Upgrade Lambda runtime from Python 3.9 to Python 3.12

Co-authored-by: Himani Anil Deshpande <himanidp@amazon.com>

Author: hanwen-cluster

CHANGELOG.md

@@ -7,6 +7,7 @@ CHANGELOG
 **CHANGES**
 - Ubuntu 20.04 is no longer supported.
 - Support DCV on Amazon Linux 2023.
+- Upgrade Python runtime used by Lambda functions to python3.12 (from python3.9).
 - Remove `berkshelf`. All cookbooks are local and do not need `berkshelf` dependency management.
 
 **BUG FIXES**

cli/src/pcluster/templates/cdk_builder_utils.py

@@ -1087,7 +1087,7 @@ def __init__(
             handler=f"{handler_func}.handler",
             memory_size=128,
             role=execution_role,
-            runtime="python3.9",
+            runtime="python3.12",
             timeout=timeout,
             vpc_config=(
                 awslambda.CfnFunction.VpcConfigProperty(

cli/src/pcluster/templates/imagebuilder_stack.py

@@ -783,7 +783,7 @@ def _add_lambda_cleanup(self, policy_statements, build_tags):
             handler="delete_image_stack.handler",
             memory_size=128,
             role=execution_role,
-            runtime="python3.9",
+            runtime="python3.12",
             timeout=900,
             environment=lambda_env,
             tags=build_tags,

cloudformation/ad/ad-integration.yaml

@@ -241,7 +241,7 @@ Resources:
       Handler: index.handler
       MemorySize: 128
       Role: !GetAtt PrepRole.Arn
-      Runtime: python3.9
+      Runtime: python3.12
       Timeout: 300
       TracingConfig:
         Mode: Active
@@ -560,7 +560,7 @@ Resources:
       Handler: index.handler
       MemorySize: 128
       Role: !GetAtt PostRole.Arn
-      Runtime: python3.9
+      Runtime: python3.12
       Timeout: 300
       TracingConfig:
         Mode: Active
@@ -767,7 +767,7 @@ Resources:
       Handler: index.handler
       MemorySize: 128
       Role: !GetAtt DomainCertificateSetupLambdaRole.Arn
-      Runtime: python3.9
+      Runtime: python3.12
       Timeout: 300
       TracingConfig:
         Mode: Active
@@ -879,7 +879,7 @@ Resources:
       Handler: index.handler
       MemorySize: 128
       Role: !GetAtt CleanupLambdaRole.Arn
-      Runtime: python3.9
+      Runtime: python3.12
       Timeout: 900
       TracingConfig:
         Mode: Active

cloudformation/storage/storage-stack.yaml

@@ -394,7 +394,7 @@ Resources:
       Handler: index.handler
       MemorySize: 128
       Role: !GetAtt FileCacheLambdaRole.Arn
-      Runtime: python3.9
+      Runtime: python3.12
       Timeout: 300
       TracingConfig:
         Mode: Active

tests/integration-tests/resources/file-cache-storage-cfn.yaml

@@ -44,7 +44,7 @@ Resources:
       Handler: index.handler
       MemorySize: 128
       Role: !GetAtt FileCacheLambdaRole.Arn
-      Runtime: python3.9
+      Runtime: python3.12
       Timeout: 300
       TracingConfig:
         Mode: Active