community.general/lib/ansible/modules/cloud/amazon/aws_secret.py

395 lines
14 KiB
Python

#!/usr/bin/python
# Copyright: (c) 2018, REY Remi
# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
from __future__ import absolute_import, division, print_function
__metaclass__ = type
ANSIBLE_METADATA = {'metadata_version': '1.1',
'status': ['preview'],
'supported_by': 'community'}
DOCUMENTATION = r'''
---
module: aws_secret
short_description: Manage secrets stored in AWS Secrets Manager.
description:
- Create, update, and delete secrets stored in AWS Secrets Manager.
author: "REY Remi (@rrey)"
version_added: "2.8"
requirements: [ 'botocore>=1.10.0', 'boto3' ]
options:
name:
description:
- Friendly name for the secret you are creating.
required: true
state:
description:
- Whether the secret should be exist or not.
default: 'present'
choices: ['present', 'absent']
recovery_window:
description:
- Only used if state is absent.
- Specifies the number of days that Secrets Manager waits before it can delete the secret.
- If set to 0, the deletion is forced without recovery.
default: 30
description:
description:
- Specifies a user-provided description of the secret.
kms_key_id:
description:
- Specifies the ARN or alias of the AWS KMS customer master key (CMK) to be
used to encrypt the `secret_string` or `secret_binary` values in the versions stored in this secret.
secret_type:
description:
- Specifies the type of data that you want to encrypt.
choices: ['binary', 'string']
default: 'string'
secret:
description:
- Specifies string or binary data that you want to encrypt and store in the new version of the secret.
default: ""
tags:
description:
- Specifies a list of user-defined tags that are attached to the secret.
rotation_lambda:
description:
- Specifies the ARN of the Lambda function that can rotate the secret.
rotation_interval:
description:
- Specifies the number of days between automatic scheduled rotations of the secret.
default: 30
extends_documentation_fragment:
- ec2
- aws
'''
EXAMPLES = r'''
- name: Add string to AWS Secrets Manager
aws_secret:
name: 'test_secret_string'
state: present
secret_type: 'string'
secret: "{{ super_secret_string }}"
- name: remove string from AWS Secrets Manager
aws_secret:
name: 'test_secret_string'
state: absent
secret_type: 'string'
secret: "{{ super_secret_string }}"
'''
RETURN = r'''
secret:
description: The secret information
returned: always
type: complex
contains:
arn:
description: The ARN of the secret
returned: always
type: string
sample: arn:aws:secretsmanager:eu-west-1:xxxxxxxxxx:secret:xxxxxxxxxxx
last_accessed_date:
description: The date the secret was last accessed
returned: always
type: string
sample: '2018-11-20T01:00:00+01:00'
last_changed_date:
description: The date the secret was last modified.
returned: always
type: string
sample: '2018-11-20T12:16:38.433000+01:00'
name:
description: The secret name.
returned: always
type: string
sample: my_secret
rotation_enabled:
description: The secret rotation status.
returned: always
type: bool
sample: false
version_ids_to_stages:
description: Provide the secret version ids and the associated secret stage.
