elb_target_group: Add support for protocol_version parameter (#1496)

elb_target_group: Add support for protocol_version parameter

SUMMARY
Added support for protocol_version param in elb_target_group.
Fixes 1422.
ISSUE TYPE


Feature Pull Request

COMPONENT NAME
elb_target_group

Reviewed-by: Gonéri Le Bouder <[email protected]>
Reviewed-by: Sharvari Khedkar <None>
Reviewed-by: Markus Bergholz <[email protected]>

changelogs/fragments/1496-elb_target_group-add-protocol_version-support.yml

@@ -0,0 +1,2 @@
+minor_changes:
+  - elb_target_group - add support for ``protocol_version`` parameter (https://github.com/ansible-collections/community.aws/pull/1496).

plugins/modules/elb_target_group.py

@@ -89,6 +89,14 @@
     required: false
     choices: [ 'http', 'https', 'tcp', 'tls', 'udp', 'tcp_udp', 'HTTP', 'HTTPS', 'TCP', 'TLS', 'UDP', 'TCP_UDP']
     type: str
+  protocol_version:
+    description:
+      - Specifies protocol version.
+      - The protocol_version parameter is immutable and cannot be changed when updating an elb_target_group.
+    required: false
+    choices: ['GRPC', 'HTTP1', 'HTTP2']
+    type: str
+    version_added: 5.1.0
   state:
     description:
       - Create or destroy the target group.
@@ -217,6 +225,15 @@
     vpc_id: vpc-01234567
     state: present
 
+- name: Create a target group with protocol_version 'GRPC'
+  community.aws.elb_target_group:
+    name: mytargetgroup
+    protocol: http
+    port: 80
+    vpc_id: vpc-01234567
+    protocol_version: GRPC
+    state: present
+
 - name: Modify the target group with a custom health check
   community.aws.elb_target_group:
     name: mytargetgroup
@@ -567,6 +584,8 @@ def create_or_update_target_group(connection, module):
     params['TargetType'] = target_type
     if target_type != "lambda":
         params['Protocol'] = module.params.get("protocol").upper()
+        if module.params.get('protocol_version') is not None:
+            params['ProtocolVersion'] = module.params.get('protocol_version')
         params['Port'] = module.params.get("port")
         params['VpcId'] = module.params.get("vpc_id")
     tags = module.params.get("tags")
@@ -608,7 +627,11 @@ def create_or_update_target_group(connection, module):
 
             if module.params.get("successful_response_codes") is not None:
                 params['Matcher'] = {}
-                params['Matcher']['HttpCode'] = module.params.get("successful_response_codes")
+                code_key = 'HttpCode'
+                protocol_version = module.params.get('protocol_version')
+                if protocol_version is not None and protocol_version.upper() == "GRPC":
+                    code_key = 'GrpcCode'
+                params['Matcher'][code_key] = module.params.get("successful_response_codes")
 
     # Get target group
     target_group = get_target_group(connection, module)
@@ -658,11 +681,14 @@ def create_or_update_target_group(connection, module):
                 # Matcher (successful response codes)
                 # TODO: required and here?
                 if 'Matcher' in params:
-                    current_matcher_list = target_group['Matcher']['HttpCode'].split(',')
-                    requested_matcher_list = params['Matcher']['HttpCode'].split(',')
+                    code_key = 'HttpCode'
+                    if target_group['ProtocolVersion'] == 'GRPC':
+                        code_key = 'GrpcCode'
+                    current_matcher_list = target_group['Matcher'][code_key].split(',')
+                    requested_matcher_list = params['Matcher'][code_key].split(',')
                     if set(current_matcher_list) != set(requested_matcher_list):
                         health_check_params['Matcher'] = {}
-                        health_check_params['Matcher']['HttpCode'] = ','.join(requested_matcher_list)
+                        health_check_params['Matcher'][code_key] = ','.join(requested_matcher_list)
 
             try:
                 if health_check_params:
@@ -913,6 +939,7 @@ def main():
         name=dict(required=True),
         port=dict(type='int'),
         protocol=dict(choices=protocols_list),
+        protocol_version=dict(type='str', choices=['GRPC', 'HTTP1', 'HTTP2']),
         purge_tags=dict(default=True, type='bool'),
         stickiness_enabled=dict(type='bool'),
         stickiness_type=dict(),

tests/integration/targets/elb_target/tasks/etg_protocol_version.yml

@@ -0,0 +1,77 @@
+---
+- name: Run elb_target_group protocol_version tests
+  block:
+
+    # =====================================================================
+    - name: set up testing VPC
+      ec2_vpc_net:
+        name: "{{ resource_prefix }}-etg-protocol-version-vpc"
+        state: present
+        cidr_block: 20.0.0.0/16
+        tags:
+          Name: "{{ resource_prefix }}-etg-protocol-version-vpc"
+          Description: "Created by ansible-test"
+      register: vpc
+
+    # =====================================================================
+    - name: Create a target group with protocol_version 'GRPC'
+      community.aws.elb_target_group:
+        name: "{{ elb_target_group_name }}"
+        protocol: http
+        port: 80
+        vpc_id: "{{ vpc.vpc.id }}"
+        protocol_version: GRPC
+        state: present
+      register: create_result
+
+    - assert:
+        that:
+          - create_result is changed
+          - create_result is not failed
+          - create_result.protocol_version == "GRPC"
+          - create_result.protocol == "HTTP"
+          - create_result.port == 80
+
+    - name: Create a target group with protocol_version 'GRPC' (idempotence)
+      community.aws.elb_target_group:
+        name: "{{ elb_target_group_name }}"
+        protocol: http
+        port: 80
+        vpc_id: "{{ vpc.vpc.id }}"
+        protocol_version: GRPC
+        state: present
+      register: create_result
+
+    - assert:
+        that:
+          - create_result is not changed
+          - create_result is not failed
+          - create_result.protocol_version == "GRPC"
+          - create_result.protocol == "HTTP"
+          - create_result.port == 80
+
+    # =====================================================================
+
+  always:
+    - name: Remove elb target group
+      elb_target_group:
+        name: "{{ elb_target_group_name }}"
+        state: absent
+      ignore_errors: true
+      register: deletion_result
+
+    - name: remove testing VPC
+      ec2_vpc_net:
+        name: "{{ resource_prefix }}-etg-protocol-version-vpc"
+        cidr_block: 20.0.0.0/16
+        state: absent
+      register: removed
+      retries: 10
+      until: removed is not failed
+      ignore_errors: true
+
+    - name: Ensure elb_target_group deletion
+      assert:
+        that:
+          - deletion_result is changed
+          - deletion_result is not failed

tests/integration/targets/elb_target/tasks/main.yml

@@ -10,6 +10,7 @@
     - community.general
     - amazon.aws
   block:
+    - include_tasks: etg_protocol_version.yml
     - include_tasks: ec2_target.yml
     - include_tasks: lambda_target.yml
     - include_tasks: alb_target.yml