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

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

pkg/specgen/generate/container_create.go

@@ -375,6 +375,9 @@ func createContainerOptions(ctx context.Context, rt *libpod.Runtime, s *specgen.
 		}
 		options = append(options, libpod.WithDependencyCtrs(deps))
 	}
+	if s.PidFile != "" {
+		options = append(options, libpod.WithPidFile(s.PidFile))
+	}
 	return options, nil
 }
 

pkg/specgen/specgen.go

@@ -171,6 +171,10 @@ type ContainerBasicConfig struct {
 	// container. Dependencies can be specified by name or full/partial ID.
 	// Optional.
 	DependencyContainers []string `json:"dependencyContainers,omitempty"`
+	// PidFile is the file that saves container process id.
+	// set tags as `json:"-"` for not supported remote
+	// Optional.
+	PidFile string `json:"-"`
 }
 
 // ContainerStorageConfig contains information on the storage configuration of a