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fix/elbv2-tg: KeyError when getting ProtocolVersion (ansible-collecti…
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…ons#1800)

fix/elbv2-tg: KeyError when getting ProtocolVersion

SUMMARY

Fix KeyError on module elb_target_group.

Given the task:
- name: Target | AWS | Create {{ tg.name }}
  community.aws.elb_target_group:
    state: present
    region: "{{ tg.region | d(omit) }}"
    name: "{{ tg.name }}"
    vpc_id: "{{ vpc_id }}"
    tags: "{{ tg.tags | d(omit) }}"
    purge_tags: "{{ tg.purge_tags | d('no') }}"
    protocol: "{{ tg.protocol }}"
    port: "{{ tg.port }}"
    # Health Check
    health_check_protocol: "{{ tg.health_check_protocol }}"
    health_check_path: "{{ tg.health_check_path | d(omit) }}"
    health_check_port: "{{ tg.health_check_port | d(omit) }}"
    successful_response_codes: "{{ tg.successful_response_codes | d(omit) }}"
    health_check_interval: "{{ tg.health_check_interval | d(omit) }}"
    health_check_timeout: "{{ tg.health_check_timeout | d(omit) }}"
    healthy_threshold_count: "{{ tg.healthy_threshold_count | d(omit) }}"
    unhealthy_threshold_count: "{{ tg.unhealthy_threshold_count | d(omit) }}"
    # Targets
    target_type: "{{ tg.target_type | d(omit) }}"
    modify_targets: "{{ tg.modify_targets | d(omit) }}"
    tagets: "{{ tg.tagets | d(omit) }}"
    # Config
    stickiness_enabled: "{{ tg.stickiness_enabled | d(omit) }}"
    stickiness_app_cookie_duration: "{{ tg.stickiness_app_cookie_duration | d(omit) }}"
    stickiness_app_cookie_name: "{{ tg.stickiness_app_cookie_name | d(omit) }}"
    stickiness_lb_cookie_duration: "{{ tg.stickiness_lb_cookie_duration | d(omit) }}"
    stickiness_type: "{{ tg.stickiness_type | d(omit) }}"
    proxy_protocol_v2_enabled: "{{ tg.proxy_protocol_v2_enabled | d(omit) }}"
    preserve_client_ip_enabled: "{{ tg.preserve_client_ip_enabled | d(omit) }}"
    deregistration_delay_timeout: "{{ tg.deregistration_delay_timeout | d(omit) }}"
  register: tg_out
  until: "tg_out is not failed"
  retries: 10
  delay: 5


The following error when running against existing resources (after creation/idempotency) that do not use ProtocolVersion (optional*, E.g: TCP):

The full traceback is:
Traceback (most recent call last):
  File "/home/myuser/.ansible/tmp/ansible-tmp-1683068584.628099-3322568-261537723315094/AnsiballZ_elb_target_group.py", line 107, in <module>
    _ansiballz_main()
  File "/home/myuser/.ansible/tmp/ansible-tmp-1683068584.628099-3322568-261537723315094/AnsiballZ_elb_target_group.py", line 99, in _ansiballz_main
    invoke_module(zipped_mod, temp_path, ANSIBALLZ_PARAMS)
  File "/home/myuser/.ansible/tmp/ansible-tmp-1683068584.628099-3322568-261537723315094/AnsiballZ_elb_target_group.py", line 47, in invoke_module
    runpy.run_module(mod_name='ansible_collections.community.aws.plugins.modules.elb_target_group', init_globals=dict(_module_fqn='ansible_collections.community.aws.plugins.modules.elb_target_group', _modlib_path=modlib_path),
  File "/usr/lib64/python3.9/runpy.py", line 225, in run_module
    return _run_module_code(code, init_globals, run_name, mod_spec)
  File "/usr/lib64/python3.9/runpy.py", line 97, in _run_module_code
    _run_code(code, mod_globals, init_globals,
  File "/usr/lib64/python3.9/runpy.py", line 87, in _run_code
    exec(code, run_globals)
  File "/tmp/ansible_community.aws.elb_target_group_payload_y5gefe7e/ansible_community.aws.elb_target_group_payload.zip/ansible_collections/community/aws/plugins/modules/elb_target_group.py", line 989, in <module>
  File "/tmp/ansible_community.aws.elb_target_group_payload_y5gefe7e/ansible_community.aws.elb_target_group_payload.zip/ansible_collections/community/aws/plugins/modules/elb_target_group.py", line 983, in main
  File "/tmp/ansible_community.aws.elb_target_group_payload_y5gefe7e/ansible_community.aws.elb_target_group_payload.zip/ansible_collections/community/aws/plugins/modules/elb_target_group.py", line 685, in create_or_update_target_group
KeyError: 'ProtocolVersion'
fatal: [localhost]: FAILED! => {
    "attempts": 10,
    "changed": false,
    "module_stderr": "Traceback (most recent call last):\n  File \"/home/myuser/.ansible/tmp/ansible-tmp-1683068584.628099-3322568-261537723315094/AnsiballZ_elb_target_group.py\", line 107, in <module>\n    _ansiballz_main()\n  File \"/home/myuser/.ansible/tmp/ansible-tmp-1683068584.628099-3322568-261537723315094/AnsiballZ_elb_target_group.py\", line 99, in _ansiballz_main\n    invoke_module(zipped_mod, temp_path, ANSIBALLZ_PARAMS)\n  File \"/home/myuser/.ansible/tmp/ansible-tmp-1683068584.628099-3322568-261537723315094/AnsiballZ_elb_target_group.py\", line 47, in invoke_module\n    runpy.run_module(mod_name='ansible_collections.community.aws.plugins.modules.elb_target_group', init_globals=dict(_module_fqn='ansible_collections.community.aws.plugins.modules.elb_target_group', _modlib_path=modlib_path),\n  File \"/usr/lib64/python3.9/runpy.py\", line 225, in run_module\n    return _run_module_code(code, init_globals, run_name, mod_spec)\n  File \"/usr/lib64/python3.9/runpy.py\", line 97, in _run_module_code\n    _run_code(code, mod_globals, init_globals,\n  File \"/usr/lib64/python3.9/runpy.py\", line 87, in _run_code\n    exec(code, run_globals)\n  File \"/tmp/ansible_community.aws.elb_target_group_payload_y5gefe7e/ansible_community.aws.elb_target_group_payload.zip/ansible_collections/community/aws/plugins/modules/elb_target_group.py\", line 989, in <module>\n  File \"/tmp/ansible_community.aws.elb_target_group_payload_y5gefe7e/ansible_community.aws.elb_target_group_payload.zip/ansible_collections/community/aws/plugins/modules/elb_target_group.py\", line 983, in main\n  File \"/tmp/ansible_community.aws.elb_target_group_payload_y5gefe7e/ansible_community.aws.elb_target_group_payload.zip/ansible_collections/community/aws/plugins/modules/elb_target_group.py\", line 685, in create_or_update_target_group\nKeyError: 'ProtocolVersion'\n",
    "module_stdout": "",
    "msg": "MODULE FAILURE\nSee stdout/stderr for the exact error",
    "rc": 1
}


