ansible/library/cloud/rax_dns_record

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#!/usr/bin/python
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# 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/>.
# This is a DOCUMENTATION stub specific to this module, it extends
# a documentation fragment located in ansible.utils.module_docs_fragments
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DOCUMENTATION = '''
---
module: rax_dns_record
short_description: Manage DNS records on Rackspace Cloud DNS
description:
- Manage DNS records on Rackspace Cloud DNS
version_added: 1.5
options:
comment:
description:
- Brief description of the domain. Maximum length of 160 characters
data:
description:
- IP address for A/AAAA record, FQDN for CNAME/MX/NS, or text data for
SRV/TXT
required: True
domain:
description:
- Domain name to create the record in. This is an invalid option when
type=PTR
loadbalancer:
description:
- Load Balancer ID to create a PTR record for. Only used with type=PTR
version_added: 1.7
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name:
description:
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- FQDN record name to create
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required: True
priority:
description:
- Required for MX and SRV records, but forbidden for other record types.
If specified, must be an integer from 0 to 65535.
server:
description:
- Server ID to create a PTR record for. Only used with type=PTR
version_added: 1.7
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state:
description:
- Indicate desired state of the resource
choices:
- present
- absent
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default: present
ttl:
description:
- Time to live of record in seconds
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default: 3600
type:
description:
- DNS record type
choices:
- A
- AAAA
- CNAME
- MX
- NS
- SRV
- TXT
- PTR
required: true
notes:
- "It is recommended that plays utilizing this module be run with
C(serial: 1) to avoid exceeding the API request limit imposed by
the Rackspace CloudDNS API"
- To manipulate a C(PTR) record either C(loadbalancer) or C(server) must be
supplied
- As of version 1.7, the C(type) field is required and no longer defaults to an C(A) record.
- C(PTR) record support was added in version 1.7
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author: Matt Martz
extends_documentation_fragment: rackspace
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'''
EXAMPLES = '''
- name: Create DNS Records
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hosts: all
gather_facts: False
tasks:
- name: Create A record
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local_action:
module: rax_dns_record
credentials: ~/.raxpub
domain: example.org
name: www.example.org
data: "{{ rax_accessipv4 }}"
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type: A
register: a_record
- name: Create PTR record
local_action:
module: rax_dns_record
credentials: ~/.raxpub
server: "{{ rax_id }}"
name: "{{ inventory_hostname }}"
region: DFW
register: ptr_record
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'''
from uuid import UUID
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try:
import pyrax
HAS_PYRAX = True
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except ImportError:
HAS_PYRAX = False
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NON_CALLABLES = (basestring, bool, dict, int, list, type(None))
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def to_dict(obj):
instance = {}
for key in dir(obj):
value = getattr(obj, key)
if (isinstance(value, NON_CALLABLES) and not key.startswith('_')):
instance[key] = value
return instance
def rax_dns_record_ptr(module, data=None, comment=None, loadbalancer=None,
name=None, server=None, state='present', ttl=7200):
"""Function for manipulating DNS PTR records"""
changed = False
results = []
cs = pyrax.cloudservers
clb = pyrax.cloud_loadbalancers
dns = pyrax.cloud_dns
if not cs or not clb or not dns:
module.fail_json(msg='Failed to instantiate client. This '
'typically indicates an invalid region or an '
'incorrectly capitalized region name.')
if loadbalancer:
try:
UUID(loadbalancer)
found = [clb.get(loadbalancer)]
except:
for lb in clb.list():
if loadbalancer == lb.name:
found.append(lb)
if len(found) != 1:
module.fail_json(msg='Could not match a loadbalancer with %s' %
loadbalancer)
elif server:
try:
UUID(server)
found = [cs.servers.get(server)]
except:
found = cs.servers.list(search_opts=dict(name='^%s$' % server))
if len(found) != 1:
module.fail_json(msg='Could not match a server with %s' %
server)
item = found[0]
if state == 'present':
current = dns.list_ptr_records(item)
for record in current:
if record.data == data:
if record.ttl != ttl or record.name != name:
try:
dns.update_ptr_record(item, record, name, data, ttl)
changed = True
except Exception, e:
module.fail_json(msg='%s' % e.message)
record.ttl = ttl
record.name = name
results.append(to_dict(record))
break
else:
results.append(to_dict(record))
break
if not results:
record = dict(name=name, type='PTR', data=data, ttl=ttl,
comment=comment)
try:
results = dns.add_ptr_records(item, [record])
changed = True
except Exception, e:
module.fail_json(msg='%s' % e.message)
module.exit_json(changed=changed, records=results)
elif state == 'absent':
current = dns.list_ptr_records(item)
for record in current:
if record.data == data:
results.append(to_dict(record))
break
if results:
try:
dns.delete_ptr_records(item, data)
changed = True
except Exception, e:
module.fail_json(msg='%s' % e.message)
module.exit_json(changed=changed, records=results)
def rax_dns_record(module, comment=None, data=None, domain=None, name=None,
priority=None, record_type='A', state='present', ttl=7200):
"""Function for manipulating record types other than PTR"""
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changed = False
dns = pyrax.cloud_dns
if not dns:
module.fail_json(msg='Failed to instantiate client. This '
'typically indicates an invalid region or an '
'incorrectly capitalized region name.')
