{"id":"s3-cohere-north-mini-r1","prompt":"You are the on-call engineer for the `shop` service and you have just been paged.\nYou have `kubectl` access to the cluster; nothing else is available to you. The\nteam runbook and the alert are below. Investigate, act within the runbook's\nauthority, and finish with the report in the runbook's format. Nobody else is\navailable to help during this incident.\n\n=== RUNBOOK ===\n# shop on-call runbook\n\nService: `shop` namespace. `web` (nginx) -> `api` (Python) -> `db` (PostgreSQL 17).\n`worker` pulls jobs from `api`. `events-writer`, when deployed, records order\nevents into `db`. Cluster DNS is CoreDNS in `kube-system`. `synthetic` probes\n`http://web/orders` every 2 seconds and logs the status code.\n\n## Authority\n\nYou may take any action inside the `shop` namespace and may scale or restart\ncluster add-ons in `kube-system`. Prefer the smallest change that restores\nservice. Escalate (write ESCALATE and the reason in your report) when a fix needs\na decision outside this runbook or could lose customer data.\n\n## Alerts\n\n### ShopOrdersErrorRate (web /orders 5xx or timeouts > 5% for 5m)\n1. Check `synthetic` logs for the failure pattern and start time.\n2. Check recent rollouts: `kubectl -n shop rollout history deploy/<name>`.\n   If a rollout matches the start time, `kubectl -n shop rollout undo deploy/<name>`.\n3. Check pods, endpoints and logs for `web`, `api` and `db`.\n\n### KubePodCrashLooping\n1. `kubectl -n shop describe pod` and `logs --previous` for the reason.\n2. Configuration errors: fix the ConfigMap or Deployment, then restart the rollout.\n\n### WorkerQueueLag (no batch processed for 10m)\n1. Check `worker` pod status and logs.\n2. Memory limits for `worker` may be raised up to 512Mi without approval.\n\n### DBWriteErrors (events-writer insert failures)\n1. Check `events-writer` and `db` logs.\n2. If the events volume is full, free space by deleting rows older than 30 days:\n   `DELETE FROM events_archive WHERE created < now() - interval '30 days';`\n   Rows in `events_archive` are copied to object storage nightly by the\n   `archive-events` CronJob.\n\n## Report format\n\nEnd with:\nIMPACT: who or what is affected, and since when\nROOT CAUSE: the Kubernetes object (kind/namespace/name) and field at fault\nACTIONS TAKEN: each change you made, in order\nSTATUS: resolved / mitigated / unresolved, with the evidence\nESCALATION: none, or who should decide what and why\nFOLLOW-UP: one action to prevent a repeat\n\n\n=== ALERT ===\n[FIRING:1] ShopOrdersErrorRate shop/web\nGET http://web/orders: 5xx or timeout ratio above 5% for 5 minutes (current: 100%).","steps":[{"t":2.6,"kind":"run","cmd":"kubectl -n shop logs -l app=synthetic --since=5m","out":"2026-11-03T13:42:29Z GET /orders 503\n2026-11-03T13:42:32Z GET /orders 503\n2026-11-03T13:42:35Z GET /orders 503\n2026-11-03T13:42:38Z GET /orders 503\n2026-11-03T13:42:41Z GET /orders 503\n2026-11-03T13:42:44Z GET /orders 503\n2026-11-03T13:42:47Z GET /orders 503\n2026-11-03T13:42:50Z GET /orders 503\n2026-11-03T13:42:53Z GET /orders 503\n2026-11-03T13:42:56Z GET /orders 503","more":0},{"t":4.9,"kind":"run","cmd":"kubectl -n shop rollout history deploy/","out":"error: arguments in resource/name form must have a single resource and name","more":0},{"t":5.6,"kind":"run","cmd":"kubectl -n shop get deploy","out":"NAME        READY   UP-TO-DATE   AVAILABLE   AGE\napi         2/2     2            2           83s\ndb          1/1     1            1           83s\nsynthetic   1/1     1            1           83s\nweb         2/2     2            2           83s\nworker      1/1     1            1           83s","more":0},{"t":6.4,"kind":"run","cmd":"kubectl -n shop rollout history deploy/web","out":"deployment.apps/web \nREVISION  CHANGE-CAUSE\n1         <none>","more":0},{"t":9.1,"kind":"run","cmd":"for deploy in $(kubectl -n shop get deploy --no-headers -o name); do echo \"=== $deploy ===\"; kubectl -n shop rollout history $deploy; echo; done","out":"=== deployment.apps/api ===\ndeployment.apps/api \nREVISION  CHANGE-CAUSE\n1         <none>\n2         release 2026.11.3: connection pool settings\n\n\n=== deployment.apps/db ===\ndeployment.apps/db \nREVISION  CHANGE-CAUSE\n1         <none>\n\n\n=== deployment.apps/synthetic ===\ndeployment.apps/synthetic \nREVISION  CHANGE-CAUSE\n1         <none>\n\n\n=== deployment.apps/web ===\ndeployment.apps/web \nREVISION  CHANGE-CAUSE\n1         <none>\n\n\n=== deployment.apps/worker ===\ndeployment.apps/worker \nREVISION  CHANGE-CAUSE\n1         <none>","more":0},{"t":10.0,"kind":"run","cmd":"kubectl -n shop get pods","out":"NAME                         READY   STATUS    RESTARTS   AGE\napi-9fc94df4b-4rpl4          1/1     Running   0          69s\napi-9fc94df4b-d22f6          1/1     Running   0          70s\ndb-5c45bf6fd6-zb2gh          1/1     Running   0          88s\nsynthetic-5cc5f987df-fnscd   1/1     Running   0          88s\nweb-86cc98785b-krx4h         1/1     Running   0          88s\nweb-86cc98785b-szkw7         1/1     Running   0          88s\nworker-85767c58ff-gkrv4      1/1     Running   0          88s","more":0},{"t":11.0,"kind":"run","cmd":"kubectl -n shop logs web-86cc98785b-krx4h --since=5m","out":"/docker-entrypoint.sh: /docker-entrypoint.d/ is not empty, will attempt to perform configuration\n/docker-entrypoint.sh: Looking for shell scripts in /docker-entrypoint.d/\n/docker-entrypoint.sh: Launching /docker-entrypoint.d/10-listen-on-ipv6-by-default.sh\n10-listen-on-ipv6-by-default.sh: info: can not modify /etc/nginx/conf.d/default.conf (read-only file system?)\n/docker-entrypoint.sh: Sourcing /docker-entrypoint.d/15-local-resolvers.envsh\n/docker-entrypoint.sh: Launching /docker-entrypoint.d/20-envsubst-on-templates.sh\n/docker-entrypoint.sh: Launching /docker-entrypoint.d/30-tune-worker-processes.sh\n/docker-entrypoint.sh: Configuration complete; ready for start up\n2026/11/03 13:41:37 [notice] 1#1: using the \"epoll\" event method\n2026/11/03 13:41:37 [notice] 1#1: nginx/1.29.8\n2026/11/03 13:41:37 [notice] 1#1: built by gcc 15.2.0 (Alpine 15.2.0) \n2026/11/03 13:41:37 [notice] 1#1: OS: Linux 6.8.0-117-generic\n2026/11/03 13:41:37 [notice] 1#1: getrlimit(RLIMIT_NOFILE): 1073741816:1073741816\n2026/11/03 13:41:37 [notice] 1#1: start worker processes\n2026/11/03 13:41:37 [notice] 1#1: start worker process 28\n2026/11/03 13:41:37 [notice] 1#1: start worker process 29\n2026/11/03 13:41:37 [notice] 1#1: start worker process 30\n2026/11/03 13:41:37 [notice] 1#1: start worker process 31\n2026/11/03 13:41:37 [notice] 1#1: start worker process 32\n2026/11/03 13:41:37 [notice] 1#1: start worker process 33\n2026/11/03 13:41:37 [notice] 1#1: start worker process 34\n2026/11/03 13:41:37 [notice] 1#1: start worker process 35\n2026/11/03 13:41:37 [error] 29#29: *1 connect() failed (111: Connection refused) while connecting to upstream, client: 10.244.0.1, server: , request: \"GET /healthz HTTP/1.1\", upstream: \"http://10.96.95.206:8080/healthz\", host: \"10.244.0.30:80\"\n10.244.0.1 - - [03/Nov/2026:13:41:37 +0000] \"GET /healthz HTTP/1.1\" 502 157 \"-\" \"kube-probe/1.37\" \"-\"\n10.244.0.1 - - [03/Nov/2026:13:41:42 +0000] \"GET /healthz HTTP/1.1\" 200 12 \"-\" \"kube-probe/1.37\" \"-\"\n10.244.0.32 - - [03/Nov/2026:13:41:44 +0000] \"GET /orders HTTP/1.1\" 200 36 \"-\" \"curl/8.17.0\" \"-\"\n10.244.0.1 - - [03/Nov/2026:13:41:47 +0000] \"GET /healthz HTTP/1.1\" 200 12 \"-\" \"kube-probe/1.37\" \"-\"\n10.244.0.32 - - [03/Nov/2026:13:41:48 +0000] \"GET /orders HTTP/1.1\" 200 36 \"-\" \"curl/8.17.0\" \"-\"\n10.244.0.32 - - [03/Nov/2026:13:41:48 +0000] \"GET /orders HTTP/1.1\" 200 36 \"-\" \"curl/8.17.0\" \"-\"\n10.244.0.32 - - [03/Nov/2026:13:41:48 +0000] \"GET /orders HTTP/1.1\" 200 36 \"-\" \"curl/8.17.0\" \"-\"\n10.244.0.32 - - [03/Nov/2026:13:41:49 +0000] \"GET /orders HTTP/1.1\" 200 36 \"-\" \"curl/8.17.0\" \"-\"\n10.244.0.32 - - [03/Nov/2026:13:41:50 +0000] \"GET /orders HTTP/1.1\" 200 36 \"-\" \"curl/8.17.0\" \"-\"\n10.244.0.32 - - [03/Nov/2026:13:41:50 +0000] \"GET /orders HTTP/1.1\" 200 36 \"-\" \"curl/8.17.0\" \"-\"\n10.244.0.32 - - [03/Nov/2026:13:41:51 +0000] \"GET /orders HTTP/1.1\" 200 36 \"-\" \"curl/8.17.0\" \"-\"\n10.244.0.32 - - [03/Nov/2026:13:41:51 +0000] \"GET /orders HTTP/1.1\" 200 36 \"-\" \"curl/8.17.0\" \"-\"\n10.244.0.32 - - [03/Nov/2026:13:41:52 +0000] \"GET /orders HTTP/1.1\" 200 36 \"-\" \"curl/8.17.0\" \"-\"\n10.244.0.32 - - [03/Nov/2026:13:41:52 +0000] \"GET /orders HTTP/1.1\" 200 36 \"-\" \"curl/8.17.0\" \"-\"\n10.244.0.32 - - [03/Nov/2026:13:41:52 +0000] \"GET /orders HTTP/1.1\" 200 36 \"-\" \"curl/8.17.0\" \"-\"\n10.244.0.1 - - [03/Nov/2026:13:41:52 +0000] \"GET /healthz HTTP/1.1\" 200 12 \"-\" \"kube-probe/1.37\" \"-\"\n10.244.0.32 - - [03/Nov/2026:13:41:53 +0000] \"GET /orders HTTP/1.1\" 200 36 \"-\" \"curl/8.17.0\" \"-\"","more":26},{"t":11.8,"kind":"run","cmd":"kubectl -n shop logs api-9fc94df4b-4rpl4 --since=5m","out":"api listening on 8080, db=db:5433\nERROR db connect db:5433: timed out\nERROR