mirror of https://github.com/docker/cli.git
63 lines
1.8 KiB
Go
63 lines
1.8 KiB
Go
package stack
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import (
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"fmt"
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"github.com/docker/cli/cli"
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"github.com/docker/cli/cli/command"
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"github.com/docker/cli/cli/command/completion"
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"github.com/docker/cli/cli/command/stack/loader"
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"github.com/docker/cli/cli/command/stack/options"
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composeLoader "github.com/docker/cli/cli/compose/loader"
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composetypes "github.com/docker/cli/cli/compose/types"
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"github.com/spf13/cobra"
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yaml "gopkg.in/yaml.v2"
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)
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func newConfigCommand(dockerCli command.Cli) *cobra.Command {
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var opts options.Config
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cmd := &cobra.Command{
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Use: "config [OPTIONS]",
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Short: "Outputs the final config file, after doing merges and interpolations",
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Args: cli.NoArgs,
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RunE: func(cmd *cobra.Command, args []string) error {
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configDetails, err := loader.GetConfigDetails(opts.Composefiles, dockerCli.In())
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if err != nil {
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return err
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}
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cfg, err := outputConfig(configDetails, opts.SkipInterpolation)
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if err != nil {
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return err
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}
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_, err = fmt.Fprintf(dockerCli.Out(), "%s", cfg)
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return err
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},
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ValidArgsFunction: completion.NoComplete,
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}
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flags := cmd.Flags()
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flags.StringSliceVarP(&opts.Composefiles, "compose-file", "c", []string{}, `Path to a Compose file, or "-" to read from stdin`)
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flags.BoolVar(&opts.SkipInterpolation, "skip-interpolation", false, "Skip interpolation and output only merged config")
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return cmd
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}
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// outputConfig returns the merged and interpolated config file
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func outputConfig(configFiles composetypes.ConfigDetails, skipInterpolation bool) (string, error) {
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optsFunc := func(opts *composeLoader.Options) {
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opts.SkipInterpolation = skipInterpolation
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}
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config, err := composeLoader.Load(configFiles, optsFunc)
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if err != nil {
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return "", err
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}
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d, err := yaml.Marshal(&config)
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if err != nil {
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return "", err
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}
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return string(d), nil
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}
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