Podman Spawner: update method of detecting container running

This updates the method that is used to detect if the container is
running, adding a (by default, one time) timeout between the "created"
and "running" state.

Signed-off-by: Cleber Rosa <[email protected]>

avocado/plugins/spawners/podman.py

@@ -3,6 +3,7 @@
 import logging
 import os
 import subprocess
+import time
 import uuid
 
 from avocado.core.dependencies.requirements import cache
@@ -122,7 +123,7 @@ def podman(self):
                 LOG.error(ex)
         return self._podman
 
-    def is_task_alive(self, runtime_task):  # pylint: disable=W0221
+    def _get_podman_state(self, runtime_task):
         if runtime_task.spawner_handle is None:
             return False
         podman_bin = self.config.get("spawner.podman.bin")
@@ -140,8 +141,17 @@ def is_task_alive(self, runtime_task):  # pylint: disable=W0221
             stderr=subprocess.DEVNULL,
         )
         out, _ = process.communicate()
-        # FIXME: check how podman 2.x is reporting valid "OK" states
-        return out.startswith(b"Up ")
+        return out
+
+    def is_task_alive(self, runtime_task, timeout_until_running=0.1):  # pylint: disable=W0221
+        out = self._get_podman_state(runtime_task)
+        if out == b"running\n":
+            return True
+        if out == b"created\n":
+            if timeout is None:
+                return False
+            time.sleep(timeout_until_running)
+            return self.is_task_alive(runtime_task, None)
 
     def _fetch_asset(self, url):
         cachedirs = self.config.get("datadir.paths.cache_dirs")