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helm/cmd/helm/package.go

83 lines
2.0 KiB

package main
import (
"fmt"
"os"
"path/filepath"
"github.com/spf13/cobra"
"k8s.io/helm/pkg/chartutil"
"k8s.io/helm/pkg/repo"
)
const packageDesc = `
This command packages a chart into a versioned chart archive file. If a path
is given, this will look at that path for a chart (which must contain a
Chart.yaml file) and then package that directory.
If no path is given, this will look in the present working directory for a
Chart.yaml file, and (if found) build the current directory into a chart.
Versioned chart archives are used by Helm package repositories.
`
var save bool
func init() {
packageCmd.Flags().BoolVar(&save, "save", true, "save packaged chart to local chart repository")
RootCommand.AddCommand(packageCmd)
}
var packageCmd = &cobra.Command{
Use: "package [CHART_PATH]",
Short: "Package a chart directory into a chart archive.",
Long: packageDesc,
RunE: runPackage,
}
func runPackage(cmd *cobra.Command, args []string) error {
path := "."
if len(args) > 0 {
path = args[0]
} else {
return fmt.Errorf("This command needs at least one argument, the path to the chart.")
}
path, err := filepath.Abs(path)
if err != nil {
return err
}
ch, err := chartutil.LoadDir(path)
if err != nil {
return err
}
if filepath.Base(path) != ch.Metadata.Name {
return fmt.Errorf("directory name (%s) and Chart.yaml name (%s) must match.", filepath.Base(path), ch.Metadata.Name)
}
// Save to the current working directory.
cwd, err := os.Getwd()
if err != nil {
return err
}
name, err := chartutil.Save(ch, cwd)
if err == nil && flagDebug {
cmd.Printf("Saved %s to current directory\n", name)
}
// Save to $HELM_HOME/local directory. This is second, because we don't want
// the case where we saved here, but didn't save to the default destination.
if save {
if err := repo.AddChartToLocalRepo(ch, localRepoDirectory()); err != nil {
return err
} else if flagDebug {
cmd.Printf("Saved %s to %s\n", name, localRepoDirectory())
}
}
return err
}