diff options
| -rw-r--r-- | cmd/podman/exec.go | 10 | ||||
| -rw-r--r-- | libpod/container_api.go | 5 | ||||
| -rw-r--r-- | libpod/oci.go | 16 | ||||
| -rw-r--r-- | pkg/rootless/rootless_linux.go | 3 |
4 files changed, 25 insertions, 9 deletions
diff --git a/cmd/podman/exec.go b/cmd/podman/exec.go index 032262497..4917fb606 100644 --- a/cmd/podman/exec.go +++ b/cmd/podman/exec.go @@ -105,5 +105,13 @@ func execCmd(c *cliconfig.ExecValues) error { envs = append(envs, fmt.Sprintf("%s=%s", k, v)) } - return ctr.Exec(c.Tty, c.Privileged, envs, cmd, c.User, c.Workdir) + streams := new(libpod.AttachStreams) + streams.OutputStream = os.Stdout + streams.ErrorStream = os.Stderr + streams.InputStream = os.Stdin + streams.AttachOutput = true + streams.AttachError = true + streams.AttachInput = true + + return ctr.Exec(c.Tty, c.Privileged, envs, cmd, c.User, c.Workdir, streams) } diff --git a/libpod/container_api.go b/libpod/container_api.go index 09d7f220d..6bef3c47d 100644 --- a/libpod/container_api.go +++ b/libpod/container_api.go @@ -203,9 +203,8 @@ func (c *Container) Kill(signal uint) error { } // Exec starts a new process inside the container -// TODO allow specifying streams to attach to // TODO investigate allowing exec without attaching -func (c *Container) Exec(tty, privileged bool, env, cmd []string, user, workDir string) error { +func (c *Container) Exec(tty, privileged bool, env, cmd []string, user, workDir string, streams *AttachStreams) error { var capList []string locked := false @@ -267,7 +266,7 @@ func (c *Container) Exec(tty, privileged bool, env, cmd []string, user, workDir logrus.Debugf("Creating new exec session in container %s with session id %s", c.ID(), sessionID) - execCmd, err := c.runtime.ociRuntime.execContainer(c, cmd, capList, env, tty, workDir, hostUser, sessionID) + execCmd, err := c.runtime.ociRuntime.execContainer(c, cmd, capList, env, tty, workDir, hostUser, sessionID, streams) if err != nil { return errors.Wrapf(err, "error exec %s", c.ID()) } diff --git a/libpod/oci.go b/libpod/oci.go index 26d2c6ef1..4bf76f619 100644 --- a/libpod/oci.go +++ b/libpod/oci.go @@ -733,7 +733,7 @@ func (r *OCIRuntime) unpauseContainer(ctr *Container) error { // TODO: Add --detach support // TODO: Convert to use conmon // TODO: add --pid-file and use that to generate exec session tracking -func (r *OCIRuntime) execContainer(c *Container, cmd, capAdd, env []string, tty bool, cwd, user, sessionID string) (*exec.Cmd, error) { +func (r *OCIRuntime) execContainer(c *Container, cmd, capAdd, env []string, tty bool, cwd, user, sessionID string, streams *AttachStreams) (*exec.Cmd, error) { if len(cmd) == 0 { return nil, errors.Wrapf(ErrInvalidArg, "must provide a command to execute") } @@ -789,9 +789,17 @@ func (r *OCIRuntime) execContainer(c *Container, cmd, capAdd, env []string, tty logrus.Debugf("Starting runtime %s with following arguments: %v", r.path, args) execCmd := exec.Command(r.path, args...) - execCmd.Stdout = os.Stdout - execCmd.Stderr = os.Stderr - execCmd.Stdin = os.Stdin + + if streams.AttachOutput { + execCmd.Stdout = streams.OutputStream + } + if streams.AttachInput { + execCmd.Stdin = streams.InputStream + } + if streams.AttachError { + execCmd.Stderr = streams.ErrorStream + } + execCmd.Env = append(execCmd.Env, fmt.Sprintf("XDG_RUNTIME_DIR=%s", runtimeDir)) if err := execCmd.Start(); err != nil { diff --git a/pkg/rootless/rootless_linux.go b/pkg/rootless/rootless_linux.go index 9a192c0fa..98692707f 100644 --- a/pkg/rootless/rootless_linux.go +++ b/pkg/rootless/rootless_linux.go @@ -93,7 +93,8 @@ func tryMappingTool(tool string, pid int, hostID int, mappings []idtools.IDMap) Args: args, } - if err := cmd.Run(); err != nil { + if output, err := cmd.CombinedOutput(); err != nil { + logrus.Debugf("error from %s: %s", tool, output) return errors.Wrapf(err, "cannot setup namespace using %s", tool) } return nil |