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controller_test.go
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controller_test.go
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/*
Copyright 2016 The Rook Authors. All rights reserved.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package cluster
import (
"context"
"testing"
"time"
cephv1 "github.com/rook/rook/pkg/apis/ceph.rook.io/v1"
"github.com/rook/rook/pkg/client/clientset/versioned/scheme"
"github.com/rook/rook/pkg/clusterd"
"github.com/stretchr/testify/assert"
corev1 "k8s.io/api/core/v1"
kerrors "k8s.io/apimachinery/pkg/api/errors"
"k8s.io/apimachinery/pkg/api/meta"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/runtime/schema"
"k8s.io/apimachinery/pkg/types"
k8sfake "k8s.io/client-go/kubernetes/fake"
"k8s.io/client-go/tools/record"
"sigs.k8s.io/controller-runtime/pkg/client"
"sigs.k8s.io/controller-runtime/pkg/client/fake"
clientfake "sigs.k8s.io/controller-runtime/pkg/client/fake"
"sigs.k8s.io/controller-runtime/pkg/reconcile"
)
func TestReconcileDeleteCephCluster(t *testing.T) {
ctx := context.TODO()
cephNs := "rook-ceph"
clusterName := "my-cluster"
nsName := types.NamespacedName{
Name: clusterName,
Namespace: cephNs,
}
fakeCluster := &cephv1.CephCluster{
ObjectMeta: metav1.ObjectMeta{
Name: clusterName,
Namespace: cephNs,
DeletionTimestamp: &metav1.Time{Time: time.Now()},
},
}
fakePool := &cephv1.CephBlockPool{
TypeMeta: metav1.TypeMeta{
Kind: "CephBlockPool",
APIVersion: "ceph.rook.io/v1",
},
ObjectMeta: metav1.ObjectMeta{
Name: "my-block-pool",
Namespace: cephNs,
},
}
// create a Rook-Ceph scheme to use for our tests
scheme := runtime.NewScheme()
assert.NoError(t, cephv1.AddToScheme(scheme))
t.Run("deletion blocked while dependencies exist", func(t *testing.T) {
// set up clusterd.Context
clusterdCtx := &clusterd.Context{
Clientset: k8sfake.NewSimpleClientset(),
}
// create the cluster controller and tell it that the cluster has been deleted
controller := NewClusterController(clusterdCtx, "")
fakeRecorder := record.NewFakeRecorder(5)
controller.recorder = fakeRecorder
// Create a fake client to mock API calls
// Make sure it has the fake CephCluster that is to be deleted in it
client := clientfake.NewClientBuilder().WithScheme(scheme).WithRuntimeObjects(fakeCluster, fakePool).Build()
err := corev1.AddToScheme(scheme)
assert.NoError(t, err)
// Create a ReconcileCephClient object with the scheme and fake client.
reconcileCephCluster := &ReconcileCephCluster{
client: client,
scheme: scheme,
context: clusterdCtx,
clusterController: controller,
opManagerContext: context.TODO(),
}
req := reconcile.Request{NamespacedName: nsName}
resp, err := reconcileCephCluster.Reconcile(ctx, req)
assert.NoError(t, err)
assert.NotZero(t, resp.RequeueAfter)
event := <-fakeRecorder.Events
assert.Contains(t, event, "CephBlockPool")
assert.Contains(t, event, "my-block-pool")
blockedCluster := &cephv1.CephCluster{}
err = client.Get(ctx, nsName, blockedCluster)
assert.NoError(t, err)
status := blockedCluster.Status
assert.Equal(t, cephv1.ConditionDeleting, status.Phase)
assert.Equal(t, cephv1.ClusterState(cephv1.ConditionDeleting), status.State)
assert.Equal(t, corev1.ConditionTrue, cephv1.FindStatusCondition(status.Conditions, cephv1.ConditionDeleting).Status)
assert.Equal(t, corev1.ConditionTrue, cephv1.FindStatusCondition(status.Conditions, cephv1.ConditionDeletionIsBlocked).Status)
// delete blocking dependency
err = client.Delete(ctx, fakePool)
assert.NoError(t, err)
resp, err = reconcileCephCluster.Reconcile(ctx, req)
assert.NoError(t, err)
assert.True(t, resp.IsZero())
event = <-fakeRecorder.Events
assert.Contains(t, event, "Deleting")
unblockedCluster := &cephv1.CephCluster{}
err = client.Get(ctx, nsName, unblockedCluster)
assert.Error(t, err)
assert.True(t, kerrors.IsNotFound(err))
})
}
func TestRemoveFinalizers(t *testing.T) {
reconcileCephCluster := &ReconcileCephCluster{
opManagerContext: context.TODO(),
}
s := scheme.Scheme
fakeObject1 := &cephv1.CephCluster{
ObjectMeta: metav1.ObjectMeta{
Name: "test",
Namespace: "rook-ceph",
Finalizers: []string{
"cephcluster.ceph.rook.io",
},
},
TypeMeta: metav1.TypeMeta{
Kind: "CephCluster",
},
}
schema1 := schema.GroupVersion{Group: "ceph.rook.io", Version: "v1"}
fakeObject2 := &corev1.Secret{
ObjectMeta: metav1.ObjectMeta{
Name: "test",
Namespace: "rook-ceph",
Finalizers: []string{
"ceph.rook.io/disaster-protection",
},
},
TypeMeta: metav1.TypeMeta{
Kind: "Secret",
},
}
schema2 := schema.GroupVersion{Group: "", Version: "v1"}
tests := []struct {
name string
finalizer string
object client.Object
schema schema.GroupVersion
}{
{"CephCluster", "cephcluster.ceph.rook.io", fakeObject1, schema1},
{"mon secret", "ceph.rook.io/disaster-protection", fakeObject2, schema2},
}
for _, tt := range tests {
t.Run("delete finalizer for "+tt.name, func(t *testing.T) {
fakeObject, err := meta.Accessor(tt.object)
assert.NoError(t, err)
object := []runtime.Object{
tt.object,
}
s.AddKnownTypes(tt.schema, tt.object)
cl := fake.NewClientBuilder().WithScheme(s).WithRuntimeObjects(object...).Build()
assert.NotEmpty(t, fakeObject.GetFinalizers())
name := types.NamespacedName{Name: fakeObject.GetName(), Namespace: fakeObject.GetNamespace()}
err = reconcileCephCluster.removeFinalizer(cl, name, tt.object, tt.finalizer)
assert.NoError(t, err)
assert.Empty(t, fakeObject.GetFinalizers())
})
}
}