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Merge pull request rook#9104 from BlaineEXE/nfs-restart-with-configmap
nfs: restart nfs servers when configmap is updated
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,209 @@ | ||
| /* | ||
| Copyright 2021 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 nfs manages NFS ganesha servers for Ceph | ||
| package nfs | ||
|
|
||
| import ( | ||
| "context" | ||
| "testing" | ||
|
|
||
| "github.com/pkg/errors" | ||
| 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" | ||
| cephclient "github.com/rook/rook/pkg/daemon/ceph/client" | ||
| cephver "github.com/rook/rook/pkg/operator/ceph/version" | ||
| exectest "github.com/rook/rook/pkg/util/exec/test" | ||
| "github.com/stretchr/testify/assert" | ||
| metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" | ||
| k8sfake "k8s.io/client-go/kubernetes/fake" | ||
| "sigs.k8s.io/controller-runtime/pkg/client/fake" | ||
| ) | ||
|
|
||
| func TestReconcileCephNFS_createConfigMap(t *testing.T) { | ||
| s := scheme.Scheme | ||
|
|
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| clientset := k8sfake.NewSimpleClientset() | ||
|
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| c := &clusterd.Context{ | ||
| Executor: &exectest.MockExecutor{}, | ||
| Clientset: clientset, | ||
| } | ||
|
|
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| r := &ReconcileCephNFS{ | ||
| scheme: s, | ||
| context: c, | ||
| clusterInfo: &cephclient.ClusterInfo{ | ||
| FSID: "myfsid", | ||
| CephVersion: cephver.Octopus, | ||
| }, | ||
| cephClusterSpec: &cephv1.ClusterSpec{ | ||
| CephVersion: cephv1.CephVersionSpec{ | ||
| Image: "quay.io/ceph/ceph:v15", | ||
| }, | ||
| }, | ||
| } | ||
|
|
||
| nfs := &cephv1.CephNFS{ | ||
| ObjectMeta: metav1.ObjectMeta{ | ||
| Name: "my-nfs", | ||
| Namespace: "rook-ceph-test-ns", | ||
| }, | ||
| Spec: cephv1.NFSGaneshaSpec{ | ||
| RADOS: cephv1.GaneshaRADOSSpec{ | ||
| Pool: "myfs-data0", | ||
| Namespace: "nfs-test-ns", | ||
| }, | ||
| Server: cephv1.GaneshaServerSpec{ | ||
| Active: 3, | ||
| }, | ||
| }, | ||
| } | ||
|
|
||
| t.Run("running multiple times should give the same hash", func(t *testing.T) { | ||
| cmName, hash1, err := r.createConfigMap(nfs, "a") | ||
| assert.NoError(t, err) | ||
| assert.Equal(t, "rook-ceph-nfs-my-nfs-a", cmName) | ||
| _, err = r.context.Clientset.CoreV1().ConfigMaps("rook-ceph-test-ns").Get(context.TODO(), cmName, metav1.GetOptions{}) | ||
| assert.NoError(t, err) | ||
|
|
||
| _, hash2, err := r.createConfigMap(nfs, "a") | ||
| assert.NoError(t, err) | ||
| _, err = r.context.Clientset.CoreV1().ConfigMaps("rook-ceph-test-ns").Get(context.TODO(), cmName, metav1.GetOptions{}) | ||
| assert.NoError(t, err) | ||
|
|
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| assert.Equal(t, hash1, hash2) | ||
| }) | ||
|
|
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| t.Run("running with different IDs should give different hashes", func(t *testing.T) { | ||
| cmName, hash1, err := r.createConfigMap(nfs, "a") | ||
| assert.NoError(t, err) | ||
| assert.Equal(t, "rook-ceph-nfs-my-nfs-a", cmName) | ||
| _, err = r.context.Clientset.CoreV1().ConfigMaps("rook-ceph-test-ns").Get(context.TODO(), cmName, metav1.GetOptions{}) | ||
| assert.NoError(t, err) | ||
|
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| _, hash2, err := r.createConfigMap(nfs, "b") | ||
| assert.NoError(t, err) | ||
| _, err = r.context.Clientset.CoreV1().ConfigMaps("rook-ceph-test-ns").Get(context.TODO(), cmName, metav1.GetOptions{}) | ||
| assert.NoError(t, err) | ||
|
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| assert.NotEqual(t, hash1, hash2) | ||
| }) | ||
|
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| t.Run("running with different configs should give different hashes", func(t *testing.T) { | ||
| cmName, hash1, err := r.createConfigMap(nfs, "a") | ||
| assert.NoError(t, err) | ||
| assert.Equal(t, "rook-ceph-nfs-my-nfs-a", cmName) | ||
