mirror of
https://github.com/ansible-collections/hetzner.hcloud
synced 2024-11-10 06:34:13 +00:00
4bb02b9cd2
##### SUMMARY Since we only support python >=3.8, the `to_native` python2/3 compatibility function is not needed anymore. We only keep it for printing a traceback free exception message. Where a type conversion is needed, we use the built-in `str()` function.
359 lines
13 KiB
Python
359 lines
13 KiB
Python
#!/usr/bin/python
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# Copyright: (c) 2019, Hetzner Cloud GmbH <info@hetzner-cloud.de>
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# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
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from __future__ import annotations
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DOCUMENTATION = """
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---
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module: rdns
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short_description: Create and manage reverse DNS entries on the Hetzner Cloud.
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description:
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- Create, update and delete reverse DNS entries on the Hetzner Cloud.
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author:
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- Lukas Kaemmerling (@lkaemmerling)
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options:
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server:
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description:
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- Name or ID of the Hetzner Cloud server you want to add the reverse DNS entry to.
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type: str
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floating_ip:
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description:
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- Name or ID of the Hetzner Cloud Floating IP you want to add the reverse DNS entry to.
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type: str
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primary_ip:
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description:
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- Name or ID of the Hetzner Cloud Primary IP you want to add the reverse DNS entry to.
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type: str
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load_balancer:
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description:
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- Name or ID of the Hetzner Cloud Load Balancer you want to add the reverse DNS entry to.
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type: str
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ip_address:
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description:
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- The IP address that should point to I(dns_ptr).
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type: str
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required: true
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dns_ptr:
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description:
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- The DNS address the I(ip_address) should resolve to.
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- Omit the param to reset the reverse DNS entry to the default value.
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type: str
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state:
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description:
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- State of the reverse DNS entry.
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default: present
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choices: [ absent, present ]
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type: str
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extends_documentation_fragment:
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- hetzner.hcloud.hcloud
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"""
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EXAMPLES = """
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- name: Create a reverse DNS entry for a server
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hetzner.hcloud.rdns:
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server: my-server
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ip_address: 123.123.123.123
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dns_ptr: example.com
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state: present
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- name: Create a reverse DNS entry for a Floating IP
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hetzner.hcloud.rdns:
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floating_ip: my-floating-ip
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ip_address: 123.123.123.123
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dns_ptr: example.com
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state: present
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- name: Create a reverse DNS entry for a Primary IP
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hetzner.hcloud.rdns:
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primary_ip: my-primary-ip
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ip_address: 123.123.123.123
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dns_ptr: example.com
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state: present
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- name: Create a reverse DNS entry for a Load Balancer
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hetzner.hcloud.rdns:
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load_balancer: my-load-balancer
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ip_address: 123.123.123.123
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dns_ptr: example.com
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state: present
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- name: Ensure the reverse DNS entry is absent (remove if needed)
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hetzner.hcloud.rdns:
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server: my-server
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ip_address: 123.123.123.123
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dns_ptr: example.com
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state: absent
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"""
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RETURN = """
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hcloud_rdns:
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description: The reverse DNS entry
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returned: always
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type: complex
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contains:
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server:
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description: Name of the server
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type: str
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returned: always
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sample: my-server
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floating_ip:
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description: Name of the Floating IP
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type: str
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returned: always
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sample: my-floating-ip
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primary_ip:
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description: Name of the Primary IP
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type: str
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returned: always
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sample: my-primary-ip
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load_balancer:
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description: Name of the Load Balancer
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type: str
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returned: always
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sample: my-load-balancer
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ip_address:
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description: The IP address that point to the DNS ptr
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type: str
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returned: always