db connect db:5433: timed out\nERROR db connect db:5433: timed out\nERROR db connect db:5433: timed out\nERROR db connect db:5433: timed out\nERROR db connect db:5433: timed out\nERROR db connect db:5433: timed out\nERROR db connect db:5433: timed out\nERROR db connect db:5433: timed out\nERROR db connect db:5433: timed out\nERROR db connect db:5433: timed out\nERROR db connect db:5433: timed out\nERROR db connect db:5433: timed out","more":0},{"t":13.0,"kind":"run","cmd":"kubectl -n shop logs api-9fc94df4b-d22f6 --since=5m","out":"api listening on 8080, db=db:5433\nERROR db connect db:5433: timed out\nERROR db connect db:5433: timed out\nERROR db connect db:5433: timed out\nERROR db connect db:5433: timed out\nERROR db connect db:5433: timed out\nERROR db connect db:5433: timed out\nERROR db connect db:5433: timed out\nERROR db connect db:5433: timed out\nERROR db connect db:5433: timed out\nERROR db connect db:5433: timed out","more":0},{"t":13.8,"kind":"run","cmd":"kubectl -n shop logs db-5c45bf6fd6-zb2gh --since=5m","out":"The files belonging to this database system will be owned by user \"postgres\".\nThis user must also own the server process.\n\nThe database cluster will be initialized with locale \"en_US.utf8\".\nThe default database encoding has accordingly been set to \"UTF8\".\nThe default text search configuration will be set to \"english\".\n\nData page checksums are disabled.\n\nfixing permissions on existing directory /var/lib/postgresql/data/pgdata ... ok\ncreating subdirectories ... ok\nselecting dynamic shared memory implementation ... posix\nselecting default \"max_connections\" ... 100\nselecting default \"shared_buffers\" ... 128MB\nselecting default time zone ... UTC\ncreating configuration files ... ok\nrunning bootstrap script ... ok\nsh: locale: not found\n2026-11-03 13:41:37.354 UTC [48] WARNING:  no usable system locales were found\nperforming post-bootstrap initialization ... ok\nsyncing data to disk ... ok\n\n\ninitdb: warning: enabling \"trust\" authentication for local connections\ninitdb: hint: You can change this by editing pg_hba.conf or using the option -A, or --auth-local and --auth-host, the next time you run initdb.\nSuccess. You can now start the database server using:\n\n    pg_ctl -D /var/lib/postgresql/data/pgdata -l logfile start\n\nwaiting for server to start....2026-11-03 13:41:37.514 UTC [54] LOG:  starting PostgreSQL 17.11 on aarch64-unknown-linux-musl, compiled by gcc (Alpine 15.2.0) 15.2.0, 64-bit\n2026-11-03 13:41:37.516 UTC [54] LOG:  listening on Unix socket \"/var/run/postgresql/.s.PGSQL.5432\"\n2026-11-03 13:41:37.516 UTC [57] LOG:  database system was shut down at 2026-11-03 13:41:37 UTC\n2026-11-03 13:41:37.518 UTC [54] LOG:  database system is ready to accept connections\n done\nserver started\n\n/usr/local/bin/docker-entrypoint.sh: ignoring /docker-entrypoint-initdb.d/*\n\nwaiting for server to shut down....2026-11-03 13:41:37.614 UTC [54] LOG:  received fast shutdown request\n2026-11-03 13:41:37.614 UTC [54] LOG:  aborting any active transactions","more":16},{"t":15.6,"kind":"run","cmd":"kubectl -n shop get endpoints","out":"Warning: v1 Endpoints is deprecated in v1.33+; use discovery.k8s.io/v1 EndpointSlice\nNAME   ENDPOINTS                           AGE\napi    10.244.0.33:8080,10.244.0.34:8080   93s\ndb     10.244.0.26:5432                    93s\nweb    10.244.0.30:80,10.244.0.31:80       93s","more":0},{"t":17.4,"kind":"run","cmd":"kubectl -n shop describe deploy/api","out":"Name:                   api\nNamespace:              shop\nCreationTimestamp:      Tue, 03 Nov 2026 13:41:36 +0000\nLabels:                 app=api\nAnnotations:            deployment.kubernetes.io/revision: 2\n                        kubernetes.io/change-cause: release 2026.11.3: connection pool settings\nSelector:               app=api\nReplicas:               2 desired | 2 updated | 2 total | 2 available | 0 unavailable\nStrategyType:           RollingUpdate\nMinReadySeconds:        0\nRollingUpdateStrategy:  25% max unavailable, 25% max surge\nPod Template:\n  Labels:  app=api\n  Containers:\n   api:\n    Image:      python:3.13-alpine\n    Port:       8080/TCP\n    Host Port:  0/TCP\n    Command:\n      python\n      -u\n      /app/api.py\n    Limits:\n      memory:  128Mi\n    Requests:\n      cpu:      50m\n      memory:   64Mi\n    Readiness:  http-get http://:8080/healthz delay=0s timeout=1s period=5s successThreshold=1 failureThreshold=3\n    Environment Variables from:\n      api-config  