ansible-collection-hetzner-.../plugins/modules/hcloud_rdns.py
Julian Tölle 43ae035040
lint: fix unused-import errors (#195)
The linting rule `unused-import` was recently activated in ansible-test.

This commit removes all unused imports to satify the linting rule.
2023-03-31 09:01:22 +02:00

360 lines
13 KiB
Python

#!/usr/bin/python
# -*- coding: utf-8 -*-
# Copyright: (c) 2019, Hetzner Cloud GmbH <info@hetzner-cloud.de>
# 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: hcloud_rdns
short_description: Create and manage reverse DNS entries on the Hetzner Cloud.
description:
- Create, update and delete reverse DNS entries on the Hetzner Cloud.
author:
- Lukas Kaemmerling (@lkaemmerling)
options:
server:
description:
- The name of the Hetzner Cloud server you want to add the reverse DNS entry to.
type: str
floating_ip:
description:
- The name of the Hetzner Cloud Floating IP you want to add the reverse DNS entry to.
type: str
primary_ip:
description:
- The name of the Hetzner Cloud Primary IP you want to add the reverse DNS entry to.
type: str
load_balancer:
description:
- The name of the Hetzner Cloud Load Balancer you want to add the reverse DNS entry to.
type: str
ip_address:
description:
- The IP address that should point to I(dns_ptr).
type: str
required: true
dns_ptr:
description:
- The DNS address the I(ip_address) should resolve to.
- Omit the param to reset the reverse DNS entry to the default value.
type: str
state:
description:
- State of the reverse DNS entry.
default: present
choices: [ absent, present ]
type: str
requirements:
- hcloud-python >= 1.3.0
extends_documentation_fragment:
- hetzner.hcloud.hcloud
'''
EXAMPLES = """
- name: Create a reverse DNS entry for a server
hcloud_rdns:
server: my-server
ip_address: 123.123.123.123
dns_ptr: example.com
state: present
- name: Create a reverse DNS entry for a Floating IP
hcloud_rdns:
floating_ip: my-floating-ip
ip_address: 123.123.123.123
dns_ptr: example.com
state: present
- name: Create a reverse DNS entry for a Primary IP
hcloud_rdns:
primary_ip: my-primary-ip
ip_address: 123.123.123.123
dns_ptr: example.com
state: present
- name: Create a reverse DNS entry for a Load Balancer
hcloud_rdns:
load_balancer: my-load-balancer
ip_address: 123.123.123.123
dns_ptr: example.com
state: present
- name: Ensure the reverse DNS entry is absent (remove if needed)
hcloud_rdns:
server: my-server
ip_address: 123.123.123.123
dns_ptr: example.com
state: absent
"""
RETURN = """
hcloud_rdns:
description: The reverse DNS entry
returned: always
type: complex
contains:
server:
description: Name of the server
type: str
returned: always
sample: my-server
floating_ip:
description: Name of the Floating IP
type: str
returned: always
sample: my-floating-ip
primary_ip:
description: Name of the Primary IP
type: str
returned: always
sample: my-primary-ip
load_balancer:
description: Name of the Load Balancer
type: str
returned: always
sample: my-load-balancer
ip_address:
description: The IP address that point to the DNS ptr
type: str
returned: always
sample: 123.123.123.123
dns_ptr:
description: The DNS that resolves to the IP
type: str
returned: always
sample: example.com
"""
from ansible.module_utils.basic import AnsibleModule
from ansible.module_utils._text import to_native
from ansible_collections.hetzner.hcloud.plugins.module_utils.hcloud import Hcloud
from ansible_collections.ansible.netcommon.plugins.module_utils.network.common import utils
class AnsibleHcloudReverseDNS(Hcloud):
def __init__(self, module):
Hcloud.__init__(self, module, "hcloud_rdns")
self.hcloud_resource = None
self.hcloud_rdns = None
def _prepare_result(self):
result = {
"server": None,
"floating_ip": None,
"load_balancer": None,
"ip_address": to_native(self.hcloud_rdns["ip_address"]),
"dns_ptr": to_native(self.hcloud_rdns["dns_ptr"]),
}
if self.module.params.get("server"):
result["server"] = to_native(self.hcloud_resource.name)
elif self.module.params.get("floating_ip"):
result["floating_ip"] = to_native(self.hcloud_resource.name)
elif self.module.params.get("load_balancer"):
result["load_balancer"] = to_native(self.hcloud_resource.name)
elif self.module.params.get("primary_ip"):
result["primary_ip"] = to_native(self.hcloud_resource.name)
return result
def _get_resource(self):
try:
if self.module.params.get("server"):
self.hcloud_resource = self.client.servers.get_by_name(
self.module.params.get("server")
)
if self.hcloud_resource is None:
self.module.fail_json(msg="The selected server does not exist")
elif self.module.params.get("floating_ip"):
self.hcloud_resource = self.client.floating_ips.get_by_name(
self.module.params.get("floating_ip")
)
if self.hcloud_resource is None:
self.module.fail_json(msg="The selected Floating IP does not exist")
elif self.module.params.get("primary_ip"):
self.hcloud_resource = self.client.primary_ips.get_by_name(
self.module.params.get("primary_ip")
)
if self.hcloud_resource is None:
self.module.fail_json(msg="The selected Floating IP does not exist")
