avocado.utils.podman: add version information utility

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

avocado/utils/podman.py

@@ -41,6 +41,13 @@ def __init__(self, podman_bin=None):
 
         self.podman_bin = path
 
+    async def version(self):
+        try:
+            version = await self.execute("version", "--format=json")
+            return json.loads(version)
+        except PodmanException as ex:
+            raise PodmanException("Failed to get podman version information")
+
     async def execute(self, *args):
         """Execute a command and return the returncode, stdout and stderr.