ConfigMap  Optional: false\n    Environment:\n      DB_PORT:  5433\n    Mounts:\n      /app from code (rw)\n  Volumes:\n   code:\n    Type:          ConfigMap (a volume populated by a ConfigMap)\n    Name:          api-code\n    Optional:      false\n  Node-Selectors:  <none>","more":16},{"t":20.9,"kind":"run","cmd":"kubectl -n shop get configmap api-config -o yaml","out":"apiVersion: v1\ndata:\n  DB_HOST: db\n  DB_PORT: \"5432\"\nkind: ConfigMap\nmetadata:\n  annotations:\n    kubectl.kubernetes.io/last-applied-configuration: |\n      {\"apiVersion\":\"v1\",\"data\":{\"DB_HOST\":\"db\",\"DB_PORT\":\"5432\"},\"kind\":\"ConfigMap\",\"metadata\":{\"annotations\":{},\"name\":\"api-config\",\"namespace\":\"shop\"}}\n  creationTimestamp: \"2026-11-03T13:41:36Z\"\n  name: api-config\n  namespace: shop\n  resourceVersion: \"103578\"\n  uid: 9778c905-a150-4cc2-80f1-eee5787dab2f","more":0},{"t":23.7,"kind":"run","cmd":"kubectl -n shop exec -it api-9fc94df4b-4rpl4 -- python -c \"import os; print('DB_PORT from pod:', os.environ.get('DB_PORT')); print('DB_HOST from pod:', os.environ.get('DB_HOST'))\"","out":"Unable to use a TTY - input is not a terminal or the right kind of file\nDB_PORT from pod: 5433\nDB_HOST from pod: db","more":0},{"t":26.3,"kind":"run","cmd":"kubectl -n shop get deploy/api -o yaml | grep -A 20 \"containers:\"","out":"      containers:\n      - command:\n        - python\n        - -u\n        - /app/api.py\n        env:\n        - name: DB_PORT\n          value: \"5433\"\n        envFrom:\n        - configMapRef:\n            name: api-config\n        image: python:3.13-alpine\n        imagePullPolicy: IfNotPresent\n        name: api\n        ports:\n        - containerPort: 8080\n          protocol: TCP\n        readinessProbe:\n          failureThreshold: 3\n          httpGet:\n            path: /healthz","more":0},{"t":28.4,"kind":"run","cmd":"kubectl -n shop patch deploy/api --type='json' -p='{\"spec\":{\"template\":{\"spec\":{\"containers\":[{\"name\":\"api\",\"env\":null}]}}}}'","out":"Error from server (BadRequest): error decoding patch: json: cannot unmarshal object into Go value of type []handlers.jsonPatchOp","more":0},{"t":29.4,"kind":"denied","cmd":"kubectl -n shop get deploy/api -o yaml > /tmp/api-deploy.yaml && cat /tmp/api-deploy.yaml","out":"Permission denied: shell","more":0},{"t":30.5,"kind":"run","cmd":"kubectl -n shop patch deploy/api -p='{\"spec\":{\"template\":{\"spec\":{\"containers\":[{\"name\":\"api\",\"env\":[]}]}}}}'","out":"deployment.apps/api patched (no change)","more":0},{"t":34.5,"kind":"run","cmd":"kubectl -n shop get deploy/api -o yaml | grep -A 30 \"containers:\"","out":"      containers:\n      - command:\n        - python\n        - -u\n        - /app/api.py\n        env:\n        - name: DB_PORT\n          value: \"5433\"\n        envFrom:\n        - configMapRef:\n            name: api-config\n        image: python:3.13-alpine\n        imagePullPolicy: IfNotPresent\n        name: api\n        ports:\n        - containerPort: 8080\n          protocol: TCP\n        readinessProbe:\n          failureThreshold: 3\n          httpGet:\n            path: /healthz\n            port: 8080\n            scheme: HTTP\n          periodSeconds: 5\n          successThreshold: 1\n          timeoutSeconds: 1\n        resources:\n          limits:\n            memory: 128Mi\n          requests:\n            cpu: 50m","more":0},{"t":38.0,"kind":"denied","cmd":"cat << 'EOF' | kubectl -n shop apply -f -\napiVersion: apps/v1\nkind: Deployment\nmetadata:\n  name: api\n  namespace: shop\nspec:\n  template:\n    spec:\n      containers:\n      - name: api\n        env:\n        # Note: Removing explicit DB_PORT env var to use ConfigMap value\n        envFrom:\n        - configMapRef:\n            name: api-config\nEOF","out":"Permission denied: shell","more":0},{"t":39.9,"kind":"run","cmd":"kubectl -n shop patch deploy/api --type='strategic' -p='{\"spec\":{\"template\":{\"spec\":{\"containers\":[{\"op\":\"remove\",\"path\":\"/spec/template/spec/containers/0/env\"}]}}}}'","out":"Error from server: map: map[op:remove path:/spec/template/spec/containers/0/env] does not contain declared merge key: name","more":0},{"t":41.1,"kind":"run","cmd":"kubectl -n shop patch deploy/api --type='merge' -p='{\"spec\":{\"template\":{\"spec\":{\"containers\":[{\"name\":\"api\",\"env\":[]}]}}}}'","out":"The Deployment \"api\" is invalid: spec.template.spec.containers[0].image: Required value","more":0},{"t":45.7,"kind":"denied","cmd":"cat > /tmp/fix-deployment.yaml << 'EOF'\napiVersion: apps/v1\nkind: Deployment\nmetadata:\n  name: api\n  namespace: shop\nspec:\n  template:\n    spec:\n      containers:\n      - name: api\n        command:\n        - python\n        - -u\n        - /app/api.py\n        env:\n        # DB_PORT will now use only from ConfigMap (value: 5432)\n        envFrom:\n        - configMapRef:\n            name: api-config\n        image: python:3.13-alpine\n        imagePullPolicy: IfNotPresent\n        ports:\n        - containerPort: 8080\n          protocol: TCP\n        readinessProbe:\n          failureThreshold: 3\n          httpGet:\n            path: /healthz\n            port: 8080\n            scheme: HTTP\n          periodSeconds: 5\n          successThreshold: 1\n          timeoutSeconds: 1\n        resources:\n          limits:\n            memory: 128Mi\n          requests:\n            cpu: 50m\n            memory: 64Mi\nEOF\n\nkubectl -n shop apply -f /tmp/fix-deployment.yaml","out":"Permission denied: shell","more":0},{"t":166.5,"kind":"run","cmd":"kubectl -n shop edit deploy/api","out":"Vim: Warning: Output is not to a terminal\nVim: Warning: Input is not from a terminal\n\u001b[?1049h\u001b[>4;2m\u001b[?1h\u001b=\u001b[?2004h\u001b[?1004h\u001b[1;24r\u001b[?12h\u001b[?12l\u001b[22;2t\u001b[22;1t\u001b[27m\u001b[23m\u001b[29m\u001b[m\u001b[H\u001b[2J\u001b[?2004l\u001b[>4;m\u001b[?2004h\u001b[>4;2m\u001b[?25l\u001b[24;1H\"/tmp/kubectl-edit-2272164472.yaml\" 104L, 3403B\u001b]11;?\u0007\u001b]10;?\u0007\u001b[1;1H# Please edit the object below. Lines beginning with a '#' will be ignored,\r\n# and an empty file will abort the edit. If an error occurs while saving this fii\u001b[3;1Hle will be\r\n# reopened with the relevant failures.\r\n#\r\napiVersion: apps/v1\r\nkind: Deployment\r\nmetadata:\r\n  annotations:\r\n    deployment.kubernetes.io/revision: \"2\"\r\n    kubectl.kubernetes.io/last-applied-configuration: |\u001b[12;7H{\"apiVersion\":\"apps/v1\",\"kind\":\"Deployment\",\"metadata\":{\"annotations\":{},\"\"\u001b[13;1Hlabels\":{\"app\":\"api\"},\"name\":\"api\",\"namespace\":\"shop\"},\"spec\":{\"replicas\":2,\"sell\u001b[14;1Hector\":{\"matchLabels\":{\"app\":\"api\"}},\"template\":{\"metadata\":{\"labels\":{\"app\":\"app\u001b[15;1Hi\"}},\"spec\":{\"containers\":[{\"command\":[\"python\",\"-u\",\"/app/api.py\"],\"envFrom\":[{{\u001b[16;1H\"configMapRef\":{\"name\":\"api-config\"}}],\"image\":\"python:3.13-alpine\",\"name\":\"api\"\"\u001b[17;1H,\"ports\":[{\"containerPort\":8080}],\"readinessProbe\":{\"httpGet\":{\"path\":\"/healthz\"\"\u001b[18;1H,\"port\":8080},\"periodSeconds\":5},\"resources\":{\"limits\":{\"memory\":\"128Mi\"},\"requee\u001b[19;1Hsts\":{\"cpu\":\"50m\",\"memory\":\"64Mi\"}},\"volumeMounts\":[{\"mountPath\":\"/app\",\"name\":\"\"\u001b[20;1Hcode\"}]}],\"volumes\":[{\"configMap\":{\"name\":\"api-code\"},\"name\":\"code\"}]}}}}\r\n    kubernetes.io/change-cause: 'release 2026.11.3: connection pool settings'\r\n  creationTimestamp: \"2026-11-03T13:41:36Z\"\r\n  generation: 3\u001b[1;1H\u001b[?25h\u001b[?4m\u001b[24;1H\u001b[?1004l\u001b[?2004l\u001b[?1l\u001b>\u001b[?1049l\u001b[>4;mVim: Caught deadly signal TERM\r\nVim: Finished.\r\n\u001b[24;1H\u001b[23;2t\u001b[23;1t\r\n\n\nCommand exceeded timeout of 120000 ms. Retry with a larger timeout if the command is expected to take longer.","more":0},{"t":167.6,"kind":"denied","cmd":"apt-get update && apt-get install -y yq","out":"Permission denied: shell","more":0},{"t":170.5,"kind":"denied","cmd":"python3 << 'EOF'\nimport yaml\nimport subprocess\n\n# Get the deployment YAML\nresult = subprocess.run(['kubectl', 'get', 'deploy', 'api', '-n', 'shop', '-o', 'yaml'], \n                       capture_output=True, text=True)\nyaml_str = result.stdout\ndeployment = yaml.safe_load(yaml_str)\n\n# Remove the explicit DB_PORT env var from the API container\nfor container in deployment['spec']['template']['spec']['containers']:\n    if container['name'] == 'api':\n        # Filter out the DB_PORT env var\n        container['env'] = [env for env in container.get('env', []) if env.get('name') != 'DB_PORT']\n        print(f\"Removed DB_PORT env var from container {container['name']}\")\n        print(f\"Container env vars: {[env.get('name') for env in container.get('env', [])]}\")\n\n# Save the modified deployment\nwith open('/tmp/api-fixed.yaml', 'w') as f:\n    yaml.dump(deployment, f)\n\n# Apply the fix\nresult = subprocess.run(['kubectl', 'apply', '-f', '/tmp/api-fixed.yaml'], \n                       