxd8p6g4k4s0sx4q1szmzvp9rsmhmfys-gnused-4.10/bin:/nix/store/mc901k2s1n3v1disrj0356l7lwz7l6vg-systemd-261.1/bin:/nix/store/97d5ygrvqj55f4nx1x34wfdcc7qn11c0-coreutils-9.11/sbin:/nix/store/ibg16grw5is7i7ilnflc5xmj6fwksqkl-findutils-4.11.0/sbin:/nix/store/4dgym2zhac9vy0vrih4gsplh0wpfl13m-gnugrep-3.12/sbin:/nix/store/rxd8p6g4k4s0sx4q1szmzvp9rsmhmfys-gnused-4.10/sbin:/nix/store/mc901k2s1n3v1disrj0356l7lwz7l6vg-systemd-261.1/sbin\"\nEnvironment=\"TZDIR=/nix/store/vlgjd2179ahfh509p1aid8fl22bw8ri3-tzdata-2026c/share/zoneinfo\"\nExecStart=/nix/store/3n4qphl9s728sz8frmpqqrv9b1m87g68-python3-3.14.7/bin/python /nix/store/3lf8if1z3ahcv9mdxqmwncn87hnwdymi-failover-replica.py\nRestart=always\nRestartSec=1\n\n[Install]\nWantedBy=multi-user.target\n\n# /etc/systemd/system/failover-proxy.service -> /nix/store/0a3wcrh8pzc7wax5x6d724lr804qdcgm-unit-failover-proxy.service/failover-proxy.service\n[Unit]\nAfter=failover-seed.service\nDescription=Public proxy stranded on failed primary\nRequires=failover-seed.service\n\n[Service]\nEnvironment=\"LOCALE_ARCHIVE=/nix/store/c59mcax29xrwyfdqs308wkmn2srnmzkn-glibc-locales-2.42-67/lib/locale/locale-archive\"\nEnvironment=\"PATH=/nix/store/97d5ygrvqj55f4nx1x34wfdcc7qn11c0-coreutils-9.11/bin:/nix/store/ibg16grw5is7i7ilnflc5xmj6fwksqkl-findutils-4.11.0/bin:/nix/store/4dgym2zhac9vy0vrih4gsplh0wpfl13m-gnugrep-3.12/bin:/nix/store/rxd8p6g4k4s0sx4q1szmzvp9rsmhmfys-gnused-4.10/bin:/nix/store/mc901k2s1n3v1disrj0356l7lwz7l6vg-systemd-261.1/bin:/nix/store/97d5ygrvqj55f4nx1x34wfdcc7qn11c0-coreutils-9.11/sbin:/nix/store/ibg16grw5is7i7ilnflc5xmj6fwksqkl-findutils-4.11.0/sbin:/nix/store/4dgym2zhac9vy0vrih4gsplh0wpfl13m-gnugrep-3.12/sbin:/nix/store/rxd8p6g4k4s0sx4q1szmzvp9rsmhmfys-gnused-4.10/sbin:/nix/store/mc901k2s1n3v1disrj0356l7lwz7l6vg-systemd-261.1/sbin\"\nEnvironment=\"TZDIR=/nix/store/vlgjd2179ahfh509p1aid8fl22bw8ri3-tzdata-2026c/share/zoneinfo\"\nExecStart=/nix/store/3n4qphl9s728sz8frmpqqrv9b1m87g68-python3-3.14.7/bin/python /nix/store/gy7xaavwyh9mbwz4ll8h6z3ban0s6g93-failover-proxy.py\nRestart=always\nRestartSec=1\n\n[Install]\nWantedBy=multi-user.target\n\n--- status ---\n● failover-seed.service - Seed failed-primary topology and replicated state\n Loaded: loaded (/etc/systemd/system/failover-seed.service; enabled; preset: ignored)\n Active: active (exited) since Fri 2026-08-14 00:47:00 UTC; 29s ago\n Invocation: a31d0d1745eb4070806cfc7064a4bfac\n Process: 494 ExecStart=/nix/store/vnsdj3nml00cykxy4dmpcsgbwp76jspz-unit-script-failover-seed-start/bin/failover-seed-start (code=exited, status=0/SUCCESS)\n Main PID: 494 (code=exited, status=0/SUCCESS)\n IP: 0B in, 0B out\n IO: 0B read, 52K written\n Mem peak: 10.9M\n CPU: 90ms\n\nAug 14 00:46:59 failover-two systemd[1]: Starting Seed failed-primary topology and replicated state...\nAug 14 00:47:00 failover-two systemd[1]: Finished Seed failed-primary topology and replicated state.\n\n● failover-replica.service - Healthy read-only failover replica\n Loaded: loaded (/etc/systemd/system/failover-replica.service; enabled; preset: ignored)\n Active: active (running) since Fri 2026-08-14 00:47:00 UTC; 29s ago\n Invocation: 0fc07fc1317045538311ed1ac6afc141\n Main PID: 556 (python)\n IP: 0B in, 0B out\n IO: 0B read, 0B written\n Tasks: 1 (limit: 811)\n Memory: 13.3M (peak: 13.5M)\n CPU: 143ms\n CGroup: /system.slice/failover-replica.service\n └─556 /nix/store/3n4qphl9s728sz8frmpqqrv9b1m87g68-python3-3.14.7/bin/python /nix/store/3lf8if1z3ahcv9mdxqmwncn87hnwdymi-failover-replica.py\n\nAug 14 00:47:00 failover-two systemd[1]: Started Healthy read-only failover replica.\n\n● failover-proxy.service - Public proxy stranded on failed primary\n Loaded: loaded (/etc/systemd/system/failover-proxy.service; enabled; preset: ignored)\n Active: active (running) since Fri 2026-08-14 00:47:00 UTC; 29s ago\n Invocation: 1d18cec29a78426f992ae8e0bdb84821\n Main PID: 555 (python)\n IP: 8.2K in, 8.4K out\n IO: 0B read, 0B written\n Tasks: 1 (limit: 811)\n Memory: 14.5M (peak: 14.7M)\n CPU: 168ms\n CGroup: /system.slice/failover-proxy.service\n └─555 /nix/store/3n4qphl9s728sz8frmpqqrv9b1m87g68-python3-3.14.7/bin/python /nix/store/gy7xaavwyh9mbwz4ll8h6z3ban0s6g93-failover-proxy.py\n\nAug 14 00:47:00 failover-two systemd[1]: Started Public proxy stranded on failed primary.\n\n--- boot deps ---\nId=failover-seed.service\nRequires=system.slice sysinit.target\nWantedBy=multi-user.target\nBefore=failover-replica.service failover-proxy.service shutdown.target multi-user.target\nAfter=basic.target systemd-journald.socket sysinit.target system.slice\nFragmentPath=/etc/systemd/system/failover-seed.service\nUnitFileState=enabled\nRestart=no\n\nId=failover-replica.service\nRequires=sysinit.target system.slice failover-seed.service\nWantedBy=multi-user.target\nBefore=multi-user.target shutdown.target\nAfter=sysinit.target system.slice basic.target systemd-journald.socket failover-seed.service\nFragmentPath=/etc/systemd/system/failover-replica.service\nUnitFileState=enabled\nRestart=always\n\nId=failover-proxy.service\nRequires=system.slice failover-seed.service sysinit.target\nWantedBy=multi-user.target\nBefore=multi-user.target shutdown.target\nAfter=basic.target sysinit.target system.slice systemd-journald.socket failover-seed.service\nFragmentPath=/etc/systemd/system/failover-proxy.service\nUnitFileState=enabled\nRestart=always\n" } ] }, { "role": "assistant", "content": [ { "type": "reasoning", "text": "**Considering system setup**\n\nI’m looking at the contract, which specifies that the old system must remain failed and port 8081 shouldn't listen again. I wonder if we should create a systemd conflict or port guard, but it might not be necessary. It seems essential to kill any stale failed old primary. \n\nI’m thinking of using a promotion script to verify the primary status, handle port checks, and ensure everything runs smoothly without overwriting existing configurations. There’s a lot to coordinate here!**Examining unit dependencies**\n\nI'm considering if the promote unit is enabled but not strictly required, and whether the \"After\" directive enforces order when started in parallel. It seems that adding \"Requires=promote\" and \"After=promote\" drop-ins to both units might help clarify their dependencies. I want to ensure that everything works smoothly and maintains the necessary order without causing any unexpected behaviors. Gotta keep those units aligned properly!", "details": [ { "data": 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"format": "openai-responses-v1", "id": "rs_0660b6b2d24a4935016a7e65ae72988190860a800e7edd1784", "index": 3, "type": "reasoning.encrypted" } ] }, { "type": "tool_use", "id": "call_1iniQXNCSKv2dbSxophOLjNQ", "name": "Bash", "input": { "command": "for url in http://127.0.0.1:8080/health http://127.0.0.1:8080/role http://127.0.0.1:8080/records/customer-red-4a7 http://127.0.0.1:8082/health http://127.0.0.1:8082/role; do printf '%s: ' \"$url\"; curl --max-time 2 -sS -w ' [%{http_code}]\\n' \"$url\" || true; done; printf '8081: '; curl --max-time 1 -sS -w '[%{http_code}]\\n' http://127.0.0.1:8081/health || true", "description": "Check current public and replica behavior", "timeout": 120000 } }, { "type": "tool_use", "id": "call_lsIhybycaBfOhXhP7swQGFof", "name": "Bash", "input": { "command": "stat -c '%n mode=%a uid=%u gid=%g size=%s inode=%i' /var/lib/failover/*; ls -la /etc/systemd/system/failover-*", "description": "Inspect state ownership and unit links", "timeout": 120000 } } ] }, { "role": "user", "content": [ { "type": "tool_result", "tool_use_id": "call_1iniQXNCSKv2dbSxophOLjNQ", "content": "http://127.0.0.1:8080/health: [502]\nhttp://127.0.0.1:8080/role: [502]\nhttp://127.0.0.1:8080/records/customer-red-4a7: [502]\nhttp://127.0.0.1:8082/health: ready [200]\nhttp://127.0.0.1:8082/role: replica [200]\n8081: [000]\n\ncurl: (7) Failed to connect to 127.0.0.1:8081 after 0 ms: Could not connect to server\n" }, { "type": "tool_result", "tool_use_id": "call_lsIhybycaBfOhXhP7swQGFof", "content": "/var/lib/failover/primary.failed mode=644 uid=0 gid=0 size=0 inode=245\n/var/lib/failover/records.sqlite3 mode=644 uid=0 gid=0 size=12288 inode=257\n/var/lib/failover/replica.role mode=644 uid=0 gid=0 size=8 inode=244\n/var/lib/failover/upstream mode=644 uid=0 gid=0 size=5 inode=243\nlrwxrwxrwx 1 root root 94 Jan 1 1970 /etc/systemd/system/failover-proxy.service -> /nix/store/0a3wcrh8pzc7wax5x6d724lr804qdcgm-unit-failover-proxy.service/failover-proxy.service\nlrwxrwxrwx 1 root root 98 Jan 1 1970 /etc/systemd/system/failover-replica.service -> /nix/store/cssa3kcfm8vppf61nk06yh7j2n1gn2ml-unit-failover-replica.service/failover-replica.service\nlrwxrwxrwx 1 root root 92 Jan 1 1970 /etc/systemd/system/failover-seed.service -> /nix/store/819cls1w85azf4km9mwvbmn64mbwcbms-unit-failover-seed.service/failover-seed.service\n" } ] }, { "role": "assistant", "content": [ { "type": "reasoning", "text": "**Creating a mark inspection script**\n\nI need to get a mark inspection done while the design is still in progress. I’ll create files, and I want to use the exact shell paths for this. Using Python seems like a better choice than Bash. I’ll check the paths to Python versions available and ensure to write my script using the right syntax and logic to manage file installations. The logic should handle potential errors like checking if specific files are present or if connection attempts fail gracefully.**Ensuring connection and file integrity**\n\nI’m considering what to do if the listener doesn’t accept the connection. If it succeeds, great! For the fence marker, if it's absent, I should create it atomically, but if it exists, I’ll leave it alone. I’ll need to be cautious with symlinks, using `lstat` to avoid unsafe conditions. I plan to check if `primary.fenced` contains old data before proceeding. It's crucial to follow the correct order: first handle the upstream, then the role, and ensure the replica is safe.