mirror of https://github.com/docker/cli.git
110 lines
2.8 KiB
Go
110 lines
2.8 KiB
Go
package command
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import (
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"context"
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"io"
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"os"
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"strconv"
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"github.com/docker/cli/cli/streams"
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"github.com/docker/docker/client"
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"github.com/moby/term"
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)
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// CLIOption is a functional argument to apply options to a [DockerCli]. These
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// options can be passed to [NewDockerCli] to initialize a new CLI, or
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// applied with [DockerCli.Initialize] or [DockerCli.Apply].
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type CLIOption func(cli *DockerCli) error
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// WithStandardStreams sets a cli in, out and err streams with the standard streams.
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func WithStandardStreams() CLIOption {
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return func(cli *DockerCli) error {
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// Set terminal emulation based on platform as required.
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stdin, stdout, stderr := term.StdStreams()
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cli.in = streams.NewIn(stdin)
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cli.out = streams.NewOut(stdout)
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cli.err = stderr
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return nil
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}
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}
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// WithBaseContext sets the base context of a cli. It is used to propagate
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// the context from the command line to the client.
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func WithBaseContext(ctx context.Context) CLIOption {
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return func(cli *DockerCli) error {
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cli.baseCtx = ctx
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return nil
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}
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}
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// WithCombinedStreams uses the same stream for the output and error streams.
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func WithCombinedStreams(combined io.Writer) CLIOption {
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return func(cli *DockerCli) error {
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cli.out = streams.NewOut(combined)
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cli.err = combined
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return nil
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}
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}
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// WithInputStream sets a cli input stream.
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func WithInputStream(in io.ReadCloser) CLIOption {
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return func(cli *DockerCli) error {
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cli.in = streams.NewIn(in)
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return nil
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}
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}
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// WithOutputStream sets a cli output stream.
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func WithOutputStream(out io.Writer) CLIOption {
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return func(cli *DockerCli) error {
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cli.out = streams.NewOut(out)
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return nil
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}
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}
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// WithErrorStream sets a cli error stream.
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func WithErrorStream(err io.Writer) CLIOption {
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return func(cli *DockerCli) error {
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cli.err = err
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return nil
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}
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}
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// WithContentTrustFromEnv enables content trust on a cli from environment variable DOCKER_CONTENT_TRUST value.
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func WithContentTrustFromEnv() CLIOption {
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return func(cli *DockerCli) error {
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cli.contentTrust = false
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if e := os.Getenv("DOCKER_CONTENT_TRUST"); e != "" {
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if t, err := strconv.ParseBool(e); t || err != nil {
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// treat any other value as true
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cli.contentTrust = true
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}
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}
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return nil
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}
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}
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// WithContentTrust enables content trust on a cli.
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func WithContentTrust(enabled bool) CLIOption {
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return func(cli *DockerCli) error {
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cli.contentTrust = enabled
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return nil
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}
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}
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// WithDefaultContextStoreConfig configures the cli to use the default context store configuration.
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func WithDefaultContextStoreConfig() CLIOption {
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return func(cli *DockerCli) error {
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cli.contextStoreConfig = DefaultContextStoreConfig()
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return nil
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}
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}
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// WithAPIClient configures the cli to use the given API client.
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func WithAPIClient(c client.APIClient) CLIOption {
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return func(cli *DockerCli) error {
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cli.client = c
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return nil
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}
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}
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