get prefix list ids for dbmigration for infra region (#624)

### Feature or Bugfix
- Bugfix

### Detail
- get the prefix id list for S3 from the infra region. We need the
prefix id to connect the dbmigration stage with the S3 bucket containing
the migration scripts (add it in the security groups)

### Relates
- #618 

By submitting this pull request, I confirm that my contribution is made
under the terms of the Apache 2.0 license.

deploy/stacks/backend_stack.py

@@ -30,7 +30,6 @@ def __init__(
         id,
         envname: str = 'dev',
         resource_prefix='dataall',
-        tooling_region=None,
         tooling_account_id=None,
         ecr_repository=None,
         image_tag=None,
@@ -72,7 +71,7 @@ def __init__(
         vpc = self.vpc_stack.vpc
         vpc_endpoints_sg = self.vpc_stack.vpce_security_group
         vpce_connection = ec2.Connections(security_groups=[vpc_endpoints_sg])
-        self.s3_prefix_list = self.get_s3_prefix_list(tooling_region)
+        self.s3_prefix_list = self.get_s3_prefix_list()
 
         self.pivot_role_name = f"dataallPivotRole{'-cdk' if enable_pivot_role_auto_create else ''}"
 
@@ -362,13 +361,13 @@ def create_opensearch_serverless_stack(self):
             collection_name=aoss_stack.collection_name,
         )
 
-    def get_s3_prefix_list(self, tooling_region):
-        ec2_client = boto3.client("ec2", region_name=tooling_region)
+    def get_s3_prefix_list(self):
+        ec2_client = boto3.client("ec2", region_name=self.region)
         response = ec2_client.describe_prefix_lists(
             Filters=[
                 {
                     'Name': 'prefix-list-name',
-                    'Values': [f'com.amazonaws.{tooling_region}.s3']
+                    'Values': [f'com.amazonaws.{self.region}.s3']
                 },
             ]
         )

deploy/stacks/backend_stage.py

@@ -14,7 +14,6 @@ def __init__(
         resource_prefix='dataall',
         ecr_repository=None,
         commit_id=None,
-        tooling_region=None,
         tooling_account_id=None,
         pipeline_bucket=None,
         vpc_id=None,
@@ -42,7 +41,6 @@ def __init__(
             f'backend-stack',
             envname=envname,
             resource_prefix=resource_prefix,
-            tooling_region=tooling_region,
             tooling_account_id=tooling_account_id,
             ecr_repository=ecr_repository,
             pipeline_bucket=pipeline_bucket,

deploy/stacks/pipeline.py

@@ -596,7 +596,6 @@ def set_backend_stage(self, target_env, repository_name):
                 },
                 envname=target_env['envname'],
                 resource_prefix=self.resource_prefix,
-                tooling_region=self.region,
                 tooling_account_id=self.account,
                 pipeline_bucket=self.pipeline_bucket_name,
                 ecr_repository=f'arn:aws:ecr:{target_env.get("region", self.region)}:{self.account}:repository/{repository_name}',