**Restricting access to the primary role**\n\nI’m thinking about how to prevent public reads from reaching an old primary once I switch the role to primary. It seems crucial to ensure that the primary role is only accessible internally. This way, I can avoid any potential mix-ups with outdated data being exposed. Keeping that internal focus while transitioning roles should help maintain the integrity of the information. Let’s make sure to streamline this process effectively to prevent any issues.", "details": [ { "format": "openai-responses-v1", "index": 0, "summary": "**Creating a mark inspection script**\n\nI", "type": "reasoning.summary" }, { "format": "openai-responses-v1", "index": 0, "summary": " need", "type": "reasoning.summary" }, { "format": "openai-responses-v1", "index": 0, "summary": " to", "type": "reasoning.summary" }, { "format": "openai-responses-v1", "index": 0, "summary": " get", "type": "reasoning.summary" }, { "format": "openai-responses-v1", "index": 0, "summary": " a", "type": "reasoning.summary" }, { "format": "openai-responses-v1", "index": 0, "summary": " mark", "type": "reasoning.summary" }, { "format": "openai-responses-v1", "index": 0, "summary": " inspection", "type": "reasoning.summary" }, { "format": "openai-responses-v1", "index": 0, "summary": " done", "type": "reasoning.summary" }, { "format": "openai-responses-v1", "index": 0, "summary": " while", "type": 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"format": "openai-responses-v1", "id": "rs_0660b6b2d24a4935016a7e65b8b238819088c3aef5829b0261", "index": 2, "type": "reasoning.encrypted" } ] }, { "type": "tool_use", "id": "call_WZ8YpDScVSAmb01CP3SXbFoW", "name": "TodoWrite", "input": { "todos": [ { "activeForm": "Inspecting the failover services and persisted state", "content": "Inspect the failover services and persisted state", "status": "completed" }, { "activeForm": "Designing a durable fenced promotion", "content": "Design a durable fenced promotion", "status": "in_progress" }, { "activeForm": "Applying promotion and proxy configuration", "content": "Apply promotion and proxy configuration", "status": "pending" }, { "activeForm": "Verifying API, persistence, and restart behavior", "content": "Verify API, persistence, and restart behavior", "status": "pending" }, { "activeForm": "Leaving the recovered service running", "content": "Leave the recovered service running", "status": "pending" } ] } } ] }, { "role": "user", "content": [ { "type": "tool_result", "tool_use_id": "call_WZ8YpDScVSAmb01CP3SXbFoW", "content": "Started:\n > Designing a durable fenced promotion\nCompleted:\n ✓ Inspect the failover services and persisted state\n\nCurrent tasks:\n ✓ Inspect the failover services and persisted state\n ◉ Design a durable fenced promotion\n ○ Apply promotion and proxy configuration\n ○ Verify API, persistence, and restart behavior\n ○ Leave the recovered service running\n" } ] }, { "role": "assistant", "content": [ { "type": "tool_use", "id": "call_JMJfygirZlohVydSo25PeD5h", "name": "Write", "input": { "content": "#!/nix/store/3n4qphl9s728sz8frmpqqrv9b1m87g68-python3-3.14.7/bin/python\nimport os\nimport socket\nimport tempfile\n\nSTATE = \"/var/lib/failover\"\nFAILED = os.path.join(STATE, \"primary.failed\")\nFENCED = os.path.join(STATE, \"primary.fenced\")\nROLE = os.path.join(STATE, \"replica.role\")\nUPSTREAM = os.path.join(STATE, \"upstream\")\n\n\ndef sync_directory():\n fd = os.open(STATE, os.O_RDONLY | getattr(os, \"O_DIRECTORY\", 0))\n try:\n os.fsync(fd)\n finally:\n os.close(fd)\n\n\ndef atomic_write(path, data):\n fd, temporary = tempfile.mkstemp(prefix=\".\" + os.path.basename(path) + \".\", dir=STATE)\n try:\n os.fchmod(fd, 0o644)\n with os.fdopen(fd, \"wb\") as target:\n target.write(data)\n target.flush()\n os.fsync(target.fileno())\n os.replace(temporary, path)\n sync_directory()\n except BaseException:\n try:\n os.unlink(temporary)\n except FileNotFoundError:\n pass\n raise\n\n\nif not os.path.isfile(FAILED):\n raise SystemExit(\"failed-primary marker is missing\")\n\nprobe = socket.socket(socket.AF_INET, socket.SOCK_STREAM)\ntry:\n probe.settimeout(0.25)\n if probe.connect_ex((\"127.0.0.1\", 8081)) == 0:\n raise SystemExit(\"old primary is still reachable; refusing promotion\")\nfinally:\n probe.close()\n\nif not os.path.isfile(FENCED):\n atomic_write(FENCED, b\"fenced\\n\")\n\n# Point the proxy at the fenced replica while it is still read-only. Only\n# after this durable switch is the replica allowed to accept writes.\nif open(UPSTREAM, \"rb\").read().strip() != b\"8082\":\n atomic_write(UPSTREAM, b\"8082\\n\")\nif open(ROLE, \"rb\").read().strip() != b\"primary\":\n atomic_write(ROLE, b\"primary\\n\")\n\nsync_directory()\n", "file_path": "/usr/local/sbin/failover-promote" } }, { "type": "tool_use", "id": "call_9bUXd2wsUh5HHPiazLTPzZIZ", "name": "Write", "input": { "content": "[Unit]\nDescription=Durably fence failed primary and promote replica\nRequires=failover-seed.service\nAfter=failover-seed.service\nBefore=failover-replica.service failover-proxy.service\n\n[Service]\nType=oneshot\nExecStart=/usr/local/sbin/failover-promote\nRemainAfterExit=yes\n\n[Install]\nWantedBy=multi-user.target\n", "file_path": "/etc/systemd/system/failover-promote.service" } }, { "type": "tool_use", "id": "call_f0GG9a7ZtiTtjaXfYi6rdPn6", "name": "Write", "input": { "content": "[Unit]\nRequires=failover-promote.service\nAfter=failover-promote.service\n", "file_path": "/etc/systemd/system/failover-replica.service.d/promotion.conf" } }, { "type": "tool_use", "id": "call_0eRLLtdxGMIIYHQcot4sn5w4", "name": "Write", "input": { "content": "[Unit]\nRequires=failover-promote.service\nAfter=failover-promote.service\n", "file_path": "/etc/systemd/system/failover-proxy.service.d/promotion.conf" } } ] }, { "role": "user", "content": [ { "type": "tool_result", "tool_use_id": "call_JMJfygirZlohVydSo25PeD5h", "content": "Successfully wrote to /usr/local/sbin/failover-promote" }, { "type": "tool_result", "tool_use_id": "call_9bUXd2wsUh5HHPiazLTPzZIZ", "content": "Tool Write failed: Read-only file system (os error 30)", "is_error": true }, { "type": "tool_result", "tool_use_id": "call_f0GG9a7ZtiTtjaXfYi6rdPn6", "content": "Tool Write failed: Read-only file system (os error 30)", "is_error": true }, { "type": "tool_result", "tool_use_id": "call_0eRLLtdxGMIIYHQcot4sn5w4", "content": "Tool Write failed: Read-only file system (os error 30)", "is_error": true } ] }, { "role": "assistant", "content": [ { "type": "reasoning", "details": [ { "data": "gAAAAABqfmXG6r9dm1uM6LuWdsAlG7VLQ7eIaoW2EM61y_g3uSuvERRXVIf8q06fCO_yyIldsFNI_-aL_ItSfsc9UHZ6vJPsNTtfg_L0XhxHY55TC-BysUwcXybon-1GuPb0N2zL-kyZ7zZLSZvyrtH6a2O25-OGadMv655rV_rU4SUHDfWHm80Pw4qsRc-L8dGDx3EZS9IpmSmuVc5Xy1kdy3x9-XdweFoeCdeR9OMKBpsuYlPBV94mJZBs_NA05E4BQkOC8qtJwe-K5-tQk6vmokbb-WGgxPS1UZpPykHp3WrIn6RiOHB6rWmLxhbwpZC7ke0kbl6jT6gomSPzJOM5rxNy57eEtLd2lFVTRuqIDTSfsqvdWBI3L0Jq_K8R2sJMZvuxpDhVjxw3S3SxvDQ4Vbb2-VmzGJBzv2idYPbn_Br3b7lPAHQdU568yGgpvj90ivyCm0qaobmT7nXgQp8FLQZ65oX6mHZem7NwdrI-YD739LD__DCjWEehItI25MVZ-fCl-JeIUgfmDcqS-fdrqlbrVpO5mkSuq6Y2xJ7kbPEF8gMTvft3shgEjfC6ipMxnXy1XgTqKKbK5WuCIzT1_VukE6ntkJ6VzydLIq4xJfI9MWyXRIdWsUSpC17-ZtSkiE7zQyeMvtNbUJK6H9zDhBO7A1cMbZoWdiihB6rrSzBl3tY4QLKgghZm-TSxGub99dTBkU67zn2ixfZJZ7Y9reI0v3lAZQPixNU0DVjI9yHhCEVJBbyPu85aQo_erlWEhshppjc-fx1bS7RaZLCqDBAoOpDZyvxZgxtkM8C2touU2NNwOOUbwSY2S84ysWcDFTG2nv-Z90wILNv-Rfw6AdcSasMNu8M5XN69tz2gRfzColL3rEeiwzeojAxx9_hepiA97Xm5ZPF90peYnmLkoM5stbl_J2JHW8LQSoqfddO697DXVY-U98h4iR9l-oweQEekivBdo4O85B4a9FefuegnfiimN7egzyZ-_0ls09KcML5COt9lif8JtfE-F0OxTK98USXx_p5rVJZnnA4khqee3BgZLjw4dZFjap9ZRziHNqvnm1oGaRd_m8kGLYll_x1NzAhtfLL5Oe-Juum9l_XrpEq6Tr8MqQnFGi4wckofB03bHxVX7g5pNPT6pGZD7QE5ZzkK_8QrFIr-IhfJFAeo7WOj5JvyysSap3HCOXFLro0gI3NUt6v4Sr3txwaFN9aAc_lWGKrEQzh_aRY64ZTJ6sdkFFg_h7fgasUccoOOq8Wq-9Y1paL78Qc4sOhxHP56wjwsibGUkZKBI4h-siPjkY21eSyreK2ozFi89HPVF0tq_2syXlN8EyZma85q9hdD7ACdmyQYYYOwfzha5wXmWi5v3u87c6atappWIQOYY6daO-ZMsJSBq-HXgJVuYPItkYdYC6da7Z5TlZbJcibqQpA1_etu1tlrm-F6ZWp7_aAEsQbYIswtDkcZ1yh5ue7hIoxrEi3yX2ZymFXUs5qo7caOqZqgwY-tiQNzfov1eoV9Vh3qZj66zmp5yZJwXptQAhtm2RpvwM7Hja0Vhms2X5hYPJeqwc-iMPjaDVkAQrD5yfPIoWpQbRPcPQkOClWgwtORRpFlIlAZF-o69kkcHGTyITL5B7rmNV934_HIPzx0osGW-5PcCO90zwltrie4s84Xrpvt0l7X8FOfeLluBtAbeAcE_w6BQSr94APGt3atFRS1DRN7_i-Bv0PVI-pxQHE-JfI_u_MLTwtM7LAMKuKhhJRs-DJqhyN3w2AS3u6hRi0cheVd3HMknTSlrs4Vm9Xkdc_pPpfoJA2XUJ5JLz-s5imSWBOBXclZRadbQxCzzXsHh2yWAEgq4fu8fH3woe6H9u-l663_8aPcd4HGEgK0-oZpfV0E5cJwZRQpYDJR1faYiu4Ya8onDtQ0uwC6jg3nzxg5CvFJO7T--3m4PwK40tP2BcnzUL4ATJAznWyBypWd8JW1YCIUqIyVhWvXhB6hDlDQ3uoVt-H8JOXhjG1pc4wfYA_3HtZOi9_Z1KRAeh9BWMyLr7ftnTVpueq7uL4nDNHJRTZn47uNXnLepMj898RIlMB3q-_aoataFatUZ84B1nqUCnYCCGqtOxui1Reku4tVzLyPmS9uuawXk9ByPiIkazlunNrxkefJiSPYeAFeizKZbTwuSko-0nMRxovoR__dBwBLLjWckpXoc6XUzDu3v8B60Aprel0xeWyObDaTbUBeQAa1SfqKyx--GGgI44CCr_X8h2C3Q1zx7LowrSAcy0duvBDF8dixgHVkUMiKkNXFhfboaHW5SbRnlaMzGcfL3Cdh8U5Ux5Zo9kTB_8NuLIO-GneDdcK8lFAX1mS0mGhSKekCD5T5oKNVDqqZydeLOPPTennjJys-yM_0fuFYgmmKGvRrU5N9XbR7SmnVCoKL0sgkOG7l6XoIpxrJrjQUPGZ9yxkKB_kV_ILB5s8X6Th7bud8tho2gGVdFjuyR_0KX1UcmuiARXIRUEr5QmyDeNJkYdpsmeKa6O5RpAglDCFwA09r8WP21X4BEaNysX2_KFXcE8XCa-1WU_wtxl_ndQzEA3BTmKe5GgwsUT1TWKvL9ENpB6tcJ_Ru9MFhH9y8_QlI8t-aoU6ReCxQY29_H0EkTnELD1XMdNzQBMNrP8mWX6ZqdUB5Mmh4TwmGffg2n21xKSFyjl7h4MPlcwUjeLhrPSovV-aYmcVVorhgmXx3kaERMXlajt8S5uqmFNgyLX8YXJHLLni1Mw2YTnZZVa7kHQJ-og8_Qi6eqLqbhZinAuB_3gW69KxqxQbJ0cblM0aFwCMyYfwnTG6QYaliQO_wMRBkDCh9e-vemFoLtS4xBeKs9wxY3v8PqCNWSBY9dTJLznvsAbK-NTtdL_KkMfYQdCQ0iOc68j1Wk6qYDCx7GSfE9yJkfEBeeIh4XP6XJ2tZ-4iDoGUXfe59LNZEDjAxQQW_ORe79arYGCbZ4tVmIDRQXMQohupG-NlCV4v8eCuliMvzm3AY-X0W9T37ck7jWDnazGmc44oQMuGKbmlSx9dXLA2w9glwUvi3kK7sP9YV0kwZcT7eOMql-pdvw5MsnB621wWgvULJq12T4S5E9nU8CExLsr0xmZkuLxglAIbIaV5sSiQ7l8QEjlKKuCiLumYmF3DmLuJjninUIlXX5i9MrGzQxafNxQr77Dtxk3GyZfw2os_KK7HMYcDoxlI_8ri_7gpPLHMI3Tz718c2rSuvxar18-mn4fbqPDk3AFMPanMKfRSFh8d9PHVBaTx-K8cRiJRx7UeEL-Ad_MxwUl3y1gicwzGnwuUULU3g3_mDYI4ZgjlA_BkHgzMLcFTnkRlSq-ROswaz2w==.eyJlbmRwb2ludF9zbHVnIjoib3BlbmFpL2dwdC01LjYtbHVuYS0yMDI2MDcwOXxvcGVuYWkifQ", "format": "openai-responses-v1", "id": "rs_0660b6b2d24a4935016a7e65c244f48190910427ab9c45b454", "index": 0, "type": "reasoning.encrypted" } ] }, { "type": "tool_use", "id": "call_U4vo50aPNJIgJ0adC8MhI7PD", "name": "Bash", "input": { "command": "ls -ld /usr/local /usr/local/sbin; stat -c '%n mode=%a size=%s' /usr/local/sbin/failover-promote; chmod 0755 /usr/local/sbin/failover-promote; /usr/local/sbin/failover-promote; printf 'promotion exit=%s\\n' \"$?