tests: boardfarm: use device_get_info for check_status

With #1486, the first
device to start has been changed to be the agent.

Since the agent cannot be operational unless there is a controller
already running on the same network, something else has to be used for
"check_status".

For now, use netcat to check that "device_get_info" works.

Signed-off-by: Raphaël Mélotte <raphael.melotte@mind.be>

Author: rmelotte

tests/boardfarm_plugins/boardfarm_prplmesh/devices/prplmesh_docker.py

@@ -77,8 +77,8 @@ def check_status(self):
         It is used by boardfarm to indicate that spawned device instance is ready for test
         and also after test - to insure that device still operational.
         """
-        self._run_shell_cmd(os.path.join(rootdir, "tools", "docker", "test.sh"),
-                            ["-v", "-n", self.docker_name])
+        self._run_shell_cmd("printf",
+                            ["device_get_info", "|", "nc", "-w", "1", "controller-rme", "8002"])
 
     def isalive(self):
         """Method required by boardfarm.

tools/docker/boardfarm-ci/Dockerfile

@@ -10,6 +10,7 @@ RUN apt-get update \
     gnupg \
     gnupg-agent \
     libsnmp-dev \
+    netcat \
     software-properties-common \
     wireshark-common \
     && rm -rf /var/lib/apt/lists/*