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101 lines
2.4 KiB
101 lines
2.4 KiB
/*
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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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"fmt"
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"io"
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"io/ioutil"
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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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const upgradeDesc = `
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This command upgrades a release to a new version of a chart.
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The upgrade arguments must be a release and a chart. The chart
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argument can be a relative path to a packaged or unpackaged chart.
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`
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type upgradeCmd struct {
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release string
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chart string
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out io.Writer
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client helm.Interface
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dryRun bool
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valuesFile string
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}
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func newUpgradeCmd(client helm.Interface, out io.Writer) *cobra.Command {
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upgrade := &upgradeCmd{
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out: out,
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client: client,
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}
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cmd := &cobra.Command{
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Use: "upgrade [RELEASE] [CHART]",
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Short: "upgrade a release",
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Long: upgradeDesc,
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PersistentPreRunE: setupConnection,
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RunE: func(cmd *cobra.Command, args []string) error {
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if err := checkArgsLength(2, len(args), "release name, chart path"); err != nil {
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return err
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}
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upgrade.release = args[0]
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upgrade.chart = args[1]
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upgrade.client = ensureHelmClient(upgrade.client)
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return upgrade.run()
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},
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}
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f := cmd.Flags()
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f.StringVarP(&upgrade.valuesFile, "values", "f", "", "path to a values YAML file")
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f.BoolVar(&upgrade.dryRun, "dry-run", false, "simulate an upgrade")
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return cmd
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}
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func (u *upgradeCmd) run() error {
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chartPath, err := locateChartPath(u.chart)
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if err != nil {
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return err
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}
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rawVals := []byte{}
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if u.valuesFile != "" {
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rawVals, err = ioutil.ReadFile(u.valuesFile)
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if err != nil {
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return err
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}
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}
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_, err = u.client.UpdateRelease(u.release, chartPath, helm.UpdateValueOverrides(rawVals), helm.UpgradeDryRun(u.dryRun))
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if err != nil {
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return prettyError(err)
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}
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fmt.Fprintf(u.out, "It's not you. It's me\nYour upgrade looks valid but this command is still under active development.\nHang tight.\n")
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return nil
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}
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