ansible-later/env_27/lib/python2.7/site-packages/ansible/modules/cloud/amazon/rds_param_group.py
2019-04-11 13:00:36 +02:00

415 lines
15 KiB
Python

#!/usr/bin/python
# This file is part of Ansible
#
# Ansible is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Ansible is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
ANSIBLE_METADATA = {'metadata_version': '1.1',
'status': ['stableinterface'],
'supported_by': 'community'}
DOCUMENTATION = '''
---
module: rds_param_group
version_added: "1.5"
short_description: manage RDS parameter groups
description:
- Creates, modifies, and deletes RDS parameter groups. This module has a dependency on python-boto >= 2.5.
requirements: [ boto3 ]
options:
state:
description:
- Specifies whether the group should be present or absent.
required: true
default: present
choices: [ 'present' , 'absent' ]
name:
description:
- Database parameter group identifier.
required: true
description:
description:
- Database parameter group description. Only set when a new group is added.
engine:
description:
- The type of database for this group. Required for state=present.
choices:
- 'aurora5.6'
- 'mariadb10.0'
- 'mariadb10.1'
- 'mysql5.1'
- 'mysql5.5'
- 'mysql5.6'
- 'mysql5.7'
- 'oracle-ee-11.2'
- 'oracle-ee-12.1'
- 'oracle-se-11.2'
- 'oracle-se-12.1'
- 'oracle-se1-11.2'
- 'oracle-se1-12.1'
- 'postgres9.3'
- 'postgres9.4'
- 'postgres9.5'
- 'postgres9.6'
- 'sqlserver-ee-10.5'
- 'sqlserver-ee-11.0'
- 'sqlserver-ex-10.5'
- 'sqlserver-ex-11.0'
- 'sqlserver-ex-12.0'
- 'sqlserver-se-10.5'
- 'sqlserver-se-11.0'
- 'sqlserver-se-12.0'
- 'sqlserver-web-10.5'
- 'sqlserver-web-11.0'
- 'sqlserver-web-12.0'
immediate:
description:
- Whether to apply the changes immediately, or after the next reboot of any associated instances.
aliases:
- apply_immediately
params:
description:
- Map of parameter names and values. Numeric values may be represented as K for kilo (1024), M for mega (1024^2), G for giga (1024^3),
or T for tera (1024^4), and these values will be expanded into the appropriate number before being set in the parameter group.
aliases: [parameters]
tags:
description:
- Dictionary of tags to attach to the parameter group
version_added: "2.4"
purge_tags:
description:
- Whether or not to remove tags that do not appear in the I(tags) list. Defaults to false.
version_added: "2.4"
author:
- "Scott Anderson (@tastychutney)"
- "Will Thames (@willthames)"
extends_documentation_fragment:
- aws
- ec2
'''
EXAMPLES = '''
# Add or change a parameter group, in this case setting auto_increment_increment to 42 * 1024
- rds_param_group:
state: present
name: norwegian_blue
description: 'My Fancy Ex Parrot Group'
engine: 'mysql5.6'
params:
auto_increment_increment: "42K"
tags:
Environment: production
Application: parrot
# Remove a parameter group
- rds_param_group:
state: absent
name: norwegian_blue
'''
RETURN = '''
db_parameter_group_name:
description: Name of DB parameter group
type: string
returned: when state is present
db_parameter_group_family:
description: DB parameter group family that this DB parameter group is compatible with.
type: string
returned: when state is present
db_parameter_group_arn:
description: ARN of the DB parameter group
type: string
returned: when state is present
description:
description: description of the DB parameter group
type: string
returned: when state is present
errors:
description: list of errors from attempting to modify parameters that are not modifiable
type: list
returned: when state is present
tags:
description: dictionary of tags
type: dict
returned: when state is present
'''
from ansible.module_utils.basic import AnsibleModule
from ansible.module_utils.ec2 import ec2_argument_spec, get_aws_connection_info, boto3_conn
from ansible.module_utils.ec2 import camel_dict_to_snake_dict, HAS_BOTO3, compare_aws_tags
from ansible.module_utils.ec2 import ansible_dict_to_boto3_tag_list, boto3_tag_list_to_ansible_dict
from ansible.module_utils.parsing.convert_bool import BOOLEANS_TRUE
from ansible.module_utils.six import string_types
from ansible.module_utils._text import to_native
import traceback
try:
import botocore
except ImportError:
pass # caught by imported HAS_BOTO3
VALID_ENGINES = [
'aurora5.6',
'mariadb10.0',
'mariadb10.1',
'mysql5.1',
'mysql5.5',
'mysql5.6',
'mysql5.7',
'oracle-ee-11.2',
'oracle-ee-12.1',
'oracle-se-11.2',
'oracle-se-12.1',
'oracle-se1-11.2',
'oracle-se1-12.1',
'postgres9.3',
'postgres9.4',
'postgres9.5',
'postgres9.6',
'sqlserver-ee-10.5',
'sqlserver-ee-11.0',
'sqlserver-ex-10.5',
'sqlserver-ex-11.0',
'sqlserver-ex-12.0',
'sqlserver-se-10.5',
'sqlserver-se-11.0',
'sqlserver-se-12.0',
'sqlserver-web-10.5',
'sqlserver-web-11.0',
'sqlserver-web-12.0',
]
INT_MODIFIERS = {
'K': 1024,
'M': pow(1024, 2),
'G': pow(1024, 3),
'T': pow(1024, 4),
}
def convert_parameter(param, value):
"""
Allows setting parameters with 10M = 10* 1024 * 1024 and so on.
