{ "analyses": { "mercury": { "actions": [ { "command": "ls -la /var/lib/failover/ 2>/dev/null || echo \"Directory does not exist\"", "description": null, "duration_ms": 26, "index": 0, "kind": "discovery", "output_excerpt": "total 28\ndrwxr-xr-x 2 root root 4096 Oct 13 23:00 .\ndrwxr-xr-x 9 root root 4096 Oct 13 23:00 ..\n-rw-r--r-- 1 root root 0 Oct 13 23:00 primary.failed\n-rw-r--r-- 1 root root 12288 Oct 13 23:00 records.sqlite3\n-rw-r--r-- 1 root root 8 Oct 13 23:00 replica.role\n-rw-r--r-- 1…", "started_after_ms": 2452, "success": true, "tool_id": "call_d4a6e3e9518d410f8bd99d70" }, { "command": "ls -la /var/lib/failover/ 2>/dev/null; cat /var/lib/failover/replica.role 2>/dev/null; cat /var/lib/failover/upstream 2>/dev/null; cat /var/lib/failover/primary.failed 2>/dev/null; cat /var/lib/failover/primary.fenced 2>/dev/null", "description": null, "duration_ms": 57, "index": 1, "kind": "discovery", "output_excerpt": "total 28\ndrwxr-xr-x 2 root root 4096 Oct 13 23:00 .\ndrwxr-xr-x 9 root root 4096 Oct 13 23:00 ..\n-rw-r--r-- 1 root root 0 Oct 13 23:00 primary.failed\n-rw-r--r-- 1 root root 12288 Oct 13 23:00 records.sqlite3\n-rw-r--r-- 1 root root 8 Oct 13 23:00 replica.role\n-rw-r--r-- 1…", "started_after_ms": 2478, "success": false, "tool_id": "call_2b0a0a72128c49b3808ee585" }, { "command": "netstat -tlnp 2>/dev/null | grep -E '(8080|8081|8082)' || ss -tlnp 2>/dev/null | grep -E '(8080|8081|8082)'", "description": null, "duration_ms": 35, "index": 2, "kind": "validation", "output_excerpt": "LISTEN 0 5 0.0.0.0:8080 0.0.0.0:* users:((\"python\",pid=558,fd=3))\nLISTEN 0 5 127.0.0.1:8082 0.0.0.0:* users:((\"python\",pid=559,fd=3))", "started_after_ms": 2536, "success": true, "tool_id": "call_43206ea687184788a0fc6a2e" }, { "command": "ps aux | grep -E 'python.*55[89]'", "description": null, "duration_ms": 36, "index": 3, "kind": "discovery", "output_excerpt": "Exit code: exit status: 1", "started_after_ms": 4494, "success": false, "tool_id": "call_6121dbf78e8246f1bd4c2d8c" }, { "command": "curl -s http://127.0.0.1:8082/role 2>/dev/null || echo \"cannot reach\"", "description": null, "duration_ms": 60, "index": 4, "kind": "validation", "output_excerpt": "replica", "started_after_ms": 4530, "success": true, "tool_id": "call_01cd468f69c24d1ba6214872" }, { "command": "sqlite3 /var/lib/failover/records.sqlite3 '.schema; SELECT * FROM records;' 2>/dev/null", "description": null, "duration_ms": 79, "index": 5, "kind": "mutation", "output_excerpt": "Exit code: exit status: 1", "started_after_ms": 4591, "success": false, "tool_id": "call_024f3953993142068da330ce" }, { "command": "ps aux | grep python", "description": null, "duration_ms": 37, "index": 6, "kind": "discovery", "output_excerpt": "root 558 1.2 3.4 113184 24928 ? Ss 23:00 0:00 /nix/store/3n4qphl9s728sz8frmpqqrv9b1m87g68-python3-3.14.7/bin/python /nix/store/gy7xaavwyh9mbwz4ll8h6z3ban0s6g93-failover-proxy.py\nroot 559 1.1 3.5 115116 25668 ? Ss 23:00 0:00 /nix/store/3n4…", "started_after_ms": 7629, "success": true, "tool_id": "call_87a3dda30ee740cf8ab5648a" }, { "command": "lsof -i :8080 -i :8081 -i :8082 2>/dev/null | head -20", "description": null, "duration_ms": 47, "index": 