| _, err = r.context.Clientset.CoreV1().ConfigMaps("rook-ceph-test-ns").Get(context.TODO(), cmName, metav1.GetOptions{}) | ||
| assert.NoError(t, err) | ||
|
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| nfs2 := nfs.DeepCopy() | ||
| nfs2.Name = "nfs-two" | ||
| _, hash2, err := r.createConfigMap(nfs2, "a") | ||
| assert.NoError(t, err) | ||
| _, err = r.context.Clientset.CoreV1().ConfigMaps("rook-ceph-test-ns").Get(context.TODO(), cmName, metav1.GetOptions{}) | ||
| assert.NoError(t, err) | ||
|
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| assert.NotEqual(t, hash1, hash2) | ||
| }) | ||
| } | ||
|
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| func TestReconcileCephNFS_upCephNFS(t *testing.T) { | ||
| ns := "up-ceph-ns-namespace" | ||
|
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| s := scheme.Scheme | ||
|
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| clientset := k8sfake.NewSimpleClientset() | ||
|
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| executor := &exectest.MockExecutor{ | ||
| MockExecuteCommandWithOutput: func(command string, args ...string) (string, error) { | ||
| logger.Infof("executing command: %s %+v", command, args) | ||
| if args[0] == "auth" { | ||
| if args[1] == "get-or-create-key" { | ||
| return "{\"key\":\"mysecurekey\"}", nil | ||
| } | ||
| } | ||
| panic(errors.Errorf("unhandled command %s %v", command, args)) | ||
| }, | ||
| } | ||
|
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| client := fake.NewClientBuilder().WithScheme(s).WithRuntimeObjects().Build() | ||
|
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| c := &clusterd.Context{ | ||
| Executor: executor, | ||
| Client: client, | ||
| Clientset: clientset, | ||
| } | ||
|
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| r := &ReconcileCephNFS{ | ||
| scheme: s, | ||
| context: c, | ||
| clusterInfo: &cephclient.ClusterInfo{ | ||
| FSID: "myfsid", | ||
| CephVersion: cephver.Octopus, | ||
| Context: context.TODO(), | ||
| Namespace: ns, | ||
| }, | ||
| cephClusterSpec: &cephv1.ClusterSpec{ | ||
| CephVersion: cephv1.CephVersionSpec{ | ||
| Image: "quay.io/ceph/ceph:v15", | ||
| }, | ||
| }, | ||
| } | ||
|
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| nfs := &cephv1.CephNFS{ | ||
| ObjectMeta: metav1.ObjectMeta{ | ||
| Name: "my-nfs", | ||
| Namespace: ns, | ||
| }, | ||
| Spec: cephv1.NFSGaneshaSpec{ | ||
| RADOS: cephv1.GaneshaRADOSSpec{ | ||
| Pool: "myfs-data0", | ||
| Namespace: "nfs-test-ns", | ||
| }, | ||
| Server: cephv1.GaneshaServerSpec{ | ||
| Active: 2, | ||
| }, | ||
| }, | ||
| } | ||
|
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| err := r.upCephNFS(nfs) | ||
| assert.NoError(t, err) | ||
|
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| deps, err := r.context.Clientset.AppsV1().Deployments(ns).List(context.TODO(), metav1.ListOptions{}) | ||
| assert.NoError(t, err) | ||
| assert.Len(t, deps.Items, 2) | ||
| names := []string{} | ||
| hashes := []string{} | ||
| for _, dep := range deps.Items { | ||
| names = append(names, dep.Name) | ||
| assert.Contains(t, dep.Spec.Template.Annotations, "config-hash") | ||
| hashes = append(hashes, dep.Spec.Template.Annotations["config-hash"]) | ||
| } | ||
| assert.ElementsMatch(t, []string{"rook-ceph-nfs-my-nfs-a", "rook-ceph-nfs-my-nfs-b"}, names) | ||
| assert.NotEqual(t, hashes[0], hashes[1]) | ||
|
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| svcs, err := r.context.Clientset.CoreV1().Services(ns).List(context.TODO(), metav1.ListOptions{}) | ||
| assert.NoError(t, err) | ||
| // Each NFS server gets a service. | ||
| assert.Len(t, svcs.Items, 2) | ||
| names = []string{} | ||
| for _, svc := range svcs.Items { | ||
| names = append(names, svc.Name) | ||
| } | ||
| assert.ElementsMatch(t, []string{"rook-ceph-nfs-my-nfs-a", "rook-ceph-nfs-my-nfs-b"}, names) | ||
| } |
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