add keyword to get the correct bridge service name

Signed-off-by: Reuben Miller <reuben.d.miller@gmail.com>

tests/RobotFramework/libraries/ThinEdgeIO/ThinEdgeIO.py

@@ -879,6 +879,20 @@ def configure_ssh(self, user: str = "root", device: str = None) -> str:
         )
         return str(key)
 
+    @keyword("Get Bridge Service Name")
+    def get_bridge_service_name(self, cloud: str) -> str:
+        """Get the name of the bridge service.
+
+        The service name will depend if the built-in bridge
+        has been activated or not (on the device).
+        """
+        output = self.execute_command("tedge config get mqtt.bridge.built_in", strip=True, ignore_exit_code=True)
+        if output == "true":
+            return f"tedge-mapper-bridge-{cloud}"
+
+        # Legacy mosquitto bridge
+        return f"mosquitto-{cloud}-bridge"
+
 
 def to_date(value: relativetime_) -> datetime:
     if isinstance(value, datetime):

tests/RobotFramework/tests/cumulocity/service_monitoring/service_monitoring.robot

@@ -28,7 +28,8 @@ Test if all c8y services are up
     c8y-firmware-plugin
 
 Test bridge service status up
-    External Identity Should Exist    ${DEVICE_SN}:device:main:service:mosquitto-c8y-bridge    show_info=False
+    ${SERVICE_NAME}=    Get Bridge Service Name    cloud=c8y
+    External Identity Should Exist    ${DEVICE_SN}:device:main:service:${SERVICE_NAME}    show_info=False
     Cumulocity.Managed Object Should Have Fragment Values    status\=up        timeout=${TIMEOUT}
 
 Test mosquitto bridge service status mapping