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[promoted][ec2_vpc_nat_gateway] Fix broken check_mode (ansible-collec…
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…tions#436)

* ec2_vpc_nat_gateway: fix broken check_mode
     * fix broken check_mode (remove hard coded values)
Signed-off-by: Alina Buzachis <[email protected]>

This commit was initially merged in https://github.com/ansible-collections/community.aws
See: ansible-collections@044b30c
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@alinabuzachis
alinabuzachis authored Mar 10, 2021
1 parent 21493f7 commit 1df891d
Showing 1 changed file with 46 additions and 81 deletions.
127 changes: 46 additions & 81 deletions plugins/modules/ec2_vpc_nat_gateway.py
View file
Original file line number Diff line number Diff line change
Expand Up @@ -247,36 +247,6 @@
from ansible.module_utils.six import string_types
from ansible.module_utils._text import to_native

DRY_RUN_GATEWAYS = [
{
"nat_gateway_id": "nat-123456789",
"subnet_id": "subnet-123456789",
"nat_gateway_addresses": [
{
"public_ip": "55.55.55.55",
"network_interface_id": "eni-1234567",
"private_ip": "10.0.0.102",
"allocation_id": "eipalloc-1234567"
}
],
"state": "available",
"create_time": "2016-03-05T05:19:20.282000+00:00",
"vpc_id": "vpc-12345678"
}
]

DRY_RUN_ALLOCATION_UNCONVERTED = {
'Addresses': [
{
'PublicIp': '55.55.55.55',
'Domain': 'vpc',
'AllocationId': 'eipalloc-1234567'
}
]
}

DRY_RUN_MSGS = 'DryRun Mode:'


@AWSRetry.jittered_backoff(retries=10)
def _describe_nat_gateways(client, **params):
Expand Down Expand Up @@ -344,22 +314,11 @@ def get_nat_gateways(client, subnet_id=None, nat_gateway_id=None,
]

try:
if not check_mode:
gateways = _describe_nat_gateways(client, **params)
if gateways:
for gw in gateways:
existing_gateways.append(camel_dict_to_snake_dict(gw))
gateways_retrieved = True
else:
gateways_retrieved = True
if nat_gateway_id:
if DRY_RUN_GATEWAYS[0]['nat_gateway_id'] == nat_gateway_id:
existing_gateways = DRY_RUN_GATEWAYS
elif subnet_id:
if DRY_RUN_GATEWAYS[0]['subnet_id'] == subnet_id:
existing_gateways = DRY_RUN_GATEWAYS
err_msg = '{0} Retrieving gateways'.format(DRY_RUN_MSGS)

gateways = _describe_nat_gateways(client, **params)
if gateways:
for gw in gateways:
existing_gateways.append(camel_dict_to_snake_dict(gw))
gateways_retrieved = True
except botocore.exceptions.ClientError as e:
err_msg = str(e)

Expand Down Expand Up @@ -422,8 +381,6 @@ def wait_for_status(client, wait_timeout, nat_gateway_id, status,
)
if gws_retrieved and nat_gateways:
nat_gateway = nat_gateways[0]
if check_mode:
nat_gateway['state'] = status

if nat_gateway.get('state') == status:
status_achieved = True
Expand Down Expand Up @@ -500,6 +457,7 @@ def gateway_in_subnet_exists(client, subnet_id, allocation_id=None,
client, subnet_id, states=states, check_mode=check_mode
)
)

if not gws_retrieved:
return gateways, allocation_id_exists
for gw in gws:
Expand Down Expand Up @@ -538,21 +496,14 @@ def get_eip_allocation_id_by_address(client, eip_address, check_mode=False):
}
allocation_id = None
err_msg = ""

try:
if not check_mode:
allocations = client.describe_addresses(aws_retry=True, **params)
if len(allocations) == 1:
allocation = allocations[0]
else:
allocation = None
allocations = client.describe_addresses(aws_retry=True, **params)['Addresses']
if len(allocations) == 1:
allocation = allocations[0]
else:
dry_run_eip = (
DRY_RUN_ALLOCATION_UNCONVERTED['Addresses'][0]['PublicIp']
)
if dry_run_eip == eip_address:
allocation = DRY_RUN_ALLOCATION_UNCONVERTED['Addresses'][0]
else:
allocation = None
allocation = None

if allocation:
if allocation.get('Domain') != 'vpc':
err_msg = (
Expand Down Expand Up @@ -595,16 +546,15 @@ def allocate_eip_address(client, check_mode=False):
params = {
'Domain': 'vpc',
}

