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Filter pods where the Akka container has 'waiting' status (#891)
* Filter pods where the Akka container has 'waiting' status We wait until pods become 'Running', but when using pods with multiple containers, the pod becomes 'Running' as soon as the first primary container starts. https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle/ In that case, when the Akka container fails to start, it also prevents other pods (where the issue might be resolved) from starting. For that reason, allow configuring which container is the Akka container, so we can ignore it from discovery when it is 'waiting'. Refs #890 * scalafmt * mima exclusions
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...ry-kubernetes-api/src/main/mima-filters/1.0.10.backwards.excludes/ignore-waiting.excludes
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|---|---|---|
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| # private[kubernetes] | ||
| ProblemFilters.exclude[DirectMissingMethodProblem]("akka.discovery.kubernetes.KubernetesApiServiceDiscovery.targets") | ||
| ProblemFilters.exclude[Problem]("akka.discovery.kubernetes.PodList#*") | ||
| ProblemFilters.exclude[Problem]("akka.discovery.kubernetes.PodList$*") |
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266
discovery-kubernetes-api/src/test/resources/multi-container-pod.json
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| Original file line number | Diff line number | Diff line change |
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| { | ||
| "kind": "PodList", | ||
| "apiVersion": "v1", | ||
| "metadata": { | ||
| "selfLink": "/api/v1/namespaces/default/pods", | ||
| "resourceVersion": "16042" | ||
| }, | ||
| "items": [ | ||
| { | ||
| "metadata": { | ||
| "annotations": { | ||
| "cloudstate.io/enabled": "true", | ||
| "cloudstate.io/stateful-service-config": "ss-cfg-mesh", | ||
| "cloudstate.io/stateful-store": "default-spanner-store", | ||
| "cluster-autoscaler.kubernetes.io/safe-to-evict": "true" | ||
| }, | ||
| "creationTimestamp": "2021-04-23T08:45:58Z", | ||
| "generateName": "mesh-b4b946946-", | ||
| "labels": { | ||
| "app.kubernetes.io/component": "user-function", | ||
| "app.kubernetes.io/managed-by": "cloudstate-operator", | ||
| "app.kubernetes.io/name": "mesh", | ||
| "cloudstate.io/stateful-service": "mesh", | ||
| "pod-template-hash": "b4b946946" | ||
| }, | ||
| "name": "mesh-b4b946946-g8vfj", | ||
| "namespace": "b58dbc88-3651-4fb4-8408-60c375592d1d", | ||
| "ownerReferences": [ | ||
| { | ||
| "apiVersion": "apps/v1", | ||
| "blockOwnerDeletion": true, | ||
| "controller": true, | ||
| "kind": "ReplicaSet", | ||
| "name": "mesh-b4b946946", | ||
| "uid": "3bb114e8-8a07-449f-818b-d0fa959a8681" | ||
| } | ||
| ], | ||
| "resourceVersion": "68638988", | ||
| "selfLink": "/api/v1/namespaces/b58dbc88-3651-4fb4-8408-60c375592d1d/pods/mesh-b4b946946-g8vfj", | ||
| "uid": "2ecb33a7-bac6-4a0f-8717-c3ffde85ddd9" | ||
| }, | ||
| "spec": { | ||
| "containers": [ | ||
| { | ||
| "env": [ | ||
| { | ||
| "name": "PORT", | ||
| "value": "8080" | ||
| } | ||
| ], | ||
| "image": "docker.io/raboof/akkaserverless-wirelessmesh-java:349b1b7", | ||
| "imagePullPolicy": "IfNotPresent", | ||
| "name": "user-function", | ||
| "ports": [ | ||
| { | ||
| "containerPort": 8080, | ||
| "name": "user-port", | ||
| "protocol": "TCP" | ||
| } | ||
| ], | ||
| "resources": { | ||
| "limits": { | ||
| "memory": "512Mi" | ||
| }, | ||
| "requests": { | ||
| "cpu": "400m", | ||
| "memory": "512Mi" | ||
| } | ||
| }, | ||
| "terminationMessagePath": "/dev/termination-log", | ||
| "terminationMessagePolicy": "File" | ||
| }, | ||
| { | ||
| "imagePullPolicy": "IfNotPresent", | ||
| "livenessProbe": { | ||
| "failureThreshold": 5, | ||
| "httpGet": { | ||
| "path": "/alive", | ||
| "port": 8558, | ||
| "scheme": "HTTP" | ||
| }, | ||
| "periodSeconds": 10, | ||
| "successThreshold": 1, | ||
| "timeoutSeconds": 1 | ||
| }, | ||
| "name": "cloudstate-sidecar", | ||
| "ports": [ | ||
| { | ||
| "containerPort": 8013, | ||
| "name": "grpc-http-proxy", | ||
| "protocol": "TCP" | ||
| }, | ||
| { | ||
| "containerPort": 9090, | ||
| "name": "cs-metrics", | ||
| "protocol": "TCP" | ||
| } | ||
| ], | ||
