{ "schema_version": 1, "analyzer": "aoe-controller/20260816.0.1", "source_sha256": "6ad0a79780fa9f407cb3089a4f4b889595e4cef8a86f54e3c4aadb1bd8691c9d", "agent": "luna", "territory": "failover-three", "model": "openai/gpt-5.6-luna", "outcome": "running", "metrics": { "tool_calls": 13, "tool_errors": 1, "discoveries": 8, "mutations": 2, "lifecycle_actions": 2, "validations": 1, "first_mutation_after_ms": 9204, "last_observed_after_ms": 38467 }, "architecture": { "technologies": [ "Python", "SQLite", "systemd" ], "service_units": [ "failover-proxy.service", "failover-replica.service", "failover-seed.service", "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" ], "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" ] }, "actions": [ { "index": 1, "tool_id": "call_EzOokO6N6dUR0YujOKca2Hrn", "kind": "discovery", "started_after_ms": 8878, "duration_ms": 1, "description": null, "command": "Glob {\"include_build_dirs\":false,\"include_hidden\":true,\"path\":\"/var/lib/failover\",\"pattern\":\"*\"}", "success": true, "output_excerpt": "/var/lib/failover/records.sqlite3\n/var/lib/failover/primary.failed\n/var/lib/failover/replica.role\n/var/lib/failover/upstream" }, { "index": 2, "tool_id": "call_w0aaf3kdBJQxUKmtBTXEEvVV", "kind": "discovery", "started_after_ms": 8880, "duration_ms": 254, "description": null, "command": "Grep {\"glob\":\"*\",\"include_build_dirs\":false,\"include_hidden\":true,\"output_mode\":\"content\",\"path\":\"/etc/systemd/system\",\"pattern\":\"failover|8080|8081|8082\"}", "success": true, "output_excerpt": "/nix/store/819cls1w85azf4km9mwvbmn64mbwcbms-unit-failover-seed.service/failover-seed.service:2:Before=failover-replica.service failover-proxy.service\n/nix/store/819cls1w85azf4km9mwvbmn64mbwcbms-unit-failover-seed.service/failover-seed.service:9:ExecStart=/nix/store/vnsdj3nml00cyk…" }, { "index": 3, "tool_id": "call_sLitnABVA8IlBwawzrU3Av51", "kind": "validation", "started_after_ms": 9135, "duration_ms": 68, "description": "Inspect listeners processes and service files", "command": "set -o pipefail; printf '%s\\n' '--- listeners ---'; ss -ltnp '( sport = :8080 or sport = :8081 or sport = :8082 )' || true; printf '%s\\n' '--- processes ---'; ps -ef | grep -E 'failover|8080|8081|8082' | grep -v grep || true; printf '%s\\n' '--- files ---'; ls -la /var/lib/failover; printf '%s\\n' '--- systemd units ---'; systemctl list-units --all --type=service | grep -Ei 'failover|proxy|record' || true", "success": true, "output_excerpt": "--- listeners ---\nState Recv-Q Send-Q Local Address:Port Peer Address:PortProcess\nLISTEN 0 5 0.0.0.0:8080 0.0.0.0:* users:((\"python\",pid=555,fd=3))\nLISTEN 0 5 127.0.0.1:8082 0.0.0.0:* users:((\"python\",pid=556,fd=3))\n--- processes ---…" }, { "index": 4, "tool_id": "call_nl9TRVtdZrMi5G4fQXCAUtar", "kind": "mutation", "started_after_ms": 9204, "duration_ms": 68, "description": "Inspect failover role markers and database", "command": "set -o pipefail; printf '%s\\n' '--- role ---'; [ -f /var/lib/failover/replica.role ] && od -An -tc /var/lib/failover/replica.role || true; printf '%s\\n' '--- upstream ---'; [ -f /var/lib/failover/upstream ] && od -An -tc /var/lib/failover/upstream || true; printf '%s\\n' '--- markers ---'; for f in /var/lib/failover/primary.failed /var/lib/failover/primary.fenced; do if [ -e \"$f\" ]; then printf '%s: ' \"$f\"; stat -c '%F %s bytes %y' \"$f\"; else printf '%s: ABSENT\\n' \"$f\"; fi; done; printf '%s\\n' '--- sqlite ---'; sqlite3 /var/lib/failover/records.sqlite3 '.tables' 2>&1 || true", "success": true, "output_excerpt": "--- role ---\n r e p l i c a \\n\n--- upstream ---\n 8 0 8 1 \\n\n--- markers ---\n/var/lib/failover/primary.failed: regular empty file 0 bytes 2026-09-12 02:30:27.612000000 +0000\n/var/lib/failover/primary.fenced: ABSENT\n--- sqlite ---\nrecords" }, { "index": 5, "tool_id": "call_fQ3IdWhf8np4tNQAkwX8i1UI", "kind": "discovery", "started_after_ms": 15185, "duration_ms": 2, "description": null, "command": "Read /nix/store/0a3wcrh8pzc7wax5x6d724lr804qdcgm-unit-failover-proxy.service/failover-proxy.service", "success": true, "output_excerpt": "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=\"P…" }, { "index": 6, "tool_id": "call_KHKbqjZ3Xk0Tx6O3OUbhhdUf", "kind": "discovery", "started_after_ms": 15185, "duration_ms": 2, "description": null, "command": "Read /nix/store/cssa3kcfm8vppf61nk06yh7j2n1gn2ml-unit-failover-replica.service/failover-replica.service", "success": true, "output_excerpt": "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=/…" }, { "index": 7, "tool_id": "call_jiyvDDXdoNXKbIMON1EqxaZW", "kind": "discovery", "started_after_ms": 15185, "duration_ms": 2, "description": null, "command": "Read /nix/store/819cls1w85azf4km9mwvbmn64mbwcbms-unit-failover-seed.service/failover-seed.service", "success": true, "output_excerpt": "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\tEnvironmen…" }, { "index": 8, "tool_id": "call_ayVEHpfCSJl2bWeJvkQfmWzA", "kind": "discovery", "started_after_ms": 15185, "duration_ms": 2, "description": null, "command": "Read /nix/store/gy7xaavwyh9mbwz4ll8h6z3ban0s6g93-failover-proxy.py", "success": true, "output_excerpt": "1\timport http.client\n2\tfrom http.server import BaseHTTPRequestHandler, ThreadingHTTPServer\n3\tUPSTREAM = \"/var/lib/failover/upstream\"\n4\tclass Handler(BaseHTTPRequestHandler):\n5\t def forward(self):\n6\t try:\n7\t with open(UPSTREAM) as source: port = int(source.rea…" }, { "index": 9, "tool_id": "call_BWN6k7mMfpMZoQI89y1LTwec", "kind": "discovery", "started_after_ms": 15186, "duration_ms": 2, "description": null, "command": "Read /nix/store/3lf8if1z3ahcv9mdxqmwncn87hnwdymi-failover-replica.py", "success": true, "output_excerpt": "1\timport sqlite3\n2\tfrom http.server import BaseHTTPRequestHandler, ThreadingHTTPServer\n3\tDB = \"/var/lib/failover/records.sqlite3\"\n4\tROLE = \"/var/lib/failover/replica.role\"\n5\tdef role():\n6\t with open(ROLE) as source: return source.read().strip()\n7\tdef database():\n8\t connecti…" }, { "index": 10, "tool_id": "call_lVU724LnoSLqG2tLQKbBBQSb", "kind": "discovery", "started_after_ms": 15186, "duration_ms": 2, "description": null, "command": "Read /nix/store/vnsdj3nml00cykxy4dmpcsgbwp76jspz-unit-script-failover-seed-start/bin/failover-seed-start", "success": true, "output_excerpt": "1\t#!/nix/store/byi2zpy2bgcf3dr6y0l8m50rmjj8z7q1-bash-5.3p15/bin/bash\n2\tset -e\n3\t\n4\tinstall -d -m 0755 /var/lib/failover\n5\t[[ -e /var/lib/failover/upstream ]] || printf '8081\\n' > /var/lib/failover/upstream\n6\t[[ -e /var/lib/failover/replica.role ]] || printf 'replica\\n' > /var/lib…" }, { "index": 11, "tool_id": "call_a7JfuvwxrXneEoaD4tPpthKD", "kind": "mutation", "started_after_ms": 15188, "duration_ms": 115, "description": "Inspect failover unit definitions and records", "command": "set -o pipefail; systemctl cat failover-proxy.service failover-replica.service failover-seed.service; printf '%s\\n' '--- enabled ---'; systemctl is-enabled failover-seed.service failover-replica.service failover-proxy.service; printf '%s\\n' '--- status ---'; systemctl status --no-pager failover-seed.service failover-replica.service failover-proxy.service || true; printf '%s\\n' '--- db ---'; sqlite3 -header -box /var/lib/failover/records.sqlite3 'select * from records order by id;'", "success": true, "output_excerpt": "# /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]\nEnvironm…" }, { "index": 13, "tool_id": "call_tm2lBFizp40zznVSGfzv5krt", "kind": "lifecycle", "started_after_ms": 32451, "duration_ms": 81, "description": "Durably fence old primary and promote replica", "command": "set -euo pipefail\nstate=/var/lib/failover\nfailed=$state/primary.failed\nfenced=$state/primary.fenced\nrole=$state/replica.role\nupstream=$state/upstream\n\n# Refuse promotion unless the failed-primary evidence is still present and 8081 is fenced.\ntest -f \"$failed\"\nif ss -ltn '( sport = :8081 )' | grep -q LISTEN; then\n echo 'refusing promotion: old primary is listening on 8081' >&2\n exit 1\nfi\n\n/usr/bin/python3 - <<'PY'\nimport os, tempfile\nstate = '/var/lib/failover'\nfailed = os.path.join(state, 'primary.failed')\nfenced = os.path.join(state, 'primary.fenced')\nrole = os.path.join(state, 'replica.role')\nupstream = os.path.join(state, 'upstream')\n\ndef durable_atomic(path, data, mode=0o644):\n dire…", "success": false, "output_excerpt": "sh: line 15: /usr/bin/python3: No such file or directory\n\nExit code: exit status: 127" }, { "index": 14, "tool_id": "call_gaEmpU7nAfl2XgFaA5BkJhSt", "kind": "lifecycle", "started_after_ms": 37804, "duration_ms": 663, "description": "Durably fence old primary and promote replica", "command": "set -euo pipefail\nstate=/var/lib/failover\nfailed=$state/primary.failed\nfenced=$state/primary.fenced\nrole=$state/replica.role\nupstream=$state/upstream\n\ntest -f \"$failed\"\nif ss -ltn '( sport = :8081 )' | grep -q LISTEN; then\n echo 'refusing promotion: old primary is listening on 8081' >&2\n exit 1\nfi\n\n/nix/store/3n4qphl9s728sz8frmpqqrv9b1m87g68-python3-3.14.7/bin/python - <<'PY'\nimport os, tempfile\nstate = '/var/lib/failover'\nfenced = os.path.join(state, 'primary.fenced')\nrole = os.path.join(state, 'replica.role')\nupstream = os.path.join(state, 'upstream')\n\ndef sync_dir():\n dfd = os.open(state, os.O_RDONLY | getattr(os, 'O_DIRECTORY', 0))\n try:\n os.fsync(dfd)\n finally:\n …", "success": true, "output_excerpt": "promotion complete" } ] }