github.com/doitroot/helm@v3.0.0-beta.3+incompatible/cmd/helm/env.go (about) 1 /* 2 Copyright The Helm Authors. 3 4 Licensed under the Apache License, Version 2.0 (the "License"); 5 you may not use this file except in compliance with the License. 6 You may obtain a copy of the License at 7 8 http://www.apache.org/licenses/LICENSE-2.0 9 10 Unless required by applicable law or agreed to in writing, software 11 distributed under the License is distributed on an "AS IS" BASIS, 12 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 See the License for the specific language governing permissions and 14 limitations under the License. 15 */ 16 17 package main 18 19 import ( 20 "fmt" 21 "io" 22 "sort" 23 24 "helm.sh/helm/pkg/cli" 25 26 "github.com/spf13/cobra" 27 28 "helm.sh/helm/cmd/helm/require" 29 ) 30 31 var ( 32 envHelp = ` 33 Env prints out all the environment information in use by Helm. 34 ` 35 ) 36 37 func newEnvCmd(out io.Writer) *cobra.Command { 38 o := &envOptions{} 39 o.settings = cli.New() 40 41 cmd := &cobra.Command{ 42 Use: "env", 43 Short: "Helm client environment information", 44 Long: envHelp, 45 Args: require.NoArgs, 46 RunE: func(cmd *cobra.Command, args []string) error { 47 return o.run(out) 48 }, 49 } 50 51 return cmd 52 } 53 54 type envOptions struct { 55 settings *cli.EnvSettings 56 } 57 58 func (o *envOptions) run(out io.Writer) error { 59 60 // Sorting keys to display in alphabetical order 61 var keys []string 62 for k := range o.settings.EnvironmentVariables { 63 keys = append(keys, k) 64 } 65 sort.Strings(keys) 66 67 for _, k := range keys { 68 fmt.Printf("%s=\"%s\" \n", k, o.settings.EnvironmentVariables[k]) 69 } 70 return nil 71 }