\"", "description": "Run the durable fencing and promotion sequence", "timeout": 120000 } }, { "type": "tool_use", "id": "call_g10Qq8VxMhYYF1O9x06LEkFf", "name": "Bash", "input": { "command": "find /etc/systemd/system -maxdepth 2 -type d -name 'failover-*' -o -name 'failover-promote.service' 2>/dev/null; mount | head -30", "description": "Confirm writable system locations and existing overrides", "timeout": 120000 } } ] }, { "role": "user", "content": [ { "type": "tool_result", "tool_use_id": "call_U4vo50aPNJIgJ0adC8MhI7PD", "content": "drwxr-xr-x 3 root root 4096 Aug 14 00:48 /usr/local\ndrwxr-xr-x 2 root root 4096 Aug 14 00:48 /usr/local/sbin\n/usr/local/sbin/failover-promote mode=644 size=1724\npromotion exit=0\n" }, { "type": "tool_result", "tool_use_id": "call_g10Qq8VxMhYYF1O9x06LEkFf", "content": "/dev/vda on / type ext4 (rw,relatime,x-initrd.mount)\ntmpfs on /nix/.rw-store type tmpfs (rw,relatime,mode=755,x-initrd.mount)\nnix-store on /nix/.ro-store type 9p (rw,relatime,cache=0xf,access=client,msize=16384,trans=virtio,x-initrd.mount,x-systemd.requires=modprobe@9pnet_virtio.service)\ntmpfs on /run type tmpfs (rw,nosuid,nodev,size=182284k,nr_inodes=819200,mode=755)\nshared on /tmp/shared type 9p (rw,relatime,access=client,msize=16384,trans=virtio,x-initrd.mount,x-systemd.requires=modprobe@9pnet_virtio.service)\nxchg on /tmp/xchg type 9p (rw,relatime,access=client,msize=16384,trans=virtio,x-initrd.mount,x-systemd.requires=modprobe@9pnet_virtio.service)\noverlay on /nix/store type overlay (rw,relatime,lowerdir=/sysroot/nix/.ro-store,upperdir=/sysroot/nix/.rw-store/upper,workdir=/sysroot/nix/.rw-store/work,uuid=on,x-initrd.mount,x-systemd.requires-mounts-for=/sysroot/nix/.ro-store,x-systemd.requires-mounts-for=/sysroot/nix/.rw-store/upper,x-systemd.requires-mounts-for=/sysroot/nix/.rw-store/work)\ndevtmpfs on /dev type devtmpfs (rw,nosuid,size=36460k,nr_inodes=86535,mode=755)\ndevpts on /dev/pts type devpts (rw,nosuid,noexec,relatime,gid=3,mode=620,ptmxmode=666)\ntmpfs on /dev/shm type tmpfs (rw,nosuid,nodev,size=364568k)\nproc on /proc type proc (rw,nosuid,nodev,noexec,relatime)\nramfs on /run/keys type ramfs (rw,nosuid,nodev,relatime,mode=750)\nsysfs on /sys type sysfs (rw,nosuid,nodev,noexec,relatime)\noverlay on /nix/store type overlay (ro,nosuid,nodev,relatime,lowerdir=/sysroot/nix/.ro-store,upperdir=/sysroot/nix/.rw-store/upper,workdir=/sysroot/nix/.rw-store/work,uuid=on)\nsecurityfs on /sys/kernel/security type securityfs (rw,nosuid,nodev,noexec,relatime)\ncgroup2 on /sys/fs/cgroup type cgroup2 (rw,nosuid,nodev,noexec,relatime,nsdelegate,memory_recursiveprot,memory_hugetlb_accounting)\nnone on /sys/fs/pstore type pstore (rw,nosuid,nodev,noexec,relatime)\nbpf on /sys/fs/bpf type bpf (rw,nosuid,nodev,noexec,relatime,mode=700)\nhugetlbfs on /dev/hugepages type hugetlbfs (rw,nosuid,nodev,relatime,pagesize=2M)\nmqueue on /dev/mqueue type mqueue (rw,nosuid,nodev,noexec,relatime)\ntracefs on /sys/kernel/tracing type tracefs (rw,nosuid,nodev,noexec,relatime)\ndebugfs on /sys/kernel/debug type debugfs (rw,nosuid,nodev,noexec,relatime)\nnone on /run/credentials/systemd-journald.service type tmpfs (ro,nosuid,nodev,noexec,relatime,nosymfollow,size=1024k,nr_inodes=1024,mode=700,noswap)\nfusectl on /sys/fs/fuse/connections type fusectl (rw,nosuid,nodev,noexec,relatime)\nconfigfs on /sys/kernel/config type configfs (rw,nosuid,nodev,noexec,relatime)\nnone on /run/credentials/systemd-resolved.service type tmpfs (ro,nosuid,nodev,noexec,relatime,nosymfollow,size=1024k,nr_inodes=1024,mode=700,noswap)\ntmpfs on /run/wrappers type tmpfs (rw,nodev,relatime,size=364568k,mode=755)\nnone on /run/credentials/systemd-networkd.service type tmpfs (ro,nosuid,nodev,noexec,relatime,nosymfollow,size=1024k,nr_inodes=1024,mode=700,noswap)\nnone on /run/credentials/serial-getty@ttyS0.service type tmpfs (ro,nosuid,nodev,noexec,relatime,nosymfollow,size=1024k,nr_inodes=1024,mode=700,noswap)\nnone on /run/credentials/getty@tty1.service type tmpfs (ro,nosuid,nodev,noexec,relatime,nosymfollow,size=1024k,nr_inodes=1024,mode=700,noswap)\n" } ] } ], "tool_trace": [ { "id": "call_jiVxkEGDYGUFwjgHnJ215uEO", "name": "TodoWrite", "input": { "todos": [ { "activeForm": "Inspecting the failover services and persisted state", "content": "Inspect the failover services and persisted state", "status": "in_progress" }, { "activeForm": "Designing a durable fenced promotion", "content": "Design a durable fenced promotion", "status": "pending" }, { "activeForm": "Applying promotion and proxy configuration", "content": "Apply promotion and proxy configuration", "status": "pending" }, { "activeForm": "Verifying API, persistence, and restart behavior", "content": "Verify API, persistence, and restart behavior", "status": "pending" }, { "activeForm": "Leaving the recovered service running", "content": "Leave the recovered service running", "status": "pending" } ] }, "output": "Added:\n + Inspect the failover services and persisted state\n + Design a durable fenced promotion\n + Apply promotion and proxy configuration\n + Verify API, persistence, and restart behavior\n + Leave the recovered service running\n\nCurrent tasks:\n ◉ Inspect the failover services and persisted state\n ○ Design a durable fenced promotion\n ○ Apply promotion and proxy configuration\n ○ Verify API, persistence, and restart behavior\n ○ Leave the recovered service running\n", "is_error": false, "read_only": true, "started_after_ms": 3083, "duration_ms": 0 }, { "id": "call_jMGuVo7NZ3skw1s8vrKDP1Ce", "name": "Bash", "input": { "command": "ps -efww; printf '\\n--- listening ---\\n'; ss -ltnp; printf '\\n--- state dir ---\\n'; ls -la /var/lib/failover; printf '\\n--- files ---\\n'; file /var/lib/failover/*; printf '\\n--- mounts ---\\n'; findmnt /var/lib/failover || true", "description": "Inspect processes, listeners, and failover state", "timeout": 120000 }, "output": "UID PID PPID C STIME TTY TIME CMD\nroot 1 0 5 00:46 ? 00:00:01 /run/current-system/systemd/lib/systemd/systemd --switched-root --system --deserialize=46\nroot 2 0 0 00:46 ? 00:00:00 [kthreadd]\nroot 3 2 0 00:46 ? 00:00:00 [pool_workqueue_release]\nroot 4 2 0 00:46 ? 00:00:00 [kworker/R-rcu_gp]\nroot 5 2 0 00:46 ? 00:00:00 [kworker/R-sync_wq]\nroot 6 2 0 00:46 ? 00:00:00 [kworker/R-kvfree_rcu_reclaim]\nroot 7 2 0 00:46 ? 00:00:00 [kworker/R-slub_flushwq]\nroot 8 2 0 00:46 ? 00:00:00 [kworker/R-netns]\nroot 9 2 0 00:46 ? 00:00:00 [kworker/0:0-events]\nroot 10 2 0 00:46 ? 00:00:00 [kworker/0:0H-events_highpri]\nroot 11 2 0 00:46 ? 00:00:00 [kworker/0:1-events]\nroot 12 2 0 00:46 ? 00:00:00 [kworker/u4:0-events_unbound]\nroot 13 2 0 00:46 ? 00:00:00 [kworker/R-mm_percpu_wq]\nroot 14 2 1 00:46 ? 00:00:00 [kworker/u4:1-events_unbound]\nroot 15 2 0 00:46 ? 00:00:00 [ksoftirqd/0]\nroot 16 2 0 00:46 ? 00:00:00 [rcu_preempt]\nroot 17 2 0 00:46 ? 00:00:00 [rcu_exp_par_gp_kthread_worker/0]\nroot 18 2 0 00:46 ? 00:00:00 [rcu_exp_gp_kthread_worker]\nroot 19 2 0 00:46 ? 00:00:00 [migration/0]\nroot 20 2 0 00:46 ? 00:00:00 [idle_inject/0]\nroot 21 2 0 00:46 ? 00:00:00 [cpuhp/0]\nroot 22 2 0 00:46 ? 00:00:00 [kdevtmpfs]\nroot 23 2 0 00:46 ? 00:00:00 [kworker/R-inet_frag_wq]\nroot 24 2 0 00:46 ? 00:00:00 [rcu_tasks_kthread]\nroot 25 2 0 00:46 ? 00:00:00 [rcu_tasks_rude_kthread]\nroot 26 2 0 00:46 ? 00:00:00 [rcu_tasks_trace_kthread]\nroot 27 2 0 00:46 ? 00:00:00 [kauditd]\nroot 28 2 0 00:46 ? 00:00:00 [khungtaskd]\nroot 29 2 0 00:46 ? 00:00:00 [oom_reaper]\nroot 30 2 0 00:46 ? 00:00:00 [kworker/R-writeback]\nroot 31 2 0 00:46 ? 00:00:00 [kworker/u4:2-events_unbound]\nroot 32 2 0 00:46 ? 00:00:00 [kcompactd0]\nroot 33 2 0 00:46 ? 00:00:00 [ksmd]\nroot 34 2 0 00:46 ? 00:00:00 [khugepaged]\nroot 35 2 0 00:46 ? 00:00:00 [kworker/R-kblockd]\nroot 36 2 0 00:46 ? 00:00:00 [kworker/R-blkcg_punt_bio]\nroot 37 2 0 00:46 ? 00:00:00 [kworker/R-kintegrityd]\nroot 38 2 0 00:46 ? 00:00:00 [irq/9-acpi]\nroot 39 2 0 00:46 ? 00:00:00 [kworker/R-tpm_dev_wq]\nroot 40 2 0 00:46 ? 00:00:00 [kworker/R-devfreq_wq]\nroot 41 2 0 00:46 ? 00:00:00 [kworker/R-quota_events_unbound]\nroot 42 2 0 00:46 ? 00:00:00 [kworker/0:1H-kblockd]\nroot 43 2 0 00:46 ? 00:00:00 [kswapd0]\nroot 44 2 0 00:46 ? 00:00:00 [kdamond.0]\nroot 45 2 0 00:46 ? 00:00:00 [kworker/R-kthrotld]\nroot 46 2 0 00:46 ? 00:00:00 [kworker/R-mld]\nroot 47 2 0 00:46 ? 00:00:00 [kworker/R-ipv6_addrconf]\nroot 48 2 0 00:46 ? 00:00:00 [kworker/R-kstrp]\nroot 49 2 0 00:46 ? 00:00:00 [kworker/u5:0]\nroot 50 2 0 00:46 ? 00:00:00 [kworker/0:2-events]\nroot 51 2 0 00:46 ? 00:00:00 [hwrng]\nroot 72 2 0 00:46 ? 00:00:00 [kworker/0:3-events]\nroot 83 2 0 00:46 ? 00:00:00 [kworker/u4:3-events_unbound]\nroot 105 2 0 00:46 ? 00:00:00 [kworker/R-ata_sff]\nroot 106 2 0 00:46 ? 00:00:00 [scsi_eh_0]\nroot 108 2 0 00:46 ? 00:00:00 [kworker/R-scsi_tmf_0]\nroot 109 2 0 00:46 ? 00:00:00 [scsi_eh_1]\nroot 110 2 0 00:46 ? 00:00:00 [kworker/R-scsi_tmf_1]\nroot 111 2 0 00:46 ? 00:00:00 [kworker/u4:4-events_unbound]\nroot 122 2 0 00:46 ? 00:00:00 [jbd2/vda-8]\nroot 123 2 0 00:46 ? 00:00:00 [kworker/R-ext4-rsv-conversion]\nroot 268 1 1 00:46 ? 00:00:00 /nix/store/mc901k2s1n3v1disrj0356l7lwz7l6vg-systemd-261.1/lib/systemd/systemd-journald\nsystemd+ 270 1 0 00:46 ? 00:00:00 /nix/store/mc901k2s1n3v1disrj0356l7lwz7l6vg-systemd-261.1/lib/systemd/systemd-oomd\nsystemd+ 298 1 0 00:46 ? 00:00:00 /nix/store/mc901k2s1n3v1disrj0356l7lwz7l6vg-systemd-261.1/lib/systemd/systemd-resolved\nroot 318 1 1 00:46 ? 00:00:00 /nix/store/mc901k2s1n3v1disrj0356l7lwz7l6vg-systemd-261.1/lib/systemd/systemd-udevd\nroot 363 2 0 00:46 ? 00:00:00 [psimon]\nsystemd+ 487 1 0 00:46 ? 00:00:00 /nix/store/mc901k2s1n3v1disrj0356l7lwz7l6vg-systemd-261.1/lib/systemd/systemd-networkd\nnscd 497 1 0 00:46 ? 00:00:00 /nix/store/jm4vx2qpmsy10kgi4h05vmv0sg9a76gs-nsncd-1.5.2/bin/nsncd\nroot 510 2 0 00:46 ? 00:00:00 [kworker/R-cfg80211]\nmessage+ 524 1 0 00:46 ? 00:00:00 /nix/store/4508vwbi27i71nan15ldwn6q1zgzs9y6-dbus-broker-37/bin/dbus-broker-launch --scope system --audit\nroot 526 1 0 00:47 ? 00:00:00 /nix/store/mc901k2s1n3v1disrj0356l7lwz7l6vg-systemd-261.1/lib/systemd/systemd-logind\nmessage+ 544 524 0 00:47 ? 00:00:00 dbus-broker --log 10 --controller 9 --machine-id a99262cb797f43f4b1a0072b74c1ccb1 --max-bytes 536870912 --max-fds 4096 --max-matches 16384 --audit\nroot 547 1 0 00:47 tty1 00:00:00 /nix/store/156fzvaz2nsq2hk0fkzn9jwk90bnzyn9-util-linux-2.42.2-bin/bin/agetty --login-program /nix/store/mi6lawlrw5m3s8g3wkf9spwpqbx604fc-shadow-4.20.0/bin/login --issue-file /etc/issue:/etc/issue.d:/run/issue:/run/issue.d --noclear --keep-baud tty1 115200,38400,9600 linux\nroot 548 1 0 00:47 ttyS0 00:00:00 /nix/store/156fzvaz2nsq2hk0fkzn9jwk90bnzyn9-util-linux-2.42.2-bin/bin/agetty --login-program /nix/store/mi6lawlrw5m3s8g3wkf9spwpqbx604fc-shadow-4.20.0/bin/login --issue-file /etc/issue:/etc/issue.d:/run/issue:/run/issue.d ttyS0 --keep-baud vt220\nroot 555 1 1 00:47 ? 