ProtocolVersion is not returned a valid attribute from the resource using TCP Protocol

$ aws elbv2  describe-target-groups --target-group-arns arn:aws:elasticloadbalancing:us-east-1:[redacted:AWS_ACCOUNT_ID]:targetgroup/okipr3601-lfmwl-aext/513dc1925ba2791f
{
    "TargetGroups": [
        {
            "TargetGroupArn": "arn:aws:elasticloadbalancing:us-east-1:[redacted:AWS_ACCOUNT_ID]:targetgroup/okipr3601-lfmwl-aext/513dc1925ba2791f",
            "TargetGroupName": "okipr3601-lfmwl-aext",
            "Protocol": "TCP",
            "Port": 6443,
            "VpcId": "vpc-0eef74291b5613c03",
            "HealthCheckProtocol": "HTTPS",
            "HealthCheckPort": "6443",
            "HealthCheckEnabled": true,
            "HealthCheckIntervalSeconds": 10,
            "HealthCheckTimeoutSeconds": 10,
            "HealthyThresholdCount": 2,
            "UnhealthyThresholdCount": 2,
            "HealthCheckPath": "/readyz",
            "Matcher": {
                "HttpCode": "200-399"
            },
            "LoadBalancerArns": [
                "arn:aws:elasticloadbalancing:us-east-1:[redacted:AWS_ACCOUNT_ID]:loadbalancer/net/okipr3601-lfmwl-ext/93bc672ccecb2bd7"
            ],
            "TargetType": "ip",
            "IpAddressType": "ipv4"
        }
    ]
}



Versions

$ ansible-galaxy collection list
Collection           Version     
-------------------- ------------
amazon.aws           5.4.0       
community.aws        5.4.0       

$ python -V
Python 3.9.13

 ansible --version
ansible [core 2.14.5]
  config file = /home/ansible.cfg
  configured module search path = ['/home/myuser/.ansible/plugins/modules', '/usr/share/ansible/plugins/modules']
  ansible python module location = /home/myuser/.venvs/vpy3.9/lib64/python3.9/site-packages/ansible
  ansible collection location = /home/collections
  executable location = /home/myuser/.venvs/vpy3.9/bin/ansible
  python version = 3.9.13 (main, Nov  9 2022, 13:16:24) [GCC 8.5.0 20210514 (Red Hat 8.5.0-15)] (/home/myuser/.venvs/vpy3.9/bin/python3.9)
  jinja version = 3.1.2
  libyaml = True

 $ pip freeze |grep boto
boto3==1.26.125
botocore==1.29.125

*ProtocolVersion is not Required, according to the API definition: https://docs.aws.amazon.com/elasticloadbalancing/latest/APIReference/API_TargetGroup.html
ISSUE TYPE

Bugfix Pull Request

COMPONENT NAME

elb_target_group

ADDITIONAL INFORMATION

Reviewed-by: Mark Chappell
Reviewed-by: Alina Buzachis
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@mtulio
mtulio authored May 5, 2023
1 parent 2c91768 commit 3db37d7
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Showing 2 changed files with 3 additions and 1 deletion.
2 changes: 2 additions & 0 deletions changelogs/fragments/1800-elb_target_group_property.yml
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Original file line number Diff line number Diff line change
@@ -0,0 +1,2 @@
bugfixes:
- elb_target_group - get ``ProtocolVersion`` key from ``target_group`` attributes only when exists (https://github.com/ansible-collections/community.aws/pull/1800).
2 changes: 1 addition & 1 deletion plugins/modules/elb_target_group.py
View file
Original file line number Diff line number Diff line change
Expand Up @@ -719,7 +719,7 @@ def create_or_update_target_group(connection, module):
# TODO: required and here?
if "Matcher" in params:
code_key = "HttpCode"
if target_group["ProtocolVersion"] == "GRPC":
if target_group.get("ProtocolVersion") == "GRPC":
code_key = "GrpcCode"
current_matcher_list = target_group["Matcher"][code_key].split(",")
requested_matcher_list = params["Matcher"][code_key].split(",")
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