Make AnsibleTower checkout/execute actions more resilient

We've been seeing some issues with service interruptions in AAP under
high load. While the jobs do complete successfully, awxkit bails when
encountering the connection issue.
With this change, we simple enter a retry loop when monitoring job
status.

broker/providers/ansible_tower.py

@@ -8,6 +8,7 @@
 import click
 from dynaconf import Validator
 from logzero import logger
+from requests.exceptions import ConnectionError
 
 from broker import exceptions
 from broker.helpers import eval_filter, find_origin, yaml
@@ -41,6 +42,19 @@ def convert_pseudonamespaces(attr_dict):
     return out_dict
 
 
+def resilient_job_wait(job, timeout=None):
+    """Wait for a job to complete. Retry on errors."""
+    timeout = timeout or settings.ANSIBLETOWER.workflow_timeout
+    completed = False
+    while not completed:
+        try:
+            job.wait_until_completed(timeout=timeout)
+            completed = True
+        except ConnectionError as err:
+            logger.error(f"Error occurred while waiting for job: {err}")
+            logger.info("Retrying job wait...")
+
+
 class JobExecutionError(exceptions.ProviderError):
     """Raised when a job execution fails."""
 
@@ -605,7 +619,7 @@ def execute(self, **kwargs):  # noqa: PLR0912,PLR0915 - Possible TODO refactor
             job_ui_url = url_parser.urljoin(self.url, f"/#/{subject}s/{job_number}")
         helpers.emit(api_url=job_api_url, ui_url=job_ui_url)
         logger.info(f"Waiting for job: \nAPI: {job_api_url}\nUI: {job_ui_url}")
-        job.wait_until_completed(timeout=settings.ANSIBLETOWER.workflow_timeout)
+        resilient_job_wait(job)
         if job.status != "successful":
             message_data = {
                 f"{subject.capitalize()} Status": job.status,