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@ -36,6 +36,12 @@ options:
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- A list of managed policy ARNs or, since Ansible 2.4, a list of either managed policy ARNs or friendly names.
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To embed an inline policy, use M(iam_policy). To remove existing policies, use an empty list item.
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aliases: [ managed_policies ]
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purge_policies:
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description:
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- Detaches any managed policies not listed in the "managed_policy" option. Set to false if you want to attach policies elsewhere.
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type: bool
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default: true
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version_added: "2.5"
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state:
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description:
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- Create or remove the IAM role
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@ -143,6 +149,7 @@ iam_role:
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]
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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, sort_json_policy_dict
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from ansible.module_utils.ec2 import HAS_BOTO3
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@ -151,7 +158,7 @@ import json
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import traceback
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try:
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from botocore.exceptions import ClientError, NoCredentialsError
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from botocore.exceptions import ClientError, BotoCoreError
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except ImportError:
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pass # caught by imported HAS_BOTO3
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@ -196,6 +203,19 @@ def convert_friendly_names_to_arns(connection, module, policy_names):
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module.fail_json(msg="Couldn't find policy: " + str(e))
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def remove_policies(connection, module, policies_to_remove, params):
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for policy in policies_to_remove:
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try:
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connection.detach_role_policy(RoleName=params['RoleName'], PolicyArn=policy)
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except ClientError as e:
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module.fail_json(msg="Unable to detach policy {0} from {1}: {2}".format(policy, params['RoleName'], to_native(e)),
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exception=traceback.format_exc(), **camel_dict_to_snake_dict(e.response))
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except BotoCoreError as e:
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module.fail_json(msg="Unable to detach policy {0} from {1}: {2}".format(policy, params['RoleName'], to_native(e)),
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exception=traceback.format_exc())
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return True
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def create_or_update_role(connection, module):
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params = dict()
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@ -219,7 +239,9 @@ def create_or_update_role(connection, module):
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role = connection.create_role(**params)
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changed = True
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except ClientError as e:
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module.fail_json(msg=e.message, exception=traceback.format_exc(), **camel_dict_to_snake_dict(e.response))
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module.fail_json(msg="Unable to create role", exception=traceback.format_exc(), **camel_dict_to_snake_dict(e.response))
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except BotoCoreError as e:
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module.fail_json(msg="Unable to create role", exception=traceback.format_exc())
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else:
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# Check Assumed Policy document
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if not compare_assume_role_policy_doc(role['AssumeRolePolicyDocument'], params['AssumeRolePolicyDocument']):
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@ -227,40 +249,41 @@ def create_or_update_role(connection, module):
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connection.update_assume_role_policy(RoleName=params['RoleName'], PolicyDocument=json.dumps(json.loads(params['AssumeRolePolicyDocument'])))
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changed = True
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except ClientError as e:
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module.fail_json(msg=e.message, exception=traceback.format_exc(), **camel_dict_to_snake_dict(e.response))
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module.fail_json(msg="Unable to update assume role policy for role {0}: {1}".format(params['RoleName'], to_native(e)),
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exception=traceback.format_exc(), **camel_dict_to_snake_dict(e.response))
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except BotoCoreError as e:
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module.fail_json(msg="Unable to update assume role policy for role {0}: {1}".format(params['RoleName'], to_native(e)),
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exception=traceback.format_exc())
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if managed_policies is not None:
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# Get list of current attached managed policies
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current_attached_policies = get_attached_policy_list(connection, module, params['RoleName'])
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current_attached_policies_arn_list = [policy['PolicyArn'] for policy in current_attached_policies]
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# If a single empty list item then all managed policies to be removed
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if len(managed_policies) == 1 and not managed_policies[0]:
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for policy in current_attached_policies:
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try:
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connection.detach_role_policy(RoleName=params['RoleName'], PolicyArn=policy['PolicyArn'])