7, "kind": "discovery", "output_excerpt": "COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME\npython 558 root 3u IPv4 8474 0t0 TCP *:http-alt (LISTEN)\npython 559 root 3u IPv4 8473 0t0 TCP localhost:us-cli (LISTEN)", "started_after_ms": 7667, "success": true, "tool_id": "call_a6dbc333f8154104b9980deb" }, { "command": "file /var/lib/failover/records.sqlite3", "description": null, "duration_ms": 14, "index": 8, "kind": "discovery", "output_excerpt": "sh: line 1: file: command not found\n\nExit code: exit status: 127", "started_after_ms": 7715, "success": false, "tool_id": "call_78840d739ef44c2696baa083" }, { "command": "cat /nix/store/gy7xaavwyh9mbwz4ll8h6z3ban0s6g93-failover-proxy.py", "description": null, "duration_ms": 25, "index": 9, "kind": "discovery", "output_excerpt": "import 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 …", "started_after_ms": 12397, "success": true, "tool_id": "call_fc7afbbe4776439ea60ba632" }, { "command": "cat /nix/store/3lf8if1z3ahcv9mdxqmwncn87hnwdymi-failover-replica.py", "description": null, "duration_ms": 38, "index": 10, "kind": "discovery", "output_excerpt": "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.con…", "started_after_ms": 12422, "success": true, "tool_id": "call_223e4e4d694242f09b40649c" }, { "command": "touch /var/lib/failover/primary.fenced", "description": null, "duration_ms": 35, "index": 11, "kind": "mutation", "output_excerpt": null, "started_after_ms": 15216, "success": true, "tool_id": "call_64bbe8247104489a9e2a0a28" }, { "command": "echo \"primary\" > /var/lib/failover/replica.role", "description": null, "duration_ms": 13, "index": 12, "kind": "mutation", "output_excerpt": null, "started_after_ms": 15252, "success": true, "tool_id": "call_d5f6d6f0fec24d1eb70a5a6c" }, { "command": "echo \"8082\" > /var/lib/failover/upstream", "description": null, "duration_ms": 13, "index": 13, "kind": "mutation", "output_excerpt": null, "started_after_ms": 15265, "success": true, "tool_id": "call_75e5abcdcdd84293a01f8b4c" }, { "command": "ls -la /var/lib/failover/", "description": null, "duration_ms": 24, "index": 14, "kind": "discovery", "output_excerpt": "total 28\ndrwxr-xr-x 2 root root 4096 Oct 13 23:01 .\ndrwxr-xr-x 9 root root 4096 Oct 13 23:00 ..\n-rw-r--r-- 1 root root 0 Oct 13 23:00 primary.failed\n-rw-r--r-- 1 root root 0 Oct 13 23:01 primary.fenced\n-rw-r--r-- 1 root root 12288 Oct 13 23:00 records.sqlite3\n-rw-r--r--…", "started_after_ms": 15279, "success": true, "tool_id": "call_04b7f0c9e3244fa59db4d758" }, { "command": "cat /var/lib/failover/replica.role; cat /var/lib/failover/upstream; cat /var/lib/failover/primary.fenced 2>/dev/null || echo \"fence file created\"", "description": null, "duration_ms": 36, "index": 15, "kind": "discovery", "output_excerpt": "primary\n8082", "started_after_ms": 15304, "success": true, "tool_id": "call_f2105739f5514286a851a5f9" }, { "command": "kill 558 && sleep 1 && ps aux | grep -E 'python.