$ kubectl get ksvc
NAME URL LATESTCREATED LATESTREADY READY REASON
hello http://hello.default.svc.cluster.local hello-00001 False RevisionMissing
serving-app http://serving-app.default.svc.cluster.local serving-app-00001 serving-app-00001 False RevisionMissing
EUR+rajekum@SAG-JZQC0F3 MINGW64 ~
$ kubectl get routes
NAME URL READY REASON
hello http://hello.default.svc.cluster.local False RevisionMissing
serving-app http://serving-app.default.svc.cluster.local False RevisionMissing
$ kubectl describe ksvc hello
Status:
Conditions:
Last Transition Time: 2022-12-21T06:51:16Z
Message: Revision "hello-00001" failed with message: Back-off pulling image "gcr.io/knative-samples/helloworld-go@sha256:5ea96ba4b872685ff4ddb5cd8d1a97ec18c18fae79ee8df0d29f446c5efe5f50".
Reason: RevisionFailed
Status: False
Type: ConfigurationsReady
Last Transition Time: 2022-12-21T06:51:16Z
Message: Configuration "hello" does not have any ready Revision.
Reason: RevisionMissing
Status: False
Type: Ready
Last Transition Time: 2022-12-21T06:51:16Z
Message: Configuration "hello" does not have any ready Revision.
Reason: RevisionMissing
Status: False
Type: RoutesReady
Latest Created Revision Name: hello-00001
Observed Generation: 1
URL: http://hello.default.svc.cluster.local
Events:
Type Reason Age From Message
---- ------ ---- ---- -------
Normal Created 40m service-controller Created Configuration "hello"
Normal Created 40m service-controller Created Route "hello"
$ kubectl describe revision
Events:
Type Reason Age From Message
---- ------ ---- ---- -------
Warning InternalError 27m (x2 over 38m) revision-controller failed to update deployment "hello-00001-deployment": Operation cannot be fulfilled on deployments.apps "hello-00001-deployment": the object has been modified; please apply your changes to the latest version and try again
$ kubectl get deploy
NAME READY UP-TO-DATE AVAILABLE AGE
hello-00001-deployment 0/0 0 0 40m
serving-app-00001-deployment 0/0 0 0 99m
$ kubectl describe deploy hello-00001-deployment
Available True MinimumReplicasAvailable
Progressing True NewReplicaSetAvailable
OldReplicaSets: <none>
NewReplicaSet: hello-00001-deployment-77c8db45b6 (0/0 replicas created)
Events:
Type Reason Age From Message
---- ------ ---- ---- -------
Normal ScalingReplicaSet 41m deployment-controller Scaled up replica set hello-00001-deployment-77c8db45b6 to 1
Normal ScalingReplicaSet 30m deployment-controller Scaled down replica set hello-00001-deployment-77c8db45b6 to 0 from 1
$ kubectl get deploy
NAME READY UP-TO-DATE AVAILABLE AGE
hello-00001-deployment 0/0 0 0 43m
serving-app-00001-deployment 0/0 0 0 102m
$ kubectl get images
NAME IMAGE
hello-00001-cache-user-container gcr.io/knative-samples/helloworld-go@sha256:5ea96ba4b872685ff4ddb5cd8d1a97ec18c18fae79ee8df0d29f446c5efe5f50
serving-app-00001-cache-user-container index.docker.io/bsucaciu/knative-serving@sha256:42e21f8c91dda289abb271791eb85e919b504e5702d824c83bedd74006905fc3
$ kubectl get ds
No resources found in default namespace.
$ kubectl logs deployment/controller -n knative-serving | grep "error"
{"severity":"ERROR","timestamp":"2022-12-21T06:51:47.621647033Z","logger":"controller","caller":"controller/controller.go:566","message":"Reconcile error","commit":"d7e9873","knative.dev/pod":"controller-6f9fb85fbd-55bjc","knative.dev/controller":"knative.dev.serving.pkg.reconciler.revision.Reconciler","knative.dev/kind":"serving.knative.dev.Revision","knative.dev/traceid":"e4667e9d-fdbf-43eb-9cfb-ec52e43a39c9","knative.dev/key":"default/hello-00001","duration":"1.204800462s","error":"failed to update deployment \"hello-00001-deployment\": Operation cannot be fulfilled on deployments.apps \"hello-00001-deployment\": the object has been modified; please apply your changes to the latest version and try again","stacktrace":"knative.dev/pkg/controller.(*Impl).handleErr\n\tknative.dev/pkg@v0.0.0-20221123011842-b78020c16606/controller/controller.go:566\nknative.dev/pkg/controller.(*Impl).processNextWorkItem\n\tknative.dev/pkg@v0.0.0-20221123011842-b78020c16606/controller/controller.go:543\nknative.dev/pkg/controller.(*Impl).RunContext.func3\n\tknative.dev/pkg@v0.0.0-20221123011842-b78020c16606/controller/controller.go:491"}
