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commands/.../test,internal/util: use clientcmd's kubeconfig getter (#717
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,53 @@ | ||
| // Copyright 2018 The Operator-SDK 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 k8sutil | ||
|
|
||
| import ( | ||
| "fmt" | ||
|
|
||
| "k8s.io/client-go/rest" | ||
| "k8s.io/client-go/tools/clientcmd" | ||
| clientcmdapi "k8s.io/client-go/tools/clientcmd/api" | ||
| ) | ||
|
|
||
| // GetKubeconfigAndNamespace returns the *rest.Config and default namespace defined in the | ||
| // kubeconfig at the specified path. If no path is provided, returns the default *rest.Config | ||
| // and namespace | ||
| func GetKubeconfigAndNamespace(configPath string) (*rest.Config, string, error) { | ||
| var clientConfig clientcmd.ClientConfig | ||
| var apiConfig *clientcmdapi.Config | ||
| var err error | ||
| if configPath != "" { | ||
| apiConfig, err = clientcmd.LoadFromFile(configPath) | ||
| if err != nil { | ||
| return nil, "", fmt.Errorf("failed to load user provided kubeconfig: %v", err) | ||
| } | ||
| } else { | ||
| apiConfig, err = clientcmd.NewDefaultClientConfigLoadingRules().Load() | ||
| if err != nil { | ||
| return nil, "", fmt.Errorf("failed to get kubeconfig: %v", err) | ||
| } | ||
| } | ||
| clientConfig = clientcmd.NewDefaultClientConfig(*apiConfig, &clientcmd.ConfigOverrides{}) | ||
| kubeconfig, err := clientConfig.ClientConfig() | ||
| if err != nil { | ||
| return nil, "", err | ||
| } | ||
| namespace, _, err := clientConfig.Namespace() | ||
| if err != nil { | ||
| return nil, "", err | ||
| } | ||
| return kubeconfig, namespace, nil | ||
| } |
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