diff options
-rw-r--r-- | cmd/podman/attach.go | 3 | ||||
-rw-r--r-- | cmd/podman/common.go | 6 | ||||
-rw-r--r-- | cmd/podman/exec.go | 3 | ||||
-rw-r--r-- | cmd/podman/start.go | 3 | ||||
-rw-r--r-- | pkg/adapter/containers.go | 46 |
5 files changed, 56 insertions, 5 deletions
diff --git a/cmd/podman/attach.go b/cmd/podman/attach.go index eeedea8c8..7d32c57af 100644 --- a/cmd/podman/attach.go +++ b/cmd/podman/attach.go @@ -33,6 +33,9 @@ func init() { attachCommand.SetUsageTemplate(UsageTemplate()) flags := attachCommand.Flags() flags.StringVar(&attachCommand.DetachKeys, "detach-keys", define.DefaultDetachKeys, "Select the key sequence for detaching a container. Format is a single character `[a-Z]` or a comma separated sequence of `ctrl-<value>`, where `<value>` is one of: `a-z`, `@`, `^`, `[`, `\\`, `]`, `^` or `_`") + // Clear the default, the value specified in the config file should have the + // priority + attachCommand.DetachKeys = "" flags.BoolVar(&attachCommand.NoStdin, "no-stdin", false, "Do not attach STDIN. The default is false") flags.BoolVar(&attachCommand.SigProxy, "sig-proxy", true, "Proxy received signals to the process") flags.BoolVarP(&attachCommand.Latest, "latest", "l", false, "Act on the latest container podman is aware of") diff --git a/cmd/podman/common.go b/cmd/podman/common.go index 442823d2d..69365201e 100644 --- a/cmd/podman/common.go +++ b/cmd/podman/common.go @@ -208,10 +208,14 @@ func getCreateFlags(c *cliconfig.PodmanCommand) { "detach", "d", false, "Run container in background and print container ID", ) - createFlags.String( + detachKeys := createFlags.String( "detach-keys", define.DefaultDetachKeys, "Override the key sequence for detaching a container. Format is a single character `[a-Z]` or a comma separated sequence of `ctrl-<value>`, where `<value>` is one of: `a-z`, `@`, `^`, `[`, `\\`, `]`, `^` or `_`", ) + // Clear the default, the value specified in the config file should have the + // priority + *detachKeys = "" + createFlags.StringSlice( "device", []string{}, "Add a host device to the container (default [])", diff --git a/cmd/podman/exec.go b/cmd/podman/exec.go index afa701897..8dcec24ce 100644 --- a/cmd/podman/exec.go +++ b/cmd/podman/exec.go @@ -36,6 +36,9 @@ func init() { flags := execCommand.Flags() flags.SetInterspersed(false) flags.StringVar(&execCommand.DetachKeys, "detach-keys", define.DefaultDetachKeys, "Select the key sequence for detaching a container. Format is a single character [a-Z] or ctrl-<value> where <value> is one of: a-z, @, ^, [, , or _") + // Clear the default, the value specified in the config file should have the + // priority + execCommand.DetachKeys = "" flags.StringArrayVarP(&execCommand.Env, "env", "e", []string{}, "Set environment variables") flags.BoolVarP(&execCommand.Interactive, "interactive", "i", false, "Keep STDIN open even if not attached") flags.BoolVarP(&execCommand.Latest, "latest", "l", false, "Act on the latest container podman is aware of") diff --git a/cmd/podman/start.go b/cmd/podman/start.go index d4b4534bb..a070cd18d 100644 --- a/cmd/podman/start.go +++ b/cmd/podman/start.go @@ -35,6 +35,9 @@ func init() { startCommand.SetUsageTemplate(UsageTemplate()) flags := startCommand.Flags() flags.BoolVarP(&startCommand.Attach, "attach", "a", false, "Attach container's STDOUT and STDERR") + // Clear the default, the value specified in the config file should have the + // priority + startCommand.DetachKeys = "" flags.StringVar(&startCommand.DetachKeys, "detach-keys", define.DefaultDetachKeys, "Select the key sequence for detaching a container. Format is a single character `[a-Z]` or a comma separated sequence of `ctrl-<value>`, where `<value>` is one of: `a-z`, `@`, `^`, `[`, `\\`, `]`, `^` or `_`") flags.BoolVarP(&startCommand.Interactive, "interactive", "i", false, "Keep STDIN