"""
converted_value = value
if param['DataType'] == 'integer':
if isinstance(value, string_types):
try:
for modifier in INT_MODIFIERS.keys():
if value.endswith(modifier):
converted_value = int(value[:-1]) * INT_MODIFIERS[modifier]
except ValueError:
# may be based on a variable (ie. {foo*3/4}) so
# just pass it on through to boto
pass
elif isinstance(value, bool):
converted_value = 1 if value else 0
elif param['DataType'] == 'boolean':
if isinstance(value, string_types):
converted_value = to_native(value) in BOOLEANS_TRUE
# convert True/False to 1/0
converted_value = 1 if converted_value else 0
return str(converted_value)
def update_parameters(module, connection):
groupname = module.params['name']
desired = module.params['params']
apply_method = 'immediate' if module.params['immediate'] else 'pending-reboot'
errors = []
modify_list = []
parameters_paginator = connection.get_paginator('describe_db_parameters')
existing = parameters_paginator.paginate(DBParameterGroupName=groupname).build_full_result()['Parameters']
lookup = dict((param['ParameterName'], param) for param in existing)
for param_key, param_value in desired.items():
if param_key not in lookup:
errors.append("Parameter %s is not an available parameter for the %s engine" %
(param_key, module.params.get('engine')))
else:
converted_value = convert_parameter(lookup[param_key], param_value)
# engine-default parameters do not have a ParameterValue, so we'll always override those.
if converted_value != lookup[param_key].get('ParameterValue'):
if lookup[param_key]['IsModifiable']:
modify_list.append(dict(ParameterValue=converted_value, ParameterName=param_key, ApplyMethod=apply_method))
else:
errors.append("Parameter %s is not modifiable" % param_key)
# modify_db_parameters takes at most 20 parameters
if modify_list:
try:
from itertools import izip_longest as zip_longest # python 2
except ImportError:
from itertools import zip_longest # python 3
for modify_slice in zip_longest(*[iter(modify_list)] * 20, fillvalue=None):
non_empty_slice = [item for item in modify_slice if item]
try:
connection.modify_db_parameter_group(DBParameterGroupName=groupname, Parameters=non_empty_slice)
except botocore.exceptions.ClientError as e:
module.fail_json(msg="Couldn't update parameters: %s" % str(e),
exception=traceback.format_exc(),
**camel_dict_to_snake_dict(e.response))
return True, errors
return False, errors
def update_tags(module, connection, group, tags):
changed = False
existing_tags = connection.list_tags_for_resource(ResourceName=group['DBParameterGroupArn'])['TagList']
to_update, to_delete = compare_aws_tags(boto3_tag_list_to_ansible_dict(existing_tags),
tags, module.params['purge_tags'])
if to_update:
try:
connection.add_tags_to_resource(ResourceName=group['DBParameterGroupArn'],
Tags=ansible_dict_to_boto3_tag_list(to_update))
changed = True
except botocore.exceptions.ClientError as e:
module.fail_json(msg="Couldn't add tags to parameter group: %s" % str(e),
exception=traceback.format_exc(),
**camel_dict_to_snake_dict(e.response))
except botocore.exceptions.ParamValidationError as e:
# Usually a tag value has been passed as an int or bool, needs to be a string
# The AWS exception message is reasonably ok for this purpose
module.fail_json(msg="Couldn't add tags to parameter group: %s." % str(e),
exception=traceback.format_exc())
if to_delete:
try:
connection.remove_tags_from_resource(ResourceName=group['DBParameterGroupArn'],
TagKeys=to_delete)
changed = True
except botocore.exceptions.ClientError as e:
module.fail_json(msg="Couldn't remove tags from parameter group: %s" % str(e),
exception=traceback.format_exc(),
**camel_dict_to_snake_dict(e.response))
return changed
def ensure_present(module, connection):
groupname = module.params['name']
tags = module.params.get('tags')
changed = False
