{
  "schema_version": 1,
  "analyzer": "aoe-controller/20260816.0.1",
  "source_sha256": "a2464663231ceca35a4660cdf987341e256cf59d1edb305ffe3e49fe058b5ddf",
  "agent": "glm",
  "territory": "failover-two",
  "model": "z-ai/glm-5.3",
  "outcome": "running",
  "metrics": {
    "tool_calls": 12,
    "tool_errors": 1,
    "discoveries": 9,
    "mutations": 1,
    "lifecycle_actions": 0,
    "validations": 2,
    "first_mutation_after_ms": 3965,
    "last_observed_after_ms": 29844
  },
  "architecture": {
    "technologies": [
      "Python",
      "SQLite",
      "systemd"
    ],
    "service_units": [
      "failover-seed.service"
    ],
    "persistent_paths": [
      "/etc/cron",
      "/etc/systemd/system",
      "/var/lib/failover",
      "/var/lib/failover/primary.failed",
      "/var/lib/failover/records.sqlite3",
      "/var/lib/failover/replica.role",
      "/var/lib/failover/upstream"
    ]
  },
  "actions": [
    {
      "index": 1,
      "tool_id": "call_jm1SbTJYaXEDsbwWk67VGiRL",
      "kind": "discovery",
      "started_after_ms": 1947,
      "duration_ms": 58,
      "description": "List failover state directory and key state files",
      "command": "ls -la /var/lib/failover/ 2>&1; echo \"---\"; cat /var/lib/failover/replica.role 2>&1; echo \"---\"; cat /var/lib/failover/upstream 2>&1; echo \"---\"; cat /var/lib/failover/primary.failed 2>&1",
      "success": true,
      "output_excerpt": "total 28\ndrwxr-xr-x 2 root root  4096 Sep 10 15:38 .\ndrwxr-xr-x 9 root root  4096 Sep 10 15:38 ..\n-rw-r--r-- 1 root root     0 Sep 10 15:38 primary.failed\n-rw-r--r-- 1 root root 12288 Sep 10 15:38 records.sqlite3\n-rw-r--r-- 1 root root     8 Sep 10 15:38 replica.role\n-rw-r--r-- 1…"
    },
    {
      "index": 2,
      "tool_id": "call_vlQ6ULDywA8W62vwof8PgiTU",
      "kind": "validation",
      "started_after_ms": 2005,
      "duration_ms": 45,
      "description": "Show listening ports and related processes",
      "command": "ss -tlnp 2>/dev/null | grep -E ':(8080|8081|8082)' ; echo \"---\"; ps aux | grep -iE 'proxy|replica|record|failover|8081|8082' | grep -v grep",
      "success": true,
      "output_excerpt": "LISTEN 0      5          127.0.0.1:8082       0.0.0.0:*    users:((\"python\",pid=552,fd=3))\nLISTEN 0      5            0.0.0.0:8080       0.0.0.0:*    users:((\"python\",pid=551,fd=3))\n---\nroot         551  1.7  3.2 112160 23968 ?        Ss   15:38   0:00 /nix/store/3n4qphl9s728sz8f…"
    },
    {
      "index": 3,
      "tool_id": "call_Ge2FKTCQLn30iaKiD0ZM8feG",
      "kind": "discovery",
      "started_after_ms": 3961,
      "duration_ms": 3,
      "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": 4,
      "tool_id": "call_R9KBXiIJfVbLEzaFKsSCHeGq",
      "kind": "discovery",
      "started_after_ms": 3963,
      "duration_ms": 1,
      "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": 5,
      "tool_id": "call_CKf9bqJItLDZOMQJytDcQvuL",
      "kind": "mutation",
      "started_after_ms": 3965,
      "duration_ms": 72,
      "description": "Inspect sqlite database schema and contents",
      "command": "command -v sqlite3 && sqlite3 /var/lib/failover/records.sqlite3 .schema && sqlite3 /var/lib/failover/records.sqlite3 'SELECT * FROM records;' || python3 -c \"\nimport sqlite3\nc = sqlite3.connect('/var/lib/failover/records.sqlite3')\nprint(c.execute(\\\"SELECT sql FROM sqlite_master\\\").fetchall())\nprint(c.execute('SELECT name FROM sqlite_master WHERE type=\\\"table\\\"').fetchall())\n\"",
      "success": true,
      "output_excerpt": "/run/current-system/sw/bin/sqlite3\nCREATE TABLE records (id TEXT PRIMARY KEY, value TEXT NOT NULL);\ncustomer-red-4a7|red-original\ncustomer-blue-8d2|blue-original\ncustomer-green-f31|green-original"
    },
    {
      "index": 6,
      "tool_id": "call_VkEDSinx8OjzU069xkoiUsn5",
      "kind": "discovery",
      "started_after_ms": 9627,
      "duration_ms": 46,
      "description": "Find supervisor of proxy and replica processes",
      "command": "ps -o pid,ppid,cmd -p 551,552; echo \"---\"; ps -o pid,ppid,cmd -p $(ps -o ppid= -p 551 | tr -d ' ') 2>/dev/null; echo \"---\"; ps -p 1 -o pid,cmd",
      "success": true,