open even if not attached") flags.BoolVarP(&startCommand.Latest, "latest", "l", false, "Act on the latest container podman is aware of") diff --git a/pkg/adapter/containers.go b/pkg/adapter/containers.go index 0c73977c7..6d139d0bf 100644 --- a/pkg/adapter/containers.go +++ b/pkg/adapter/containers.go @@ -367,6 +367,23 @@ func (r *LocalRuntime) CreateContainer(ctx context.Context, c *cliconfig.CreateV return ctr.ID(), nil } +// Select the detach keys to use from user input flag, config file, or default value +func (r *LocalRuntime) selectDetachKeys(flagValue string) (string, error) { + if flagValue != "" { + return flagValue, nil + } + + config, err := r.GetConfig() + if err != nil { + return "", errors.Wrapf(err, "unable to retrive runtime config") + } + if config.DetachKeys != "" { + return config.DetachKeys, nil + } + + return define.DefaultDetachKeys, nil +} + // Run a libpod container func (r *LocalRuntime) Run(ctx context.Context, c *cliconfig.RunValues, exitCode int) (int, error) { results := shared.NewIntermediateLayer(&c.PodmanCommand, false) @@ -428,8 +445,13 @@ func (r *LocalRuntime) Run(ctx context.Context, c *cliconfig.RunValues, exitCode } } + keys, err := r.selectDetachKeys(c.String("detach-keys")) + if err != nil { + return exitCode, err + } + // if the container was created as part of a pod, also start its dependencies, if any. - if err := StartAttachCtr(ctx, ctr, outputStream, errorStream, inputStream, c.String("detach-keys"), c.Bool("sig-proxy"), true, c.IsSet("pod")); err != nil { + if err := StartAttachCtr(ctx, ctr, outputStream, errorStream, inputStream, keys, c.Bool("sig-proxy"), true, c.IsSet("pod")); err != nil { // We've manually detached from the container // Do not perform cleanup, or wait for container exit code // Just exit immediately @@ -512,8 +534,14 @@ func (r *LocalRuntime) Attach(ctx context.Context, c *cliconfig.AttachValues) er if c.NoStdin { inputStream = nil } + + keys, err := r.selectDetachKeys(c.DetachKeys) + if err != nil { + return err + } + // If the container is in a pod, also set to recursively start dependencies - if err := StartAttachCtr(ctx, ctr, os.Stdout, os.Stderr, inputStream, c.DetachKeys, c.SigProxy, false, ctr.PodID() != ""); err != nil && errors.Cause(err) != define.ErrDetach { + if err := StartAttachCtr(ctx, ctr, os.Stdout, os.Stderr, inputStream, keys, c.SigProxy, false, ctr.PodID() != ""); err != nil && errors.Cause(err) != define.ErrDetach { return errors.Wrapf(err, "error attaching to container %s", ctr.ID()) } return nil @@ -646,9 +674,14 @@ func (r *LocalRuntime) Start(ctx context.Context, c *cliconfig.StartValues, sigP } } + keys, err := r.selectDetachKeys(c.DetachKeys) + if err != nil { + return exitCode, err + } + // attach to the container and also start it not already running // If the container is in a pod, also set to recursively start dependencies - err = StartAttachCtr(ctx, ctr.Container, os.Stdout, os.Stderr, inputStream, c.DetachKeys, sigProxy, !ctrRunning, ctr.PodID() != "") + err = StartAttachCtr(ctx, ctr.Container, os.Stdout, os.Stderr, inputStream, keys, sigProxy, !ctrRunning, ctr.PodID() != "") if errors.Cause(err) == define.ErrDetach { // User manually detached // Exit cleanly immediately @@ -1005,7 +1038,12 @@ func (r *LocalRuntime) ExecContainer(ctx context.Context, cli *cliconfig.ExecVal streams.AttachOutput = true streams.AttachError = true - ec, err = ExecAttachCtr(ctx, ctr.Container, cli.Tty, cli.Privileged, env, cmd, cli.User, cli.Workdir, streams, uint(cli.PreserveFDs), cli.DetachKeys) + keys, err := r.selectDetachKeys(cli.DetachKeys) + if err != nil { + return ec, err + } + + ec, err = ExecAttachCtr(ctx, ctr.Container, cli.Tty, cli.Privileged, env, cmd, cli.User, cli.Workdir, streams, uint(cli.PreserveFDs), keys) return define.TranslateExecErrorToExitCode(ec, err), err } |