returned: always
type: complex
sample: { "dc1ed59b-6d8e-4450-8b41-536dfe4600a9": [ "AWSCURRENT" ] }
'''
from ansible.module_utils._text import to_bytes
from ansible.module_utils.aws.core import AnsibleAWSModule
from ansible.module_utils.ec2 import snake_dict_to_camel_dict, camel_dict_to_snake_dict
from ansible.module_utils.ec2 import boto3_tag_list_to_ansible_dict, compare_aws_tags, ansible_dict_to_boto3_tag_list
try:
from botocore.exceptions import BotoCoreError, ClientError
except ImportError:
pass # handled by AnsibleAWSModule
class Secret(object):
"""An object representation of the Secret described by the self.module args"""
def __init__(self, name, secret_type, secret, description="", kms_key_id=None,
tags=None, lambda_arn=None, rotation_interval=None):
self.name = name
self.description = description
self.kms_key_id = kms_key_id
if secret_type == "binary":
self.secret_type = "SecretBinary"
else:
self.secret_type = "SecretString"
self.secret = secret
self.tags = tags or {}
self.rotation_enabled = False
if lambda_arn:
self.rotation_enabled = True
self.rotation_lambda_arn = lambda_arn
self.rotation_rules = {"AutomaticallyAfterDays": int(rotation_interval)}
@property
def create_args(self):
args = {
"Name": self.name
}
if self.description:
args["Description"] = self.description
if self.kms_key_id:
args["KmsKeyId"] = self.kms_key_id
if self.tags:
args["Tags"] = ansible_dict_to_boto3_tag_list(self.tags)
args[self.secret_type] = self.secret
return args
@property
def update_args(self):
args = {
"SecretId": self.name
}
if self.description:
args["Description"] = self.description
if self.kms_key_id:
args["KmsKeyId"] = self.kms_key_id
args[self.secret_type] = self.secret
return args
@property
def boto3_tags(self):
return ansible_dict_to_boto3_tag_list(self.Tags)
def as_dict(self):
result = self.__dict__
result.pop("tags")
return snake_dict_to_camel_dict(result)
class SecretsManagerInterface(object):
"""An interface with SecretsManager"""
def __init__(self, module):
self.module = module
self.client = self.module.client('secretsmanager')
def get_secret(self, name):
try:
secret = self.client.describe_secret(SecretId=name)
except self.client.exceptions.ResourceNotFoundException:
secret = None
except Exception as e:
self.module.fail_json_aws(e, msg="Failed to describe secret")
return secret
def create_secret(self, secret):
if self.module.check_mode:
self.module.exit_json(changed=True)
try:
created_secret = self.client.create_secret(**secret.create_args)
except (BotoCoreError, ClientError) as e:
self.module.fail_json_aws(e, msg="Failed to create secret")
if secret.rotation_enabled:
response = self.update_rotation(secret)
created_secret["VersionId"] = response.get("VersionId")
return created_secret
def update_secret(self, secret):
if self.module.check_mode:
self.module.exit_json(changed=True)
try:
response = self.client.update_secret(**secret.update_args)
except (BotoCoreError, ClientError) as e:
self.module.fail_json_aws(e, msg="Failed to update secret")
return response
def restore_secret(self, name):
if self.module.check_mode:
self.module.exit_json(changed=True)
try:
response = self.client.restore_secret(SecretId=name)
except (BotoCoreError, ClientError) as e:
self.module.fail_json_aws(e, msg="Failed to restore secret")
return response
def delete_secret(self, name, recovery_window):
if self.module.check_mode:
self.module.exit_json(changed=True)
try:
if recovery_window == 0:
response = self.client.delete_secret(SecretId=name, ForceDeleteWithoutRecovery=True)
else:
response = self.client.delete_secret(SecretId=name, RecoveryWindowInDays=recovery_window)
except (BotoCoreError, ClientError) as e:
self.module.fail_json_aws(e, msg="Failed to delete secret")
return response
def update_rotation(self, secret):
if secret.rotation_enabled:
try:
response = self.client.rotate_secret(
SecretId=secret.name,
RotationLambdaARN=secret.rotation_lambda_arn,
RotationRules=secret.rotation_rules)
except (BotoCoreError, ClientError) as e:
self.module.fail_json_aws(e, msg="Failed to rotate secret secret")
else:
try:
response = self.client.cancel_rotate_secret(SecretId=secret.name)
except (BotoCoreError, ClientError) as e:
self.module.fail_json_aws(e, msg="Failed to cancel rotation")
return response
def tag_secret(self, secret_name, tags):
try:
self.client.tag_resource(SecretId=secret_name, Tags=tags)
except (BotoCoreError, ClientError) as e:
self.module.fail_json_aws(e, msg="Failed to add tag(s) to secret")
def untag_secret(self, secret_name, tag_keys):
try:
self.client.untag_resource(SecretId=secret_name, TagKeys=tag_keys)
except (BotoCoreError, ClientError) as e:
self.module.fail_json_aws(e, msg="Failed to remove tag(s) from secret")
def secrets_match(self, desired_secret, current_secret):
"""Compare secrets except tags and rotation
Args:
desired_secret: camel dict representation of the desired secret state.
current_secret: secret reference as returned by the secretsmanager api.