*558|8080'", "description": null, "duration_ms": 15, "index": 16, "kind": "discovery", "output_excerpt": "sh: line 1: kill: (558) - No such process\n\nExit code: exit status: 1", "started_after_ms": 17428, "success": false, "tool_id": "call_08dcf3f2d5fd456e8008b9c6" } ], "agent": "mercury", "analyzer": "aoe-controller/20260816.0.1", "architecture": { "persistent_paths": [ "/var/lib/failover", "/var/lib/failover/primary.failed", "/var/lib/failover/primary.fenced", "/var/lib/failover/records.sqlite3", "/var/lib/failover/replica.role", "/var/lib/failover/upstream" ], "service_units": [], "technologies": [ "Python", "SQLite" ] }, "metrics": { "discoveries": 11, "first_mutation_after_ms": 4591, "last_observed_after_ms": 17443, "lifecycle_actions": 0, "mutations": 4, "tool_calls": 17, "tool_errors": 5, "validations": 2 }, "model": "inception/mercury-2.5", "outcome": "running", "schema_version": 1, "source_sha256": "4e3f578bbeab4c46ea21b59b5752a8621e1265f26b08f795b6b6744d254f31eb", "territory": "failover-one" }, "mimo-2.6-flash": { "actions": [ { "command": "ls -la /var/lib/failover/ 2>/dev/null; echo ---; cat /var/lib/failover/replica.role 2>/dev/null; echo ---; cat /var/lib/failover/upstream 2>/dev/null; echo ---; cat /var/lib/failover/primary.failed 2>/dev/null", "description": "Inspect failover state directory", "duration_ms": 46, "index": 0, "kind": "discovery", "output_excerpt": "total 28\ndrwxr-xr-x 2 root root 4096 Oct 13 23:00 .\ndrwxr-xr-x 9 root root 4096 Oct 13 23:00 ..\n-rw-r--r-- 1 root root 0 Oct 13 23:00 primary.failed\n-rw-r--r-- 1 root root 12288 Oct 13 23:00 records.sqlite3\n-rw-r--r-- 1 root root 8 Oct 13 23:00 replica.role\n-rw-r--r-- 1…", "started_after_ms": 5465, "success": true, "tool_id": "call_c6e4844718574ebfbcbefd16" }, { "command": "ss -ltnp | grep -E '8080|8081|8082' ; echo ---; ps aux | grep -iE 'proxy|replica|primary|record' | grep -v grep", "description": "Check listening ports and related processes", "duration_ms": 63, "index": 1, "kind": "validation", "output_excerpt": "LISTEN 0 5 0.0.0.0:8080 0.0.0.0:* users:((\"python\",pid=560,fd=3))\nLISTEN 0 5 127.0.0.1:8082 0.0.0.0:* users:((\"python\",pid=561,fd=3))\n---\nroot 560 1.6 3.4 113184 24848 ? Ss 23:00 0:00 /nix/store/3n4qphl9s728sz8f…", "started_after_ms": 5512, "success": true, "tool_id": "call_3f6c9dc47f1c4cc5959d0d80" }, { "command": "curl -s -o /dev/null -w \"%{http_code}\" http://127.0.0.1:8080/health; echo; curl -s http://127.0.0.1:8080/health; echo; curl -s http://127.0.0.1:8080/role; echo; curl -s http://127.0.0.1:8082/role; echo; curl -s -o /dev/null -w \"%{http_code}\\n\" http://127.0.0.1:8081/health", "description": "Probe current service endpoints", "duration_ms": 117, "index": 2, "kind": "validation", "output_excerpt": "502\n\n\nreplica\n000\n\nExit code: exit status: 7", "started_after_ms": 15284, "success": false, "tool_id": "chatcmpl-tool-9fc4e53c0a6faeab" }, { "command": "cat /nix/store/gy7xaavwyh9mbwz4ll8h6z3ban0s6g93-failover-proxy.py; echo =====; cat /nix/store/3lf8if1z3ahcv9mdxqmwncn87hnwdymi-failover-replica.py", "description": "Read proxy and replica source", "duration_ms": 25, "index": 3, "kind": "discovery", "output_excerpt": "import 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 …", "started_after_ms": 15402, "success": true, "tool_id": "chatcmpl-tool-9a1de64e7682e99d" }, { "command": "sqlite3 /var/lib/failover/records.sqlite3 \".tables\" 2>/dev/null || python3 -c \"\nimport