# Do you see any events from your KService or Deployment?
$ kubectl logs deployment/controller -n knative-serving | grep "error" | less
{"severity":"ERROR","timestamp":"2022-12-21T06:06:48.890339554Z","logger":"controller","caller":"revision/reconciler.go:302","message":"Returned an error","commit":"d7e9873","knative.dev/pod":"controller-6f9fb85fbd-55bjc","knative.dev/controller":"knative.dev.serving.pkg.reconciler.revision.Reconciler","knative.dev/kind":"serving.knative.dev.Revision","knative.dev/traceid":"4fcbdbe9-78be-47f1-95fc-818a378d284d","knative.dev/key":"default/serving-app-00001","targetMethod":"ReconcileKind","error":"failed to update deployment \"serving-app-00001-deployment\": Operation cannot be fulfilled on deployments.apps \"serving-app-00001-deployment\": the object has been modified; please apply your changes to the latest version and try again","stacktrace":"knative.dev/serving/pkg/client/injection/reconciler/serving/v1/revision.(*reconcilerImpl).Reconcile\n\tknative.dev/serving/pkg/client/injection/reconciler/serving/v1/revision/reconciler.go:302\nknative.dev/pkg/controller.(*Impl).processNextWorkItem\n\tknative.dev/pkg@v0.0.0-20221123011842-b78020c16606/controller/controller.go:542\nknative.dev/pkg/controller.(*Impl).RunContext.func3\n\tknative.dev/pkg@v0.0.0-20221123011842-b78020c16606/controller/controller.go:491"}
{"severity":"ERROR","timestamp":"2022-12-21T06:06:48.892347992Z","logger":"controller","caller":"controller/controller.go:566","message":"Reconcile error","commit":"d7e9873","knative.dev/pod":"controller-6f9fb85fbd-55bjc","knative.dev/controller":"knative.dev.serving.pkg.reconciler.revision.Reconciler","knative.dev/kind":"serving.knative.dev.Revision","knative.dev/traceid":"4fcbdbe9-78be-47f1-95fc-818a378d284d","knative.dev/key":"default/serving-app-00001","duration":"1.699373163s","error":"failed to update deployment \"serving-app-00001-deployment\": Operation cannot be fulfilled on deployments.apps \"serving-app-00001-deployment\": the object has been modified; please apply your changes to the latest version and try again","stacktrace":"knative.dev/pkg/controller.(*Impl).handleErr\n\tknative.dev/pkg@v0.0.0-20221123011842-b78020c16606/controller/controller.go:566\nknative.dev/pkg/controller.(*Impl).processNextWorkItem\n\tknative.dev/pkg@v0.0.0-20221123011842-b78020c16606/controller/controller.go:543\nknative.dev/pkg/controller.(*Impl).RunContext.func3\n\tknative.dev/pkg@v0.0.0-20221123011842-b78020c16606/controller/controller.go:491"}
{"severity":"ERROR","timestamp":"2022-12-21T06:41:16.015403555Z","logger":"controller","caller":"revision/reconciler.go:302","message":"Returned an error","commit":"d7e9873","knative.dev/pod":"controller-6f9fb85fbd-55bjc","knative.dev/controller":"knative.dev.serving.pkg.reconciler.revision.Reconciler","knative.dev/kind":"serving.knative.dev.Revision","knative.dev/traceid":"1ac948f0-f996-4335-be47-1a054f4dfe59","knative.dev/key":"default/hello-00001","targetMethod":"ReconcileKind","error":"failed to update deployment \"hello-00001-deployment\": Operation cannot be fulfilled on deployments.apps \"hello-00001-deployment\": the object has been modified; please apply your changes to the latest version and try again","stacktrace":"knative.dev/serving/pkg/client/injection/reconciler/serving/v1/revision.(*reconcilerImpl).Reconcile\n\tknative.dev/serving/pkg/client/injection/reconciler/serving/v1/revision/reconciler.go:302\nknative.dev/pkg/controller.(*Impl).processNextWorkItem\n\tknative.dev/pkg@v0.0.0-20221123011842-b78020c16606/controller/controller.go:542\nknative.dev/pkg/controller.(*Impl).RunContext.func3\n\tknative.dev/pkg@v0.0.0-20221123011842-b78020c16606/controller/controller.go:491"}