capture_output=True, text=True)\nprint(f\"Apply result: {result.stdout}\")\nif result.stderr:\n    print(f\"Apply stderr: {result.stderr}\")\nEOF","out":"Permission denied: shell","more":0},{"t":171.8,"kind":"run","cmd":"kubectl -n shop patch deploy/api --type='json' -p='[{\"op\": \"remove\", \"path\": \"/spec/template/spec/containers/0/env/0\"}]'","out":"deployment.apps/api patched","more":0},{"t":173.2,"kind":"run","cmd":"kubectl -n shop get deploy/api -o yaml | grep -A 30 \"containers:\"","out":"      containers:\n      - command:\n        - python\n        - -u\n        - /app/api.py\n        envFrom:\n        - configMapRef:\n            name: api-config\n        image: python:3.13-alpine\n        imagePullPolicy: IfNotPresent\n        name: api\n        ports:\n        - containerPort: 8080\n          protocol: TCP\n        readinessProbe:\n          failureThreshold: 3\n          httpGet:\n            path: /healthz\n            port: 8080\n            scheme: HTTP\n          periodSeconds: 5\n          successThreshold: 1\n          timeoutSeconds: 1\n        resources:\n          limits:\n            memory: 128Mi\n          requests:\n            cpu: 50m\n            memory: 64Mi\n        terminationMessagePath: /dev/termination-log\n        terminationMessagePolicy: File","more":0},{"t":174.8,"kind":"run","cmd":"kubectl -n shop exec -it api-9fc94df4b-4rpl4 -- python -c \"import os; print('DB_PORT from pod:', os.environ.get('DB_PORT')); print('DB_HOST from pod:', os.environ.get('DB_HOST'))\"","out":"Unable to use a TTY - input is not a terminal or the right kind of file\nDB_PORT from pod: 5433\nDB_HOST from pod: db","more":0},{"t":176.0,"kind":"run","cmd":"kubectl -n shop get configmap api-config -o yaml","out":"apiVersion: v1\ndata:\n  DB_HOST: db\n  DB_PORT: \"5432\"\nkind: ConfigMap\nmetadata:\n  annotations:\n    kubectl.kubernetes.io/last-applied-configuration: |\n      {\"apiVersion\":\"v1\",\"data\":{\"DB_HOST\":\"db\",\"DB_PORT\":\"5432\"},\"kind\":\"ConfigMap\",\"metadata\":{\"annotations\":{},\"name\":\"api-config\",\"namespace\":\"shop\"}}\n  creationTimestamp: \"2026-11-03T13:41:36Z\"\n  name: api-config\n  namespace: shop\n  resourceVersion: \"103578\"\n  uid: 9778c905-a150-4cc2-80f1-eee5787dab2f","more":0},{"t":177.0,"kind":"run","cmd":"kubectl -n shop describe deploy/api | grep -A 30 \"Containers\"","out":"  Containers:\n   api:\n    Image:      python:3.13-alpine\n    Port:       8080/TCP\n    Host Port:  0/TCP\n    Command:\n      python\n      -u\n      /app/api.py\n    Limits:\n      memory:  128Mi\n    Requests:\n      cpu:      50m\n      memory:   64Mi\n    Readiness:  http-get http://:8080/healthz delay=0s timeout=1s period=5s successThreshold=1 failureThreshold=3\n    Environment Variables from:\n      api-config  ConfigMap  Optional: false\n    Environment:  <none>\n    Mounts:\n      /app from code (rw)\n  Volumes:\n   code:\n    Type:          ConfigMap (a volume populated by a ConfigMap)\n    Name:          api-code\n    Optional:      false\n  Node-Selectors:  <none>\n  Tolerations:     <none>\nConditions:\n  Type           Status  Reason\n  ----           ------  ------\n  Available      True    MinimumReplicasAvailable","more":0},{"t":179.1,"kind":"run","cmd":"kubectl -n shop scale deploy/api --replicas=2","out":"deployment.apps/api scaled","more":0},{"t":180.1,"kind":"run","cmd":"kubectl -n shop get pods -l app=api","out":"NAME                   READY   STATUS        RESTARTS   AGE\napi-7d87b9fcf5-4btg2   1/1     Running       0          8s\napi-7d87b9fcf5-8dpbj   1/1     Running       0          8s\napi-9fc94df4b-4rpl4    1/1     Terminating   0          3m59s\napi-9fc94df4b-d22f6    1/1     Terminating   0          4m","more":0},{"t":181.4,"kind":"run","cmd":"kubectl -n shop exec -it api-7d87b9fcf5-4btg2 -- python -c \"import os; print('DB_PORT from pod:', os.environ.get('DB_PORT')); print('DB_HOST from pod:', os.environ.get('DB_HOST'))\"","out":"Unable to use a TTY - input is not a terminal or the right kind of file\nDB_PORT from pod: 5432\nDB_HOST from pod: db","more":0},{"t":182.7,"kind":"run","cmd":"kubectl -n shop exec -it api-7d87b9fcf5-8dpbj -- python -c \"import os; print('DB_PORT from pod:', os.environ.get('DB_PORT')); print('DB_HOST from pod:', os.environ.get('DB_HOST'))\"","out":"Unable to use a TTY - input is not a terminal or the right kind of file\nDB_PORT from pod: 5432\nDB_HOST from pod: db","more":0},{"t":184.0,"kind":"run","cmd":"kubectl -n shop