Allow Exec API user to override streams

Allow passing in of AttachStreams to libpod.Exec() for usage in podman healthcheck. An API caller can now specify different streams for stdout, stderr and stdin, or no streams at all.

Signed-off-by: Peter Hunt <pehunt@redhat.com>

1 files changed, 9 insertions, 1 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)
 }