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Validate cluster and machine objects
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,112 @@ | ||
| /* | ||
| Copyright 2018 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 validation | ||
|
|
||
| import ( | ||
| "fmt" | ||
|
|
||
| meta_v1 "k8s.io/apimachinery/pkg/apis/meta/v1" | ||
| "sigs.k8s.io/cluster-api/pkg/apis/cluster/common" | ||
| "sigs.k8s.io/cluster-api/pkg/apis/cluster/v1alpha1" | ||
| "sigs.k8s.io/cluster-api/pkg/client/clientset_generated/clientset" | ||
| ) | ||
|
|
||
| func ValidateClusterAPIObjects(client *clientset.Clientset, clusterName string, namespace string) error { | ||
| fmt.Printf("Validating cluster API objects in namespace %q.\n", namespace) | ||
|
|
||
| cluster, err := getClusterObject(client, clusterName, namespace) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| if err := validateClusterObject(cluster); err != nil { | ||
| return err | ||
| } | ||
|
|
||
| machines, err := client.ClusterV1alpha1().Machines(namespace).List(meta_v1.ListOptions{}) | ||
| if err != nil { | ||
| return fmt.Errorf("Failed to get the machines from the apiserver in namespace %q: %v", namespace, err) | ||
| } | ||
| if err = validateMachineObjects(machines); err != nil { | ||
| return err | ||
| } | ||
|
|
||
| return nil | ||
| } | ||
|
|
||
| func getClusterObject(client *clientset.Clientset, clusterName string, namespace string) (*v1alpha1.Cluster, error) { | ||
| if clusterName != "" { | ||
| cluster, err := client.ClusterV1alpha1().Clusters(namespace).Get(clusterName, meta_v1.GetOptions{}) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("Failed to get the cluster %q from the apiserver in namespace %q: %v", clusterName, namespace, err) | ||
| } | ||
| return cluster, nil | ||
| } | ||
|
|
||
| clusters, err := client.ClusterV1alpha1().Clusters(namespace).List(meta_v1.ListOptions{}) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("Failed to get the clusters from the apiserver in namespace %q: %v", namespace, err) | ||
| } | ||
| if numOfClusters := len(clusters.Items); numOfClusters == 0 { | ||
| return nil, fmt.Errorf("Fail: No cluster exists in namespace %q.", namespace) | ||
| } else if numOfClusters > 1 { | ||
| return nil, fmt.Errorf("Fail: There are more than one cluster in namespace %q. Please specify --cluster-name.", namespace) | ||
| } | ||
| return &clusters.Items[0], nil | ||
| } | ||
|
|
||
| func validateClusterObject(cluster *v1alpha1.Cluster) error { | ||
| fmt.Printf("Checking cluster object %q... ", cluster.Name) | ||
| if cluster.Status.ErrorReason != "" || cluster.Status.ErrorMessage != "" { | ||
| fmt.Printf("FAIL\n") | ||
| fmt.Printf("\t[%v]: %s\n", cluster.Status.ErrorReason, cluster.Status.ErrorMessage) | ||
| return fmt.Errorf("Failed to validate the cluster %q.", cluster.Name) | ||
| } | ||
| fmt.Printf("PASS\n") | ||
| return nil | ||
| } | ||
|
|
||
| func validateMachineObjects(machines *v1alpha1.MachineList) error { | ||
| pass := true | ||
| for _, machine := range machines.Items { | ||
| fmt.Printf("Checking machine object %q... ", machine.Name) | ||
| if machine.Status.ErrorReason != nil || machine.Status.ErrorMessage != nil { | ||
| var reason common.MachineStatusError = "" | ||
| if machine.Status.ErrorReason != nil { | ||
| reason = *machine.Status.ErrorReason | ||
| } | ||
| var message string = "" | ||
| if machine.Status.ErrorMessage != nil { | ||
| message = *machine.Status.ErrorMessage | ||
| } | ||
| fmt.Printf("FAIL\n") | ||
| fmt.Printf("\t[%v]: %s\n", reason, message) | ||
| pass = false | ||
| continue | ||
| } | ||
| if machine.Status.NodeRef == nil { | ||
| fmt.Printf("FAIL\n") | ||
| fmt.Printf("\tThe corresponding node does not exist.\n") | ||
| pass = false | ||
| continue | ||
| } | ||
| fmt.Printf("PASS\n") | ||
| } | ||
| if !pass { | ||
| return fmt.Errorf("Failed to validate machine objects.") | ||
| } | ||
| return nil | ||
| } |
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