{"severity":"ERROR","timestamp":"2022-12-21T06:41:16.018854542Z","logger":"controller","caller":"controller/controller.go:566","message":"Reconcile error","commit":"d7e9873","knative.dev/pod":"controller-6f9fb85fbd-55bjc","knative.dev/controller":"knative.dev.serving.pkg.reconciler.revision.Reconciler","knative.dev/kind":"serving.knative.dev.Revision","knative.dev/traceid":"1ac948f0-f996-4335-be47-1a054f4dfe59","knative.dev/key":"default/hello-00001","duration":"648.079413ms","error":"failed to update deployment \"hello-00001-deployment\": Operation cannot be fulfilled on deployments.apps \"hello-00001-deployment\": the ob
# What does your deployment look like?
$ kubectl get deployment -l "serving.knative.dev/service=knative-service" --output yaml
# Do you see any events from your KService or Deployment?
$ kubectl get ksvc
$ kubectl describe ksvc knative-service
$ kubectl describe ksvc hello
$ kubectl describe deployment -l "serving.knative.dev/service=knative-service"
$ kubectl describe deployment -l "serving.knative.dev/service=hello"
$ kubectl get deploy
NAME READY UP-TO-DATE AVAILABLE AGE
hello-00001-deployment 0/1 1 0 63m
serving-app-00001-deployment 0/0 0 0 121m
$ kubectl get rs
NAME DESIRED CURRENT READY AGE
hello-00001-deployment-77c8db45b6 1 1 0 63m
serving-app-00001-deployment-589886b858 0 0 0 122m
$ kubectl get pods
NAME READY STATUS RESTARTS AGE
hello-00001-deployment-77c8db45b6-2vjj7 0/2 ContainerCreating 0 61s
$ kubectl get pods
NAME READY STATUS RESTARTS AGE
hello-00001-deployment-77c8db45b6-2vjj7 0/2 ContainerCreating 0 78s
$ kubectl get pods
NAME READY STATUS RESTARTS AGE
hello-00001-deployment-77c8db45b6-2vjj7 0/2 ContainerCreating 0 91s
Events:
Type Reason Age From Message
---- ------ ---- ---- -------
Normal Scheduled 4m32s default-scheduler Successfully assigned default/hello1-00001-deployment-6db779fb45-tchhr to minikube
Warning Failed 2m4s kubelet Failed to pull image "index.docker.io/scmgalaxy/nginx-devopsschoolv1@sha256:0544f1e7eb70ee9967819f1655160f5457d47aa24910a32f357c1a41aab3d20b": rpc error: code = Unknown desc = context deadline exceeded
Warning Failed 2m4s kubelet Error: ErrImagePull
Normal Pulled 2m4s kubelet Container image "gcr.io/knative-releases/knative.dev/serving/cmd/queue@sha256:b87bce5143a9f7d890fdc14f00a6e50bbfaed12955f98b308bf50e33381809ec" already present on machine
Normal Created 2m kubelet Created container queue-proxy
Normal Started 112s kubelet Started container queue-proxy
Normal Pulling 104s (x2 over 4m3s) kubelet Pulling image "index.docker.io/scmgalaxy/nginx-devopsschoolv1@sha256:0544f1e7eb70ee9967819f1655160f5457d47aa24910a32f357c1a41aab3d20b"
Warning Unhealthy 31s (x9 over 104s) kubelet Readiness probe failed: Get "http://172.17.0.16:8012/": context deadline exceeded (Client.Timeout exceeded while awaiting headers)
Warning Unhealthy 11s (x2 over 22s) kubelet Readiness probe failed: HTTP probe failed with statuscode: 503