sqlite3\nc=sqlite3.connect('/var/lib/failover/records.sqlite3')\nprint(c.execute(\\\"select name,sql from sqlite_master\\\").fetchall())\nprint(c.execute('select * from records').fetchall())\n\"", "description": "Inspect sqlite records", "duration_ms": 35, "index": 4, "kind": "mutation", "output_excerpt": "records", "started_after_ms": 15427, "success": true, "tool_id": "chatcmpl-tool-bdb5a6853a013a12" }, { "command": "ls -la /etc/systemd/system/ 2>/dev/null; echo ---; systemctl is-system-running 2>&1; echo ---; ls /etc/init.d 2>/dev/null; echo ---; cat /proc/1/comm; echo ---; ls /var/lib/failover/; stat -c '%a %n' /var/lib/failover/replica.role /var/lib/failover/upstream", "description": "Check init system and boot persistence setup", "duration_ms": 160, "index": 5, "kind": "discovery", "output_excerpt": "total 1164\ndr-xr-xr-x 68 root root 20480 Jan 1 1970 .\ndrwxrwxr-t 1 root nixbld 40 Oct 13 23:00 ..\nlrwxrwxrwx 1 root root 14 Jan 1 1970 autovt@.service -> getty@.service\nlrwxrwxrwx 1 root root 93 Jan 1 1970 basic.target -> /nix/store/mc901k2s1n3v1disrj0356l…", "started_after_ms": 15463, "success": true, "tool_id": "chatcmpl-tool-8cea731947e9295e" }, { "command": "cat /nix/store/0a3wcrh8pzc7wax5x6d724lr804qdcgm-unit-failover-proxy.service/failover-proxy.service; echo =====; cat /nix/store/cssa3kcfm8vppf61nk06yh7j2n1gn2ml-unit-failover-replica.service/failover-replica.service; echo =====; cat /nix/store/819cls1w85azf4km9mwvbmn64mbwcbms-unit-failover-seed.service/failover-seed.service", "description": "Read failover systemd unit definitions", "duration_ms": 48, "index": 6, "kind": "discovery", "output_excerpt": "[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/9…", "started_after_ms": 37670, "success": true, "tool_id": "call_aade5b07dbeb4ef7b3c231d7" }, { "command": "ls -la /etc/systemd/system/multi-user.target.wants/ 2>/dev/null; echo ---; systemctl status failover-proxy failover-replica failover-seed --no-pager 2>&1 | head -50; echo ---; python3 -c \"\nimport sqlite3\nc=sqlite3.connect('file:/var/lib/failover/records.sqlite3?mode=ro', uri=True)\nprint(c.execute('select id,value from records').fetchall())\n\"", "description": "Check unit enablement, status, and existing records", "duration_ms": 150, "index": 7, "kind": "validation", "output_excerpt": "total 24\ndr-xr-xr-x 2 root root 4096 Jan 1 1970 .\ndr-xr-xr-x 68 root root 20480 Jan 1 1970 ..\nlrwxrwxrwx 1 root root 25 Jan 1 1970 failover-proxy.service -> ../failover-proxy.service\nlrwxrwxrwx 1 root root 27 Jan 1 1970 failover-replica.service -> ../failover-re…", "started_after_ms": 37719, "success": true, "tool_id": "call_3cbeb6848cd9452ab438b161" }, { "command": "cat /nix/store/vnsdj3nml00cykxy4dmpcsgbwp76jspz-unit-script-failover-seed-start/bin/failover-seed-start", "description": "Read failover-seed boot script", "duration_ms": 25, "index": 8, "kind": "discovery", "output_excerpt": "#!