Replace godep with dep
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Manuel de Brito Fontes
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1e7489927c
commit
bf5616c65b
14883 changed files with 3937406 additions and 361781 deletions
188
vendor/k8s.io/kubernetes/cmd/kubeadm/app/cmd/config.go
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188
vendor/k8s.io/kubernetes/cmd/kubeadm/app/cmd/config.go
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@ -0,0 +1,188 @@
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/*
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Copyright 2016 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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"io"
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"github.com/renstrom/dedent"
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"github.com/spf13/cobra"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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clientset "k8s.io/client-go/kubernetes"
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kubeadmapiext "k8s.io/kubernetes/cmd/kubeadm/app/apis/kubeadm/v1alpha1"
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cmdutil "k8s.io/kubernetes/cmd/kubeadm/app/cmd/util"
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"k8s.io/kubernetes/cmd/kubeadm/app/constants"
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"k8s.io/kubernetes/cmd/kubeadm/app/features"
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"k8s.io/kubernetes/cmd/kubeadm/app/phases/uploadconfig"
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kubeadmutil "k8s.io/kubernetes/cmd/kubeadm/app/util"
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configutil "k8s.io/kubernetes/cmd/kubeadm/app/util/config"
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kubeconfigutil "k8s.io/kubernetes/cmd/kubeadm/app/util/kubeconfig"
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"k8s.io/kubernetes/pkg/api"
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)
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func NewCmdConfig(out io.Writer) *cobra.Command {
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var kubeConfigFile string
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cmd := &cobra.Command{
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Use: "config",
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Short: "Manage configuration for a kubeadm cluster persisted in a ConfigMap in the cluster.",
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Long: fmt.Sprintf(dedent.Dedent(`
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There is a ConfigMap in the %s namespace called %q that kubeadm uses to store internal configuration about the
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cluster. kubeadm CLI v1.8.0+ automatically creates this ConfigMap with used config on 'kubeadm init', but if you
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initialized your cluster using kubeadm v1.7.x or lower, you must use the 'config upload' command to create this
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ConfigMap in order for 'kubeadm upgrade' to be able to configure your upgraded cluster correctly.
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`), metav1.NamespaceSystem, constants.MasterConfigurationConfigMap),
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// Without this callback, if a user runs just the "upload"
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// command without a subcommand, or with an invalid subcommand,
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// cobra will print usage information, but still exit cleanly.
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// We want to return an error code in these cases so that the
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// user knows that their command was invalid.
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RunE: cmdutil.SubCmdRunE("config"),
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}
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cmd.PersistentFlags().StringVar(&kubeConfigFile, "kubeconfig", "/etc/kubernetes/admin.conf", "The KubeConfig file to use for talking to the cluster")
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cmd.AddCommand(NewCmdConfigUpload(out, &kubeConfigFile))
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cmd.AddCommand(NewCmdConfigView(out, &kubeConfigFile))
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return cmd
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}
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func NewCmdConfigUpload(out io.Writer, kubeConfigFile *string) *cobra.Command {
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cmd := &cobra.Command{
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Use: "upload",
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Short: "Upload configuration about the current state so 'kubeadm upgrade' later can know how to configure the upgraded cluster",
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RunE: cmdutil.SubCmdRunE("upload"),
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}
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cmd.AddCommand(NewCmdConfigUploadFromFile(out, kubeConfigFile))
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cmd.AddCommand(NewCmdConfigUploadFromFlags(out, kubeConfigFile))
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return cmd
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}
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func NewCmdConfigView(out io.Writer, kubeConfigFile *string) *cobra.Command {
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return &cobra.Command{
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Use: "view",
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Short: "View the kubeadm configuration stored inside the cluster",
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Long: fmt.Sprintf(dedent.Dedent(`
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Using this command, you can view the ConfigMap in the cluster where the configuration for kubeadm is located
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The configuration is located in the %q namespace in the %q ConfigMap
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`), metav1.NamespaceSystem, constants.MasterConfigurationConfigMap),
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Run: func(cmd *cobra.Command, args []string) {
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client, err := kubeconfigutil.ClientSetFromFile(*kubeConfigFile)
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kubeadmutil.CheckErr(err)
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err = RunConfigView(out, client)
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kubeadmutil.CheckErr(err)
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},
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}
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}
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func NewCmdConfigUploadFromFile(out io.Writer, kubeConfigFile *string) *cobra.Command {
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var cfgPath string
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cmd := &cobra.Command{
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Use: "from-file",
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Short: "Upload a configuration file to the in-cluster ConfigMap for kubeadm configuration",
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Long: fmt.Sprintf(dedent.Dedent(`
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Using from-file, you can upload configuration to the ConfigMap in the cluster using the same config file you gave to kubeadm init.
