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community.general/plugins/modules/cloud/scaleway/scaleway_database_backup.py
Nicolas Karolak db656705b0
update scaleway zones (#1690)
2021-01-28 12:51:07 +01:00

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#!/usr/bin/python
#
# Scaleway database backups management module
#
# Copyright (C) 2020 Guillaume Rodriguez (g.rodriguez@opendecide.com).
#
# 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
DOCUMENTATION = '''
---
module: scaleway_database_backup
short_description: Scaleway database backups management module
version_added: 1.2.0
author: Guillaume Rodriguez (@guillaume_ro_fr)
description:
- This module manages database backups on Scaleway account U(https://developer.scaleway.com).
extends_documentation_fragment:
- community.general.scaleway
options:
state:
description:
- Indicate desired state of the database backup.
- C(present) creates a backup.
- C(absent) deletes the backup.
- C(exported) creates a download link for the backup.
- C(restored) restores the backup to a new database.
type: str
default: present
choices:
- present
- absent
- exported
- restored
region:
description:
- Scaleway region to use (for example C(fr-par)).
type: str
required: true
choices:
- fr-par
- nl-ams
- pl-waw
id:
description:
- UUID used to identify the database backup.
- Required for C(absent), C(exported) and C(restored) states.
type: str
name:
description:
- Name used to identify the database backup.
- Required for C(present) state.
- Ignored when C(state=absent), C(state=exported) or C(state=restored).
type: str
required: false
database_name:
description:
- Name used to identify the database.
- Required for C(present) and C(restored) states.
- Ignored when C(state=absent) or C(state=exported).
type: str
required: false
instance_id:
description:
- UUID of the instance associated to the database backup.
- Required for C(present) and C(restored) states.
- Ignored when C(state=absent) or C(state=exported).
type: str
required: false
expires_at:
description:
- Expiration datetime of the database backup (ISO 8601 format).
- Ignored when C(state=absent), C(state=exported) or C(state=restored).
type: str
required: false
wait:
description:
- Wait for the instance to reach its desired state before returning.
type: bool
default: false
wait_timeout:
description:
- Time to wait for the backup to reach the expected state.
type: int
required: false
default: 300
wait_sleep_time:
description:
- Time to wait before every attempt to check the state of the backup.
type: int
required: false
default: 3
'''
EXAMPLES = '''
- name: Create a backup
community.general.scaleway_database_backup:
name: 'my_backup'
state: present
region: 'fr-par'
database_name: 'my-database'
instance_id: '50968a80-2909-4e5c-b1af-a2e19860dddb'
- name: Export a backup
community.general.scaleway_database_backup:
id: '6ef1125a-037e-494f-a911-6d9c49a51691'
state: exported
region: 'fr-par'
- name: Restore a backup
community.general.scaleway_database_backup:
id: '6ef1125a-037e-494f-a911-6d9c49a51691'
state: restored
region: 'fr-par'
database_name: 'my-new-database'
instance_id: '50968a80-2909-4e5c-b1af-a2e19860dddb'
- name: Remove a backup
community.general.scaleway_database_backup:
id: '6ef1125a-037e-494f-a911-6d9c49a51691'
state: absent
region: 'fr-par'
'''
RETURN = '''
metadata:
description: Backup metadata.
returned: when C(state=present), C(state=exported) or C(state=restored)
type: dict
sample: {
"metadata": {
"created_at": "2020-08-06T12:42:05.631049Z",
"database_name": "my-database",
"download_url": null,
"download_url_expires_at": null,
"expires_at": null,
"id": "a15297bd-0c4a-4b4f-8fbb-b36a35b7eb07",
"instance_id": "617be32e-6497-4ed7-b4c7-0ee5a81edf49",
"instance_name": "my-instance",
"name": "backup_name",
"region": "fr-par",
"size": 600000,
"status": "ready",
"updated_at": "2020-08-06T12:42:10.581649Z"
}
}
'''
import datetime
import time
from ansible.module_utils.basic import AnsibleModule
from ansible_collections.community.general.plugins.module_utils.scaleway import (
Scaleway,
scaleway_argument_spec,
SCALEWAY_REGIONS,
)
stable_states = (
'ready',
'deleting',
)
def wait_to_complete_state_transition(module, account_api, backup=None):
wait_timeout = module.params['wait_timeout']
wait_sleep_time = module.params['wait_sleep_time']
if backup is None or backup['status'] in stable_states:
return backup
start = datetime.datetime.utcnow()
end = start + datetime.timedelta(seconds=wait_timeout)
while datetime.datetime.utcnow() < end:
module.debug('We are going to wait for the backup to finish its transition')
response = account_api.get('/rdb/v1/regions/%s/backups/%s' % (module.params.get('region'), backup['id']))
if not response.ok:
module.fail_json(msg='Error getting backup [{0}: {1}]'.format(response.status_code, response.json))
break
response_json = response.json
if response_json['status'] in stable_states:
module.debug('It seems that the backup is not in transition anymore.')