00:00:00 /nix/store/3n4qphl9s728sz8frmpqqrv9b1m87g68-python3-3.14.7/bin/python /nix/store/gy7xaavwyh9mbwz4ll8h6z3ban0s6g93-failover-proxy.py\nroot 556 1 0 00:47 ? 00:00:00 /nix/store/3n4qphl9s728sz8frmpqqrv9b1m87g68-python3-3.14.7/bin/python /nix/store/3lf8if1z3ahcv9mdxqmwncn87hnwdymi-failover-replica.py\nroot 576 2 0 00:47 ? 00:00:00 [kworker/0:4]\nroot 586 1 0 00:47 ? 00:00:00 sshd: /nix/store/2gpyjkhxkzhrih3vzzv1vyddx8ac1fan-openssh-10.4p1/bin/sshd -D -f /etc/ssh/sshd_config [listener] 0 of 10-100 startups\nroot 593 1 1 00:47 ? 00:00:00 /nix/store/mc901k2s1n3v1disrj0356l7lwz7l6vg-systemd-261.1/lib/systemd/systemd --user\nroot 594 2 0 00:47 ? 00:00:00 [psimon]\nroot 596 593 0 00:47 ? 00:00:00 (sd-pam)\nroot 601 2 0 00:47 ? 00:00:00 [psimon]\nroot 602 2 0 00:47 ? 00:00:00 [psimon]\nroot 617 586 0 00:47 ? 00:00:00 sshd-session: root [priv]\nroot 621 617 0 00:47 ? 00:00:00 sshd-session: root\nroot 657 586 0 00:47 ? 00:00:00 sshd-session: root [priv]\nroot 661 657 0 00:47 ? 00:00:00 sshd-session: root@notty\nroot 662 661 0 00:47 ? 00:00:00 bash -c chmod 0700 '/var/tmp/agents-of-empires-luna-failover-engineer/claux' && cd /root && OPENROUTER_API_KEY=arena-proxy-placeholder '/var/tmp/agents-of-empires-luna-failover-engineer/claux' config init --provider openrouter --model 'openai/gpt-5.6-luna' >/dev/null && sed -i 's#^base_url = .*#base_url = \"http://127.0.0.1:18002/api/v1\"#' /root/.config/claux/config.toml && sed -i 's/^native_tool_filesystem_policy = .*/native_tool_filesystem_policy = \"unrestricted\"/' /root/.config/claux/config.toml && sed -i 's/^bash_filesystem_policy = .*/bash_filesystem_policy = \"unrestricted\"/' /root/.config/claux/config.toml && profile=$(sed -n 's/^default_profile = \"\\([^\"]*\\)\"/\\1/p' /root/.config/claux/config.toml) && awk -v section=\"[model_profiles.${profile}]\" -v effort='high' '{ print; if ($0 == section) print \"reasoning_effort = \\\"\" effort \"\\\"\" }' /root/.config/claux/config.toml > /root/.config/claux/config.toml.partial && mv /root/.config/claux/config.toml.partial /root/.config/claux/config.toml && OPENROUTER_API_KEY=arena-proxy-placeholder '/var/tmp/agents-of-empires-luna-failover-engineer/claux' --print \"$(cat '/var/tmp/agents-of-empires-luna-failover-engineer/instruction.md')\" --permission-mode bypass --output-format json --transcript '/var/tmp/agents-of-empires-luna-failover-engineer/transcript.json' > '/var/tmp/agents-of-empires-luna-failover-engineer/result.json'\nroot 673 662 0 00:47 ? 00:00:00 /var/tmp/agents-of-empires-luna-failover-engineer/claux --print Recover the stateful primary failure in the contract appended below. Preserve customer data and prevent split brain. Speed matters, but only a durable, fenced topology can win. The controller-owned referee is the only authority on completion. Do not stop after merely describing the work. Implement the service on this host, verify it yourself, and leave it running. You have no access to referee evidence or other competitors. # Service contract # Stateful primary failover contract The public record service on port 8080 is unavailable because its proxy still targets the failed old primary on `127.0.0.1:8081`. A healthy read-only replica is running on `127.0.0.1:8082`. Existing customer state is stored in `/var/lib/failover/records.sqlite3` and must not be discarded or replaced. Restore the public service by safely promoting the replica and atomically switching the proxy. The replica reads its role from `/var/lib/failover/replica.role` on every request. It accepts writes only when that file contains `primary`. The proxy reads its upstream port from `/var/lib/failover/upstream` on every request. The public API contract is: - `GET /health`: `200` with exact body `ready`; - `GET /role`: `200` with exact body `primary` after promotion; - `PUT /records/`: persist the UTF-8 body and return `204`; - `GET /records/`: return the exact body, or `404` when absent. The old primary must remain failed and must be durably fenced before writes are restored. Preserve `/var/lib/failover/primary.failed`, create `/var/lib/failover/primary.fenced`, and do not make port 8081 listen again. The promoted topology, original records, and new writes must survive service restart and full host reboot without agent help. --permission-mode bypass --output-format json --transcript /var/tmp/agents-of-empires-luna-failover-engineer/transcript.json\nroot 701 318 0 00:47 ? 00:00:00 (udev-worker)\nroot 711 673 0 00:47 ? 00:00:00 sh -c ps -efww; printf '\\n--- listening ---\\n'; ss -ltnp; printf '\\n--- state dir ---\\n'; ls -la /var/lib/failover; printf '\\n--- files ---\\n'; file /var/lib/failover/*; printf '\\n--- mounts ---\\n'; findmnt /var/lib/failover || true\nroot 712 711 33 00:47 ? 00:00:00 ps -efww\n\n--- listening ---\nState Recv-Q Send-Q Local Address:Port Peer Address:PortProcess\nLISTEN 0 128 127.0.0.1:18002 0.0.0.0:* users:((\"sshd-session\",pid=621,fd=10))\nLISTEN 0 4096 127.0.0.53%lo:53 0.0.0.0:* users:((\"systemd-resolve\",pid=298,fd=23))\nLISTEN 0 5 0.0.0.0:8080 0.0.0.0:* users:((\"python\",pid=555,fd=3))\nLISTEN 0 128 0.0.0.0:22 0.0.0.0:* users:((\"sshd\",pid=586,fd=6))\nLISTEN 0 4096 127.0.0.54:53 0.0.0.0:* users:((\"systemd-resolve\",pid=298,fd=25))\nLISTEN 0 5 127.0.0.1:8082 0.0.0.0:* users:((\"python\",pid=556,fd=3))\nLISTEN 0 4096 0.0.0.0:5355 0.0.0.0:* users:((\"systemd-resolve\",pid=298,fd=14))\nLISTEN 0 128 [::]:22 [::]:* users:((\"sshd\",pid=586,fd=7))\nLISTEN 0 4096 [::]:5355 [::]:* users:((\"systemd-resolve\",pid=298,fd=16))\n\n--- state dir ---\ntotal 28\ndrwxr-xr-x 2 root root 4096 Aug 14 00:47 .\ndrwxr-xr-x 9 root root 4096 Aug 14 00:47 ..\n-rw-r--r-- 1 root root 0 Aug 14 00:47 primary.failed\n-rw-r--r-- 1 root root 12288 Aug 14 00:47 records.sqlite3\n-rw-r--r-- 1 root root 8 Aug 14 00:47 replica.role\n-rw-r--r-- 1 root root 5 Aug 14 00:47 upstream\n\n--- files ---\n\n--- mounts ---\n\nsh: line 1: file: command not found\n", "is_error": false, "read_only": false, "started_after_ms": 7491, "duration_ms": 124 }, { "id": "call_Mtx1IsGBoIB9v1qHZE196AF5", "name": "Bash", "input": { "command": "systemctl list-unit-files --type=service --no-pager; printf '\\n--- active ---\\n'; systemctl --no-pager --type=service --state=running || true; printf '\\n--- failover refs ---\\n'; grep -RInE '8081|8082|failover|records.sqlite3|replica.role|upstream' /etc/systemd /etc/nginx /etc 2>/dev/null | head -300", "description": "Inspect service and proxy configuration", "timeout": 120000 }, "output": "UNIT FILE STATE PRESET\nautovt@.service alias -\nblk-availability.service linked ignored\ncapsule@.service linked ignored\nconsole-getty.service masked ignored\ncontainer-getty@.service linked ignored\ndbus-broker.service enabled ignored\ndbus-org.freedesktop.hostname1.service alias -\ndbus-org.freedesktop.import1.service alias -\ndbus-org.freedesktop.locale1.service alias -\ndbus-org.freedesktop.login1.service alias -\ndbus-org.freedesktop.machine1.service alias -\ndbus-org.freedesktop.network1.service alias -\ndbus-org.freedesktop.portable1.service alias -\ndbus-org.freedesktop.resolve1.service alias -\ndbus-org.freedesktop.timedate1.service alias -\ndbus.service alias -\ndebug-shell.service linked ignored\nemergency.service linked ignored\nfailover-proxy.service enabled ignored\nfailover-replica.service enabled ignored\nfailover-seed.service enabled ignored\nfirewall.service enabled ignored\nfstrim.service linked ignored\ngenerate-shutdown-ramfs.service enabled ignored\ngetty@.service enabled ignored\nkmod-static-nodes.service enabled ignored\nlastlog2-import.service enabled ignored\nlinger-users.service enabled ignored\nlogrotate-checkconf.service enabled ignored\nlogrotate.service linked ignored\nlvm-devices-import.service linked ignored\nmodprobe@.service linked ignored\nnetwork-local-commands.service masked ignored\nnix-daemon.service linked ignored\nnix-gc.service linked ignored\nnix-optimise.service linked ignored\nnscd.service enabled ignored\npost-boot.service enabled ignored\nprepare-kexec.service enabled ignored\nqemu-guest-agent.service linked ignored\nregister-nix-paths.service enabled ignored\nreload-systemd-vconsole-setup.service enabled ignored\nrescue.service linked ignored\nserial-getty@.service linked ignored\nsleep-actions.service enabled ignored\nsshd-keygen.service enabled ignored\nsshd-unix-local@.service alias -\nsshd.service enabled ignored\nsshd@.service linked ignored\nsuid-sgid-wrappers.service enabled ignored\nsystemd-ask-password-console.service linked ignored\nsystemd-ask-password-wall.service linked ignored\nsystemd-ask-password@.service linked ignored\nsystemd-backlight@.service linked ignored\nsystemd-bless-boot.service linked ignored\nsystemd-boot-random-seed.service enabled ignored\nsystemd-bootctl@.service linked ignored\nsystemd-coredump@.service linked ignored\nsystemd-creds@.service linked ignored\nsystemd-exit.service linked ignored\nsystemd-factory-reset-reboot.service linked ignored\nsystemd-factory-reset-request.service enabled ignored\nsystemd-factory-reset@.service linked ignored\nsystemd-fsck-root.service enabled-runtime ignored\nsystemd-fsck@.service linked ignored\nsystemd-growfs-root.service linked ignored\nsystemd-growfs@.service linked ignored\nsystemd-halt.service linked ignored\nsystemd-hibernate-clear.service enabled ignored\nsystemd-hibernate.service linked ignored\nsystemd-hostnamed.service linked ignored\nsystemd-hybrid-sleep.service linked ignored\nsystemd-importd.service linked ignored\nsystemd-journal-catalog-update.service enabled ignored\nsystemd-journal-flush.service enabled ignored\nsystemd-journalctl@.service linked ignored\nsystemd-journald-sync@.service linked ignored\nsystemd-journald.service enabled ignored\nsystemd-journald@.service linked ignored\nsystemd-kexec.service linked ignored\nsystemd-localed.service linked ignored\nsystemd-logind.service enabled ignored\nsystemd-machine-id-commit.service enabled ignored\nsystemd-machined.service linked ignored\nsystemd-modules-load.service enabled ignored\nsystemd-mute-console@.service linked ignored\nsystemd-networkd-persistent-storage.service linked ignored\nsystemd-networkd-wait-online.service enabled ignored\nsystemd-networkd-wait-online@.service linked ignored\nsystemd-networkd.service enabled ignored\nsystemd-nspawn@.service linked ignored\nsystemd-oomd.service enabled ignored\nsystemd-pcrextend@.service linked ignored\nsystemd-pcrlock@.service linked ignored\nsystemd-pcrlogin@.service linked ignored\nsystemd-portabled.service linked ignored\nsystemd-poweroff.service linked ignored\nsystemd-pstore.service enabled ignored\nsystemd-random-seed.service enabled ignored\nsystemd-reboot.service linked ignored\nsystemd-remount-fs.service enabled-runtime ignored\nsystemd-repart@.service linked ignored\nsystemd-resolved.service enabled ignored\nsystemd-rfkill.service linked ignored\nsystemd-soft-reboot.service linked ignored\nsystemd-suspend-then-hibernate.service linked ignored\nsystemd-suspend.service linked ignored\nsystemd-sysctl.service enabled ignored\nsystemd-timedated.service linked ignored\nsystemd-tmpfiles-clean.service linked ignored\nsystemd-tmpfiles-resetup.service enabled ignored\nsystemd-tmpfiles-setup-dev-early.service enabled ignored\nsystemd-tmpfiles-setup-dev.service enabled ignored\nsystemd-tmpfiles-setup.service enabled ignored\nsystemd-tpm2-clear.service linked ignored\nsystemd-tpm2-setup-early.service enabled ignored\nsystemd-tpm2-setup.service enabled ignored\nsystemd-udev-trigger.service enabled ignored\nsystemd-udevd.service enabled ignored\nsystemd-update-done.service enabled ignored\nsystemd-update-utmp.service enabled ignored\nsystemd-user-sessions.service enabled ignored\nsystemd-vconsole-setup.service linked ignored\nuser-runtime-dir@.service linked ignored\nuser@.service linked ignored\nuuidd.service linked ignored\n\n126 unit files listed.