Quadlet - Allow the user to set the service name for .pod files

Signed-off-by: Ygal Blum <ygal.blum@gmail.com>

docs/source/markdown/podman-systemd.unit.5.md

@@ -863,6 +863,7 @@ Valid options for `[Pod]` are listed below:
 | PodmanArgs=\-\-cpus=2               | --cpus=2                               |
 | PodName=name                        | --name=name                            |
 | PublishPort=50-59                   | --publish 50-59                        |
+| ServiceName=name                    | Name the systemd unit `name.service`   |
 | Volume=/source:/dest                | --volume /source:/dest                 |
 
 Supported keys in the `[Pod]` section are:
@@ -947,6 +948,14 @@ When using `host` networking via `Network=host`, the `PublishPort=` option canno
 
 This key can be listed multiple times.
 
+
+### `ServiceName=`
+
+By default, Quadlet will name the systemd service unit by appending `-pod` to the name of the Quadlet.
+Setting this key overrides this behavior by instructing Quadlet to use the provided name.
+
+Note, the name should not include the `.service` file extension
+
 ### `Volume=`
 
 Mount a volume in the pod. This is equivalent to the Podman `--volume` option, and

pkg/systemd/quadlet/quadlet.go

@@ -143,6 +143,7 @@ const (
 	KeySecurityLabelLevel    = "SecurityLabelLevel"
 	KeySecurityLabelNested   = "SecurityLabelNested"
 	KeySecurityLabelType     = "SecurityLabelType"
+	KeyServiceName           = "ServiceName"
 	KeySetWorkingDirectory   = "SetWorkingDirectory"
 	KeyShmSize               = "ShmSize"
 	KeyStopSignal            = "StopSignal"
@@ -373,6 +374,7 @@ var (
 		KeyPodName:              true,
 		KeyPodmanArgs:           true,
 		KeyPublishPort:          true,
+		KeyServiceName:          true,
 		KeyVolume:               true,
 	}
 )
@@ -1474,6 +1476,9 @@ func GetBuiltImageName(buildUnit *parser.UnitFile) string {
 }
 
 func GetPodServiceName(podUnit *parser.UnitFile) string {
+	if serviceName, ok := podUnit.Lookup(PodGroup, KeyServiceName); ok {
+		return serviceName
+	}
 	return replaceExtension(podUnit.Filename, "", "", "-pod")
 }
 

test/e2e/quadlet/service-name.pod

@@ -0,0 +1,5 @@
+## assert-podman-pre-args "--name=test-pod"
+
+[Pod]
+PodName=test-pod
+ServiceName=test-pod