2719f3f727
This commit adds a `--datadir` override that allows overriding the default search paths for e.g. the custom repositories. In practise only repository overrides are supported because that is the only data stored there.
80 lines
2 KiB
Go
80 lines
2 KiB
Go
package main
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import (
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"fmt"
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"io"
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"os"
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"github.com/sirupsen/logrus"
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"github.com/spf13/cobra"
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)
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var (
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osStdout io.Writer = os.Stdout
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osStderr io.Writer = os.Stderr
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)
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type cmdlineOpts struct {
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dataDir string
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out io.Writer
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}
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func cmdListImages(cmd *cobra.Command, args []string) error {
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filter, err := cmd.Flags().GetStringArray("filter")
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if err != nil {
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return err
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}
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output, err := cmd.Flags().GetString("output")
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if err != nil {
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return err
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}
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dataDir, err := cmd.Flags().GetString("datadir")
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if err != nil {
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return err
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}
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opts := &cmdlineOpts{
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out: osStdout,
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dataDir: dataDir,
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}
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return listImages(output, filter, opts)
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}
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func run() error {
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// images logs a bunch of stuff to Debug/Info that is distracting
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// the user (at least by default, like what repos being loaded)
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logrus.SetLevel(logrus.WarnLevel)
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rootCmd := &cobra.Command{
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Use: "image-builder",
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Short: "Build operating system images from a given distro/image-type/blueprint",
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Long: `Build operating system images from a given distribution,
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image-type and blueprint.
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Image-builder builds operating system images for a range of predefined
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operating sytsems like centos and RHEL with easy customizations support.`,
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SilenceErrors: true,
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}
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rootCmd.PersistentFlags().String("datadir", "", `Override the default data direcotry for e.g. custom repositories/*.json data`)
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rootCmd.SetOut(osStdout)
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rootCmd.SetErr(osStderr)
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listImagesCmd := &cobra.Command{
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Use: "list-images",
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Short: "List buildable images, use --filter to limit further",
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RunE: cmdListImages,
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SilenceUsage: true,
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}
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listImagesCmd.Flags().StringArray("filter", nil, `Filter distributions by a specific criteria (e.g. "type:rhel*")`)
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listImagesCmd.Flags().String("output", "", "Output in a specific format (text, json)")
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rootCmd.AddCommand(listImagesCmd)
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return rootCmd.Execute()
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}
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func main() {
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if err := run(); err != nil {
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fmt.Fprintf(osStderr, "error: %s\n", err)
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os.Exit(1)
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}
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}
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