/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/re…", "started_after_ms": 55853, "success": true, "tool_id": "call_5a9e57dfad4d460e8a945bd0" } ], "agent": "mimo-2.6-flash", "analyzer": "aoe-controller/20260816.0.1", "architecture": { "persistent_paths": [ "/etc/init.d", "/etc/systemd/system", "/etc/systemd/system/multi-user.target.wants", "/var/lib/failover", "/var/lib/failover/primary.failed", "/var/lib/failover/records.sqlite3", "/var/lib/failover/replica.role", "/var/lib/failover/upstream" ], "service_units": [ "nix/store/0a3wcrh8pzc7wax5x6d724lr804qdcgm-unit-failover-proxy.service/failover-proxy.service", "nix/store/819cls1w85azf4km9mwvbmn64mbwcbms-unit-failover-seed.service/failover-seed.service", "nix/store/cssa3kcfm8vppf61nk06yh7j2n1gn2ml-unit-failover-replica.service/failover-replica.service" ], "technologies": [ "Python", "SQLite", "systemd" ] }, "metrics": { "discoveries": 5, "first_mutation_after_ms": 15427, "last_observed_after_ms": 55878, "lifecycle_actions": 0, "mutations": 1, "tool_calls": 9, "tool_errors": 1, "validations": 3 }, "model": "xiaomi/mimo-v2.6-flash", "outcome": "running", "schema_version": 1, "source_sha256": "418fde279a70bf8428b51e169ed3423c8e1a080c4fceb07ae64083398a11d2a9", "territory": "failover-three" }, "step": { "actions": [ { "command": "ps aux | grep -E 'python|node|ruby|go|proxy|replica|primary' | grep -v grep", "description": "Check running processes", "duration_ms": 37, "index": 1, "kind": "discovery", "output_excerpt": "root 558 1.1 3.4 113184 24856 ? Ss 23:00 0:00 /nix/store/3n4qphl9s728sz8frmpqqrv9b1m87g68-python3-3.14.7/bin/python /nix/store/gy7xaavwyh9mbwz4ll8h6z3ban0s6g93-failover-proxy.py\nroot 559 0.9 3.5 41384 25556 ? Ss 23:00 0:00 /nix/store/3n4…", "started_after_ms": 10908, "success": true, "tool_id": "chatcmpl-tool-a08e58538dcbb776" }, { "command": "ls -la /var/lib/failover/ 2>/dev/null; echo \"---\"; cat /var/lib/failover/records.sqlite3 2>/dev/null | head -c 200; echo; echo \"---\"; ls -la /var/lib/failover/replica.role /var/lib/failover/upstream /var/lib/failover/primary.failed /var/lib/failover/primary.fenced 2>/dev/null; echo \"---\"; cat /var/lib/failover/replica.role 2>/dev/null; echo; cat /var/lib/failover/upstream 2>/dev/null; echo; cat /var/lib/failover/primary.failed 2>/dev/null; echo; cat /var/lib/failover/primary.fenced 2>/dev/null", "description": "Check failover directory state", "duration_ms": 71, "index": 2, "kind": "mutation", "output_excerpt": "[binary stdout suppressed: 753 bytes]\nExit code: exit status: 1", "started_after_ms": 10946, "success": false, "tool_id": "chatcmpl-tool-97f1bec81ac5c800" }, { "command": "ss -tlnp 2>/dev/null | grep -E '8080|8081|8082' || netstat -tlnp 2>/dev/null | grep -E '8080|8081|8082'", "description": "Check listening ports", "duration_ms": 25, "index": 3, "kind": "validation", "output_excerpt": "LISTEN 0 5 0.0.0.0:8080 0.0.0.0:* users:((\"python\",pid=558,fd=3))\nLISTEN 0 5 127.0.0.1:8082 0.0.0.0:* users:((\"python\",pid=559,fd=3))", "started_after_ms": 11017, "success": true, "tool_id": "chatcmpl-tool-ae32275431735621" } ], "agent": "step", "analyzer": "aoe-controller/20260816.0.1", "architecture": { "persistent_paths": [ "/var/lib/failover", "/var/lib/failover/primary.failed", "/var/lib/failover/primary.fenced", "/var/lib/failover/records.sqlite3", "/var/lib/failover/replica.role", "/var/lib/failover/upstream" ], "service_units": [], "technologies": [ "Python", "SQLite" ] }, "metrics": { "discoveries": 1, "first_mutation_after_ms": 10946, "last_observed_after_ms": 