116 lines
		
	
	
		
			3.4 KiB
		
	
	
	
		
			Go
		
	
	
	
			
		
		
	
	
			116 lines
		
	
	
		
			3.4 KiB
		
	
	
	
		
			Go
		
	
	
	
package cluster
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import (
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	"testing"
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	"time"
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	"context"
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	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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	"k8s.io/apimachinery/pkg/types"
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	"github.com/stretchr/testify/assert"
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	acidv1 "github.com/zalando/postgres-operator/pkg/apis/acid.zalan.do/v1"
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	fakeacidv1 "github.com/zalando/postgres-operator/pkg/generated/clientset/versioned/fake"
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	"github.com/zalando/postgres-operator/pkg/util/config"
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	"github.com/zalando/postgres-operator/pkg/util/k8sutil"
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	"k8s.io/client-go/kubernetes/fake"
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)
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func newFakeK8sSyncClient() (k8sutil.KubernetesClient, *fake.Clientset) {
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	acidClientSet := fakeacidv1.NewSimpleClientset()
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	clientSet := fake.NewSimpleClientset()
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	return k8sutil.KubernetesClient{
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		PodsGetter:         clientSet.CoreV1(),
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		PostgresqlsGetter:  acidClientSet.AcidV1(),
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		StatefulSetsGetter: clientSet.AppsV1(),
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	}, clientSet
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}
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func TestSyncStatefulSetsAnnotations(t *testing.T) {
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	testName := "test syncing statefulsets annotations"
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	client, _ := newFakeK8sSyncClient()
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	clusterName := "acid-test-cluster"
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	namespace := "default"
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	inheritedAnnotation := "environment"
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	pg := acidv1.Postgresql{
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		ObjectMeta: metav1.ObjectMeta{
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			Name:        clusterName,
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			Namespace:   namespace,
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			Annotations: map[string]string{inheritedAnnotation: "test"},
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		},
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		Spec: acidv1.PostgresSpec{
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			Volume: acidv1.Volume{
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				Size: "1Gi",
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			},
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		},
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	}
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	var cluster = New(
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		Config{
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			OpConfig: config.Config{
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				PodManagementPolicy: "ordered_ready",
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				Resources: config.Resources{
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					ClusterLabels:         map[string]string{"application": "spilo"},
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					ClusterNameLabel:      "cluster-name",
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					DefaultCPURequest:     "300m",
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					DefaultCPULimit:       "300m",
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					DefaultMemoryRequest:  "300Mi",
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					DefaultMemoryLimit:    "300Mi",
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					InheritedAnnotations:  []string{inheritedAnnotation},
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					PodRoleLabel:          "spilo-role",
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					ResourceCheckInterval: time.Duration(3),
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					ResourceCheckTimeout:  time.Duration(10),
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				},
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			},
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		}, client, pg, logger, eventRecorder)
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	cluster.Name = clusterName
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	cluster.Namespace = namespace
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	// create a statefulset
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	_, err := cluster.createStatefulSet()
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	assert.NoError(t, err)
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	// patch statefulset and add annotation
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	patchData, err := metaAnnotationsPatch(map[string]string{"test-anno": "true"})
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	assert.NoError(t, err)
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	newSts, err := cluster.KubeClient.StatefulSets(namespace).Patch(
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		context.TODO(),
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		clusterName,
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		types.MergePatchType,
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		[]byte(patchData),
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		metav1.PatchOptions{},
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		"")
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	assert.NoError(t, err)
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	cluster.Statefulset = newSts
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	// first compare running with desired statefulset - they should not match
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	// because no inherited annotations or downscaler annotations are configured
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	desiredSts, err := cluster.generateStatefulSet(&cluster.Postgresql.Spec)
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	assert.NoError(t, err)
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	cmp := cluster.compareStatefulSetWith(desiredSts)
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	if cmp.match {
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		t.Errorf("%s: match between current and desired statefulsets albeit differences: %#v", testName, cmp)
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	}
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	// now sync statefulset - the diff will trigger a replacement of the statefulset
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	cluster.syncStatefulSet()
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	// compare again after the SYNC - must be identical to the desired state
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	cmp = cluster.compareStatefulSetWith(desiredSts)
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	if !cmp.match {
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		t.Errorf("%s: current and desired statefulsets are not matching %#v", testName, cmp)
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	}
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	// check if inherited annotation exists
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	if _, exists := desiredSts.Annotations[inheritedAnnotation]; !exists {
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		t.Errorf("%s: inherited annotation not found in desired statefulset: %#v", testName, desiredSts.Annotations)
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	}
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}
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