      "output_excerpt": "PID    PPID CMD\n    551       1 /nix/store/3n4qphl9s728sz8frmpqqrv9b1m87g68-python3-3.14.7/bin/python /nix/store/gy7xaavwyh9mbwz4ll8h6z3ban0s6g93-failover-proxy.py\n    552       1 /nix/store/3n4qphl9s728sz8frmpqqrv9b1m87g68-python3-3.14.7/bin/python /nix/store/3lf8if1z3ahcv9mdxqm…"
    },
    {
      "index": 7,
      "tool_id": "call_5Kq79MvMSTLaKb5gqI1EAQQi",
      "kind": "discovery",
      "started_after_ms": 9674,
      "duration_ms": 69,
      "description": "Check systemd units and cron for service management",
      "command": "systemctl list-units --all 2>/dev/null | grep -iE 'failover|record|primary|replica|proxy' ; systemctl cat failover-proxy failover-replica failover-primary 2>&1 | head -60; ls /etc/systemd/system/ 2>/dev/null | head; echo \"---cron---\"; ls /etc/cron* /var/spool/cron 2>/dev/null",
      "success": false,
      "output_excerpt": "failover-proxy.service                                                              loaded    active   running   Public proxy stranded on failed primary\n  failover-replica.service                                                            loaded    active   running   Healthy read…"
    },
    {
      "index": 8,
      "tool_id": "call_iwVbc079wGlCb0dPqSUXkBov",
      "kind": "discovery",
      "started_after_ms": 11634,
      "duration_ms": 24,
      "description": "Inspect failover-seed unit that seeds topology",
      "command": "systemctl cat failover-seed.service 2>&1",
      "success": true,
      "output_excerpt": "# /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]\nEnvir…"
    },
    {
      "index": 9,
      "tool_id": "call_B5xHXHPytg50ridjuhxrxI2u",
      "kind": "discovery",
      "started_after_ms": 12575,
      "duration_ms": 0,
      "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": 10,
      "tool_id": "call_AS2otbrTzVHJZjhi2oiP8bxQ",
      "kind": "validation",
      "started_after_ms": 24806,
      "duration_ms": 304,
      "description": "Confirm nothing references or listens on port 8081",
      "command": "grep -r \"8081\" /etc/systemd/system/ /nix/store/*unit-failover*/ 2>/dev/null | grep -v Binary; ss -tlnp | grep 8081; echo \"8081-check-done (empty = not listening, no unit refs)\"",
      "success": true,
      "output_excerpt": "8081-check-done (empty = not listening, no unit refs)"
    },
    {
      "index": 11,
      "tool_id": "call_A89OjYuUbndCCz6jWCIdgHSO",
      "kind": "discovery",
      "started_after_ms": 27337,
      "duration_ms": 68,
      "description": "Create primary.fenced durably with fsync, preserve primary.failed",
      "command": "python3 - <<'PY'\nimport os\nd = \"/var/lib/failover\"\n# FENCE the old primary durably: write temp, fsync, rename, fsync dir\ntmp = d + \"/.fenced.tmp\"\nwith open(tmp, \"w\") as f:\n    f.write(\"old primary 127.0.0.1:8081 fenced at promotion\\n\")\n    f.flush(); os.fsync(f.fileno())\nos.rename(tmp, d + \"/primary.fenced\")\ndirfd = os.open(d, os.O_RDONLY)\nos.fsync(dirfd); os.close(dirfd)\nprint(\"fenced:\", os.path.exists(d + \"/primary.fenced\"), \"| failed preserved:\", os.path.exists(d + \"/primary.failed\"))\nPY",
      "success": true,
      "output_excerpt": "fenced: True | failed preserved: True"
    },
    {
      "index": 13,
      "tool_id": "call_sD84t9RuuG7OCSafuXzW4weW",
      "kind": "discovery",
      "started_after_ms": 29764,
      "duration_ms": 80,
      "description": "Atomically promote replica and switch proxy upstream",
      "command": "python3 - <<'PY'\nimport os\nd = \"/var/lib/failover\"\ndef atomic_write(path, content):\n    tmp = path + \".tmp\"\n    with open(tmp, \"w\") as f:\n        f.write(content); f.flush(); os.fsync(f.fileno())\n    os.rename(tmp, path)\n    dirfd = os.open(d, os.O_RDONLY); os.fsync(dirfd); os.close(dirfd)\n# Promote replica to primary (fence already in place)\natomic_write(d + \"/replica.role\", \"primary\\n\")\n# Switch proxy upstream to the promoted node\natomic_write(d + \"/upstream\", \"8082\\n\")\nprint(\"role:\", open(d + \"/replica.role\").read().strip(), \"| upstream:\", open(d + \"/upstream\").read().strip())\nPY",
      "success": true,
      "output_excerpt": "role: primary | upstream: 8082"
    }
  ]
}