elif self.module.params.get("load_balancer"):
self.hcloud_resource = self.client.load_balancers.get_by_name(
self.module.params.get("load_balancer")
)
if self.hcloud_resource is None:
self.module.fail_json(msg="The selected Load Balancer does not exist")
except Exception as e:
self.module.fail_json(msg=e.message)
def _get_rdns(self):
ip_address = self.module.params.get("ip_address")
if utils.validate_ip_address(ip_address):
if self.module.params.get("server"):
if self.hcloud_resource.public_net.ipv4.ip == ip_address:
self.hcloud_rdns = {
"ip_address": self.hcloud_resource.public_net.ipv4.ip,
"dns_ptr": self.hcloud_resource.public_net.ipv4.dns_ptr,
}
else:
self.module.fail_json(msg="The selected server does not have this IP address")
elif self.module.params.get("floating_ip"):
if self.hcloud_resource.ip == ip_address:
self.hcloud_rdns = {
"ip_address": self.hcloud_resource.ip,
"dns_ptr": self.hcloud_resource.dns_ptr[0]["dns_ptr"],
}
else:
self.module.fail_json(msg="The selected Floating IP does not have this IP address")
elif self.module.params.get("primary_ip"):
if self.hcloud_resource.ip == ip_address:
self.hcloud_rdns = {
"ip_address": self.hcloud_resource.ip,
"dns_ptr": self.hcloud_resource.dns_ptr[0]["dns_ptr"],
}
else:
self.module.fail_json(msg="The selected Primary IP does not have this IP address")
elif self.module.params.get("load_balancer"):
if self.hcloud_resource.public_net.ipv4.ip == ip_address:
self.hcloud_rdns = {
"ip_address": self.hcloud_resource.public_net.ipv4.ip,
"dns_ptr": self.hcloud_resource.public_net.ipv4.dns_ptr,
}
else:
self.module.fail_json(msg="The selected Load Balancer does not have this IP address")
elif utils.validate_ip_v6_address(ip_address):
if self.module.params.get("server"):
for ipv6_address_dns_ptr in self.hcloud_resource.public_net.ipv6.dns_ptr:
if ipv6_address_dns_ptr["ip"] == ip_address:
self.hcloud_rdns = {
"ip_address": ipv6_address_dns_ptr["ip"],
"dns_ptr": ipv6_address_dns_ptr["dns_ptr"],
}
elif self.module.params.get("floating_ip"):
for ipv6_address_dns_ptr in self.hcloud_resource.dns_ptr:
if ipv6_address_dns_ptr["ip"] == ip_address:
self.hcloud_rdns = {
"ip_address": ipv6_address_dns_ptr["ip"],
"dns_ptr": ipv6_address_dns_ptr["dns_ptr"],
}
elif self.module.params.get("primary_ip"):
for ipv6_address_dns_ptr in self.hcloud_resource.dns_ptr:
if ipv6_address_dns_ptr["ip"] == ip_address:
self.hcloud_rdns = {
"ip_address": ipv6_address_dns_ptr["ip"],
"dns_ptr": ipv6_address_dns_ptr["dns_ptr"],
}
elif self.module.params.get("load_balancer"):
for ipv6_address_dns_ptr in self.hcloud_resource.public_net.ipv6.dns_ptr:
if ipv6_address_dns_ptr["ip"] == ip_address:
self.hcloud_rdns = {
"ip_address": ipv6_address_dns_ptr["ip"],
"dns_ptr": ipv6_address_dns_ptr["dns_ptr"],
}
else:
self.module.fail_json(msg="The given IP address is not valid")
def _create_rdns(self):
self.module.fail_on_missing_params(
required_params=["dns_ptr"]
)
params = {
"ip": self.module.params.get("ip_address"),
"dns_ptr": self.module.params.get("dns_ptr"),
}
if not self.module.check_mode:
try:
self.hcloud_resource.change_dns_ptr(**params).wait_until_finished()
except Exception as e:
self.module.fail_json(msg=e.message)
self._mark_as_changed()
self._get_resource()
self._get_rdns()
def _update_rdns(self):
dns_ptr = self.module.params.get("dns_ptr")
if dns_ptr != self.hcloud_rdns["dns_ptr"]:
params = {
"ip": self.module.params.get("ip_address"),
"dns_ptr": dns_ptr,
}
if not self.module.check_mode:
try:
self.hcloud_resource.change_dns_ptr(**params).wait_until_finished()
except Exception as e:
self.module.fail_json(msg=e.message)
self._mark_as_changed()
self._get_resource()
self._get_rdns()
def present_rdns(self):
self._get_resource()
self._get_rdns()
if self.hcloud_rdns is None:
self._create_rdns()
else:
self._update_rdns()
def delete_rdns(self):
self._get_resource()
self._get_rdns()
if self.hcloud_rdns is not None:
if not self.module.check_mode:
try:
self.hcloud_resource.change_dns_ptr(ip=self.hcloud_rdns['ip_address'], dns_ptr=None)
except Exception as e:
self.module.fail_json(msg=e.message)
self._mark_as_changed()
self.hcloud_rdns = None
@staticmethod
def define_module():
return AnsibleModule(
argument_spec=dict(
server={"type": "str"},
floating_ip={"type": "str"},
load_balancer={"type": "str"},
primary_ip={"type": "str"},
ip_address={"type": "str", "required": True},
dns_ptr={"type": "str"},
state={
"choices": ["absent", "present"],
"default": "present",
},
**Hcloud.base_module_arguments()
),
required_one_of=[['server', 'floating_ip', 'load_balancer', 'primary_ip']],
mutually_exclusive=[["server", "floating_ip", 'load_balancer', 'primary_ip']],
supports_check_mode=True,
)
def main():
module = AnsibleHcloudReverseDNS.define_module()
hcloud = AnsibleHcloudReverseDNS(module)
state = module.params["state"]
if state == "absent":
hcloud.delete_rdns()
elif state == "present":
hcloud.present_rdns()
module.exit_json(**hcloud.get_result())
if __name__ == "__main__":
main()