ansible-collection-hetzner-.../plugins/modules/hcloud_volume.py
Jonas L 94190ae6cb
refactor: move module vars out of __init__ (#336)
##### SUMMARY

- move module vars out of `__init__`
- add modules type hints
- catch hcloud exception for api calls
2023-09-26 09:41:01 +02:00

331 lines
11 KiB
Python

#!/usr/bin/python
# 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)
DOCUMENTATION = """
---
module: hcloud_volume
short_description: Create and manage block Volume on the Hetzner Cloud.
description:
- Create, update and attach/detach block Volume on the Hetzner Cloud.
author:
- Christopher Schmitt (@cschmitt-hcloud)
options:
id:
description:
- The ID of the Hetzner Cloud Block Volume to manage.
- Only required if no volume I(name) is given
type: int
name:
description:
- The Name of the Hetzner Cloud Block Volume to manage.
- Only required if no volume I(id) is given or a volume does not exist.
type: str
size:
description:
- The size of the Block Volume in GB.
- Required if volume does not yet exists.
type: int
automount:
description:
- Automatically mount the Volume.
type: bool
default: False
format:
description:
- Automatically Format the volume on creation
- Can only be used in case the Volume does not exist.
type: str
choices: [xfs, ext4]
location:
description:
- Location of the Hetzner Cloud Volume.
- Required if no I(server) is given and Volume does not exist.
type: str
server:
description:
- Server Name the Volume should be assigned to.
- Required if no I(location) is given and Volume does not exist.
type: str
delete_protection:
description:
- Protect the Volume for deletion.
type: bool
labels:
description:
- User-defined key-value pairs.
type: dict
state:
description:
- State of the Volume.
default: present
choices: [absent, present]
type: str
extends_documentation_fragment:
- hetzner.hcloud.hcloud
"""
EXAMPLES = """
- name: Create a Volume
hetzner.hcloud.hcloud_volume:
name: my-volume
location: fsn1
size: 100
state: present
- name: Create a Volume and format it with ext4
hetzner.hcloud.hcloud_volume:
name: my-volume
location: fsn
format: ext4
size: 100
state: present
- name: Mount a existing Volume and automount
hetzner.hcloud.hcloud_volume:
name: my-volume
server: my-server
automount: true
state: present
- name: Mount a existing Volume and automount
hetzner.hcloud.hcloud_volume:
name: my-volume
server: my-server
automount: true
state: present
- name: Ensure the Volume is absent (remove if needed)
hetzner.hcloud.hcloud_volume:
name: my-volume
state: absent
"""
RETURN = """
hcloud_volume:
description: The block Volume
returned: Always
type: complex
contains:
id:
description: ID of the Volume
type: int
returned: Always
sample: 12345
name:
description: Name of the Volume
type: str
returned: Always
sample: my-volume
size:
description: Size in GB of the Volume
type: int
returned: Always
sample: 1337
linux_device:
description: Path to the device that contains the Volume.
returned: always
type: str
sample: /dev/disk/by-id/scsi-0HC_Volume_12345
version_added: "0.1.0"
location:
description: Location name where the Volume is located at
type: str
returned: Always
sample: "fsn1"
labels:
description: User-defined labels (key-value pairs)
type: dict
returned: Always
sample:
key: value
mylabel: 123
server:
description: Server name where the Volume is attached to
type: str
returned: Always
sample: "my-server"
delete_protection:
description: True if Volume is protected for deletion
type: bool
returned: always
sample: false
version_added: "0.1.0"
"""
from typing import Optional
from ansible.module_utils.basic import AnsibleModule
from ansible.module_utils.common.text.converters import to_native
from ..module_utils.hcloud import AnsibleHCloud
from ..module_utils.vendor.hcloud import HCloudException
from ..module_utils.vendor.hcloud.volumes import BoundVolume
class AnsibleHCloudVolume(AnsibleHCloud):
represent = "hcloud_volume"
hcloud_volume: Optional[BoundVolume] = None
def _prepare_result(self):
server_name = None
if self.hcloud_volume.server is not None:
server_name = to_native(self.hcloud_volume.server.name)
return {
"id": to_native(self.hcloud_volume.id),
"name": to_native(self.hcloud_volume.name),
"size": self.hcloud_volume.size,
"location": to_native(self.hcloud_volume.location.name),
"labels": self.hcloud_volume.labels,
"server": server_name,
"linux_device": to_native(self.hcloud_volume.linux_device),
