Add TEUTHOLOGY_YAML to overwrite teuthology.yaml

Overwrite tuethology.yaml in teuthology
container.

Signed-off-by: Vallari Agrawal <val.agl002@gmail.com>

Author: VallariAg

ceph_devstack/resources/ceph/containers.py

@@ -349,6 +349,12 @@ def create_cmd(self):
                 "-e",
                 f"TEUTHOLOGY_CONF=/tmp/conf.yaml",
             ]
+        teuthology_yaml = os.environ.get("TEUTHOLOGY_YAML")
+        if teuthology_yaml:
+            cmd += [
+                "-v",
+                f"{teuthology_yaml}:/root/.teuthology.yaml",
+            ]
         cmd += [
             "--name",
             "{name}",