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if state == 'present':
if not priority and record_type in ['MX', 'SRV']:
module.fail_json(msg='A "priority" attribute is required for '
'creating a MX or SRV record')
try:
domain = dns.find(name=domain)
except Exception, e:
module.fail_json(msg='%s' % e.message)
try:
record = domain.find_record(record_type, name=name)
except pyrax.exceptions.DomainRecordNotUnique, e:
module.fail_json(msg='%s' % e.message)
except pyrax.exceptions.DomainRecordNotFound, e:
try:
record_data = {
'type': record_type,
'name': name,
'data': data,
'ttl': ttl
}
if comment:
record_data.update(dict(comment=comment))
if priority and record_type.upper() in ['MX', 'SRV']:
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record_data.update(dict(priority=priority))
record = domain.add_records([record_data])[0]
changed = True
except Exception, e:
module.fail_json(msg='%s' % e.message)
update = {}
if comment != getattr(record, 'comment', None):
update['comment'] = comment
if ttl != getattr(record, 'ttl', None):
update['ttl'] = ttl
if priority != getattr(record, 'priority', None):
update['priority'] = priority
if data != getattr(record, 'data', None):
update['data'] = data
if update:
try:
record.update(**update)
changed = True
record.get()
except Exception, e:
module.fail_json(msg='%s' % e.message)
elif state == 'absent':
try:
domain = dns.find(name=domain)
except Exception, e:
module.fail_json(msg='%s' % e.message)
try:
record = domain.find_record(record_type, name=name, data=data)
except pyrax.exceptions.DomainRecordNotFound, e:
record = {}
pass
except pyrax.exceptions.DomainRecordNotUnique, e:
module.fail_json(msg='%s' % e.message)
if record:
try:
record.delete()
changed = True
except Exception, e:
module.fail_json(msg='%s' % e.message)
module.exit_json(changed=changed, record=to_dict(record))
def main():
argument_spec = rax_argument_spec()
argument_spec.update(
dict(
comment=dict(),
data=dict(required=True),
domain=dict(),
loadbalancer=dict(),
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name=dict(required=True),
priority=dict(type='int'),
server=dict(),
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state=dict(default='present', choices=['present', 'absent']),
ttl=dict(type='int', default=3600),
type=dict(required=True, choices=['A', 'AAAA', 'CNAME', 'MX', 'NS',
'SRV', 'TXT', 'PTR'])
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)
)
module = AnsibleModule(
argument_spec=argument_spec,
required_together=rax_required_together(),
mutually_exclusive=[
['server', 'loadbalancer', 'domain'],
],
required_one_of=[
['server', 'loadbalancer', 'domain'],
],
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)
if not HAS_PYRAX:
module.fail_json(msg='pyrax is required for this module')
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comment = module.params.get('comment')
data = module.params.get('data')
domain = module.params.get('domain')
loadbalancer = module.params.get('loadbalancer')
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name = module.params.get('name')
priority = module.params.get('priority')
server = module.params.get('server')
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state = module.params.get('state')
ttl = module.params.get('ttl')
record_type = module.params.get('type')
setup_rax_module(module, pyrax)
if record_type.upper() == 'PTR':
if not server and not loadbalancer:
module.fail_json(msg='one of the following is required: '
'server,loadbalancer')
rax_dns_record_ptr(module, data=data, comment=comment,
loadbalancer=loadbalancer, name=name, server=server,
state=state, ttl=ttl)
else:
rax_dns_record(module, comment=comment, data=data, domain=domain,
name=name, priority=priority, record_type=record_type,
state=state, ttl=ttl)
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# import module snippets
from ansible.module_utils.basic import *
from ansible.module_utils.rax import *
### invoke the module
main()