\n\n--- active ---\n UNIT LOAD ACTIVE SUB DESCRIPTION\n dbus-broker.service loaded active running D-Bus System Message Bus\n failover-proxy.service loaded active running Public proxy stranded on failed primary\n failover-replica.service loaded active running Healthy read-only failover replica\n getty@tty1.service loaded active running Getty on tty1\n nscd.service loaded active running Name Service Cache Daemon (nsncd)\n serial-getty@ttyS0.service loaded active running Serial Getty on ttyS0\n sshd.service loaded active running SSH Daemon\n systemd-journald.service loaded active running Journal Service\n systemd-logind.service loaded active running User Login Management\n systemd-networkd.service loaded active running Network Management\n systemd-oomd.service loaded active running Userspace Out-Of-Memory (OOM) Killer\n systemd-resolved.service loaded active running Network Name Resolution\n user@0.service loaded active running User Manager for UID 0\n\nLegend: LOAD → Reflects whether the unit definition was properly loaded.\n ACTIVE → The high-level unit activation state, i.e. generalization of SUB.\n SUB → The low-level unit activation state, values depend on unit type.\n\n13 loaded units listed.\n\n--- failover refs ---\n/etc/systemd/system/multi-user.target.wants/failover-seed.service:2:Before=failover-replica.service failover-proxy.service\n/etc/systemd/system/multi-user.target.wants/failover-seed.service:9:ExecStart=/nix/store/vnsdj3nml00cykxy4dmpcsgbwp76jspz-unit-script-failover-seed-start/bin/failover-seed-start \n/etc/systemd/system/multi-user.target.wants/failover-replica.service:2:After=failover-seed.service\n/etc/systemd/system/multi-user.target.wants/failover-replica.service:3:Description=Healthy read-only failover replica\n/etc/systemd/system/multi-user.target.wants/failover-replica.service:4:Requires=failover-seed.service\n/etc/systemd/system/multi-user.target.wants/failover-replica.service:10:ExecStart=/nix/store/3n4qphl9s728sz8frmpqqrv9b1m87g68-python3-3.14.7/bin/python /nix/store/3lf8if1z3ahcv9mdxqmwncn87hnwdymi-failover-replica.py\n/etc/systemd/system/multi-user.target.wants/failover-proxy.service:2:After=failover-seed.service\n/etc/systemd/system/multi-user.target.wants/failover-proxy.service:4:Requires=failover-seed.service\n/etc/systemd/system/multi-user.target.wants/failover-proxy.service:10:ExecStart=/nix/store/3n4qphl9s728sz8frmpqqrv9b1m87g68-python3-3.14.7/bin/python /nix/store/gy7xaavwyh9mbwz4ll8h6z3ban0s6g93-failover-proxy.py\n/etc/systemd/system/failover-seed.service:2:Before=failover-replica.service failover-proxy.service\n/etc/systemd/system/failover-seed.service:9:ExecStart=/nix/store/vnsdj3nml00cykxy4dmpcsgbwp76jspz-unit-script-failover-seed-start/bin/failover-seed-start \n/etc/systemd/system/failover-replica.service:2:After=failover-seed.service\n/etc/systemd/system/failover-replica.service:3:Description=Healthy read-only failover replica\n/etc/systemd/system/failover-replica.service:4:Requires=failover-seed.service\n/etc/systemd/system/failover-replica.service:10:ExecStart=/nix/store/3n4qphl9s728sz8frmpqqrv9b1m87g68-python3-3.14.7/bin/python /nix/store/3lf8if1z3ahcv9mdxqmwncn87hnwdymi-failover-replica.py\n/etc/systemd/system/failover-proxy.service:2:After=failover-seed.service\n/etc/systemd/system/failover-proxy.service:4:Requires=failover-seed.service\n/etc/systemd/system/failover-proxy.service:10:ExecStart=/nix/store/3n4qphl9s728sz8frmpqqrv9b1m87g68-python3-3.14.7/bin/python /nix/store/gy7xaavwyh9mbwz4ll8h6z3ban0s6g93-failover-proxy.py\n/etc/udev/rules.d/10-dm.rules:34:# check subsystem's upstream repository for recent set of rules.\n/etc/hosts:3:127.0.0.2 failover-two\n/etc/ssh/ssh_host_rsa_key.pub:1:ssh-rsa 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 root@failover-two\n/etc/ssh/ssh_host_ed25519_key.pub:1:ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIIccuvLXEJ8RWXimu/JEHPyAQcuGhYej67PPyAaGOGF/ root@failover-two\n/etc/hostname:1:failover-two\n/etc/services:1115:dhcp-failover 647/tcp # DHCP Failover\n/etc/services:1116:dhcp-failover 647/udp # DHCP Failover\n/etc/services:1331:dhcp-failover2 847/tcp # dhcp-failover 2\n/etc/services:1332:dhcp-failover2 847/udp # dhcp-failover 2\n/etc/services:9889:sunproxyadmin 8081/tcp # Sun Proxy Admin Service\n/etc/services:9890:sunproxyadmin 8081/udp # Sun Proxy Admin Service\n/etc/services:9891:us-cli 8082/tcp # Utilistor (Client)\n/etc/services:9892:us-cli 8082/udp # Utilistor (Client)\n/etc/systemd/system/multi-user.target.wants/failover-seed.service:2:Before=failover-replica.service failover-proxy.service\n/etc/systemd/system/multi-user.target.wants/failover-seed.service:9:ExecStart=/nix/store/vnsdj3nml00cykxy4dmpcsgbwp76jspz-unit-script-failover-seed-start/bin/failover-seed-start \n/etc/systemd/system/multi-user.target.wants/failover-replica.service:2:After=failover-seed.service\n/etc/systemd/system/multi-user.target.wants/failover-replica.service:3:Description=Healthy read-only failover replica\n/etc/systemd/system/multi-user.target.wants/failover-replica.service:4:Requires=failover-seed.service\n/etc/systemd/system/multi-user.target.wants/failover-replica.service:10:ExecStart=/nix/store/3n4qphl9s728sz8frmpqqrv9b1m87g68-python3-3.14.7/bin/python /nix/store/3lf8if1z3ahcv9mdxqmwncn87hnwdymi-failover-replica.py\n/etc/systemd/system/multi-user.target.wants/failover-proxy.service:2:After=failover-seed.service\n/etc/systemd/system/multi-user.target.wants/failover-proxy.service:4:Requires=failover-seed.service\n/etc/systemd/system/multi-user.target.wants/failover-proxy.service:10:ExecStart=/nix/store/3n4qphl9s728sz8frmpqqrv9b1m87g68-python3-3.14.7/bin/python /nix/store/gy7xaavwyh9mbwz4ll8h6z3ban0s6g93-failover-proxy.py\n/etc/systemd/system/failover-seed.service:2:Before=failover-replica.service failover-proxy.service\n/etc/systemd/system/failover-seed.service:9:ExecStart=/nix/store/vnsdj3nml00cykxy4dmpcsgbwp76jspz-unit-script-failover-seed-start/bin/failover-seed-start \n/etc/systemd/system/failover-replica.service:2:After=failover-seed.service\n/etc/systemd/system/failover-replica.service:3:Description=Healthy read-only failover replica\n/etc/systemd/system/failover-replica.service:4:Requires=failover-seed.service\n/etc/systemd/system/failover-replica.service:10:ExecStart=/nix/store/3n4qphl9s728sz8frmpqqrv9b1m87g68-python3-3.14.7/bin/python /nix/store/3lf8if1z3ahcv9mdxqmwncn87hnwdymi-failover-replica.py\n/etc/systemd/system/failover-proxy.service:2:After=failover-seed.service\n/etc/systemd/system/failover-proxy.service:4:Requires=failover-seed.service\n/etc/systemd/system/failover-proxy.service:10:ExecStart=/nix/store/3n4qphl9s728sz8frmpqqrv9b1m87g68-python3-3.14.7/bin/python /nix/store/gy7xaavwyh9mbwz4ll8h6z3ban0s6g93-failover-proxy.py\n/etc/fonts/conf.d/30-metric-aliases.conf:49: upstream now includes them in their release of (URW)++ Core Font Set here:\n/etc/static/services:1115:dhcp-failover 647/tcp # DHCP Failover\n/etc/static/services:1116:dhcp-failover 647/udp # DHCP Failover\n/etc/static/services:1331:dhcp-failover2 847/tcp # dhcp-failover 2\n/etc/static/services:1332:dhcp-failover2 847/udp # dhcp-failover 2\n/etc/static/services:9889:sunproxyadmin 8081/tcp # Sun Proxy Admin Service\n/etc/static/services:9890:sunproxyadmin 8081/udp # Sun Proxy Admin Service\n/etc/static/services:9891:us-cli 8082/tcp # Utilistor (Client)\n/etc/static/services:9892:us-cli 8082/udp # Utilistor (Client)\n/etc/static/fonts/conf.d/30-metric-aliases.conf:49: upstream now includes them in their release of (URW)++ Core Font Set here:\n/etc/static/hosts:3:127.0.0.2 failover-two\n/etc/static/udev/rules.d/10-dm.rules:34:# check subsystem's upstream repository for recent set of rules.