module.debug('Backup in state: %s' % response_json['status'])
return response_json
time.sleep(wait_sleep_time)
else:
module.fail_json(msg='Backup takes too long to finish its transition')
def present_strategy(module, account_api, backup):
name = module.params['name']
database_name = module.params['database_name']
instance_id = module.params['instance_id']
expiration_date = module.params['expires_at']
if backup is not None:
if (backup['name'] == name or name is None) and (
backup['expires_at'] == expiration_date or expiration_date is None):
wait_to_complete_state_transition(module, account_api, backup)
module.exit_json(changed=False)
if module.check_mode:
module.exit_json(changed=True)
payload = {}
if name is not None:
payload['name'] = name
if expiration_date is not None:
payload['expires_at'] = expiration_date
response = account_api.patch('/rdb/v1/regions/%s/backups/%s' % (module.params.get('region'), backup['id']),
payload)
if response.ok:
result = wait_to_complete_state_transition(module, account_api, response.json)
module.exit_json(changed=True, metadata=result)
module.fail_json(msg='Error modifying backup [{0}: {1}]'.format(response.status_code, response.json))
if module.check_mode:
module.exit_json(changed=True)
payload = {'name': name, 'database_name': database_name, 'instance_id': instance_id}
if expiration_date is not None:
payload['expires_at'] = expiration_date
response = account_api.post('/rdb/v1/regions/%s/backups' % module.params.get('region'), payload)
if response.ok:
result = wait_to_complete_state_transition(module, account_api, response.json)
module.exit_json(changed=True, metadata=result)
module.fail_json(msg='Error creating backup [{0}: {1}]'.format(response.status_code, response.json))
def absent_strategy(module, account_api, backup):
if backup is None:
module.exit_json(changed=False)
if module.check_mode:
module.exit_json(changed=True)
response = account_api.delete('/rdb/v1/regions/%s/backups/%s' % (module.params.get('region'), backup['id']))
if response.ok:
result = wait_to_complete_state_transition(module, account_api, response.json)
module.exit_json(changed=True, metadata=result)
module.fail_json(msg='Error deleting backup [{0}: {1}]'.format(response.status_code, response.json))
def exported_strategy(module, account_api, backup):
if backup is None:
module.fail_json(msg=('Backup "%s" not found' % module.params['id']))
if backup['download_url'] is not None:
module.exit_json(changed=False, metadata=backup)
if module.check_mode:
module.exit_json(changed=True)
backup = wait_to_complete_state_transition(module, account_api, backup)
response = account_api.post(
'/rdb/v1/regions/%s/backups/%s/export' % (module.params.get('region'), backup['id']), {})
if response.ok:
result = wait_to_complete_state_transition(module, account_api, response.json)
module.exit_json(changed=True, metadata=result)
module.fail_json(msg='Error exporting backup [{0}: {1}]'.format(response.status_code, response.json))
def restored_strategy(module, account_api, backup):
if backup is None:
module.fail_json(msg=('Backup "%s" not found' % module.params['id']))
database_name = module.params['database_name']
instance_id = module.params['instance_id']
if module.check_mode:
module.exit_json(changed=True)
backup = wait_to_complete_state_transition(module, account_api, backup)
payload = {'database_name': database_name, 'instance_id': instance_id}
response = account_api.post('/rdb/v1/regions/%s/backups/%s/restore' % (module.params.get('region'), backup['id']),
payload)
if response.ok:
result = wait_to_complete_state_transition(module, account_api, response.json)
module.exit_json(changed=True, metadata=result)
module.fail_json(msg='Error restoring backup [{0}: {1}]'.format(response.status_code, response.json))
state_strategy = {
'present': present_strategy,
'absent': absent_strategy,
'exported': exported_strategy,
'restored': restored_strategy,
}
def core(module):
state = module.params['state']
backup_id = module.params['id']
account_api = Scaleway(module)
if backup_id is None:
backup_by_id = None
else:
response = account_api.get('/rdb/v1/regions/%s/backups/%s' % (module.params.get('region'), backup_id))
status_code = response.status_code
backup_json = response.json
backup_by_id = None
if status_code == 404:
backup_by_id = None
elif response.ok:
backup_by_id = backup_json
else:
module.fail_json(msg='Error getting backup [{0}: {1}]'.format(status_code, response.json['message']))
state_strategy[state](module, account_api, backup_by_id)
def main():
argument_spec = scaleway_argument_spec()
argument_spec.update(dict(
state=dict(default='present', choices=['absent', 'present', 'exported', 'restored']),
region=dict(required=True, choices=SCALEWAY_REGIONS),
id=dict(),
name=dict(type='str'),
database_name=dict(required=False),
instance_id=dict(required=False),
expires_at=dict(),
wait=dict(type='bool', default=False),
wait_timeout=dict(type='int', default=300),
wait_sleep_time=dict(type='int', default=3),
))
module = AnsibleModule(
argument_spec=argument_spec,
supports_check_mode=True,
required_together=[
['database_name', 'instance_id'],
],
required_if=[
['state', 'present', ['name', 'database_name', 'instance_id']],
['state', 'absent', ['id']],
['state', 'exported', ['id']],
['state', 'restored', ['id', 'database_name', 'instance_id']],
],
)
core(module)
if __name__ == '__main__':
main()
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