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  1. JBoss Enterprise Application Platform
  2. JBEAP-17951

Operator error logs on scale down

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    Description

      Error messages can be found in operator logs after user performs a scale down task.

      reproduce

      • deploy operator
        ./build/run-openshift.sh
      • deploy quickstart project from operator repository
        oc apply -f deploy/crds/quickstart-cr.yaml
      • wait for both replicas to be ready
        oc get pods -w
        NAME                                READY   STATUS    RESTARTS   AGE
        quickstart-0                        1/1     Running   0          32s
        quickstart-1                        1/1     Running   0          32s
        wildfly-operator-5bcb545b46-2bjs8   1/1     Running   0          102s
      • scale down to 1
        oc patch wildflyserver quickstart -p '[{"op":"replace", "path":"/spec/replicas", "value":1}]' --type json
      • see the operator-logs.txt

      actual
      Error messages in operator log

      {"level":"error","ts":1571213256.675551,"logger":"wildlfyserver_resources","msg":"Failed to update resource","WildFlyServer.Namespace":"wildfly-test","WildFlyServer.Name":"quickstart","Resource.Name":"quickstart","Resource.Type":"*v1.StatefulSet","error":"Operation cannot be fulfilled on statefulsets.apps \"quickstart\": the object has been modified; please apply your changes to the latest version and try again","stacktrace":"github.com/go-logr/zapr.(*zapLogger).Error\n\t/go/pkg/mod/github.com/go-logr/zapr@v0.1.1/zapr.go:128\ngithub.com/wildfly/wildfly-operator/pkg/resources.Update\n\t/go/src/github.com/wildfly/wildfly-operator/pkg/resources/actions.go:72\ngithub.com/wildfly/wildfly-operator/pkg/controller/wildflyserver.(*ReconcileWildFlyServer).checkStatefulSet\n\t/go/src/github.com/wildfly/wildfly-operator/pkg/controller/wildflyserver/wildflyserver_controller.go:399\ngithub.com/wildfly/wildfly-operator/pkg/controller/wildflyserver.(*ReconcileWildFlyServer).Reconcile\n\t/go/src/github.com/wildfly/wildfly-operator/pkg/controller/wildflyserver/wildflyserver_controller.go:187\nsigs.k8s.io/controller-runtime/pkg/internal/controller.(*Controller).processNextWorkItem\n\t/go/pkg/mod/sigs.k8s.io/controller-runtime@v0.1.12/pkg/internal/controller/controller.go:215\nsigs.k8s.io/controller-runtime/pkg/internal/controller.(*Controller).Start.func1\n\t/go/pkg/mod/sigs.k8s.io/controller-runtime@v0.1.12/pkg/internal/controller/controller.go:158\nk8s.io/apimachinery/pkg/util/wait.JitterUntil.func1\n\t/go/pkg/mod/k8s.io/apimachinery@v0.0.0-20190221213512-86fb29eff628/pkg/util/wait/wait.go:133\nk8s.io/apimachinery/pkg/util/wait.JitterUntil\n\t/go/pkg/mod/k8s.io/apimachinery@v0.0.0-20190221213512-86fb29eff628/pkg/util/wait/wait.go:134\nk8s.io/apimachinery/pkg/util/wait.Until\n\t/go/pkg/mod/k8s.io/apimachinery@v0.0.0-20190221213512-86fb29eff628/pkg/util/wait/wait.go:88"}
      {"level":"error","ts":1571213256.6756332,"logger":"wildflyserver_controller","msg":"Failed to update StatefulSet.","StatefulSet.Namespace":"wildfly-test","StatefulSet.Name":"quickstart","error":"Operation cannot be fulfilled on statefulsets.apps \"quickstart\": the object has been modified; please apply your changes to the latest version and try again","stacktrace":"github.com/go-logr/zapr.(*zapLogger).Error\n\t/go/pkg/mod/github.com/go-logr/zapr@v0.1.1/zapr.go:128\ngithub.com/wildfly/wildfly-operator/pkg/controller/wildflyserver.(*ReconcileWildFlyServer).checkStatefulSet\n\t/go/src/github.com/wildfly/wildfly-operator/pkg/controller/wildflyserver/wildflyserver_controller.go:400\ngithub.com/wildfly/wildfly-operator/pkg/controller/wildflyserver.(*ReconcileWildFlyServer).Reconcile\n\t/go/src/github.com/wildfly/wildfly-operator/pkg/controller/wildflyserver/wildflyserver_controller.go:187\nsigs.k8s.io/controller-runtime/pkg/internal/controller.(*Controller).processNextWorkItem\n\t/go/pkg/mod/sigs.k8s.io/controller-runtime@v0.1.12/pkg/internal/controller/controller.go:215\nsigs.k8s.io/controller-runtime/pkg/internal/controller.(*Controller).Start.func1\n\t/go/pkg/mod/sigs.k8s.io/controller-runtime@v0.1.12/pkg/internal/controller/controller.go:158\nk8s.io/apimachinery/pkg/util/wait.JitterUntil.func1\n\t/go/pkg/mod/k8s.io/apimachinery@v0.0.0-20190221213512-86fb29eff628/pkg/util/wait/wait.go:133\nk8s.io/apimachinery/pkg/util/wait.JitterUntil\n\t/go/pkg/mod/k8s.io/apimachinery@v0.0.0-20190221213512-86fb29eff628/pkg/util/wait/wait.go:134\nk8s.io/apimachinery/pkg/util/wait.Until\n\t/go/pkg/mod/k8s.io/apimachinery@v0.0.0-20190221213512-86fb29eff628/pkg/util/wait/wait.go:88"}
      {"level":"error","ts":1571213256.675672,"logger":"kubebuilder.controller","msg":"Reconciler error","controller":"wildflyserver-controller","request":"wildfly-test/quickstart","error":"Operation cannot be fulfilled on statefulsets.apps \"quickstart\": the object has been modified; please apply your changes to the latest version and try again","stacktrace":"github.com/go-logr/zapr.(*zapLogger).Error\n\t/go/pkg/mod/github.com/go-logr/zapr@v0.1.1/zapr.go:128\nsigs.k8s.io/controller-runtime/pkg/internal/controller.(*Controller).processNextWorkItem\n\t/go/pkg/mod/sigs.k8s.io/controller-runtime@v0.1.12/pkg/internal/controller/controller.go:217\nsigs.k8s.io/controller-runtime/pkg/internal/controller.(*Controller).Start.func1\n\t/go/pkg/mod/sigs.k8s.io/controller-runtime@v0.1.12/pkg/internal/controller/controller.go:158\nk8s.io/apimachinery/pkg/util/wait.JitterUntil.func1\n\t/go/pkg/mod/k8s.io/apimachinery@v0.0.0-20190221213512-86fb29eff628/pkg/util/wait/wait.go:133\nk8s.io/apimachinery/pkg/util/wait.JitterUntil\n\t/go/pkg/mod/k8s.io/apimachinery@v0.0.0-20190221213512-86fb29eff628/pkg/util/wait/wait.go:134\nk8s.io/apimachinery/pkg/util/wait.Until\n\t/go/pkg/mod/k8s.io/apimachinery@v0.0.0-20190221213512-86fb29eff628/pkg/util/wait/wait.go:88"}
      

      expected
      No error messages in operator log.

      Operator image build from 0a221ea

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              ochaloup@redhat.com Ondrej Chaloupka (Inactive)
              pkremens@redhat.com Petr Kremensky (Inactive)
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                Updated:
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