\n/etc/static/systemd/system/multi-user.target.wants/failover-seed.service:2:Before=failover-replica.service failover-proxy.service\n/etc/static/systemd/system/multi-user.target.wants/failover-seed.service:9:ExecStart=/nix/store/vnsdj3nml00cykxy4dmpcsgbwp76jspz-unit-script-failover-seed-start/bin/failover-seed-start \n/etc/static/systemd/system/multi-user.target.wants/failover-replica.service:2:After=failover-seed.service\n/etc/static/systemd/system/multi-user.target.wants/failover-replica.service:3:Description=Healthy read-only failover replica\n/etc/static/systemd/system/multi-user.target.wants/failover-replica.service:4:Requires=failover-seed.service\n/etc/static/systemd/system/multi-user.target.wants/failover-replica.service:10:ExecStart=/nix/store/3n4qphl9s728sz8frmpqqrv9b1m87g68-python3-3.14.7/bin/python /nix/store/3lf8if1z3ahcv9mdxqmwncn87hnwdymi-failover-replica.py\n/etc/static/systemd/system/multi-user.target.wants/failover-proxy.service:2:After=failover-seed.service\n/etc/static/systemd/system/multi-user.target.wants/failover-proxy.service:4:Requires=failover-seed.service\n/etc/static/systemd/system/multi-user.target.wants/failover-proxy.service:10:ExecStart=/nix/store/3n4qphl9s728sz8frmpqqrv9b1m87g68-python3-3.14.7/bin/python /nix/store/gy7xaavwyh9mbwz4ll8h6z3ban0s6g93-failover-proxy.py\n/etc/static/systemd/system/failover-seed.service:2:Before=failover-replica.service failover-proxy.service\n/etc/static/systemd/system/failover-seed.service:9:ExecStart=/nix/store/vnsdj3nml00cykxy4dmpcsgbwp76jspz-unit-script-failover-seed-start/bin/failover-seed-start \n/etc/static/systemd/system/failover-replica.service:2:After=failover-seed.service\n/etc/static/systemd/system/failover-replica.service:3:Description=Healthy read-only failover replica\n/etc/static/systemd/system/failover-replica.service:4:Requires=failover-seed.service\n/etc/static/systemd/system/failover-replica.service:10:ExecStart=/nix/store/3n4qphl9s728sz8frmpqqrv9b1m87g68-python3-3.14.7/bin/python /nix/store/3lf8if1z3ahcv9mdxqmwncn87hnwdymi-failover-replica.py\n/etc/static/systemd/system/failover-proxy.service:2:After=failover-seed.service\n/etc/static/systemd/system/failover-proxy.service:4:Requires=failover-seed.service\n/etc/static/systemd/system/failover-proxy.service:10:ExecStart=/nix/store/3n4qphl9s728sz8frmpqqrv9b1m87g68-python3-3.14.7/bin/python /nix/store/gy7xaavwyh9mbwz4ll8h6z3ban0s6g93-failover-proxy.py\n/etc/static/hostname:1:failover-two\n", "is_error": false, "read_only": false, "started_after_ms": 7615, "duration_ms": 11437 }, { "id": "call_mVz8bgfHafoXFbFKIjnVn2qK", "name": "Bash", "input": { "command": "printf '%s\\n' '--- role ---'; od -An -tx1c /var/lib/failover/replica.role 2>/dev/null || true; printf '%s\\n' '--- upstream ---'; od -An -tx1c /var/lib/failover/upstream 2>/dev/null || true; printf '%s\\n' '--- markers ---'; for f in /var/lib/failover/primary.failed /var/lib/failover/primary.fenced; do if [ -e \"$f\" ]; then stat \"$f\"; od -An -tx1c \"$f\" 2>/dev/null; else echo MISSING:$f; fi; done; printf '%s\\n' '--- sqlite ---'; sqlite3 /var/lib/failover/records.sqlite3 '.databases' '.tables' 'select * from records;' 2>&1 || true", "description": "Inspect roles, fencing markers, and customer records", "timeout": 120000 }, "output": "--- role ---\n 72 65 70 6c 69 63 61 0a\n r e p l i c a \\n\n--- upstream ---\n 38 30 38 31 0a\n 8 0 8 1 \\n\n--- markers ---\n File: /var/lib/failover/primary.failed\n Size: 0 \tBlocks: 0 IO Block: 4096 regular empty file\nDevice: 253,0\tInode: 245 Links: 1\nAccess: (0644/-rw-r--r--) Uid: ( 0/ root) Gid: ( 0/ root)\nAccess: 2026-08-14 00:47:00.116913743 +0000\nModify: 2026-08-14 00:47:00.116913743 +0000\nChange: 2026-08-14 00:47:00.116913743 +0000\n Birth: 2026-08-14 00:47:00.116913743 +0000\nMISSING:/var/lib/failover/primary.fenced\n--- sqlite ---\nmain: /var/lib/failover/records.sqlite3 r/w\nrecords\ncustomer-red-4a7|red-original\ncustomer-blue-8d2|blue-original\ncustomer-green-f31|green-original\n", "is_error": false, "read_only": false, "started_after_ms": 19053, "duration_ms": 67 }, { "id": "call_MV9wuYYwG85Rden0YbptqofO", "name": "Read", "input": { "file_path": "/etc/systemd/system/failover-seed.service", "limit": 120, "offset": 1 }, "output": "1\t[Unit]\n2\tBefore=failover-replica.service failover-proxy.service\n3\tDescription=Seed failed-primary topology and replicated state\n4\t\n5\t[Service]\n6\tEnvironment=\"LOCALE_ARCHIVE=/nix/store/c59mcax29xrwyfdqs308wkmn2srnmzkn-glibc-locales-2.42-67/lib/locale/locale-archive\"\n7\tEnvironment=\"PATH=/nix/store/97d5ygrvqj55f4nx1x34wfdcc7qn11c0-coreutils-9.11/bin:/nix/store/ibg16grw5is7i7ilnflc5xmj6fwksqkl-findutils-4.11.0/bin:/nix/store/4dgym2zhac9vy0vrih4gsplh0wpfl13m-gnugrep-3.12/bin:/nix/store/rxd8p6g4k4s0sx4q1szmzvp9rsmhmfys-gnused-4.10/bin:/nix/store/mc901k2s1n3v1disrj0356l7lwz7l6vg-systemd-261.1/bin:/nix/store/97d5ygrvqj55f4nx1x34wfdcc7qn11c0-coreutils-9.11/sbin:/nix/store/ibg16grw5is7i7ilnflc5xmj6fwksqkl-findutils-4.11.0/sbin:/nix/store/4dgym2zhac9vy0vrih4gsplh0wpfl13m-gnugrep-3.12/sbin:/nix/store/rxd8p6g4k4s0sx4q1szmzvp9rsmhmfys-gnused-4.10/sbin:/nix/store/mc901k2s1n3v1disrj0356l7lwz7l6vg-systemd-261.1/sbin\"\n8\tEnvironment=\"TZDIR=/nix/store/vlgjd2179ahfh509p1aid8fl22bw8ri3-tzdata-2026c/share/zoneinfo\"\n9\tExecStart=/nix/store/vnsdj3nml00cykxy4dmpcsgbwp76jspz-unit-script-failover-seed-start/bin/failover-seed-start \n10\tRemainAfterExit=true\n11\tType=oneshot\n12\t\n13\t[Install]\n14\tWantedBy=multi-user.target\n", "is_error": false, "read_only": true, "started_after_ms": 22961, "duration_ms": 2 }, { "id": "call_LKUugpuMSbXMmAWS00oRlaHg", "name": "Read", "input": { "file_path": "/etc/systemd/system/failover-replica.service", "limit": 120, "offset": 1 }, "output": "1\t[Unit]\n2\tAfter=failover-seed.service\n3\tDescription=Healthy read-only failover replica\n4\tRequires=failover-seed.service\n5\t\n6\t[Service]\n7\tEnvironment=\"LOCALE_ARCHIVE=/nix/store/c59mcax29xrwyfdqs308wkmn2srnmzkn-glibc-locales-2.42-67/lib/locale/locale-archive\"\n8\tEnvironment=\"PATH=/nix/store/97d5ygrvqj55f4nx1x34wfdcc7qn11c0-coreutils-9.11/bin:/nix/store/ibg16grw5is7i7ilnflc5xmj6fwksqkl-findutils-4.11.0/bin:/nix/store/4dgym2zhac9vy0vrih4gsplh0wpfl13m-gnugrep-3.12/bin:/nix/store/rxd8p6g4k4s0sx4q1szmzvp9rsmhmfys-gnused-4.10/bin:/nix/store/mc901k2s1n3v1disrj0356l7lwz7l6vg-systemd-261.1/bin:/nix/store/97d5ygrvqj55f4nx1x34wfdcc7qn11c0-coreutils-9.11/sbin:/nix/store/ibg16grw5is7i7ilnflc5xmj6fwksqkl-findutils-4.11.0/sbin:/nix/store/4dgym2zhac9vy0vrih4gsplh0wpfl13m-gnugrep-3.12/sbin:/nix/store/rxd8p6g4k4s0sx4q1szmzvp9rsmhmfys-gnused-4.10/sbin:/nix/store/mc901k2s1n3v1disrj0356l7lwz7l6vg-systemd-261.1/sbin\"\n9\tEnvironment=\"TZDIR=/nix/store/vlgjd2179ahfh509p1aid8fl22bw8ri3-tzdata-2026c/share/zoneinfo\"\n10\tExecStart=/nix/store/3n4qphl9s728sz8frmpqqrv9b1m87g68-python3-3.14.7/bin/python /nix/store/3lf8if1z3ahcv9mdxqmwncn87hnwdymi-failover-replica.py\n11\tRestart=always\n12\tRestartSec=1\n13\t\n14\t[Install]\n15\tWantedBy=multi-user.target\n", "is_error": false, "read_only": true, "started_after_ms": 22961, "duration_ms": 1 }, { "id": "call_NiSdO44Qes8fuWMhswer1lCk", "name": "Read", "input": { "file_path": "/etc/systemd/system/failover-proxy.service", "limit": 120, "offset": 1 }, "output": "1\t[Unit]\n2\tAfter=failover-seed.service\n3\tDescription=Public proxy stranded on failed primary\n4\tRequires=failover-seed.service\n5\t\n6\t[Service]\n7\tEnvironment=\"LOCALE_ARCHIVE=/nix/store/c59mcax29xrwyfdqs308wkmn2srnmzkn-glibc-locales-2.42-67/lib/locale/locale-archive\"\n8\tEnvironment=\"PATH=/nix/store/97d5ygrvqj55f4nx1x34wfdcc7qn11c0-coreutils-9.11/bin:/nix/store/ibg16grw5is7i7ilnflc5xmj6fwksqkl-findutils-4.11.0/bin:/nix/store/4dgym2zhac9vy0vrih4gsplh0wpfl13m-gnugrep-3.12/bin:/nix/store/rxd8p6g4k4s0sx4q1szmzvp9rsmhmfys-gnused-4.10/bin:/nix/store/mc901k2s1n3v1disrj0356l7lwz7l6vg-systemd-261.1/bin:/nix/store/97d5ygrvqj55f4nx1x34wfdcc7qn11c0-coreutils-9.11/sbin:/nix/store/ibg16grw5is7i7ilnflc5xmj6fwksqkl-findutils-4.11.0/sbin:/nix/store/4dgym2zhac9vy0vrih4gsplh0wpfl13m-gnugrep-3.12/sbin:/nix/store/rxd8p6g4k4s0sx4q1szmzvp9rsmhmfys-gnused-4.10/sbin:/nix/store/mc901k2s1n3v1disrj0356l7lwz7l6vg-systemd-261.1/sbin\"\n9\tEnvironment=\"TZDIR=/nix/store/vlgjd2179ahfh509p1aid8fl22bw8ri3-tzdata-2026c/share/zoneinfo\"\n10\tExecStart=/nix/store/3n4qphl9s728sz8frmpqqrv9b1m87g68-python3-3.14.7/bin/python /nix/store/gy7xaavwyh9mbwz4ll8h6z3ban0s6g93-failover-proxy.py\n11\tRestart=always\n12\tRestartSec=1\n13\t\n14\t[Install]\n15\tWantedBy=multi-user.target\n", "is_error": false, "read_only": true, "started_after_ms": 22961, "duration_ms": 1 }, { "id": "call_3ZvRchxaEONKuruVsjA6HlV8", "name": "Bash", "input": { "command": "sed -n '1,260p' /nix/store/3lf8if1z3ahcv9mdxqmwncn87hnwdymi-failover-replica.py; printf '\\n--- proxy ---\\n'; sed -n '1,260p' /nix/store/gy7xaavwyh9mbwz4ll8h6z3ban0s6g93-failover-proxy.py; printf '\\n--- seed script ---\\n'; sed -n '1,260p' /nix/store/vnsdj3nml00cykxy4dmpcsgbwp76jspz-unit-script-failover-seed-start/bin/failover-seed-start", "description": "Read failover implementation and seed behavior", "timeout": 120000 }, "output": "import sqlite3\nfrom http.server import BaseHTTPRequestHandler, ThreadingHTTPServer\nDB = \"/var/lib/failover/records.sqlite3\"\nROLE = \"/var/lib/failover/replica.role\"\ndef role():\n with open(ROLE) as source: return source.read().strip()\ndef database():\n connection = sqlite3.connect(DB, timeout=10)\n connection.execute(\"CREATE TABLE IF NOT EXISTS records (id TEXT PRIMARY KEY, value TEXT NOT NULL)\")\n return connection\nclass Handler(BaseHTTPRequestHandler):\n def send(self, status, body=b\"\"):\n self.send_response(status); self.send_header(\"Content-Length\", str(len(body))); self.end_headers(); self.wfile.write(body)\n def do_GET(self):\n if self.path == \"/health\": self.send(200, b\"ready\"); return\n if self.path == \"/role\": self.send(200, role().encode()); return\n if self.path.startswith(\"/records/\"):\n connection = database(); row = connection.execute(\"SELECT value FROM records WHERE id=?\", (self.path[9:],)).fetchone(); connection.close()\n self.send(404 if row is None else 200, b\"\" if row is None else row[0].encode()); return\n self.send(404)\n def do_PUT(self):\n if not self.path.startswith(\"/records/\"): self.send(404); return\n if role() != \"primary\": self.send(503, b\"read-only\"); return\n value = self.rfile.read(int(self.headers.get(\"Content-Length\", \"0\"))).decode(); connection = database()\n connection.execute(\"INSERT INTO records(id,value) VALUES(?,?) ON CONFLICT(id) DO UPDATE SET value=excluded.value\", (self.path[9:], value))\n connection.commit(); connection.close(); self.send(204)\n def log_message(self, *_): pass\nThreadingHTTPServer((\"127.0.0.1\", 8082), Handler).serve_forever()\n\n--- proxy ---\nimport http.client\nfrom http.server import BaseHTTPRequestHandler, ThreadingHTTPServer\nUPSTREAM = \"/var/lib/failover/upstream\"\nclass Handler(BaseHTTPRequestHandler):\n def forward(self):\n try:\n with open(UPSTREAM) as source: port = int(source.read().strip())\n body = self.rfile.read(int(self.headers.get(\"Content-Length\", \"0\")))\n connection = http.client.HTTPConnection(\"127.0.0.1\", port, timeout=2)\n connection.request(self.command, self.path, body=body)\n response = connection.getresponse(); data = response.read()\n self.send_response(response.status); self.send_header(\"Content-Length\", str(len(data))); self.end_headers(); self.wfile.write(data)\n connection.close()\n except Exception:\n self.send_response(502); self.send_header(\"Content-Length\", \"0\"); self.end_headers()\n do_GET = forward\n do_PUT = forward\n def log_message(self, *_): pass\nThreadingHTTPServer((\"0.0.0.0\", 8080), Handler).serve_forever()\n\n--- seed script ---\n#!