if check_mode:
ip_allocated = True
new_eip = None
return ip_allocated, err_msg, new_eip

try:
if check_mode:
ip_allocated = True
random_numbers = (
''.join(str(x) for x in random.sample(range(0, 9), 7))
)
new_eip = 'eipalloc-{0}'.format(random_numbers)
else:
new_eip = client.allocate_address(aws_retry=True, **params)['AllocationId']
ip_allocated = True
new_eip = client.allocate_address(aws_retry=True, **params)['AllocationId']
ip_allocated = True
err_msg = 'eipalloc id {0} created'.format(new_eip)

except botocore.exceptions.ClientError as e:
Expand Down Expand Up @@ -633,6 +583,7 @@ def release_address(client, allocation_id, check_mode=False):
Boolean, string
"""
err_msg = ''

if check_mode:
return True, ''

Expand Down Expand Up @@ -711,22 +662,24 @@ def create(client, module, subnet_id, allocation_id, tags, purge_tags, client_to
success = False
token_provided = False
err_msg = ""
result = {}

if client_token:
token_provided = True
params['ClientToken'] = client_token

if check_mode:
success = True
changed = True
return success, changed, err_msg, result

try:
if not check_mode:
result = camel_dict_to_snake_dict(client.create_nat_gateway(aws_retry=True, **params)["NatGateway"])
else:
result = DRY_RUN_GATEWAYS[0]
result['create_time'] = datetime.datetime.utcnow()
result['nat_gateway_addresses'][0]['allocation_id'] = allocation_id
result['subnet_id'] = subnet_id
result = camel_dict_to_snake_dict(client.create_nat_gateway(aws_retry=True, **params)["NatGateway"])
success = True
changed = True

create_time = result['create_time'].replace(tzinfo=None)

if token_provided and (request_time > create_time):
changed = False
elif wait:
Expand Down Expand Up @@ -815,10 +768,11 @@ def pre_create(client, module, subnet_id, tags, purge_tags, allocation_id=None,
success = False
changed = False
err_msg = ""
results = list()
results = {}

if not allocation_id and not eip_address:
existing_gateways, allocation_id_exists = (gateway_in_subnet_exists(client, subnet_id, check_mode=check_mode))

if len(existing_gateways) > 0 and if_exist_do_not_create:
results = existing_gateways[0]
results['tags'], tags_update_exists = ensure_tags(client, module, results['nat_gateway_id'], tags, purge_tags, check_mode)
Expand Down Expand Up @@ -855,6 +809,7 @@ def pre_create(client, module, subnet_id, tags, purge_tags, allocation_id=None,
success = False
changed = False
return success, changed, err_msg, dict()

existing_gateways, allocation_id_exists = (
gateway_in_subnet_exists(
client, subnet_id, allocation_id, check_mode=check_mode
Expand Down Expand Up @@ -933,8 +888,14 @@ def remove(client, nat_gateway_id, wait=False, wait_timeout=0,
success = False
changed = False
err_msg = ""
results = list()
results = {}
states = ['pending', 'available']

if check_mode:
changed = True
success = True
return success, changed, err_msg, results

try:
exist, err_msg, gw = (
get_nat_gateways(
Expand All @@ -944,8 +905,7 @@ def remove(client, nat_gateway_id, wait=False, wait_timeout=0,
)
if exist and len(gw) == 1:
results = gw[0]
if not check_mode:
client.delete_nat_gateway(aws_retry=True, **params)
client.delete_nat_gateway(aws_retry=True, **params)

allocation_id = (
results['nat_gateway_addresses'][0]['allocation_id']
Expand Down Expand Up @@ -990,6 +950,10 @@ def ensure_tags(client, module, nat_gw_id, tags, purge_tags, check_mode):
final_tags = []
changed = False

if check_mode and nat_gw_id is None:
# We can't describe tags without an EIP id, we might get here when creating a new EIP in check_mode
return final_tags, changed

filters = ansible_dict_to_boto3_filter_list({'resource-id': nat_gw_id, 'resource-type': 'natgateway'})
cur_tags = None
try:
Expand Down Expand Up @@ -1041,6 +1005,7 @@ def ensure_tags(client, module, nat_gw_id, tags, purge_tags, check_mode):
final_tags = boto3_tag_list_to_ansible_dict(response.get('Tags'))
except (botocore.exceptions.ClientError, botocore.exceptions.BotoCoreError) as e:
module.fail_json_aws(e, "Couldn't describe tags")

return final_tags, changed


Expand Down

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