Lambda - Wait before updating (#857) (#904)

[PR #857/ab4bda24 backport][stable-2] Lambda - Wait before updating

This is a backport of PR #857 as merged into main (ab4bda2).
SUMMARY

Updated lambda module to wait for State = Active & LastUpdateStatus = Successful based on https://aws.amazon.com/blogs/compute/coming-soon-expansion-of-aws-lambda-states-to-all-functions/

Fixes #830
ISSUE TYPE


Bugfix Pull Request

COMPONENT NAME

module: lambda
ADDITIONAL INFORMATION

changelogs/fragments/857-lambda-wait-before.yml

@@ -0,0 +1,3 @@
+bugfixes: 
+  - execute_lambda - Wait for Lambda function State = Active before executing (https://github.com/ansible-collections/community.aws/pull/857)
+  - lambda - Wait for Lambda function State = Active & LastUpdateStatus = Successful before updating (https://github.com/ansible-collections/community.aws/pull/857)

plugins/modules/execute_lambda.py

@@ -202,6 +202,9 @@ def main():
     elif name:
         invoke_params['FunctionName'] = name
 
+    if not module.check_mode:
+        wait_for_lambda(client, module, name)
+
     try:
         response = client.invoke(**invoke_params)
     except is_boto3_error_code('ResourceNotFoundException') as nfe:
@@ -255,5 +258,15 @@ def main():
     module.exit_json(changed=True, result=results)
 
 
+def wait_for_lambda(client, module, name):
+    try:
+        waiter = client.get_waiter('function_active')
+        waiter.wait(FunctionName=name)
+    except botocore.exceptions.WaiterError as e:
+        module.fail_json_aws(e, msg='Timeout while waiting on lambda to be Active')
+    except (botocore.exceptions.ClientError, botocore.exceptions.BotoCoreError) as e:
+        module.fail_json_aws(e, msg='Failed while waiting on lambda to be Active')
+
+
 if __name__ == '__main__':
     main()

plugins/modules/lambda.py

@@ -216,7 +216,7 @@
 import re
 
 try:
-    from botocore.exceptions import ClientError, BotoCoreError
+    from botocore.exceptions import ClientError, BotoCoreError, WaiterError
 except ImportError:
     pass  # protected by AnsibleAWSModule
 
@@ -320,6 +320,18 @@ def set_tag(client, module, tags, function):
     return changed
 
 
+def wait_for_lambda(client, module, name):
+    try:
+        client_active_waiter = client.get_waiter('function_active')
+        client_updated_waiter = client.get_waiter('function_updated')
+        client_active_waiter.wait(FunctionName=name)
+        client_updated_waiter.wait(FunctionName=name)
+    except WaiterError as e:
+        module.fail_json_aws(e, msg='Timeout while waiting on lambda to finish updating')
+    except (ClientError, BotoCoreError) as e:
+        module.fail_json_aws(e, msg='Failed while waiting on lambda to finish updating')
+
+
 def main():
     argument_spec = dict(
         name=dict(required=True),
@@ -453,6 +465,9 @@ def main():
 
         # Upload new configuration if configuration has changed
         if len(func_kwargs) > 1:
+            if not check_mode:
+                wait_for_lambda(client, module, name)
+
             try:
                 if not check_mode:
                     response = client.update_function_configuration(aws_retry=True, **func_kwargs)
@@ -494,6 +509,9 @@ def main():
 
         # Upload new code if needed (e.g. code checksum has changed)
         if len(code_kwargs) > 2:
+            if not check_mode:
+                wait_for_lambda(client, module, name)
+
             try:
                 if not check_mode:
                     response = client.update_function_code(aws_retry=True, **code_kwargs)