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sample: 123.123.123.123
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dns_ptr:
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description: The DNS that resolves to the IP
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type: str
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returned: always
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sample: example.com
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"""
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import ipaddress
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from typing import Any
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from ansible.module_utils.basic import AnsibleModule
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from ..module_utils.hcloud import AnsibleHCloud
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from ..module_utils.vendor.hcloud import HCloudException
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from ..module_utils.vendor.hcloud.floating_ips import BoundFloatingIP
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from ..module_utils.vendor.hcloud.load_balancers import BoundLoadBalancer
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from ..module_utils.vendor.hcloud.primary_ips import BoundPrimaryIP
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from ..module_utils.vendor.hcloud.servers import BoundServer
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class AnsibleHCloudReverseDNS(AnsibleHCloud):
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represent = "hcloud_rdns"
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hcloud_resource: BoundServer | BoundFloatingIP | BoundLoadBalancer | BoundPrimaryIP | None = None
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hcloud_rdns: dict[str, Any] | None = None
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def _prepare_result(self):
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result = {
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"server": None,
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"floating_ip": None,
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"load_balancer": None,
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"ip_address": self.hcloud_rdns["ip_address"],
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"dns_ptr": self.hcloud_rdns["dns_ptr"],
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}
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if self.module.params.get("server"):
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result["server"] = self.hcloud_resource.name
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elif self.module.params.get("floating_ip"):
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result["floating_ip"] = self.hcloud_resource.name
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elif self.module.params.get("load_balancer"):
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result["load_balancer"] = self.hcloud_resource.name
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elif self.module.params.get("primary_ip"):
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result["primary_ip"] = self.hcloud_resource.name
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return result
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def _get_resource(self):
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try:
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if self.module.params.get("server"):
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self.hcloud_resource = self._client_get_by_name_or_id(
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"servers",
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self.module.params.get("server"),
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)
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elif self.module.params.get("floating_ip"):
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self.hcloud_resource = self._client_get_by_name_or_id(
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"floating_ips",
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self.module.params.get("floating_ip"),
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)
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elif self.module.params.get("primary_ip"):
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self.hcloud_resource = self._client_get_by_name_or_id(
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"primary_ips",
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self.module.params.get("primary_ip"),
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)
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elif self.module.params.get("load_balancer"):
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self.hcloud_resource = self._client_get_by_name_or_id(
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"load_balancers",
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self.module.params.get("load_balancer"),
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)
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except HCloudException as exception:
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self.fail_json_hcloud(exception)
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def _get_rdns(self):
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ip_address = self.module.params.get("ip_address")
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try:
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ip_address_obj = ipaddress.ip_address(ip_address)
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except ValueError:
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self.module.fail_json(msg=f"The given IP address is not valid: {ip_address}")
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if ip_address_obj.version == 4:
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if self.module.params.get("server"):
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if self.hcloud_resource.public_net.ipv4.ip == ip_address:
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self.hcloud_rdns = {
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"ip_address": self.hcloud_resource.public_net.ipv4.ip,
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"dns_ptr": self.hcloud_resource.public_net.ipv4.dns_ptr,
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}
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else:
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self.module.fail_json(msg="The selected server does not have this IP address")
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elif self.module.params.get("floating_ip"):
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if self.hcloud_resource.ip == ip_address:
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self.hcloud_rdns = {
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"ip_address": self.hcloud_resource.ip,
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"dns_ptr": self.hcloud_resource.dns_ptr[0]["dns_ptr"],
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}
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else:
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self.module.fail_json(msg="The selected Floating IP does not have this IP address")
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elif self.module.params.get("primary_ip"):
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if self.hcloud_resource.ip == ip_address:
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self.hcloud_rdns = {
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"ip_address": self.hcloud_resource.ip,
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"dns_ptr": self.hcloud_resource.dns_ptr[0]["dns_ptr"],
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}
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else:
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self.module.fail_json(msg="The selected Primary IP does not have this IP address")
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elif self.module.params.get("load_balancer"):
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if self.hcloud_resource.public_net.ipv4.ip == ip_address:
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self.hcloud_rdns = {
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"ip_address": self.hcloud_resource.public_net.ipv4.ip,
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"dns_ptr": self.hcloud_resource.public_net.ipv4.dns_ptr,
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}
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else:
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self.module.fail_json(msg="The selected Load Balancer does not have this IP address")
