mirror of https://github.com/helm/helm
Ensure proper cleanup of `HELM_HOME` and `HELM_DEBUG`pull/4048/head
Adam Reese
6 years ago
parent
34da765eff
commit
a02a598c33
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/*
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Copyright 2016 The Kubernetes Authors All rights reserved.
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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 main // import "k8s.io/helm/cmd/helm"
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import (
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"io"
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"github.com/spf13/cobra"
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"k8s.io/helm/pkg/helm"
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)
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var globalUsage = `The Kubernetes package manager
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To begin working with Helm, run the 'helm init' command:
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$ helm init
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This will set up any necessary local configuration.
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Common actions from this point include:
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- helm search: search for charts
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- helm fetch: download a chart to your local directory to view
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- helm install: upload the chart to Kubernetes
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- helm list: list releases of charts
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Environment:
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$HELM_HOME set an alternative location for Helm files. By default, these are stored in ~/.helm
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$HELM_NO_PLUGINS disable plugins. Set HELM_NO_PLUGINS=1 to disable plugins.
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$KUBECONFIG set an alternative Kubernetes configuration file (default "~/.kube/config")
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`
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func newRootCmd(c helm.Interface, out io.Writer, args []string) *cobra.Command {
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cmd := &cobra.Command{
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Use: "helm",
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Short: "The Helm package manager for Kubernetes.",
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Long: globalUsage,
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SilenceUsage: true,
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}
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flags := cmd.PersistentFlags()
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settings.AddFlags(flags)
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cmd.AddCommand(
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// chart commands
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newCreateCmd(out),
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newDependencyCmd(out),
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newFetchCmd(out),
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newInspectCmd(out),
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newLintCmd(out),
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newPackageCmd(out),
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newRepoCmd(out),
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newSearchCmd(out),
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newVerifyCmd(out),
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// release commands
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newDeleteCmd(c, out),
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newGetCmd(c, out),
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newHistoryCmd(c, out),
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newInstallCmd(c, out),
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newListCmd(c, out),
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newReleaseTestCmd(c, out),
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newRollbackCmd(c, out),
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newStatusCmd(c, out),
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newUpgradeCmd(c, out),
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newCompletionCmd(out),
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newHomeCmd(out),
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newInitCmd(out),
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newPluginCmd(out),
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newTemplateCmd(out),
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newVersionCmd(out),
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// Hidden documentation generator command: 'helm docs'
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newDocsCmd(out),
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)
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flags.Parse(args)
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// set defaults from environment
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settings.Init(flags)
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// Find and add plugins
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loadPlugins(cmd, out)
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return cmd
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}
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@ -0,0 +1,93 @@
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/*
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Copyright 2016 The Kubernetes Authors All rights reserved.
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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 main
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import (
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"os"
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"path/filepath"
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"testing"
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)
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func TestRootCmd(t *testing.T) {
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defer resetEnv()()
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tests := []struct {
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name, args, home string
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envars map[string]string
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}{
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{
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name: "defaults",
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args: "home",
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home: filepath.Join(os.Getenv("HOME"), "/.helm"),
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},
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{
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name: "with --home set",
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args: "--home /foo",
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home: "/foo",
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},
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{
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name: "subcommands with --home set",
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args: "home --home /foo",
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home: "/foo",
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},
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{
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name: "with $HELM_HOME set",
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args: "home",
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envars: map[string]string{"HELM_HOME": "/bar"},
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home: "/bar",
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},
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{
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name: "subcommands with $HELM_HOME set",
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args: "home",
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envars: map[string]string{"HELM_HOME": "/bar"},
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home: "/bar",
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},
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{
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name: "with $HELM_HOME and --home set",
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args: "home --home /foo",
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envars: map[string]string{"HELM_HOME": "/bar"},
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home: "/foo",
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},
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}
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// ensure not set locally
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os.Unsetenv("HELM_HOME")
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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defer os.Unsetenv("HELM_HOME")
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for k, v := range tt.envars {
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os.Setenv(k, v)
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}
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cmd, _, err := executeCommandC(nil, tt.args)
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if err != nil {
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t.Fatalf("unexpected error: %s", err)
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}
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if settings.Home.String() != tt.home {
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t.Errorf("expected home %q, got %q", tt.home, settings.Home)
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}
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homeFlag := cmd.Flag("home").Value.String()
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homeFlag = os.ExpandEnv(homeFlag)
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if homeFlag != tt.home {
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t.Errorf("expected home %q, got %q", tt.home, homeFlag)
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}
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})
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}
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}
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