add flag "--pidfile" for podman create/run

Signed-off-by: chenkang <kongchen28@gmail.com>

3 files changed, 19 insertions, 1 deletions

diff --git a/libpod/container_config.go b/libpod/container_config.go
index be24b54d6..e6c3be1bd 100644
--- a/libpod/container_config.go
+++ b/libpod/container_config.go
@@ -364,4 +364,6 @@ type ContainerMiscConfig struct {
 	Timezone string `json:"timezone,omitempty"`
 	// Umask is the umask inside the container.
 	Umask string `json:"umask,omitempty"`
+	// PidFile is the file that saves the pid of the container process
+	PidFile string `json:"pid_file,omitempty"`
 }
diff --git a/libpod/oci_conmon_linux.go b/libpod/oci_conmon_linux.go
index 5e8ed12e7..c5735d114 100644
--- a/libpod/oci_conmon_linux.go
+++ b/libpod/oci_conmon_linux.go
@@ -1025,7 +1025,12 @@ func (r *ConmonOCIRuntime) createOCIContainer(ctr *Container, restoreOptions *Co
 		}
 	}
 
-	args := r.sharedConmonArgs(ctr, ctr.ID(), ctr.bundlePath(), filepath.Join(ctr.state.RunDir, "pidfile"), ctr.LogPath(), r.exitsDir, ociLog, ctr.LogDriver(), logTag)
+	pidfile := ctr.config.PidFile
+	if pidfile == "" {
+		pidfile = filepath.Join(ctr.state.RunDir, "pidfile")
+	}
+
+	args := r.sharedConmonArgs(ctr, ctr.ID(), ctr.bundlePath(), pidfile, ctr.LogPath(), r.exitsDir, ociLog, ctr.LogDriver(), logTag)
 
 	if ctr.config.Spec.Process.Terminal {
 		args = append(args, "-t")
diff --git a/libpod/options.go b/libpod/options.go
index 333a7c4a5..5cd0f7b88 100644
--- a/libpod/options.go
+++ b/libpod/options.go
@@ -1692,6 +1692,17 @@ func WithSecrets(secretNames []string) CtrCreateOption {
 	}
 }
 
+// WithPidFile adds pidFile to the container
+func WithPidFile(pidFile string) CtrCreateOption {
+	return func(ctr *Container) error {
+		if ctr.valid {
+			return define.ErrCtrFinalized
+		}
+		ctr.config.PidFile = pidFile
+		return nil
+	}
+}
+
 // Pod Creation Options
 
 // WithInfraImage sets the infra image for libpod.