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If you initialized your cluster using a v1.7.x or lower kubeadm client and used the --config option; you need to run this command with the
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same config file before upgrading to v1.8 using 'kubeadm upgrade'.
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The configuration is located in the %q namespace in the %q ConfigMap
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`), metav1.NamespaceSystem, constants.MasterConfigurationConfigMap),
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Run: func(cmd *cobra.Command, args []string) {
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if len(cfgPath) == 0 {
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kubeadmutil.CheckErr(fmt.Errorf("The --config flag is mandatory"))
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}
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client, err := kubeconfigutil.ClientSetFromFile(*kubeConfigFile)
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kubeadmutil.CheckErr(err)
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// The default configuration is empty; everything should come from the file on disk
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defaultcfg := &kubeadmapiext.MasterConfiguration{}
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// Upload the configuration using the file; don't care about the defaultcfg really
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err = uploadConfiguration(client, cfgPath, defaultcfg)
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kubeadmutil.CheckErr(err)
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},
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}
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cmd.Flags().StringVar(&cfgPath, "config", "", "Path to kubeadm config file (WARNING: Usage of a configuration file is experimental)")
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return cmd
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}
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func NewCmdConfigUploadFromFlags(out io.Writer, kubeConfigFile *string) *cobra.Command {
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cfg := &kubeadmapiext.MasterConfiguration{}
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api.Scheme.Default(cfg)
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var featureGatesString string
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cmd := &cobra.Command{
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Use: "from-flags",
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Short: "Create the in-cluster configuration file for the first time from using flags",
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Long: fmt.Sprintf(dedent.Dedent(`
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Using from-flags, you can upload configuration to the ConfigMap in the cluster using the same flags you'd give to kubeadm init.
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If you initialized your cluster using a v1.7.x or lower kubeadm client and set some flag; you need to run this command with the
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same flags before upgrading to v1.8 using 'kubeadm upgrade'.
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The configuration is located in the %q namespace in the %q ConfigMap
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`), metav1.NamespaceSystem, constants.MasterConfigurationConfigMap),
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Run: func(cmd *cobra.Command, args []string) {
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var err error
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if cfg.FeatureGates, err = features.NewFeatureGate(&features.InitFeatureGates, featureGatesString); err != nil {
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kubeadmutil.CheckErr(err)
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}
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client, err := kubeconfigutil.ClientSetFromFile(*kubeConfigFile)
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kubeadmutil.CheckErr(err)
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// Default both statically and dynamically, convert to internal API type, and validate everything
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// The cfgPath argument is unset here as we shouldn't load a config file from disk, just go with cfg
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err = uploadConfiguration(client, "", cfg)
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kubeadmutil.CheckErr(err)
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},
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}
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AddInitConfigFlags(cmd.PersistentFlags(), cfg, &featureGatesString)
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return cmd
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}
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// RunConfigView gets the configuration persisted in the cluster
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func RunConfigView(out io.Writer, client clientset.Interface) error {
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cfgConfigMap, err := client.CoreV1().ConfigMaps(metav1.NamespaceSystem).Get(constants.MasterConfigurationConfigMap, metav1.GetOptions{})
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if err != nil {
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return err
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}
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// No need to append \n as that already exists in the ConfigMap
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fmt.Fprintf(out, "%s", cfgConfigMap.Data[constants.MasterConfigurationConfigMapKey])
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return nil
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}
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// uploadConfiguration handles the uploading of the configuration internally
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func uploadConfiguration(client clientset.Interface, cfgPath string, defaultcfg *kubeadmapiext.MasterConfiguration) error {
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// Default both statically and dynamically, convert to internal API type, and validate everything
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// First argument is unset here as we shouldn't load a config file from disk
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internalcfg, err := configutil.ConfigFileAndDefaultsToInternalConfig(cfgPath, defaultcfg)
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if err != nil {
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return err
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}
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// Then just call the uploadconfig phase to do the rest of the work
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return uploadconfig.UploadConfiguration(internalcfg, client)
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}
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