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except ClientError as e:
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module.fail_json(msg=e.message, exception=traceback.format_exc(), **camel_dict_to_snake_dict(e.response))
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if len(managed_policies) == 1 and not managed_policies[0] and module.params.get('purge_policies'):
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# Detach policies not present
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if remove_policies(connection, module, set(current_attached_policies_arn_list) - set(managed_policies), params):
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changed = True
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else:
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# Make a list of the ARNs from the attached 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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# Detach roles not defined in task
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for policy_arn in list(set(current_attached_policies_arn_list) - set(managed_policies)):
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try:
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connection.detach_role_policy(RoleName=params['RoleName'], PolicyArn=policy_arn)
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except ClientError as e:
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module.fail_json(msg=e.message, exception=traceback.format_exc(), **camel_dict_to_snake_dict(e.response))
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changed = True
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if module.params.get('purge_policies'):
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if remove_policies(connection, module, set(current_attached_policies_arn_list) - set(managed_policies), params):
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changed = True
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# Attach roles not already attached
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for policy_arn in list(set(managed_policies) - set(current_attached_policies_arn_list)):
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for policy_arn in set(managed_policies) - set(current_attached_policies_arn_list):
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try:
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connection.attach_role_policy(RoleName=params['RoleName'], PolicyArn=policy_arn)
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except ClientError as e:
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module.fail_json(msg=e.message, exception=traceback.format_exc(), **camel_dict_to_snake_dict(e.response))
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module.fail_json(msg="Unable to attach policy {0} to role {1}: {2}".format(policy_arn, params['RoleName'], to_native(e)),
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exception=traceback.format_exc(), **camel_dict_to_snake_dict(e.response))
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except BotoCoreError as e:
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module.fail_json(msg="Unable to attach policy {0} to role {1}: {2}".format(policy_arn, params['RoleName'], to_native(e)),
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exception=traceback.format_exc())
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changed = True
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# Instance profile
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@ -268,7 +291,11 @@ def create_or_update_role(connection, module):
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try:
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instance_profiles = connection.list_instance_profiles_for_role(RoleName=params['RoleName'])['InstanceProfiles']
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except ClientError as e:
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module.fail_json(msg=e.message, exception=traceback.format_exc(), **camel_dict_to_snake_dict(e.response))
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module.fail_json(msg="Unable to list instance profiles for role {0}: {1}".format(params['RoleName'], to_native(e)),
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exception=traceback.format_exc(), **camel_dict_to_snake_dict(e.response))
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except BotoCoreError as e:
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module.fail_json(msg="Unable to list instance profiles for role {0}: {1}".format(params['RoleName'], to_native(e)),
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exception=traceback.format_exc())
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if not any(p['InstanceProfileName'] == params['RoleName'] for p in instance_profiles):
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# Make sure an instance profile is attached
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try:
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@ -279,7 +306,11 @@ def create_or_update_role(connection, module):
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if e.response['Error']['Code'] == 'EntityAlreadyExists':
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pass
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else:
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module.fail_json(msg=e.message, exception=traceback.format_exc(), **camel_dict_to_snake_dict(e.response))
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module.fail_json(msg="Unable to create instance profile for role {0}: {1}".format(params['RoleName'], to_native(e)),
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exception=traceback.format_exc(), **camel_dict_to_snake_dict(e.response))
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except BotoCoreError as e:
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module.fail_json(msg="Unable to create instance profile for role {0}: {1}".format(params['RoleName'], to_native(e)),
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exception=traceback.format_exc())
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connection.add_role_to_instance_profile(InstanceProfileName=params['RoleName'], RoleName=params['RoleName'])
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# Get the role again
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@ -300,26 +331,43 @@ def destroy_role(connection, module):
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try:
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instance_profiles = connection.list_instance_profiles_for_role(RoleName=params['RoleName'])['InstanceProfiles']
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except ClientError as e:
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module.fail_json(msg=e.message, exception=traceback.format_exc(), **camel_dict_to_snake_dict(e.response))
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module.fail_json(msg="Unable to list instance profiles for role {0}: {1}".format(params['RoleName'], to_native(e)),
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exception=traceback.format_exc(), **camel_dict_to_snake_dict(e.response))