Returns: bool
"""
if desired_secret.description != current_secret.get("Description", ""):
return False
if desired_secret.kms_key_id != current_secret.get("KmsKeyId"):
return False
current_secret_value = self.client.get_secret_value(SecretId=current_secret.get("Name"))
if desired_secret.secret_type == 'SecretBinary':
desired_value = to_bytes(desired_secret.secret)
else:
desired_value = desired_secret.secret
if desired_value != current_secret_value.get(desired_secret.secret_type):
return False
return True
def rotation_match(desired_secret, current_secret):
"""Compare secrets rotation configuration
Args:
desired_secret: camel dict representation of the desired secret state.
current_secret: secret reference as returned by the secretsmanager api.
Returns: bool
"""
if desired_secret.rotation_enabled != current_secret.get("RotationEnabled", False):
return False
if desired_secret.rotation_enabled:
if desired_secret.rotation_lambda_arn != current_secret.get("RotationLambdaARN"):
return False
if desired_secret.rotation_rules != current_secret.get("RotationRules"):
return False
return True
def main():
module = AnsibleAWSModule(
argument_spec={
'name': dict(required=True),
'state': dict(choices=['present', 'absent'], default='present'),
'description': dict(default=""),
'kms_key_id': dict(),
'secret_type': dict(choices=['binary', 'string'], default="string"),
'secret': dict(default=""),
'tags': dict(type='dict', default={}),
'rotation_lambda': dict(),
'rotation_interval': dict(type='int', default=30),
'recovery_window': dict(type='int', default=30),
},
supports_check_mode=True,
)
changed = False
state = module.params.get('state')
secrets_mgr = SecretsManagerInterface(module)
recovery_window = module.params.get('recovery_window')
secret = Secret(
module.params.get('name'),
module.params.get('secret_type'),
module.params.get('secret'),
description=module.params.get('description'),
kms_key_id=module.params.get('kms_key_id'),
tags=module.params.get('tags'),
lambda_arn=module.params.get('rotation_lambda'),
rotation_interval=module.params.get('rotation_interval')
)
current_secret = secrets_mgr.get_secret(secret.name)
if state == 'absent':
if current_secret:
if not current_secret.get("DeletedDate"):
result = camel_dict_to_snake_dict(secrets_mgr.delete_secret(secret.name, recovery_window=recovery_window))
changed = True
elif current_secret.get("DeletedDate") and recovery_window == 0:
result = camel_dict_to_snake_dict(secrets_mgr.delete_secret(secret.name, recovery_window=recovery_window))
changed = True
else:
result = "secret does not exist"
if state == 'present':
if current_secret is None:
result = secrets_mgr.create_secret(secret)
changed = True
else:
if current_secret.get("DeletedDate"):
secrets_mgr.restore_secret(secret.name)
changed = True
if not secrets_mgr.secrets_match(secret, current_secret):
result = secrets_mgr.update_secret(secret)
changed = True
if not rotation_match(secret, current_secret):
result = secrets_mgr.update_rotation(secret)
changed = True
current_tags = boto3_tag_list_to_ansible_dict(current_secret.get('Tags', []))
tags_to_add, tags_to_remove = compare_aws_tags(current_tags, secret.tags)
if tags_to_add:
secrets_mgr.tag_secret(secret.name, ansible_dict_to_boto3_tag_list(tags_to_add))
changed = True
if tags_to_remove:
secrets_mgr.untag_secret(secret.name, tags_to_remove)
changed = True
result = camel_dict_to_snake_dict(secrets_mgr.get_secret(secret.name))
result.pop("response_metadata")
module.exit_json(changed=changed, secret=result)
if __name__ == '__main__':
main()