mirror of
https://github.com/edgelesssys/constellation.git
synced 2024-12-25 15:39:37 -05:00
84 lines
2.4 KiB
Go
84 lines
2.4 KiB
Go
package cmd
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import (
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"fmt"
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"github.com/edgelesssys/constellation/internal/cloud/cloudprovider"
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"github.com/edgelesssys/constellation/internal/config"
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"github.com/edgelesssys/constellation/internal/constants"
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"github.com/edgelesssys/constellation/internal/file"
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"github.com/spf13/afero"
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"github.com/spf13/cobra"
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"github.com/talos-systems/talos/pkg/machinery/config/encoder"
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)
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func newConfigGenerateCmd() *cobra.Command {
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cmd := &cobra.Command{
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Use: "generate {aws|azure|gcp}",
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Short: "Generate a default configuration file",
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Long: "Generate a default configuration file for your selected cloud provider.",
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Args: cobra.MatchAll(
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cobra.ExactArgs(1),
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isCloudProvider(0),
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warnAWS(0),
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),
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ValidArgsFunction: generateCompletion,
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RunE: runConfigGenerate,
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}
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cmd.Flags().StringP("file", "f", constants.ConfigFilename, "path to output file, or '-' for stdout")
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return cmd
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}
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type generateFlags struct {
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file string
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}
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func runConfigGenerate(cmd *cobra.Command, args []string) error {
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fileHandler := file.NewHandler(afero.NewOsFs())
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provider := cloudprovider.FromString(args[0])
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return configGenerate(cmd, fileHandler, provider)
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}
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func configGenerate(cmd *cobra.Command, fileHandler file.Handler, provider cloudprovider.Provider) error {
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flags, err := parseGenerateFlags(cmd)
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if err != nil {
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return err
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}
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conf := config.Default()
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conf.RemoveProviderExcept(provider)
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if flags.file == "-" {
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content, err := encoder.NewEncoder(conf).Encode()
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if err != nil {
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return fmt.Errorf("encoding config content: %w", err)
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}
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_, err = cmd.OutOrStdout().Write(content)
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return err
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}
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return fileHandler.WriteYAML(flags.file, conf, 0o644)
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}
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func parseGenerateFlags(cmd *cobra.Command) (generateFlags, error) {
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file, err := cmd.Flags().GetString("file")
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if err != nil {
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return generateFlags{}, fmt.Errorf("parsing config generate flags: %w", err)
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}
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return generateFlags{
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file: file,
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}, nil
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}
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// createCompletion handles the completion of the create command. It is frequently called
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// while the user types arguments of the command to suggest completion.
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func generateCompletion(cmd *cobra.Command, args []string, toComplete string) ([]string, cobra.ShellCompDirective) {
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switch len(args) {
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case 0:
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return []string{"aws", "gcp", "azure"}, cobra.ShellCompDirectiveNoFileComp
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default:
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return []string{}, cobra.ShellCompDirectiveError
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}
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}
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