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except BotoCoreError as e:
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module.fail_json(msg="Unable to list instance profiles for role {0}: {1}".format(params['RoleName'], to_native(e)),
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exception=traceback.format_exc())
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# Now remove the role from the instance profile(s)
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for profile in instance_profiles:
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try:
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connection.remove_role_from_instance_profile(InstanceProfileName=profile['InstanceProfileName'], RoleName=params['RoleName'])
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except ClientError as e:
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module.fail_json(msg=e.message, exception=traceback.format_exc(), **camel_dict_to_snake_dict(e.response))
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module.fail_json(msg="Unable to remove role {0} from instance profile {1}: {2}".format(
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params['RoleName'], profile['InstanceProfileName'], to_native(e)),
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exception=traceback.format_exc(), **camel_dict_to_snake_dict(e.response))
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except BotoCoreError as e:
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module.fail_json(msg="Unable to remove role {0} from instance profile {1}: {2}".format(
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params['RoleName'], profile['InstanceProfileName'], to_native(e)),
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exception=traceback.format_exc())
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# Now 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['RoleName']):
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connection.detach_role_policy(RoleName=params['RoleName'], PolicyArn=policy['PolicyArn'])
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except ClientError as e:
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module.fail_json(msg=e.message, exception=traceback.format_exc(), **camel_dict_to_snake_dict(e.response))
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module.fail_json(msg="Unable to detach policy {0} from role {1}: {2}".format(policy['PolicyArn'], params['RoleName'], to_native(e)),
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exception=traceback.format_exc(), **camel_dict_to_snake_dict(e.response))
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except BotoCoreError as e:
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module.fail_json(msg="Unable to detach policy {0} from role {1}: {2}".format(policy['PolicyArn'], params['RoleName'], to_native(e)),
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exception=traceback.format_exc())
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try:
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connection.delete_role(**params)
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except ClientError as e:
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module.fail_json(msg=e.message, exception=traceback.format_exc(), **camel_dict_to_snake_dict(e.response))
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module.fail_json(msg="Unable to delete role: {0}".format(to_native(e)),
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exception=traceback.format_exc(), **camel_dict_to_snake_dict(e.response))
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except BotoCoreError as e:
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module.fail_json(msg="Unable to delete role: {0}".format(to_native(e)), exception=traceback.format_exc())
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else:
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module.exit_json(changed=False)
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@ -333,9 +381,10 @@ def get_role(connection, module, name):
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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=e.message, exception=traceback.format_exc(), **camel_dict_to_snake_dict(e.response))
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except NoCredentialsError as e:
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module.fail_json(msg="AWS authentication problem. " + e.message, exception=traceback.format_exc())
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module.fail_json(msg="Unable to get role {0}: {1}".format(name, to_native(e)),
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exception=traceback.format_exc(), **camel_dict_to_snake_dict(e.response))
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except BotoCoreError as e:
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module.fail_json(msg="Unable to get role {0}: {1}".format(name, to_native(e)), exception=traceback.format_exc())
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def get_attached_policy_list(connection, module, name):
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@ -344,9 +393,13 @@ def get_attached_policy_list(connection, module, name):
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return connection.list_attached_role_policies(RoleName=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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return []
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else:
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module.fail_json(msg=e.message, exception=traceback.format_exc(), **camel_dict_to_snake_dict(e.response))
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module.fail_json(msg="Unable to list attached policies for role {0}: {1}".format(name, to_native(e)),
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exception=traceback.format_exc(), **camel_dict_to_snake_dict(e.response))
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except BotoCoreError as e:
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module.fail_json(msg="Unable to list attached policies for role {0}: {1}".format(name, to_native(e)),
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exception=traceback.format_exc())
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def main():
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@ -360,7 +413,8 @@ def main():
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managed_policy=dict(type='list', aliases=['managed_policies']),
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state=dict(type='str', choices=['present', 'absent'], default='present'),
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description=dict(type='str'),
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create_instance_profile=dict(type='bool', default=True)
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create_instance_profile=dict(type='bool', default=True),
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purge_policies=dict(type='bool', default=True),
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)
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)
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