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77 lines
1.8 KiB
77 lines
1.8 KiB
/*
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Copyright The Helm 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 main
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import (
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"fmt"
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"io"
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"sort"
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"github.com/spf13/cobra"
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"helm.sh/helm/v3/cmd/helm/require"
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)
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var envHelp = `
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Env prints out all the environment information in use by Helm.
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`
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func newEnvCmd(out io.Writer) *cobra.Command {
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cmd := &cobra.Command{
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Use: "env",
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Short: "helm client environment information",
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Long: envHelp,
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Args: require.MaximumNArgs(1),
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ValidArgsFunction: func(cmd *cobra.Command, args []string, toComplete string) ([]string, cobra.ShellCompDirective) {
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if len(args) == 0 {
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keys := getSortedEnvVarKeys()
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return keys, cobra.ShellCompDirectiveNoFileComp
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}
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return nil, cobra.ShellCompDirectiveNoFileComp
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},
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Run: func(cmd *cobra.Command, args []string) {
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envVars := settings.EnvVars()
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if len(args) == 0 {
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// Sort the variables by alphabetical order.
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// This allows for a constant output across calls to 'helm env'.
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keys := getSortedEnvVarKeys()
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for _, k := range keys {
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fmt.Fprintf(out, "%s=\"%s\"\n", k, envVars[k])
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}
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} else {
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fmt.Fprintf(out, "%s\n", envVars[args[0]])
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}
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},
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}
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return cmd
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}
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func getSortedEnvVarKeys() []string {
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envVars := settings.EnvVars()
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var keys []string
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for k := range envVars {
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keys = append(keys, k)
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}
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sort.Strings(keys)
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return keys
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}
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