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Add lifecycle hook handlers to test extension
Signed-off-by: killianmuldoon <[email protected]> Co-authored-by: ykakarap <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,16 @@ | ||
| apiVersion: rbac.authorization.k8s.io/v1 | ||
| kind: Role | ||
| metadata: | ||
| name: test-extension | ||
| rules: | ||
| - apiGroups: | ||
| - "" | ||
| resources: | ||
| - configmaps | ||
| verbs: | ||
| - get | ||
| - list | ||
| - watch | ||
| - patch | ||
| - update | ||
| - create |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,12 @@ | ||
| apiVersion: rbac.authorization.k8s.io/v1 | ||
| kind: RoleBinding | ||
| metadata: | ||
| name: test-extension | ||
| roleRef: | ||
| apiGroup: rbac.authorization.k8s.io | ||
| kind: Role | ||
| name: test-extension | ||
| subjects: | ||
| - kind: ServiceAccount | ||
| name: test-extension | ||
| namespace: ${SERVICE_NAMESPACE} |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,4 @@ | ||
| apiVersion: v1 | ||
| kind: ServiceAccount | ||
| metadata: | ||
| name: test-extension |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,159 @@ | ||
| /* | ||
| Copyright 2022 The Kubernetes Authors. | ||
| 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 lifecycle contains the handlers for the lifecycle hooks. | ||
| package lifecycle | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
|
|
||
| "github.com/pkg/errors" | ||
| corev1 "k8s.io/api/core/v1" | ||
| "k8s.io/apimachinery/pkg/types" | ||
| ctrl "sigs.k8s.io/controller-runtime" | ||
| "sigs.k8s.io/controller-runtime/pkg/client" | ||
| "sigs.k8s.io/yaml" | ||
|
|
||
| runtimehooksv1 "sigs.k8s.io/cluster-api/exp/runtime/hooks/api/v1alpha1" | ||
| runtimecatalog "sigs.k8s.io/cluster-api/internal/runtime/catalog" | ||
| ) | ||
|
|
||
| // Handler is the handler for the lifecycle hooks. | ||
| type Handler struct { | ||
| Client client.Client | ||
| } | ||
|
|
||
| // DoBeforeClusterCreate implements the BeforeClusterCreate hook. | ||
| func (h *Handler) DoBeforeClusterCreate(ctx context.Context, request *runtimehooksv1.BeforeClusterCreateRequest, response *runtimehooksv1.BeforeClusterCreateResponse) { | ||
| log := ctrl.LoggerFrom(ctx) | ||
| log.Info("BeforeClusterCreate is called") | ||
| cluster := request.Cluster | ||
| if err := h.recordCallInConfigMap(ctx, cluster.Name, cluster.Namespace, runtimehooksv1.BeforeClusterCreate); err != nil { | ||
| response.Status = runtimehooksv1.ResponseStatusFailure | ||
| response.Message = err.Error() | ||
| return | ||
| } | ||
| log.Info("BeforeClusterCreate has been recorded in configmap", "cm", cluster.Name+"-hookresponses") | ||
|
|
||
| err := h.readResponseFromConfigMap(ctx, cluster.Name, cluster.Namespace, runtimehooksv1.BeforeClusterCreate, response) | ||
| if err != nil { | ||
| response.Status = runtimehooksv1.ResponseStatusFailure | ||
| response.Message = err.Error() | ||
| return | ||
| } | ||
| } | ||
|
|
||
| // DoBeforeClusterUpgrade implements the BeforeClusterUpgrade hook. | ||
| func (h *Handler) DoBeforeClusterUpgrade(ctx context.Context, request *runtimehooksv1.BeforeClusterUpgradeRequest, response *runtimehooksv1.BeforeClusterUpgradeResponse) { | ||
| log := ctrl.LoggerFrom(ctx) | ||
| log.Info("BeforeClusterUpgrade is called") | ||
| cluster := request.Cluster | ||
| if err := h.recordCallInConfigMap(ctx, cluster.Name, cluster.Namespace, runtimehooksv1.BeforeClusterUpgrade); err != nil { | ||
| response.Status = runtimehooksv1.ResponseStatusFailure | ||
| response.Message = err.Error() | ||
| return | ||
| } | ||
| err := h.readResponseFromConfigMap(ctx, cluster.Name, cluster.Namespace, runtimehooksv1.BeforeClusterUpgrade, response) | ||
| if err != nil { | ||
| response.Status = runtimehooksv1.ResponseStatusFailure | ||
| response.Message = err.Error() | ||
| return | ||
| } | ||
| } | ||
|
|
||
| // DoAfterControlPlaneInitialized implements the AfterControlPlaneInitialized hook. | ||
| func (h *Handler) DoAfterControlPlaneInitialized(ctx context.Context, request *runtimehooksv1.AfterControlPlaneInitializedRequest, response *runtimehooksv1.AfterControlPlaneInitializedResponse) { | ||