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elif ip_address_obj.version == 6:
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if self.module.params.get("server"):
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for ipv6_address_dns_ptr in self.hcloud_resource.public_net.ipv6.dns_ptr:
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if ipv6_address_dns_ptr["ip"] == ip_address:
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self.hcloud_rdns = {
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"ip_address": ipv6_address_dns_ptr["ip"],
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"dns_ptr": ipv6_address_dns_ptr["dns_ptr"],
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}
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elif self.module.params.get("floating_ip"):
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for ipv6_address_dns_ptr in self.hcloud_resource.dns_ptr:
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if ipv6_address_dns_ptr["ip"] == ip_address:
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self.hcloud_rdns = {
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"ip_address": ipv6_address_dns_ptr["ip"],
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"dns_ptr": ipv6_address_dns_ptr["dns_ptr"],
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}
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elif self.module.params.get("primary_ip"):
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for ipv6_address_dns_ptr in self.hcloud_resource.dns_ptr:
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if ipv6_address_dns_ptr["ip"] == ip_address:
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self.hcloud_rdns = {
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"ip_address": ipv6_address_dns_ptr["ip"],
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"dns_ptr": ipv6_address_dns_ptr["dns_ptr"],
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}
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elif self.module.params.get("load_balancer"):
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for ipv6_address_dns_ptr in self.hcloud_resource.public_net.ipv6.dns_ptr:
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if ipv6_address_dns_ptr["ip"] == ip_address:
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self.hcloud_rdns = {
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"ip_address": ipv6_address_dns_ptr["ip"],
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"dns_ptr": ipv6_address_dns_ptr["dns_ptr"],
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}
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def _create_rdns(self):
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self.module.fail_on_missing_params(required_params=["dns_ptr"])
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params = {
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"ip": self.module.params.get("ip_address"),
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"dns_ptr": self.module.params.get("dns_ptr"),
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}
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if not self.module.check_mode:
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try:
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self.hcloud_resource.change_dns_ptr(**params).wait_until_finished()
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except HCloudException as exception:
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self.fail_json_hcloud(exception)
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self._mark_as_changed()
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self._get_resource()
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self._get_rdns()
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def _update_rdns(self):
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dns_ptr = self.module.params.get("dns_ptr")
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if dns_ptr != self.hcloud_rdns["dns_ptr"]:
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params = {
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"ip": self.module.params.get("ip_address"),
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"dns_ptr": dns_ptr,
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}
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if not self.module.check_mode:
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try:
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self.hcloud_resource.change_dns_ptr(**params).wait_until_finished()
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except HCloudException as exception:
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self.fail_json_hcloud(exception)
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self._mark_as_changed()
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self._get_resource()
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self._get_rdns()
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def present_rdns(self):
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self._get_resource()
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self._get_rdns()
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if self.hcloud_rdns is None:
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self._create_rdns()
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else:
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self._update_rdns()
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def delete_rdns(self):
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self._get_resource()
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self._get_rdns()
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if self.hcloud_rdns is not None:
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if not self.module.check_mode:
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try:
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self.hcloud_resource.change_dns_ptr(ip=self.hcloud_rdns["ip_address"], dns_ptr=None)
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except HCloudException as exception:
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self.fail_json_hcloud(exception)
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self._mark_as_changed()
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self.hcloud_rdns = None
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@classmethod
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def define_module(cls):
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return AnsibleModule(
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argument_spec=dict(
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server={"type": "str"},
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floating_ip={"type": "str"},
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load_balancer={"type": "str"},
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primary_ip={"type": "str"},
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ip_address={"type": "str", "required": True},
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dns_ptr={"type": "str"},
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state={
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"choices": ["absent", "present"],
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"default": "present",
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},
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**super().base_module_arguments(),
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),
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required_one_of=[["server", "floating_ip", "load_balancer", "primary_ip"]],
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mutually_exclusive=[["server", "floating_ip", "load_balancer", "primary_ip"]],
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supports_check_mode=True,
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)
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def main():
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module = AnsibleHCloudReverseDNS.define_module()
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hcloud = AnsibleHCloudReverseDNS(module)
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state = module.params["state"]
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if state == "absent":
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hcloud.delete_rdns()
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elif state == "present":
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hcloud.present_rdns()
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module.exit_json(**hcloud.get_result())
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if __name__ == "__main__":
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main()
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