mirror of https://github.com/kubernetes/kops.git
87 lines
2.3 KiB
Go
87 lines
2.3 KiB
Go
/*
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Copyright 2017 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package cmd
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import (
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"fmt"
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"k8s.io/client-go/kubernetes"
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"k8s.io/client-go/rest"
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"k8s.io/client-go/tools/clientcmd"
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_ "k8s.io/client-go/plugin/pkg/client/auth"
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certmanager "github.com/jetstack/cert-manager/pkg/client/clientset/versioned"
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)
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type Factory interface {
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KubernetesClient() (kubernetes.Interface, error)
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CertManagerClient() (certmanager.Interface, error)
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}
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type DefaultFactory struct {
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kubernetesClient kubernetes.Interface
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certManagerClient certmanager.Interface
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}
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var _ Factory = &DefaultFactory{}
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func loadConfig() (*rest.Config, error) {
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loadingRules := clientcmd.NewDefaultClientConfigLoadingRules()
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loadingRules.DefaultClientConfig = &clientcmd.DefaultClientConfig
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configOverrides := &clientcmd.ConfigOverrides{
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ClusterDefaults: clientcmd.ClusterDefaults,
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}
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kubeConfig := clientcmd.NewNonInteractiveDeferredLoadingClientConfig(loadingRules, configOverrides)
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return kubeConfig.ClientConfig()
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}
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func (f *DefaultFactory) KubernetesClient() (kubernetes.Interface, error) {
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if f.kubernetesClient == nil {
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config, err := loadConfig()
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if err != nil {
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return nil, fmt.Errorf("cannot load kubecfg settings: %v", err)
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}
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k8sClient, err := kubernetes.NewForConfig(config)
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if err != nil {
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return nil, fmt.Errorf("cannot build kube client: %v", err)
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}
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f.kubernetesClient = k8sClient
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}
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return f.kubernetesClient, nil
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}
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func (f *DefaultFactory) CertManagerClient() (certmanager.Interface, error) {
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if f.certManagerClient == nil {
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config, err := loadConfig()
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if err != nil {
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return nil, fmt.Errorf("cannot load kubecfg settings: %v", err)
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}
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certManagerClient, err := certmanager.NewForConfig(config)
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if err != nil {
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return nil, fmt.Errorf("cannot build kube client: %v", err)
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}
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f.certManagerClient = certManagerClient
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}
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return f.certManagerClient, nil
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}
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