| log := ctrl.LoggerFrom(ctx) | ||
| log.Info("AfterControlPlaneInitialized is called") | ||
| cluster := request.Cluster | ||
| if err := h.recordCallInConfigMap(ctx, cluster.Name, cluster.Namespace, runtimehooksv1.AfterControlPlaneInitialized); err != nil { | ||
| response.Status = runtimehooksv1.ResponseStatusFailure | ||
| response.Message = err.Error() | ||
| return | ||
| } | ||
| err := h.readResponseFromConfigMap(ctx, cluster.Name, cluster.Namespace, runtimehooksv1.AfterControlPlaneInitialized, response) | ||
| if err != nil { | ||
| response.Status = runtimehooksv1.ResponseStatusFailure | ||
| response.Message = err.Error() | ||
| return | ||
| } | ||
| } | ||
|
|
||
| // DoAfterControlPlaneUpgrade implements the AfterControlPlaneUpgrade hook. | ||
| func (h *Handler) DoAfterControlPlaneUpgrade(ctx context.Context, request *runtimehooksv1.AfterControlPlaneUpgradeRequest, response *runtimehooksv1.AfterControlPlaneUpgradeResponse) { | ||
| log := ctrl.LoggerFrom(ctx) | ||
| log.Info("AfterControlPlaneUpgrade is called") | ||
| cluster := request.Cluster | ||
| if err := h.recordCallInConfigMap(ctx, cluster.Name, cluster.Namespace, runtimehooksv1.AfterControlPlaneUpgrade); err != nil { | ||
| response.Status = runtimehooksv1.ResponseStatusFailure | ||
| response.Message = err.Error() | ||
| return | ||
| } | ||
| err := h.readResponseFromConfigMap(ctx, cluster.Name, cluster.Namespace, runtimehooksv1.AfterControlPlaneUpgrade, response) | ||
| if err != nil { | ||
| response.Status = runtimehooksv1.ResponseStatusFailure | ||
| response.Message = err.Error() | ||
| return | ||
| } | ||
| } | ||
|
|
||
| // DoAfterClusterUpgrade implements the AfterClusterUpgrade hook. | ||
| func (h *Handler) DoAfterClusterUpgrade(ctx context.Context, request *runtimehooksv1.AfterClusterUpgradeRequest, response *runtimehooksv1.AfterClusterUpgradeResponse) { | ||
| log := ctrl.LoggerFrom(ctx) | ||
| log.Info("AfterClusterUpgrade is called") | ||
| cluster := request.Cluster | ||
| if err := h.recordCallInConfigMap(ctx, cluster.Name, cluster.Namespace, runtimehooksv1.AfterClusterUpgrade); err != nil { | ||
| response.Status = runtimehooksv1.ResponseStatusFailure | ||
| response.Message = err.Error() | ||
| return | ||
| } | ||
| err := h.readResponseFromConfigMap(ctx, cluster.Name, cluster.Namespace, runtimehooksv1.AfterClusterUpgrade, response) | ||
| if err != nil { | ||
| response.Status = runtimehooksv1.ResponseStatusFailure | ||
| response.Message = err.Error() | ||
| return | ||
| } | ||
| } | ||
|
|
||
| func (h *Handler) readResponseFromConfigMap(ctx context.Context, name, namespace string, hook runtimecatalog.Hook, response runtimehooksv1.ResponseObject) error { | ||
| hookName := runtimecatalog.HookName(hook) | ||
| configMap := &corev1.ConfigMap{} | ||
| configMapName := name + "-hookresponses" | ||
| if err := h.Client.Get(ctx, client.ObjectKey{Namespace: namespace, Name: configMapName}, configMap); err != nil { | ||
| return errors.Wrapf(err, "failed to read the ConfigMap %s/%s", namespace, configMapName) | ||
| } | ||
| if err := yaml.Unmarshal([]byte(configMap.Data[hookName+"-response"]), response); err != nil { | ||
| return errors.Wrapf(err, "failed to read %q response information from ConfigMap", hook) | ||
| } | ||
| return nil | ||
| } | ||
|
|
||
| func (h *Handler) recordCallInConfigMap(ctx context.Context, name, namespace string, hook runtimecatalog.Hook) error { | ||
| hookName := runtimecatalog.HookName(hook) | ||
| configMap := &corev1.ConfigMap{} | ||
| configMapName := name + "-hookresponses" | ||
| if err := h.Client.Get(ctx, client.ObjectKey{Namespace: namespace, Name: configMapName}, configMap); err != nil { | ||
| return errors.Wrapf(err, "failed to read the ConfigMap %s/%s", namespace, configMapName) | ||
| } | ||
|
|
||
| patch := client.RawPatch(types.MergePatchType, | ||
| []byte(fmt.Sprintf(`{"data":{"%s-called":"true"}}`, hookName))) | ||
| if err := h.Client.Patch(ctx, configMap, patch); err != nil { | ||
| return errors.Wrapf(err, "failed to update the ConfigMap %s/%s", namespace, configMapName) | ||
| } | ||
| return nil | ||
| } |
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