"delete_protection": self.hcloud_volume.protection["delete"],
}
def _get_volume(self):
try:
if self.module.params.get("id") is not None:
self.hcloud_volume = self.client.volumes.get_by_id(self.module.params.get("id"))
else:
self.hcloud_volume = self.client.volumes.get_by_name(self.module.params.get("name"))
except HCloudException as exception:
self.fail_json_hcloud(exception)
def _create_volume(self):
self.module.fail_on_missing_params(required_params=["name", "size"])
params = {
"name": self.module.params.get("name"),
"size": self.module.params.get("size"),
"automount": self.module.params.get("automount"),
"format": self.module.params.get("format"),
"labels": self.module.params.get("labels"),
}
if self.module.params.get("server") is not None:
params["server"] = self.client.servers.get_by_name(self.module.params.get("server"))
elif self.module.params.get("location") is not None:
params["location"] = self.client.locations.get_by_name(self.module.params.get("location"))
else:
self.module.fail_json(msg="server or location is required")
if not self.module.check_mode:
try:
resp = self.client.volumes.create(**params)
resp.action.wait_until_finished()
[action.wait_until_finished() for action in resp.next_actions]
delete_protection = self.module.params.get("delete_protection")
if delete_protection is not None:
self._get_volume()
self.hcloud_volume.change_protection(delete=delete_protection).wait_until_finished()
except HCloudException as exception:
self.fail_json_hcloud(exception)
self._mark_as_changed()
self._get_volume()
def _update_volume(self):
try:
size = self.module.params.get("size")
if size:
if self.hcloud_volume.size < size:
if not self.module.check_mode:
self.hcloud_volume.resize(size).wait_until_finished()
self._mark_as_changed()
elif self.hcloud_volume.size > size:
self.module.warn("Shrinking of volumes is not supported")
server_name = self.module.params.get("server")
if server_name:
server = self.client.servers.get_by_name(server_name)
if self.hcloud_volume.server is None or self.hcloud_volume.server.name != server.name:
if not self.module.check_mode:
automount = self.module.params.get("automount", False)
self.hcloud_volume.attach(server, automount=automount).wait_until_finished()
self._mark_as_changed()
else:
if self.hcloud_volume.server is not None:
if not self.module.check_mode:
self.hcloud_volume.detach().wait_until_finished()
self._mark_as_changed()
labels = self.module.params.get("labels")
if labels is not None and labels != self.hcloud_volume.labels:
if not self.module.check_mode:
self.hcloud_volume.update(labels=labels)
self._mark_as_changed()
delete_protection = self.module.params.get("delete_protection")
if delete_protection is not None and delete_protection != self.hcloud_volume.protection["delete"]:
if not self.module.check_mode:
self.hcloud_volume.change_protection(delete=delete_protection).wait_until_finished()
self._mark_as_changed()
self._get_volume()
except HCloudException as exception:
self.fail_json_hcloud(exception)
def present_volume(self):
self._get_volume()
if self.hcloud_volume is None:
self._create_volume()
else:
self._update_volume()
def delete_volume(self):
try:
self._get_volume()
if self.hcloud_volume is not None:
if not self.module.check_mode:
if self.hcloud_volume.server is not None:
self.hcloud_volume.detach().wait_until_finished()
self.client.volumes.delete(self.hcloud_volume)
self._mark_as_changed()
self.hcloud_volume = None
except HCloudException as exception:
self.fail_json_hcloud(exception)
@classmethod
def define_module(cls):
return AnsibleModule(
argument_spec=dict(
id={"type": "int"},
name={"type": "str"},
size={"type": "int"},
location={"type": "str"},
server={"type": "str"},
labels={"type": "dict"},
automount={"type": "bool", "default": False},
format={"type": "str", "choices": ["xfs", "ext4"]},
delete_protection={"type": "bool"},
state={
"choices": ["absent", "present"],
"default": "present",
},
**super().base_module_arguments()
),
required_one_of=[["id", "name"]],
mutually_exclusive=[["location", "server"]],
supports_check_mode=True,
)
def main():
module = AnsibleHCloudVolume.define_module()
hcloud = AnsibleHCloudVolume(module)
state = module.params.get("state")
if state == "absent":
module.fail_on_missing_params(required_params=["name"])
hcloud.delete_volume()
else:
hcloud.present_volume()
module.exit_json(**hcloud.get_result())
if __name__ == "__main__":
main()