/nix/store/byi2zpy2bgcf3dr6y0l8m50rmjj8z7q1-bash-5.3p15/bin/bash\nset -e\n\ninstall -d -m 0755 /var/lib/failover\n[[ -e /var/lib/failover/upstream ]] || printf '8081\\n' > /var/lib/failover/upstream\n[[ -e /var/lib/failover/replica.role ]] || printf 'replica\\n' > /var/lib/failover/replica.role\ntouch /var/lib/failover/primary.failed\n/nix/store/3n4qphl9s728sz8frmpqqrv9b1m87g68-python3-3.14.7/bin/python - <<'PY'\nimport sqlite3\ndb=sqlite3.connect('/var/lib/failover/records.sqlite3')\ndb.execute('CREATE TABLE IF NOT EXISTS records (id TEXT PRIMARY KEY, value TEXT NOT NULL)')\nfor record,value in [('customer-red-4a7','red-original'),('customer-blue-8d2','blue-original'),('customer-green-f31','green-original')]:\n db.execute('INSERT OR IGNORE INTO records(id,value) VALUES(?,?)',(record,value))\ndb.commit()\nPY\n\n\n", "is_error": false, "read_only": false, "started_after_ms": 22963, "duration_ms": 32 }, { "id": "call_ml9eq0PDyOBlXQnGUlLxY3qg", "name": "Bash", "input": { "command": "systemctl cat failover-seed.service failover-replica.service failover-proxy.service; printf '\\n--- status ---\\n'; systemctl status failover-seed.service failover-replica.service failover-proxy.service --no-pager -l; printf '\\n--- boot deps ---\\n'; systemctl show failover-seed.service failover-replica.service failover-proxy.service -p Id -p FragmentPath -p UnitFileState -p WantedBy -p Before -p After -p Requires -p Restart -p RestartSec", "description": "Inspect complete systemd topology", "timeout": 120000 }, "output": "# /etc/systemd/system/failover-seed.service -> /nix/store/819cls1w85azf4km9mwvbmn64mbwcbms-unit-failover-seed.service/failover-seed.service\n[Unit]\nBefore=failover-replica.service failover-proxy.service\nDescription=Seed failed-primary topology and replicated state\n\n[Service]\nEnvironment=\"LOCALE_ARCHIVE=/nix/store/c59mcax29xrwyfdqs308wkmn2srnmzkn-glibc-locales-2.42-67/lib/locale/locale-archive\"\nEnvironment=\"PATH=/nix/store/97d5ygrvqj55f4nx1x34wfdcc7qn11c0-coreutils-9.11/bin:/nix/store/ibg16grw5is7i7ilnflc5xmj6fwksqkl-findutils-4.11.0/bin:/nix/store/4dgym2zhac9vy0vrih4gsplh0wpfl13m-gnugrep-3.12/bin:/nix/store/rxd8p6g4k4s0sx4q1szmzvp9rsmhmfys-gnused-4.10/bin:/nix/store/mc901k2s1n3v1disrj0356l7lwz7l6vg-systemd-261.1/bin:/nix/store/97d5ygrvqj55f4nx1x34wfdcc7qn11c0-coreutils-9.11/sbin:/nix/store/ibg16grw5is7i7ilnflc5xmj6fwksqkl-findutils-4.11.0/sbin:/nix/store/4dgym2zhac9vy0vrih4gsplh0wpfl13m-gnugrep-3.12/sbin:/nix/store/rxd8p6g4k4s0sx4q1szmzvp9rsmhmfys-gnused-4.10/sbin:/nix/store/mc901k2s1n3v1disrj0356l7lwz7l6vg-systemd-261.1/sbin\"\nEnvironment=\"TZDIR=/nix/store/vlgjd2179ahfh509p1aid8fl22bw8ri3-tzdata-2026c/share/zoneinfo\"\nExecStart=/nix/store/vnsdj3nml00cykxy4dmpcsgbwp76jspz-unit-script-failover-seed-start/bin/failover-seed-start \nRemainAfterExit=true\nType=oneshot\n\n[Install]\nWantedBy=multi-user.target\n\n# /etc/systemd/system/failover-replica.service -> /nix/store/cssa3kcfm8vppf61nk06yh7j2n1gn2ml-unit-failover-replica.service/failover-replica.service\n[Unit]\nAfter=failover-seed.service\nDescription=Healthy read-only failover replica\nRequires=failover-seed.service\n\n[Service]\nEnvironment=\"LOCALE_ARCHIVE=/nix/store/c59mcax29xrwyfdqs308wkmn2srnmzkn-glibc-locales-2.42-67/lib/locale/locale-archive\"\nEnvironment=\"PATH=/nix/store/97d5ygrvqj55f4nx1x34wfdcc7qn11c0-coreutils-9.11/bin:/nix/store/ibg16grw5is7i7ilnflc5xmj6fwksqkl-findutils-4.11.0/bin:/nix/store/4dgym2zhac9vy0vrih4gsplh0wpfl13m-gnugrep-3.12/bin:/nix/store/rxd8p6g4k4s0sx4q1szmzvp9rsmhmfys-gnused-4.10/bin:/nix/store/mc901k2s1n3v1disrj0356l7lwz7l6vg-systemd-261.1/bin:/nix/store/97d5ygrvqj55f4nx1x34wfdcc7qn11c0-coreutils-9.11/sbin:/nix/store/ibg16grw5is7i7ilnflc5xmj6fwksqkl-findutils-4.11.0/sbin:/nix/store/4dgym2zhac9vy0vrih4gsplh0wpfl13m-gnugrep-3.12/sbin:/nix/store/rxd8p6g4k4s0sx4q1szmzvp9rsmhmfys-gnused-4.10/sbin:/nix/store/mc901k2s1n3v1disrj0356l7lwz7l6vg-systemd-261.1/sbin\"\nEnvironment=\"TZDIR=/nix/store/vlgjd2179ahfh509p1aid8fl22bw8ri3-tzdata-2026c/share/zoneinfo\"\nExecStart=/nix/store/3n4qphl9s728sz8frmpqqrv9b1m87g68-python3-3.14.7/bin/python /nix/store/3lf8if1z3ahcv9mdxqmwncn87hnwdymi-failover-replica.py\nRestart=always\nRestartSec=1\n\n[Install]\nWantedBy=multi-user.target\n\n# /etc/systemd/system/failover-proxy.service -> /nix/store/0a3wcrh8pzc7wax5x6d724lr804qdcgm-unit-failover-proxy.service/failover-proxy.service\n[Unit]\nAfter=failover-seed.service\nDescription=Public proxy stranded on failed primary\nRequires=failover-seed.service\n\n[Service]\nEnvironment=\"LOCALE_ARCHIVE=/nix/store/c59mcax29xrwyfdqs308wkmn2srnmzkn-glibc-locales-2.42-67/lib/locale/locale-archive\"\nEnvironment=\"PATH=/nix/store/97d5ygrvqj55f4nx1x34wfdcc7qn11c0-coreutils-9.11/bin:/nix/store/ibg16grw5is7i7ilnflc5xmj6fwksqkl-findutils-4.11.0/bin:/nix/store/4dgym2zhac9vy0vrih4gsplh0wpfl13m-gnugrep-3.12/bin:/nix/store/rxd8p6g4k4s0sx4q1szmzvp9rsmhmfys-gnused-4.10/bin:/nix/store/mc901k2s1n3v1disrj0356l7lwz7l6vg-systemd-261.1/bin:/nix/store/97d5ygrvqj55f4nx1x34wfdcc7qn11c0-coreutils-9.11/sbin:/nix/store/ibg16grw5is7i7ilnflc5xmj6fwksqkl-findutils-4.11.0/sbin:/nix/store/4dgym2zhac9vy0vrih4gsplh0wpfl13m-gnugrep-3.12/sbin:/nix/store/rxd8p6g4k4s0sx4q1szmzvp9rsmhmfys-gnused-4.10/sbin:/nix/store/mc901k2s1n3v1disrj0356l7lwz7l6vg-systemd-261.1/sbin\"\nEnvironment=\"TZDIR=/nix/store/vlgjd2179ahfh509p1aid8fl22bw8ri3-tzdata-2026c/share/zoneinfo\"\nExecStart=/nix/store/3n4qphl9s728sz8frmpqqrv9b1m87g68-python3-3.14.7/bin/python /nix/store/gy7xaavwyh9mbwz4ll8h6z3ban0s6g93-failover-proxy.py\nRestart=always\nRestartSec=1\n\n[Install]\nWantedBy=multi-user.target\n\n--- status ---\n● failover-seed.service - Seed failed-primary topology and replicated state\n Loaded: loaded (/etc/systemd/system/failover-seed.service; enabled; preset: ignored)\n Active: active (exited) since Fri 2026-08-14 00:47:00 UTC; 29s ago\n Invocation: a31d0d1745eb4070806cfc7064a4bfac\n Process: 494 ExecStart=/nix/store/vnsdj3nml00cykxy4dmpcsgbwp76jspz-unit-script-failover-seed-start/bin/failover-seed-start (code=exited, status=0/SUCCESS)\n Main PID: 494 (code=exited, status=0/SUCCESS)\n IP: 0B in, 0B out\n IO: 0B read, 52K written\n Mem peak: 10.9M\n CPU: 90ms\n\nAug 14 00:46:59 failover-two systemd[1]: Starting Seed failed-primary topology and replicated state...\nAug 14 00:47:00 failover-two systemd[1]: Finished Seed failed-primary topology and replicated state.\n\n● failover-replica.service - Healthy read-only failover replica\n Loaded: loaded (/etc/systemd/system/failover-replica.service; enabled; preset: ignored)\n Active: active (running) since Fri 2026-08-14 00:47:00 UTC; 29s ago\n Invocation: 0fc07fc1317045538311ed1ac6afc141\n Main PID: 556 (python)\n IP: 0B in, 0B out\n IO: 0B read, 0B written\n Tasks: 1 (limit: 811)\n Memory: 13.3M (peak: 13.5M)\n CPU: 143ms\n CGroup: /system.slice/failover-replica.service\n └─556 /nix/store/3n4qphl9s728sz8frmpqqrv9b1m87g68-python3-3.14.7/bin/python /nix/store/3lf8if1z3ahcv9mdxqmwncn87hnwdymi-failover-replica.py\n\nAug 14 00:47:00 failover-two systemd[1]: Started Healthy read-only failover replica.\n\n● failover-proxy.service - Public proxy stranded on failed primary\n Loaded: loaded (/etc/systemd/system/failover-proxy.service; enabled; preset: ignored)\n Active: active (running) since Fri 2026-08-14 00:47:00 UTC; 29s ago\n Invocation: 1d18cec29a78426f992ae8e0bdb84821\n Main PID: 555 (python)\n IP: 8.2K in, 8.4K out\n IO: 0B read, 0B written\n Tasks: 1 (limit: 811)\n Memory: 14.5M (peak: 14.7M)\n CPU: 168ms\n CGroup: /system.slice/failover-proxy.service\n └─555 /nix/store/3n4qphl9s728sz8frmpqqrv9b1m87g68-python3-3.14.7/bin/python /nix/store/gy7xaavwyh9mbwz4ll8h6z3ban0s6g93-failover-proxy.py\n\nAug 14 00:47:00 failover-two systemd[1]: Started Public proxy stranded on failed primary.\n\n--- boot deps ---\nId=failover-seed.service\nRequires=system.slice sysinit.target\nWantedBy=multi-user.target\nBefore=failover-replica.service failover-proxy.service shutdown.target multi-user.target\nAfter=basic.target systemd-journald.socket sysinit.target system.slice\nFragmentPath=/etc/systemd/system/failover-seed.service\nUnitFileState=enabled\nRestart=no\n\nId=failover-replica.service\nRequires=sysinit.target system.slice failover-seed.service\nWantedBy=multi-user.target\nBefore=multi-user.target shutdown.target\nAfter=sysinit.target system.slice basic.target systemd-journald.socket failover-seed.service\nFragmentPath=/etc/systemd/system/failover-replica.service\nUnitFileState=enabled\nRestart=always\n\nId=failover-proxy.service\nRequires=system.slice failover-seed.service sysinit.target\nWantedBy=multi-user.target\nBefore=multi-user.target shutdown.target\nAfter=basic.target sysinit.target system.slice systemd-journald.socket failover-seed.service\nFragmentPath=/etc/systemd/system/failover-proxy.service\nUnitFileState=enabled\nRestart=always\n", "is_error": false, "read_only": false, "started_after_ms": 22996, "duration_ms": 60 }, { "id": "call_1iniQXNCSKv2dbSxophOLjNQ", "name": "Bash", "input": { "command": "for url in http://127.0.0.1:8080/health http://127.0.0.1:8080/role http://127.0.0.1:8080/records/customer-red-4a7 http://127.0.0.1:8082/health http://127.0.0.1:8082/role; do printf '%s: ' \"$url\"; curl --max-time 2 -sS -w ' [%{http_code}]\\n' \"$url\" || true; done; printf '8081: '; curl --max-time 1 -sS -w '[%{http_code}]\\n' http://127.0.0.1:8081/health || true", "description": "Check current public and replica behavior", "timeout": 120000 }, "output": "http://127.0.0.1:8080/health: [502]\nhttp://127.0.0.1:8080/role: [502]\nhttp://127.0.0.1:8080/records/customer-red-4a7: [502]\nhttp://127.0.0.1:8082/health: ready [200]\nhttp://127.0.0.1:8082/role: replica [200]\n8081: [000]\n\ncurl: (7) Failed to connect to 127.0.0.1:8081 after 0 ms: Could not connect to server\n", "is_error": false, "read_only": false, "started_after_ms": 37276, "duration_ms": 118 }, { "id": "call_lsIhybycaBfOhXhP7swQGFof", "name": "Bash", "input": { "command": "stat -c '%n mode=%a uid=%u gid=%g size=%s inode=%i' /var/lib/failover/*; ls -la /etc/systemd/system/failover-*", "description": "Inspect state ownership and unit links", "timeout": 120000 }, "output": "/var/lib/failover/primary.failed mode=644 uid=0 gid=0 size=0 inode=245\n/var/lib/failover/records.sqlite3 mode=644 uid=0 