errors = []
try:
response = connection.describe_db_parameter_groups(DBParameterGroupName=groupname)
except botocore.exceptions.ClientError as e:
if e.response['Error']['Code'] == 'DBParameterGroupNotFound':
response = None
else:
module.fail_json(msg="Couldn't access parameter group information: %s" % str(e),
exception=traceback.format_exc(),
**camel_dict_to_snake_dict(e.response))
if not response:
params = dict(DBParameterGroupName=groupname,
DBParameterGroupFamily=module.params['engine'],
Description=module.params['description'])
if tags:
params['Tags'] = ansible_dict_to_boto3_tag_list(tags)
try:
response = connection.create_db_parameter_group(**params)
changed = True
except botocore.exceptions.ClientError as e:
module.fail_json(msg="Couldn't create parameter group: %s" % str(e),
exception=traceback.format_exc(),
**camel_dict_to_snake_dict(e.response))
else:
group = response['DBParameterGroups'][0]
if tags:
changed = update_tags(module, connection, group, tags)
if module.params.get('params'):
params_changed, errors = update_parameters(module, connection)
changed = changed or params_changed
try:
response = connection.describe_db_parameter_groups(DBParameterGroupName=groupname)
group = camel_dict_to_snake_dict(response['DBParameterGroups'][0])
except botocore.exceptions.ClientError as e:
module.fail_json(msg="Couldn't obtain parameter group information: %s" % str(e),
exception=traceback.format_exc(),
**camel_dict_to_snake_dict(e.response))
try:
tags = connection.list_tags_for_resource(ResourceName=group['db_parameter_group_arn'])['TagList']
except botocore.exceptions.ClientError as e:
module.fail_json(msg="Couldn't obtain parameter group tags: %s" % str(e),
exception=traceback.format_exc(),
**camel_dict_to_snake_dict(e.response))
group['tags'] = boto3_tag_list_to_ansible_dict(tags)
module.exit_json(changed=changed, errors=errors, **group)
def ensure_absent(module, connection):
group = module.params['name']
try:
response = connection.describe_db_parameter_groups(DBParameterGroupName=group)
except botocore.exceptions.ClientError as e:
if e.response['Error']['Code'] == 'DBParameterGroupNotFound':
module.exit_json(changed=False)
else:
module.fail_json(msg="Couldn't access parameter group information: %s" % str(e),
exception=traceback.format_exc(),
**camel_dict_to_snake_dict(e.response))
try:
response = connection.delete_db_parameter_group(DBParameterGroupName=group)
module.exit_json(changed=True)
except botocore.exceptions.ClientError as e:
module.fail_json(msg="Couldn't delete parameter group: %s" % str(e),
exception=traceback.format_exc(),
**camel_dict_to_snake_dict(e.response))
def main():
argument_spec = ec2_argument_spec()
argument_spec.update(
dict(
state=dict(required=True, choices=['present', 'absent']),
name=dict(required=True),
engine=dict(),
description=dict(),
params=dict(aliases=['parameters'], type='dict'),
immediate=dict(type='bool', aliases=['apply_immediately']),
tags=dict(type='dict', default={}),
purge_tags=dict(type='bool', default=False)
)
)
module = AnsibleModule(argument_spec=argument_spec,
required_if=[['state', 'present', ['description', 'engine']]])
if not HAS_BOTO3:
module.fail_json(msg='boto3 and botocore are required for this module')
# Retrieve any AWS settings from the environment.
region, ec2_url, aws_connect_kwargs = get_aws_connection_info(module, boto3=True)
if not region:
module.fail_json(msg="Region must be present")
try:
conn = boto3_conn(module, conn_type='client', resource='rds', region=region, endpoint=ec2_url, **aws_connect_kwargs)
except botocore.exceptions.NoCredentialsError as e:
module.fail_json(msg="Couldn't connect to AWS: %s" % str(e))
state = module.params.get('state')
if state == 'present':
ensure_present(module, conn)
if state == 'absent':
ensure_absent(module, conn)
if __name__ == '__main__':
main()