11042, "lifecycle_actions": 0, "mutations": 1, "tool_calls": 3, "tool_errors": 1, "validations": 1 }, "model": "stepfun/step-3.7-flash", "outcome": "running", "schema_version": 1, "source_sha256": "45c01a1da4357b57f0328badce2d415910599e86c3c5a6ce3bfbaafab7000706", "territory": "failover-two" } }, "arena": { "agents": [ { "adapter": "claux", "budget": { "max_cost_microusd": null, "resource_units": 900 }, "id": "mercury", "model": "inception/mercury-2.5", "reasoning_effort": "default", "territory": "failover-one" }, { "adapter": "claux", "budget": { "max_cost_microusd": null, "resource_units": 900 }, "id": "mimo-2.6-flash", "model": "xiaomi/mimo-v2.6-flash", "reasoning_effort": "default", "territory": "failover-three" }, { "adapter": "claux", "budget": { "max_cost_microusd": null, "resource_units": 900 }, "id": "step", "model": "stepfun/step-3.7-flash", "reasoning_effort": "default", "territory": "failover-two" } ], "arena": { "category": "stateful-recovery", "display_name": "Stateful Primary Failover", "id": "primary-failover", "mode": "build_race" }, "build": { "completion_milestone": "host-reboot", "milestones": [ { "depends_on": [], "display_name": "Failed Primary Preserved", "id": "failed-primary-preserved", "operation": "observe", "points": 5, "required": true, "timeout_seconds": 5, "verifier": "verify/incident-confirmed.sh" }, { "depends_on": [ "failed-primary-preserved" ], "display_name": "Existing Reads Restored", "id": "reads-restored", "operation": "observe", "points": 20, "required": true, "timeout_seconds": 10, "verifier": "verify/reads-restored.sh" }, { "depends_on": [ "reads-restored" ], "display_name": "Old Primary Fenced", "id": "old-primary-fenced", "operation": "observe", "points": 20, "required": true, "timeout_seconds": 10, "verifier": "verify/old-primary-fenced.sh" }, { "depends_on": [ "old-primary-fenced" ], "display_name": "Writes Restored", "id": "writes-restored", "operation": "observe", "points": 25, "required": true, "timeout_seconds": 15, "verifier": "verify/writes-restored.sh" }, { "depends_on": [ "writes-restored" ], "display_name": "Topology Restart", "id": "service-restart", "operation": "observe", "points": 15, "required": true, "timeout_seconds": 20, "verifier": "verify/service-restart.sh" }, { "depends_on": [ "service-restart" ], "display_name": "Host Reboot", "id": "host-reboot", "operation": "host_reboot", "points": 15, "required": true, "timeout_seconds": 40, "verifier": "verify/host-reboot.sh" } ], "stop_on_first_durable": true }, "classes": [ { "display_name": "Failover Engineer", "id": "failover-engineer", "resources": { "disk_mib": 2048, "memory_mib": 768, "vcpus": 1 }, "strengths": [], "weaknesses": [] } ], "fog_of_war": null, "network": { "allow_public_internet": false, "cidr": "10.81.0.0/24" }, "rules": { "duration_seconds": 900, "healthy_resources_per_tick": 0, "minimum_territories": 3, "tick_ms": 1000 }, "schema_version": 1, "territories": [ { "class": "failover-engineer", "id": "failover-one", "nixos_config": "./arenas/primary-failover#nixosConfigurations.failover-one.config.system.build.vm", "service": { "expected_body": "ready", 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