cloudformation_facts: describe all stacks by default
* cloudformation_facts describe all stacks by default * cloudformation_facts jittered backoff / retries * cloudformation_facts stack_name use default arg_spec * cloudformation_facts bugfix broken notification_arns output * cloudformation_facts add simplified "stack_tags" output * CloudFormationServiceManager.describe_stacks default args
This commit is contained in:
mzizzi
Will Thames
parent
501fc7a248
commit
380c43de4e
1 changed files with 44 additions and 35 deletions
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@ -33,8 +33,9 @@ author: Justin Menga (@jmenga)
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options:
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stack_name:
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description:
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- The name or id of the CloudFormation stack
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required: true
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- The name or id of the CloudFormation stack. Gathers facts for all stacks by default.
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required: false
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default: null
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all_facts:
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description:
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- Get all stack information for the stack
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@ -151,7 +152,8 @@ try:
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except ImportError:
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HAS_BOTO3 = False
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from ansible.module_utils.ec2 import get_aws_connection_info, ec2_argument_spec, boto3_conn, camel_dict_to_snake_dict
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from ansible.module_utils.ec2 import get_aws_connection_info, ec2_argument_spec, boto3_conn, camel_dict_to_snake_dict, \
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AWSRetry, boto3_tag_list_to_ansible_dict
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from ansible.module_utils.basic import AnsibleModule
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from functools import partial
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import json
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@ -169,20 +171,27 @@ class CloudFormationServiceManager:
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self.client = boto3_conn(module, conn_type='client',
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resource='cloudformation', region=region,
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endpoint=ec2_url, **aws_connect_kwargs)
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backoff_wrapper = AWSRetry.jittered_backoff(retries=10, delay=3, max_delay=30)
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self.client.describe_stacks = backoff_wrapper(self.client.describe_stacks)
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self.client.list_stack_resources = backoff_wrapper(self.client.list_stack_resources)
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self.client.describe_stack_events = backoff_wrapper(self.client.describe_stack_events)
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self.client.get_stack_policy = backoff_wrapper(self.client.get_stack_policy)
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self.client.get_template = backoff_wrapper(self.client.get_template)
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except botocore.exceptions.NoRegionError:
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self.module.fail_json(msg="Region must be specified as a parameter, in AWS_DEFAULT_REGION environment variable or in boto configuration file")
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except Exception as e:
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self.module.fail_json(msg="Can't establish connection - " + str(e), exception=traceback.format_exc())
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def describe_stack(self, stack_name):
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def describe_stacks(self, stack_name=None):
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try:
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func = partial(self.client.describe_stacks,StackName=stack_name)
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kwargs = {'StackName': stack_name} if stack_name else {}
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func = partial(self.client.describe_stacks, **kwargs)
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response = self.paginated_response(func, 'Stacks')
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if response:
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return response[0]
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self.module.fail_json(msg="Error describing stack - an empty response was returned")
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return response
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self.module.fail_json(msg="Error describing stack(s) - an empty response was returned")
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except Exception as e:
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self.module.fail_json(msg="Error describing stack - " + str(e), exception=traceback.format_exc())
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self.module.fail_json(msg="Error describing stack(s) - " + str(e), exception=traceback.format_exc())
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def list_stack_resources(self, stack_name):
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try:
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@ -240,7 +249,7 @@ def to_dict(items, key, value):
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def main():
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argument_spec = ec2_argument_spec()
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argument_spec.update(dict(
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stack_name=dict(required=True, type='str' ),
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stack_name=dict(),
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all_facts=dict(required=False, default=False, type='bool'),
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stack_policy=dict(required=False, default=False, type='bool'),
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stack_events=dict(required=False, default=False, type='bool'),
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@ -253,36 +262,36 @@ def main():
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if not HAS_BOTO3:
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module.fail_json(msg='boto3 is required.')
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# Describe the stack
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service_mgr = CloudFormationServiceManager(module)
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stack_name = module.params.get('stack_name')
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result = {
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'ansible_facts': { 'cloudformation': { stack_name:{} } }
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}
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facts = result['ansible_facts']['cloudformation'][stack_name]
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facts['stack_description'] = service_mgr.describe_stack(stack_name)
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# Create stack output and stack parameter dictionaries
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if facts['stack_description']:
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facts['stack_outputs'] = to_dict(facts['stack_description'].get('Outputs'), 'OutputKey', 'OutputValue')
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facts['stack_parameters'] = to_dict(facts['stack_description'].get('Parameters'), 'ParameterKey', 'ParameterValue')
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result = {'ansible_facts': {'cloudformation': {}}}
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# normalize stack description API output
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facts['stack_description'] = camel_dict_to_snake_dict(facts['stack_description'])
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# camel2snake doesn't handle NotificationARNs properly, so let's fix that
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facts['stack_description']['notification_arns'] = facts['stack_description'].pop('notification_ar_ns', [])
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for stack_description in service_mgr.describe_stacks(module.params.get('stack_name')):
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facts = {'stack_description': stack_description}
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stack_name = stack_description.get('StackName')
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# Create optional stack outputs
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all_facts = module.params.get('all_facts')
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if all_facts or module.params.get('stack_resources'):
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facts['stack_resource_list'] = service_mgr.list_stack_resources(stack_name)
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facts['stack_resources'] = to_dict(facts.get('stack_resource_list'), 'LogicalResourceId', 'PhysicalResourceId')
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if all_facts or module.params.get('stack_template'):
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facts['stack_template'] = service_mgr.get_template(stack_name)
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if all_facts or module.params.get('stack_policy'):
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facts['stack_policy'] = service_mgr.get_stack_policy(stack_name)
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if all_facts or module.params.get('stack_events'):
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facts['stack_events'] = service_mgr.describe_stack_events(stack_name)
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# Create stack output and stack parameter dictionaries
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if facts['stack_description']:
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facts['stack_outputs'] = to_dict(facts['stack_description'].get('Outputs'), 'OutputKey', 'OutputValue')
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facts['stack_parameters'] = to_dict(facts['stack_description'].get('Parameters'), 'ParameterKey', 'ParameterValue')
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facts['stack_tags'] = boto3_tag_list_to_ansible_dict(facts['stack_description'].get('Tags'))
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# normalize stack description API output
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facts['stack_description'] = camel_dict_to_snake_dict(facts['stack_description'])
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# Create optional stack outputs
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all_facts = module.params.get('all_facts')
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if all_facts or module.params.get('stack_resources'):
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facts['stack_resource_list'] = service_mgr.list_stack_resources(stack_name)
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facts['stack_resources'] = to_dict(facts.get('stack_resource_list'), 'LogicalResourceId', 'PhysicalResourceId')
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if all_facts or module.params.get('stack_template'):
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facts['stack_template'] = service_mgr.get_template(stack_name)
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if all_facts or module.params.get('stack_policy'):
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facts['stack_policy'] = service_mgr.get_stack_policy(stack_name)
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if all_facts or module.params.get('stack_events'):
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facts['stack_events'] = service_mgr.describe_stack_events(stack_name)
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result['ansible_facts']['cloudformation'][stack_name] = facts
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result['changed'] = False
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module.exit_json(**result)
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