mirror of https://github.com/docker/cli.git
97 lines
2.6 KiB
Go
97 lines
2.6 KiB
Go
package command
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import (
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"fmt"
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"io"
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"os"
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"strconv"
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"github.com/docker/cli/cli/context/docker"
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"github.com/docker/cli/cli/context/store"
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"github.com/docker/cli/cli/streams"
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"github.com/moby/term"
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)
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// DockerCliOption applies a modification on a DockerCli.
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type DockerCliOption 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() DockerCliOption {
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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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// WithCombinedStreams uses the same stream for the output and error streams.
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func WithCombinedStreams(combined io.Writer) DockerCliOption {
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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) DockerCliOption {
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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) DockerCliOption {
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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) DockerCliOption {
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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() DockerCliOption {
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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) DockerCliOption {
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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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// WithContextEndpointType add support for an additional typed endpoint in the context store
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// Plugins should use this to store additional endpoints configuration in the context store
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func WithContextEndpointType(endpointName string, endpointType store.TypeGetter) DockerCliOption {
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return func(cli *DockerCli) error {
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switch endpointName {
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case docker.DockerEndpoint:
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return fmt.Errorf("cannot change %q endpoint type", endpointName)
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}
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cli.contextStoreConfig.SetEndpoint(endpointName, endpointType)
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return nil
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}
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}
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