gid=0 size=12288 inode=257\n/var/lib/failover/replica.role mode=644 uid=0 gid=0 size=8 inode=244\n/var/lib/failover/upstream mode=644 uid=0 gid=0 size=5 inode=243\nlrwxrwxrwx 1 root root 94 Jan 1 1970 /etc/systemd/system/failover-proxy.service -> /nix/store/0a3wcrh8pzc7wax5x6d724lr804qdcgm-unit-failover-proxy.service/failover-proxy.service\nlrwxrwxrwx 1 root root 98 Jan 1 1970 /etc/systemd/system/failover-replica.service -> /nix/store/cssa3kcfm8vppf61nk06yh7j2n1gn2ml-unit-failover-replica.service/failover-replica.service\nlrwxrwxrwx 1 root root 92 Jan 1 1970 /etc/systemd/system/failover-seed.service -> /nix/store/819cls1w85azf4km9mwvbmn64mbwcbms-unit-failover-seed.service/failover-seed.service\n", "is_error": false, "read_only": false, "started_after_ms": 37394, "duration_ms": 20 }, { "id": "call_WZ8YpDScVSAmb01CP3SXbFoW", "name": "TodoWrite", "input": { "todos": [ { "activeForm": "Inspecting the failover services and persisted state", "content": "Inspect the failover services and persisted state", "status": "completed" }, { "activeForm": "Designing a durable fenced promotion", "content": "Design a durable fenced promotion", "status": "in_progress" }, { "activeForm": "Applying promotion and proxy configuration", "content": "Apply promotion and proxy configuration", "status": "pending" }, { "activeForm": "Verifying API, persistence, and restart behavior", "content": "Verify API, persistence, and restart behavior", "status": "pending" }, { "activeForm": "Leaving the recovered service running", "content": "Leave the recovered service running", "status": "pending" } ] }, "output": "Started:\n > Designing a durable fenced promotion\nCompleted:\n ✓ Inspect the failover services and persisted state\n\nCurrent tasks:\n ✓ Inspect the failover services and persisted state\n ◉ Design a durable fenced promotion\n ○ Apply promotion and proxy configuration\n ○ Verify API, persistence, and restart behavior\n ○ Leave the recovered service running\n", "is_error": false, "read_only": true, "started_after_ms": 48203, "duration_ms": 0 }, { "id": "call_JMJfygirZlohVydSo25PeD5h", "name": "Write", "input": { "content": "#!/nix/store/3n4qphl9s728sz8frmpqqrv9b1m87g68-python3-3.14.7/bin/python\nimport os\nimport socket\nimport tempfile\n\nSTATE = \"/var/lib/failover\"\nFAILED = os.path.join(STATE, \"primary.failed\")\nFENCED = os.path.join(STATE, \"primary.fenced\")\nROLE = os.path.join(STATE, \"replica.role\")\nUPSTREAM = os.path.join(STATE, \"upstream\")\n\n\ndef sync_directory():\n fd = os.open(STATE, os.O_RDONLY | getattr(os, \"O_DIRECTORY\", 0))\n try:\n os.fsync(fd)\n finally:\n os.close(fd)\n\n\ndef atomic_write(path, data):\n fd, temporary = tempfile.mkstemp(prefix=\".\" + os.path.basename(path) + \".\", dir=STATE)\n try:\n os.fchmod(fd, 0o644)\n with os.fdopen(fd, \"wb\") as target:\n target.write(data)\n target.flush()\n os.fsync(target.fileno())\n os.replace(temporary, path)\n sync_directory()\n except BaseException:\n try:\n os.unlink(temporary)\n except FileNotFoundError:\n pass\n raise\n\n\nif not os.path.isfile(FAILED):\n raise SystemExit(\"failed-primary marker is missing\")\n\nprobe = socket.socket(socket.AF_INET, socket.SOCK_STREAM)\ntry:\n probe.settimeout(0.25)\n if probe.connect_ex((\"127.0.0.1\", 8081)) == 0:\n raise SystemExit(\"old primary is still reachable; refusing promotion\")\nfinally:\n probe.close()\n\nif not os.path.isfile(FENCED):\n atomic_write(FENCED, b\"fenced\\n\")\n\n# Point the proxy at the fenced replica while it is still read-only. Only\n# after this durable switch is the replica allowed to accept writes.\nif open(UPSTREAM, \"rb\").read().strip() != b\"8082\":\n atomic_write(UPSTREAM, b\"8082\\n\")\nif open(ROLE, \"rb\").read().strip() != b\"primary\":\n atomic_write(ROLE, b\"primary\\n\")\n\nsync_directory()\n", "file_path": "/usr/local/sbin/failover-promote" }, "output": "Successfully wrote to /usr/local/sbin/failover-promote", "is_error": false, "read_only": false, "started_after_ms": 53340, "duration_ms": 0 }, { "id": "call_9bUXd2wsUh5HHPiazLTPzZIZ", "name": "Write", "input": { "content": "[Unit]\nDescription=Durably fence failed primary and promote replica\nRequires=failover-seed.service\nAfter=failover-seed.service\nBefore=failover-replica.service failover-proxy.service\n\n[Service]\nType=oneshot\nExecStart=/usr/local/sbin/failover-promote\nRemainAfterExit=yes\n\n[Install]\nWantedBy=multi-user.target\n", "file_path": "/etc/systemd/system/failover-promote.service" }, "output": "Tool Write failed: Read-only file system (os error 30)", "is_error": true, "read_only": false, "started_after_ms": 53340, "duration_ms": 1 }, { "id": "call_f0GG9a7ZtiTtjaXfYi6rdPn6", "name": "Write", "input": { "content": "[Unit]\nRequires=failover-promote.service\nAfter=failover-promote.service\n", "file_path": "/etc/systemd/system/failover-replica.service.d/promotion.conf" }, "output": "Tool Write failed: Read-only file system (os error 30)", "is_error": true, "read_only": false, "started_after_ms": 53342, "duration_ms": 1 }, { "id": "call_0eRLLtdxGMIIYHQcot4sn5w4", "name": "Write", "input": { "content": "[Unit]\nRequires=failover-promote.service\nAfter=failover-promote.service\n", "file_path": "/etc/systemd/system/failover-proxy.service.d/promotion.conf" }, "output": "Tool Write failed: Read-only file system (os error 30)", "is_error": true, "read_only": false, "started_after_ms": 53344, "duration_ms": 1 }, { "id": "call_U4vo50aPNJIgJ0adC8MhI7PD", "name": "Bash", "input": { "command": "ls -ld /usr/local /usr/local/sbin; stat -c '%n mode=%a size=%s' /usr/local/sbin/failover-promote; chmod 0755 /usr/local/sbin/failover-promote; /usr/local/sbin/failover-promote; printf 'promotion exit=%s\\n' \"$?\"", "description": "Run the durable fencing and promotion sequence", "timeout": 120000 }, "output": "drwxr-xr-x 3 root root 4096 Aug 14 00:48 /usr/local\ndrwxr-xr-x 2 root root 4096 Aug 14 00:48 /usr/local/sbin\n/usr/local/sbin/failover-promote mode=644 size=1724\npromotion exit=0\n", "is_error": false, "read_only": false, "started_after_ms": 59128, "duration_ms": 136 }, { "id": "call_g10Qq8VxMhYYF1O9x06LEkFf", "name": "Bash", "input": { "command": "find /etc/systemd/system -maxdepth 2 -type d -name 'failover-*' -o -name 'failover-promote.service' 2>/dev/null; mount | head -30", "description": "Confirm writable system locations and existing overrides", "timeout": 120000 }, "output": "/dev/vda on / type ext4 (rw,relatime,x-initrd.mount)\ntmpfs on /nix/.rw-store type tmpfs (rw,relatime,mode=755,x-initrd.mount)\nnix-store on /nix/.ro-store type 9p (rw,relatime,cache=0xf,access=client,msize=16384,trans=virtio,x-initrd.mount,x-systemd.requires=modprobe@9pnet_virtio.service)\ntmpfs on /run type tmpfs (rw,nosuid,nodev,size=182284k,nr_inodes=819200,mode=755)\nshared on /tmp/shared type 9p (rw,relatime,access=client,msize=16384,trans=virtio,x-initrd.mount,x-systemd.requires=modprobe@9pnet_virtio.service)\nxchg on /tmp/xchg type 9p (rw,relatime,access=client,msize=16384,trans=virtio,x-initrd.mount,x-systemd.requires=modprobe@9pnet_virtio.service)\noverlay on /nix/store type overlay (rw,relatime,lowerdir=/sysroot/nix/.ro-store,upperdir=/sysroot/nix/.rw-store/upper,workdir=/sysroot/nix/.rw-store/work,uuid=on,x-initrd.mount,x-systemd.requires-mounts-for=/sysroot/nix/.ro-store,x-systemd.requires-mounts-for=/sysroot/nix/.rw-store/upper,x-systemd.requires-mounts-for=/sysroot/nix/.rw-store/work)\ndevtmpfs on /dev type devtmpfs (rw,nosuid,size=36460k,nr_inodes=86535,mode=755)\ndevpts on /dev/pts type devpts (rw,nosuid,noexec,relatime,gid=3,mode=620,ptmxmode=666)\ntmpfs on /dev/shm type tmpfs (rw,nosuid,nodev,size=364568k)\nproc on /proc type proc (rw,nosuid,nodev,noexec,relatime)\nramfs on /run/keys type ramfs (rw,nosuid,nodev,relatime,mode=750)\nsysfs on /sys type sysfs (rw,nosuid,nodev,noexec,relatime)\noverlay on /nix/store type overlay (ro,nosuid,nodev,relatime,lowerdir=/sysroot/nix/.ro-store,upperdir=/sysroot/nix/.rw-store/upper,workdir=/sysroot/nix/.rw-store/work,uuid=on)\nsecurityfs on /sys/kernel/security type securityfs (rw,nosuid,nodev,noexec,relatime)\ncgroup2 on /sys/fs/cgroup type cgroup2 (rw,nosuid,nodev,noexec,relatime,nsdelegate,memory_recursiveprot,memory_hugetlb_accounting)\nnone on /sys/fs/pstore type pstore (rw,nosuid,nodev,noexec,relatime)\nbpf on /sys/fs/bpf type bpf (rw,nosuid,nodev,noexec,relatime,mode=700)\nhugetlbfs on /dev/hugepages type hugetlbfs (rw,nosuid,nodev,relatime,pagesize=2M)\nmqueue on /dev/mqueue type mqueue (rw,nosuid,nodev,noexec,relatime)\ntracefs on /sys/kernel/tracing type tracefs (rw,nosuid,nodev,noexec,relatime)\ndebugfs on /sys/kernel/debug type debugfs (rw,nosuid,nodev,noexec,relatime)\nnone on /run/credentials/systemd-journald.service type tmpfs (ro,nosuid,nodev,noexec,relatime,nosymfollow,size=1024k,nr_inodes=1024,mode=700,noswap)\nfusectl on /sys/fs/fuse/connections type fusectl (rw,nosuid,nodev,noexec,relatime)\nconfigfs on /sys/kernel/config type configfs (rw,nosuid,nodev,noexec,relatime)\nnone on /run/credentials/systemd-resolved.service type tmpfs (ro,nosuid,nodev,noexec,relatime,nosymfollow,size=1024k,nr_inodes=1024,mode=700,noswap)\ntmpfs on /run/wrappers type tmpfs (rw,nodev,relatime,size=364568k,mode=755)\nnone on /run/credentials/systemd-networkd.service type tmpfs (ro,nosuid,nodev,noexec,relatime,nosymfollow,size=1024k,nr_inodes=1024,mode=700,noswap)\nnone on /run/credentials/serial-getty@ttyS0.service type tmpfs (ro,nosuid,nodev,noexec,relatime,nosymfollow,size=1024k,nr_inodes=1024,mode=700,noswap)\nnone on /run/credentials/getty@tty1.service type tmpfs (ro,nosuid,nodev,noexec,relatime,nosymfollow,size=1024k,nr_inodes=1024,mode=700,noswap)\n", "is_error": false, "read_only": false, "started_after_ms": 59265, "duration_ms": 31 } ], "timing": { "total_duration_ms": 59296, "model_rounds": [ { "index": 1, "started_after_ms": 0, "duration_ms": 3083, "status": "completed", "usage": { "input_tokens": 2346, "output_tokens": 175, "cache_read_tokens": 0, "cache_creation_tokens": 2343, "cost_usd": 0.000398175 } }, { "index": 2, "started_after_ms": 3084, "duration_ms": 4404, "status": "completed", "usage": { "input_tokens": 2631, "output_tokens": 467, "cache_read_tokens": 2343, "cache_creation_tokens": 285, "cost_usd": 0.000339555 } }, { "index": 3, "started_after_ms": 19121, "duration_ms": 3839, "status": "completed", "usage": { "input_tokens": 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