| "readinessProbe": { | ||
| "failureThreshold": 5, | ||
| "httpGet": { | ||
| "path": "/ready", | ||
| "port": 8558, | ||
| "scheme": "HTTP" | ||
| }, | ||
| "periodSeconds": 10, | ||
| "successThreshold": 1, | ||
| "timeoutSeconds": 1 | ||
| }, | ||
| "resources": { | ||
| "limits": { | ||
| "memory": "512Mi" | ||
| }, | ||
| "requests": { | ||
| "cpu": "400m", | ||
| "memory": "512Mi" | ||
| } | ||
| }, | ||
| "terminationMessagePath": "/dev/termination-log", | ||
| "terminationMessagePolicy": "File" | ||
| }, | ||
| { | ||
| "args": [ | ||
| "proxy", | ||
| "sidecar" | ||
| ], | ||
| "name": "ppp-proxy", | ||
| "readinessProbe": { | ||
| "failureThreshold": 30, | ||
| "httpGet": { | ||
| "path": "/healthz/ready", | ||
| "port": 15020, | ||
| "scheme": "HTTP" | ||
| }, | ||
| "initialDelaySeconds": 1, | ||
| "periodSeconds": 2, | ||
| "successThreshold": 1, | ||
| "timeoutSeconds": 1 | ||
| }, | ||
| "resources": { | ||
| "limits": { | ||
| "cpu": "2", | ||
| "memory": "1Gi" | ||
| }, | ||
| "requests": { | ||
| "cpu": "100m", | ||
| "memory": "128Mi" | ||
| } | ||
| }, | ||
| "securityContext": { | ||
| "allowPrivilegeEscalation": false, | ||
| "capabilities": { | ||
| "drop": [ | ||
| "ALL" | ||
| ] | ||
| }, | ||
| "privileged": false, | ||
| "readOnlyRootFilesystem": true, | ||
| "runAsNonRoot": true | ||
| }, | ||
| "terminationMessagePath": "/dev/termination-log", | ||
| "terminationMessagePolicy": "File" | ||
| } | ||
| ], | ||
| "dnsPolicy": "ClusterFirst", | ||
| "enableServiceLinks": true, | ||
| "nodeName": "gke-dev-us-east-executio-default-pool-4678c5fa-mhx9", | ||
| "priority": 0, | ||
| "restartPolicy": "Always", | ||
| "schedulerName": "default-scheduler", | ||
| "securityContext": {}, | ||
| "serviceAccount": "cloudstate-pod-service-account", | ||
| "serviceAccountName": "cloudstate-pod-service-account", | ||
| "terminationGracePeriodSeconds": 30 | ||
| }, | ||
| "status": { | ||
| "conditions": [ | ||
| { | ||
| "lastProbeTime": null, | ||
| "lastTransitionTime": "2021-04-23T08:46:00Z", | ||
| "status": "True", | ||
| "type": "Initialized" | ||
| }, | ||
| { | ||
| "lastProbeTime": null, | ||
| "lastTransitionTime": "2021-04-23T08:45:58Z", | ||
| "message": "containers with unready status: [cloudstate-sidecar]", | ||
| "reason": "ContainersNotReady", | ||
| "status": "False", | ||
| "type": "Ready" | ||
| }, | ||
| { | ||
| "lastProbeTime": null, | ||
| "lastTransitionTime": "2021-04-23T08:45:58Z", | ||
| "message": "containers with unready status: [cloudstate-sidecar]", | ||
| "reason": "ContainersNotReady", | ||
| "status": "False", | ||
| "type": "ContainersReady" | ||
| }, | ||
| { | ||
| "lastProbeTime": null, | ||
| "lastTransitionTime": "2021-04-23T08:45:58Z", | ||
| "status": "True", | ||
| "type": "PodScheduled" | ||
| } | ||
| ], | ||
| "containerStatuses": [ | ||
| { | ||
| "lastState": { | ||
| "terminated": { | ||
| "exitCode": 0, | ||
| "finishedAt": "2021-04-23T12:41:11Z", | ||
| "reason": "Completed", | ||
| "startedAt": "2021-04-23T12:41:04Z" | ||
| } | ||
| }, | ||
| "name": "cloudstate-sidecar", | ||
| "ready": false, | ||
| "restartCount": 50, | ||
| "started": false, | ||
| "state": { | ||
| "waiting": { | ||
| "message": "back-off 5m0s restarting failed container=cloudstate-sidecar pod=mesh-b4b946946-g8vfj_b58dbc88-3651-4fb4-8408-60c375592d1d(2ecb33a7-bac6-4a0f-8717-c3ffde85ddd9)", | ||
| "reason": "CrashLoopBackOff" | ||
| } | ||
| } | ||
| }, | ||
| { | ||
| "lastState": {}, | ||
| "name": "ppp-proxy", | ||
| "ready": true, | ||
| "restartCount": 0, | ||
| "started": true, | ||
| "state": { | ||
| "running": { | ||
| "startedAt": "2021-04-23T08:46:01Z" | ||
| } | ||
| } | ||
| }, | ||
| { | ||
| "lastState": {}, | ||
| "name": "user-function", | ||
| "ready": true, | ||
| "restartCount": 0, | ||
| "started": true, | ||
| "state": { | ||
| "running": { | ||
| "startedAt": "2021-04-23T08:46:01Z" | ||
| } | ||
| } | ||
| } | ||
| ], | ||
| "hostIP": "10.14.0.85", | ||
| "phase": "Running", | ||
| "podIP": "10.8.7.9", | ||
| "podIPs": [ | ||
| { | ||
| "ip": "10.8.7.9" | ||
| } | ||
| ], | ||
| "qosClass": "Burstable", | ||
| "startTime": "2021-04-23T08:45:58Z" | ||
| } | ||
| } | ||
| ] | ||
| } |
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