Update ansible-test sanity command. (#31958)

* Use correct pip version in ansible-test.
* Add git fallback for validate-modules.
* Run sanity tests in a docker container.
* Use correct python version for sanity tests.
* Pin docker completion images and add default.
* Split pylint execution into multiple contexts.
* Only test .py files in use-argspec-type-path test.
* Accept identical python interpeter name or binary.
* Switch cloud tests to default container.
* Remove unused extras from pip install.
* Filter out empty pip commands.
* Don't force running of pip list.
* Support delegation for windows and network tests.
* Fix ansible-test python version usage.
* Fix ansible-test python version skipping.
* Use absolute path for log in ansible-test.
* Run vyos_command test on python 3.
* Fix windows/network instance persistence.
* Add `test/cache` dir to classification.
* Enable more python versions for network tests.
* Fix cs_router test.

test/runner/lib/metadata.py

@@ -20,6 +20,7 @@ class Metadata(object):
         """Initialize metadata."""
         self.changes = {}  # type: dict [str, tuple[tuple[int, int]]
         self.cloud_config = None  # type: dict [str, str]
+        self.instance_config = None  # type: list[dict[str, str]]
 
         if is_shippable():
             self.ci_provider = 'shippable'
@@ -54,6 +55,7 @@ class Metadata(object):
         return dict(
             changes=self.changes,
             cloud_config=self.cloud_config,
+            instance_config=self.instance_config,
             ci_provider=self.ci_provider,
         )
 
@@ -88,6 +90,7 @@ class Metadata(object):
         metadata = Metadata()
         metadata.changes = data['changes']
         metadata.cloud_config = data['cloud_config']
+        metadata.instance_config = data['instance_config']
         metadata.ci_provider = data['ci_provider']
 
         return metadata