mirror of
https://github.com/thegeeklab/ansible-later.git
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325 lines
12 KiB
Python
325 lines
12 KiB
Python
#!/usr/bin/python
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# Copyright (c) 2017 Ansible Project
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# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
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ANSIBLE_METADATA = {'metadata_version': '1.1',
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'status': ['preview'],
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'supported_by': 'community'}
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DOCUMENTATION = '''
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---
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module: iam_user
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short_description: Manage AWS IAM users
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description:
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- Manage AWS IAM users
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version_added: "2.5"
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author: Josh Souza, @joshsouza
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options:
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name:
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description:
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- The name of the user to create.
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required: true
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managed_policy:
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description:
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- A list of managed policy ARNs or friendly names to attach to the user. To embed an inline policy, use M(iam_policy).
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required: false
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state:
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description:
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- Create or remove the IAM user
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required: true
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choices: [ 'present', 'absent' ]
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purge_policy:
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description:
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- Detach policies which are not included in managed_policy list
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required: false
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default: false
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requirements: [ botocore, boto3 ]
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extends_documentation_fragment:
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- aws
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- ec2
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'''
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EXAMPLES = '''
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# Note: These examples do not set authentication details, see the AWS Guide for details.
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# Note: This module does not allow management of groups that users belong to.
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# Groups should manage their membership directly using `iam_group`,
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# as users belong to them.
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# Create a user
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- iam_user:
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name: testuser1
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state: present
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# Create a user and attach a managed policy using its ARN
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- iam_user:
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name: testuser1
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managed_policy:
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- arn:aws:iam::aws:policy/AmazonSNSFullAccess
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state: present
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# Remove all managed policies from an existing user with an empty list
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- iam_user:
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name: testuser1
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state: present
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purge_policy: true
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# Delete the user
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- iam_user:
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name: testuser1
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state: absent
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'''
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RETURN = '''
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user:
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description: dictionary containing all the user information
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returned: success
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type: complex
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contains:
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arn:
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description: the Amazon Resource Name (ARN) specifying the user
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type: string
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sample: "arn:aws:iam::1234567890:user/testuser1"
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create_date:
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description: the date and time, in ISO 8601 date-time format, when the user was created
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type: string
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sample: "2017-02-08T04:36:28+00:00"
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user_id:
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description: the stable and unique string identifying the user
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type: string
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sample: AGPAIDBWE12NSFINE55TM
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user_name:
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description: the friendly name that identifies the user
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type: string
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sample: testuser1
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path:
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description: the path to the user
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type: string
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sample: /
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'''
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from ansible.module_utils._text import to_native
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from ansible.module_utils.basic import AnsibleModule
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from ansible.module_utils.ec2 import camel_dict_to_snake_dict, ec2_argument_spec, get_aws_connection_info, boto3_conn
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from ansible.module_utils.ec2 import HAS_BOTO3
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import traceback
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try:
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from botocore.exceptions import ClientError, ParamValidationError
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except ImportError:
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pass # caught by imported HAS_BOTO3
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def compare_attached_policies(current_attached_policies, new_attached_policies):
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# If new_attached_policies is None it means we want to remove all policies
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if len(current_attached_policies) > 0 and new_attached_policies is None:
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return False
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current_attached_policies_arn_list = []
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for policy in current_attached_policies:
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current_attached_policies_arn_list.append(policy['PolicyArn'])
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if not set(current_attached_policies_arn_list).symmetric_difference(set(new_attached_policies)):
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return True
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else:
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return False
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def convert_friendly_names_to_arns(connection, module, policy_names):
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# List comprehension that looks for any policy in the 'policy_names' list
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# that does not begin with 'arn'. If there aren't any, short circuit.
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# If there are, translate friendly name to the full arn
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if not any([not policy.startswith('arn:') for policy in policy_names if policy is not None]):
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return policy_names
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allpolicies = {}
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paginator = connection.get_paginator('list_policies')
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policies = paginator.paginate().build_full_result()['Policies']
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for policy in policies:
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allpolicies[policy['PolicyName']] = policy['Arn']
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allpolicies[policy['Arn']] = policy['Arn']
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try:
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return [allpolicies[policy] for policy in policy_names]
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except KeyError as e:
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module.fail_json(msg="Couldn't find policy: " + str(e))
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def create_or_update_user(connection, module):
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params = dict()
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params['UserName'] = module.params.get('name')
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managed_policies = module.params.get('managed_policy')
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purge_policy = module.params.get('purge_policy')
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changed = False
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if managed_policies:
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managed_policies = convert_friendly_names_to_arns(connection, module, managed_policies)
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# Get user
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user = get_user(connection, module, params['UserName'])
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# If user is None, create it
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if user is None:
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# Check mode means we would create the user
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if module.check_mode:
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module.exit_json(changed=True)
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try:
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connection.create_user(**params)
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changed = True
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except ClientError as e:
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module.fail_json(msg="Unable to create user: {0}".format(to_native(e)), exception=traceback.format_exc(),
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**camel_dict_to_snake_dict(e.response))
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except ParamValidationError as e:
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module.fail_json(msg="Unable to create user: {0}".format(to_native(e)), exception=traceback.format_exc())
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# Manage managed policies
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current_attached_policies = get_attached_policy_list(connection, module, params['UserName'])
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if not compare_attached_policies(current_attached_policies, managed_policies):
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current_attached_policies_arn_list = []
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for policy in current_attached_policies:
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current_attached_policies_arn_list.append(policy['PolicyArn'])
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# If managed_policies has a single empty element we want to remove all attached policies
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if purge_policy:
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# Detach policies not present
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for policy_arn in list(set(current_attached_policies_arn_list) - set(managed_policies)):
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changed = True
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if not module.check_mode:
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try:
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connection.detach_user_policy(UserName=params['UserName'], PolicyArn=policy_arn)
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except ClientError as e:
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module.fail_json(msg="Unable to detach policy {0} from user {1}: {2}".format(
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policy_arn, params['UserName'], to_native(e)),
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exception=traceback.format_exc(), **camel_dict_to_snake_dict(e.response))
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except ParamValidationError as e:
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module.fail_json(msg="Unable to detach policy {0} from user {1}: {2}".format(
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policy_arn, params['UserName'], to_native(e)),
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exception=traceback.format_exc())
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# If there are policies to adjust that aren't in the current list, then things have changed
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# Otherwise the only changes were in purging above
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if set(managed_policies).difference(set(current_attached_policies_arn_list)):
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changed = True
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# If there are policies in managed_policies attach each policy
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if managed_policies != [None] and not module.check_mode:
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for policy_arn in managed_policies:
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try:
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connection.attach_user_policy(UserName=params['UserName'], PolicyArn=policy_arn)
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except ClientError as e:
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module.fail_json(msg="Unable to attach policy {0} to user {1}: {2}".format(
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policy_arn, params['UserName'], to_native(e)),
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exception=traceback.format_exc(), **camel_dict_to_snake_dict(e.response))
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except ParamValidationError as e:
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module.fail_json(msg="Unable to attach policy {0} to user {1}: {2}".format(
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policy_arn, params['UserName'], to_native(e)),
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exception=traceback.format_exc())
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if module.check_mode:
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module.exit_json(changed=changed)
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# Get the user again
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user = get_user(connection, module, params['UserName'])
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module.exit_json(changed=changed, iam_user=camel_dict_to_snake_dict(user))
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def destroy_user(connection, module):
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params = dict()
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params['UserName'] = module.params.get('name')
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if get_user(connection, module, params['UserName']):
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# Check mode means we would remove this user
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if module.check_mode:
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module.exit_json(changed=True)
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# Remove any attached policies otherwise deletion fails
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try:
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for policy in get_attached_policy_list(connection, module, params['UserName']):
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connection.detach_user_policy(UserName=params['UserName'], PolicyArn=policy['PolicyArn'])
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except ClientError as e:
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module.fail_json(msg="Unable to detach policy {0} from user {1}: {2}".format(
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policy['PolicyArn'], params['UserName'], to_native(e)),
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exception=traceback.format_exc(), **camel_dict_to_snake_dict(e.response))
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except ParamValidationError as e:
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module.fail_json(msg="Unable to detach policy {0} from user {1}: {2}".format(
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policy['PolicyArn'], params['UserName'], to_native(e)),
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exception=traceback.format_exc())
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try:
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connection.delete_user(**params)
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except ClientError as e:
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module.fail_json(msg="Unable to delete user {0}: {1}".format(params['UserName'], to_native(e)),
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exception=traceback.format_exc(), **camel_dict_to_snake_dict(e.response))
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except ParamValidationError as e:
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module.fail_json(msg="Unable to delete user {0}: {1}".format(params['UserName'], to_native(e)),
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exception=traceback.format_exc())
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else:
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module.exit_json(changed=False)
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module.exit_json(changed=True)
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def get_user(connection, module, name):
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params = dict()
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params['UserName'] = name
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try:
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return connection.get_user(**params)
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except ClientError as e:
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if e.response['Error']['Code'] == 'NoSuchEntity':
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return None
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else:
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module.fail_json(msg="Unable to get user {0}: {1}".format(name, to_native(e)),
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**camel_dict_to_snake_dict(e.response))
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def get_attached_policy_list(connection, module, name):
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try:
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return connection.list_attached_user_policies(UserName=name)['AttachedPolicies']
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except ClientError as e:
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if e.response['Error']['Code'] == 'NoSuchEntity':
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return None
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else:
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module.fail_json(msg="Unable to get policies for user {0}: {1}".format(name, to_native(e)),
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**camel_dict_to_snake_dict(e.response))
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def main():
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argument_spec = ec2_argument_spec()
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argument_spec.update(
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dict(
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name=dict(required=True, type='str'),
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managed_policy=dict(default=[], type='list'),
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state=dict(choices=['present', 'absent'], required=True),
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purge_policy=dict(default=False, type='bool')
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)
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)
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module = AnsibleModule(
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argument_spec=argument_spec,
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supports_check_mode=True
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)
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if not HAS_BOTO3:
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module.fail_json(msg='boto3 required for this module')
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region, ec2_url, aws_connect_params = get_aws_connection_info(module, boto3=True)
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connection = boto3_conn(module, conn_type='client', resource='iam', region=region, endpoint=ec2_url, **aws_connect_params)
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state = module.params.get("state")
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if state == 'present':
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create_or_update_user(connection, module)
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else:
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destroy_user(connection, module)
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if __name__ == '__main__':
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main()
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