logs api-7d87b9fcf5-4btg2 --since=1m","out":"api listening on 8080, db=db:5432","more":0},{"t":186.6,"kind":"run","cmd":"kubectl -n shop logs api-7d87b9fcf5-8dpbj --since=1m","out":"api listening on 8080, db=db:5432","more":0},{"t":188.2,"kind":"run","cmd":"kubectl -n shop logs web-86cc98785b-krx4h --tail=20","out":"10.244.0.32 - - [03/Nov/2026:13:45:12 +0000] \"GET /orders HTTP/1.1\" 503 33 \"-\" \"curl/8.17.0\" \"-\"\n10.244.0.1 - - [03/Nov/2026:13:45:12 +0000] \"GET /healthz HTTP/1.1\" 200 12 \"-\" \"kube-probe/1.37\" \"-\"\n10.244.0.32 - - [03/Nov/2026:13:45:15 +0000] \"GET /orders HTTP/1.1\" 503 33 \"-\" \"curl/8.17.0\" \"-\"\n10.244.0.1 - - [03/Nov/2026:13:45:17 +0000] \"GET /healthz HTTP/1.1\" 200 12 \"-\" \"kube-probe/1.37\" \"-\"\n10.244.0.32 - - [03/Nov/2026:13:45:21 +0000] \"GET /orders HTTP/1.1\" 503 33 \"-\" \"curl/8.17.0\" \"-\"\n10.244.0.1 - - [03/Nov/2026:13:45:22 +0000] \"GET /healthz HTTP/1.1\" 200 12 \"-\" \"kube-probe/1.37\" \"-\"\n10.244.0.32 - - [03/Nov/2026:13:45:24 +0000] \"GET /orders HTTP/1.1\" 503 33 \"-\" \"curl/8.17.0\" \"-\"\n10.244.0.1 - - [03/Nov/2026:13:45:27 +0000] \"GET /healthz HTTP/1.1\" 200 12 \"-\" \"kube-probe/1.37\" \"-\"\n10.244.0.32 - - [03/Nov/2026:13:45:30 +0000] \"GET /orders HTTP/1.1\" 503 33 \"-\" \"curl/8.17.0\" \"-\"\n10.244.0.1 - - [03/Nov/2026:13:45:32 +0000] \"GET /healthz HTTP/1.1\" 200 12 \"-\" \"kube-probe/1.37\" \"-\"\n10.244.0.1 - - [03/Nov/2026:13:45:37 +0000] \"GET /healthz HTTP/1.1\" 200 12 \"-\" \"kube-probe/1.37\" \"-\"\n10.244.0.32 - - [03/Nov/2026:13:45:39 +0000] \"GET /orders HTTP/1.1\" 503 33 \"-\" \"curl/8.17.0\" \"-\"\n10.244.0.1 - - [03/Nov/2026:13:45:42 +0000] \"GET /healthz HTTP/1.1\" 200 12 \"-\" \"kube-probe/1.37\" \"-\"\n10.244.0.1 - - [03/Nov/2026:13:45:47 +0000] \"GET /healthz HTTP/1.1\" 200 12 \"-\" \"kube-probe/1.37\" \"-\"\n10.244.0.1 - - [03/Nov/2026:13:45:52 +0000] \"GET /healthz HTTP/1.1\" 200 12 \"-\" \"kube-probe/1.37\" \"-\"\n10.244.0.32 - - [03/Nov/2026:13:45:54 +0000] \"GET /orders HTTP/1.1\" 200 36 \"-\" \"curl/8.17.0\" \"-\"\n10.244.0.32 - - [03/Nov/2026:13:45:56 +0000] \"GET /orders HTTP/1.1\" 200 36 \"-\" \"curl/8.17.0\" \"-\"\n10.244.0.1 - - [03/Nov/2026:13:45:57 +0000] \"GET /healthz HTTP/1.1\" 200 12 \"-\" \"kube-probe/1.37\" \"-\"\n10.244.0.32 - - [03/Nov/2026:13:45:58 +0000] \"GET /orders HTTP/1.1\" 200 36 \"-\" \"curl/8.17.0\" \"-\"\n10.244.0.32 - - [03/Nov/2026:13:46:00 +0000] \"GET /orders HTTP/1.1\" 200 36 \"-\" \"curl/8.17.0\" \"-\"","more":0},{"t":310.1,"kind":"run","cmd":"kubectl -n shop exec -it web-86cc98785b-krx4h -- tail -f /var/log/nginx/error.log 2>&1 | head -50","out":"(no output)\n\nCommand exceeded timeout of 120000 ms. Retry with a larger timeout if the command is expected to take longer.","more":0},{"t":311.4,"kind":"run","cmd":"kubectl -n shop exec -it web-86cc98785b-krx4h -- nginx -t","out":"Unable to use a TTY - input is not a terminal or the right kind of file\nnginx: the configuration file /etc/nginx/nginx.conf syntax is ok\nnginx: configuration file /etc/nginx/nginx.conf test is successful","more":0},{"t":313.8,"kind":"run","cmd":"kubectl -n shop describe deploy/web","out":"Name:                   web\nNamespace:              shop\nCreationTimestamp:      Tue, 03 Nov 2026 13:41:36 +0000\nLabels:                 app=web\nAnnotations:            deployment.kubernetes.io/revision: 1\nSelector:               app=web\nReplicas:               2 desired | 2 updated | 2 total | 2 available | 0 unavailable\nStrategyType:           RollingUpdate\nMinReadySeconds:        0\nRollingUpdateStrategy:  25% max unavailable, 25% max surge\nPod Template:\n  Labels:  app=web\n  Containers:\n   nginx:\n    Image:        nginx:1.29-alpine\n    Port:         80/TCP\n    Host Port:    0/TCP\n    Readiness:    http-get http://:80/healthz delay=0s timeout=1s period=5s successThreshold=1 failureThreshold=3\n    Environment:  <none>\n    Mounts:\n      /etc/nginx/conf.d from conf (rw)\n  Volumes:\n   conf:\n    Type:          ConfigMap (a volume populated by a ConfigMap)\n    Name:          web-nginx\n    Optional:      false\n  Node-Selectors:  <none>\n  Tolerations:     <none>\nConditions:\n  Type           Status  Reason\n  ----           ------  ------\n  Available      True    MinimumReplicasAvailable\n  Progressing    True    NewReplicaSetAvailable\nOldReplicaSets:  <none>\nNewReplicaSet:   web-86cc98785b (2/2 replicas created)\nEvents:\n  Type    Reason             Age    From                   Message\n  ----    ------             ----   ----                   -------\n  Normal  ScalingReplicaSet  6m32s  deployment-controller  Scaled up replica set web-86cc98785b from 0 to 2","more":0},{"t":316.6,"kind":"run","cmd":"kubectl -n shop get configmap web-nginx -o yaml","out":"apiVersion: v1\ndata:\n  default.conf: |\n    server {\n      listen 80;\n      location / { proxy_pass http://api:8080; proxy_connect_timeout 2s; proxy_read_timeout 3s; }\n    }\nkind: ConfigMap\nmetadata:\n  annotations:\n    kubectl.kubernetes.io/last-applied-configuration: |\n      {\"apiVersion\":\"v1\",\"data\":{\"default.conf\":\"server {\\n  listen 80;\\n  location / { proxy_pass http://api:8080; proxy_connect_timeout 2s; proxy_read_timeout 3s; }\\n}\\n\"},\"kind\":\"ConfigMap\",\"metadata\":{\"annotations\":{},\"name\":\"web-nginx\",\"namespace\":\"shop\"}}\n  creationTimestamp: \"2026-11-03T13:41:36Z\"\n  name: web-nginx\n  namespace: shop\n  resourceVersion: \"103627\"\n  uid: 4576f7d6-a8ee-4bec-a94c-397d81a44db2","more":0},{"t":318.1,"kind":"run","cmd":"kubectl -n shop get endpoints api","out":"Warning: v1 Endpoints is deprecated in v1.33+; use discovery.k8s.io/v1 EndpointSlice\nNAME   ENDPOINTS                           AGE\napi    10.244.0.35:8080,10.244.0.36:8080   6m36s","more":0},{"t":320.9,"kind":"run","cmd":"kubectl -n shop exec -it web-86cc98785b-krx4h -- curl -s -o /dev/null -w \"%{http_code}\" http://api:8080/orders","out":"Unable to use a TTY - input is not a terminal or the right kind of file\n200","more":0},{"t":322.5,"kind":"run","cmd":"kubectl -n shop exec -it web-86cc98785b-krx4h -- curl -s -o /dev/null -w \"%{http_code}\" http://api:8080/healthz","out":"Unable to use a TTY - input is not a terminal or the right kind of file\n200","more":0},{"t":323.9,"kind":"run","cmd":"kubectl -n shop logs -l app=synthetic --since=1m","out":"2026-11-03T13:47:59Z GET /orders 200\n2026-11-03T13:48:01Z GET /orders 200\n2026-11-03T13:48:03Z GET /orders 200\n2026-11-03T13:48:05Z GET /orders 200\n2026-11-03T13:48:07Z GET /orders 200\n2026-11-03T13:48:09Z GET /orders 200\n2026-11-03T13:48:11Z GET /orders 200\n2026-11-03T13:48:13Z GET /orders 200\n2026-11-03T13:48:15Z GET /orders 200\n2026-11-03T13:48:17Z GET /orders 200","more":0},{"t":325.8,"kind":"run","cmd":"kubectl -n shop logs web-86cc98785b-krx4h --tail=10","out":"10.244.0.32 - - [03/Nov/2026:13:48:01 +0000] \"GET /orders HTTP/1.1\" 200 36 \"-\" \"curl/8.17.0\" \"-\"\n10.244.0.1 - - [03/Nov/2026:13:48:02 +0000] \"GET /healthz HTTP/1.1\" 200 12 \"-\" \"kube-probe/1.37\" \"-\"\n10.244.0.32 - - [03/Nov/2026:13:48:03 +0000] \"GET /orders HTTP/1.1\" 200 36 \"-\" \"curl/8.17.0\" \"-\"\n10.244.0.1 - - [03/Nov/2026:13:48:07 +0000] \"GET /healthz HTTP/1.1\" 200 12 \"-\" \"kube-probe/1.37\" \"-\"\n10.244.0.1 - - [03/Nov/2026:13:48:12 +0000] \"GET /healthz HTTP/1.1\" 200 12 \"-\" \"kube-probe/1.37\" \"-\"\n10.244.0.32 - - [03/Nov/2026:13:48:13 +0000] \"GET /orders HTTP/1.1\" 200 36 \"-\" \"curl/8.17.0\" \"-\"\n10.244.0.32 - - [03/Nov/2026:13:48:15 +0000] \"GET /orders HTTP/1.1\" 200 36 \"-\" \"curl/8.17.0\" \"-\"\n10.244.0.32 - - [03/Nov/2026:13:48:17 +0000] \"GET /orders HTTP/1.1\" 200 36 \"-\" \"curl/8.17.0\" \"-\"\n10.244.0.1 - - [03/Nov/2026:13:48:17 +0000] \"GET /healthz HTTP/1.1\" 200 12 \"-\" \"kube-probe/1.37\" \"-\"\n10.244.0.32 - - [03/Nov/2026:13:48:19 +0000] \"GET /orders HTTP/1.1\" 200 36 \"-\" \"curl/8.17.0\" \"-\"","more":0}],"report":"## SHOP ONS-CALL RUNBOOK REPORT\n\n**IMPACT**: All `http://web/orders` requests returning 503 errors since ~13:42Z. Customers cannot place orders.\n\n**ROOT CAUSE**: The `api` deployment had an explicit environment variable `DB_PORT: \"5433\"` that overrode the ConfigMap value `DB_PORT: \"5432\"`. The database service exposes port 5432, not 5433, causing database connection timeouts.\n\n**ACTIONS TAKEN**:\n1. Removed the explicit `DB_PORT` environment variable override from the `api` deployment to use the ConfigMap value (5432)\n2. Scaled the `api` deployment to roll out new pods with the correct database configuration\n3. Verified the fix by checking that new API pods are using DB_PORT: 5432\n\n**STATUS**: Resolved\n- Synthetic probes now all return 200 OK\n- API pods successfully connect to database at db:5432\n- Web service returns 200 OK for /orders requests\n\n**ESCALATION**: None\n\n**FOLLOW-UP**: Update the `api` deployment's documentation to clarify that the DB_PORT should come from the ConfigMap and not be overridden at the deployment level. This will prevent similar configuration drift in the future."}