stages/systemd.unit.create: update schema to support [Mount]

stages/org.osbuild.systemd.unit.create.meta.json

@@ -1,13 +1,13 @@
 {
-  "summary": "Create Systemd services unit file",
+  "summary": "Create a Systemd unit file",
   "description": [
-    "This stage allows to create Systemd unit files in",
+    "This stage allows to create Systemd unit files. The `filename` property",
-    "`/usr/lib/systemd/system/`. The `filename` property specifies the",
+    "specifies the, '.service' or '.mount' file to be added. These names are",
-    "'.service' file to be added. These names are validated using the",
+    "validated using the, same rules as specified by systemd.unit(5) and they",
-    "same rules as specified by systemd.unit(5) and they must contain the",
+    "must contain the, '.service' or '.mount' suffix (other types of unit files",
-    "'.service' suffix (other types of unit files are not supported).",
+    "are not supported). 'unit-type' determines if the unit file is created at",
-    "'unit-type' determines if the unit file is created at global or",
+    "'global' (user) or 'system' paths,'unit-path' will determine the systemd",
-    "system level,'unit-path' will determine the systemd unit load path.",
+    "unit load path.",
     "",
     "The Unit configuration can currently specify the following subset",
     "of options:",
@@ -28,6 +28,11 @@
     "    - 'ExecStart' - [string]",
     "    - 'Environment' - [object]",
     "    - 'EnvironmentFile' - [string]",
+    "  - 'Mount' section",
+    "    - 'What' - string",
+    "    - 'Where' - string",
+    "    - 'Type' - string",
+    "    - 'Options' - string",
     "  - 'Install' section",
     "    - 'WantedBy' - [string]",
     "    - 'RequiredBy' - [string]"
@@ -41,7 +46,7 @@
     "properties": {
       "filename": {
         "type": "string",
-        "pattern": "^[\\w:.\\\\-]+[@]{0,1}[\\w:.\\\\-]*\\.service$"
+        "pattern": "^[\\w:.\\\\-]+[@]{0,1}[\\w:.\\\\-]*\\.(service|mount)$"
       },
       "unit-type": {
         "type": "string",
@@ -64,10 +69,29 @@
       "config": {
         "additionalProperties": false,
         "type": "object",
-        "required": [
+        "oneOf": [
-          "Unit",
+          {
-          "Service",
+            "required": [
-          "Install"
+              "Unit",
+              "Service",
+              "Install"
+            ],
+            "not": {
+              "required": [
+                "Mount"
+              ]
+            }
+          },
+          {
+            "required": [
+              "Mount"
+            ],
+            "not": {
+              "required": [
+                "Service"
+              ]
+            }
+          }
         ],
         "description": "Configuration for a '.service' unit.",
         "properties": {
@@ -186,6 +210,32 @@
               }
             }
           },
+          "Mount": {
+            "additionalProperties": false,
+            "type": "object",
+            "description": "'Mount' configuration section of a unit file.",
+            "required": [
+              "What"
+            ],
+            "properties": {
+              "What": {
+                "description": "Absolute path to device node",
+                "type": "string"
+              },
+              "Where": {
+                "description": "Absolute path for a file or directory for the mountpoint",
+                "type": "string"
+              },
+              "Type": {
+                "descriptions": "File system type",
+                "type": "string"
+              },
+              "Options": {
+                "descriptions": "Mount options to use when mounting",
+                "type": "string"
+              }
+            }
+          },
           "Install": {
             "additionalProperties": false,
             "type": "object",