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#!/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
ANSIBLE_METADATA = {
"metadata_version": "1.1",
"status": ["preview"],
"supported_by": "community",
}
DOCUMENTATION = '''
---
module: hcloud_server
short_description: Create and manage cloud servers on the Hetzner Cloud.
description:
- Create, update and manage cloud servers on the Hetzner Cloud.
author:
- Lukas Kaemmerling (@LKaemmerling)
options:
id:
description:
- The ID of the Hetzner Cloud server to manage.
- Only required if no server I(name) is given
type: int
name:
description:
- The Name of the Hetzner Cloud server to manage.
- Only required if no server I(id) is given or a server does not exists.
type: str
server_type:
description:
- The Server Type of the Hetzner Cloud server to manage.
- Required if server does not exists.
type: str
ssh_keys:
description:
- List of SSH key names
- The key names correspond to the SSH keys configured for your
Hetzner Cloud account access.
type: list
volumes:
description:
- List of Volumes IDs that should be attached to the server on server creation.
type: list
image:
description:
- Image the server should be created from.
- Required if server does not exists.
type: str
location:
description:
- Location of Server.
- Required if no I(datacenter) is given and server does not exists.
type: str
datacenter:
description:
- Datacenter of Server.
- Required of no I(location) is given and server does not exists.
type: str
backups:
description:
- Enable or disable Backups for the given Server.
type: bool
default: no
upgrade_disk:
description:
- Resize the disk size, when resizing a server.
- If you want to downgrade the server later, this value should be False.
type: bool
default: no
force_upgrade:
description:
- Force the upgrade of the server.
- Power off the server if it is running on upgrade.
type: bool
default: no
user_data:
description:
- User Data to be passed to the server on creation.
- Only used if server does not exists.
type: str
rescue_mode:
description:
- Add the Hetzner rescue system type you want the server to be booted into.
type: str
labels:
description:
- User-defined labels (key-value pairs).
type: dict
delete_protection:
description:
- Protect the Server for deletion.
- Needs to be the same as I(rebuild_protection).
type: bool
rebuild_protection:
description:
- Protect the Server for rebuild.
- Needs to be the same as I(delete_protection).
type: bool
state:
description:
- State of the server.
default: present
choices: [ absent, present, restarted, started, stopped, rebuild ]
type: str
extends_documentation_fragment:
- hetzner.hcloud.hcloud
'''
EXAMPLES = """
- name: Create a basic server
hcloud_server:
name: my-server
server_type: cx11
image: ubuntu-18.04
state: present
- name: Create a basic server with ssh key
hcloud_server:
name: my-server
server_type: cx11
image: ubuntu-18.04
location: fsn1
ssh_keys:
- me@myorganisation
state: present
- name: Resize an existing server
hcloud_server:
name: my-server
server_type: cx21
upgrade_disk: yes
state: present
- name: Ensure the server is absent (remove if needed)
hcloud_server:
name: my-server
state: absent
- name: Ensure the server is started
hcloud_server:
name: my-server
state: started
- name: Ensure the server is stopped
hcloud_server:
name: my-server
state: stopped
- name: Ensure the server is restarted
hcloud_server:
name: my-server
state: restarted
- name: Ensure the server is will be booted in rescue mode and therefore restarted
hcloud_server:
name: my-server
rescue_mode: linux64
state: restarted
- name: Ensure the server is rebuild
hcloud_server:
name: my-server
image: ubuntu-18.04
state: rebuild
"""
RETURN = """
hcloud_server:
description: The server instance
returned: Always
type: complex
contains:
id:
description: Numeric identifier of the server
returned: always
type: int
sample: 1937415
name:
description: Name of the server
returned: always
type: str
sample: my-server
status:
description: Status of the server
returned: always
type: str
sample: running
server_type:
description: Name of the server type of the server
returned: always
type: str
sample: cx11
ipv4_address:
description: Public IPv4 address of the server
returned: always
type: str
sample: 116.203.104.109
ipv6:
description: IPv6 network of the server
returned: always
type: str
sample: 2a01:4f8:1c1c:c140::/64
location:
description: Name of the location of the server
returned: always
type: str
sample: fsn1
datacenter:
description: Name of the datacenter of the server
returned: always
type: str
sample: fsn1-dc14
rescue_enabled:
description: True if rescue mode is enabled, Server will then boot into rescue system on next reboot
returned: always
type: bool
sample: false
backup_window:
description: Time window (UTC) in which the backup will run, or null if the backups are not enabled
returned: always
type: bool
sample: 22-02
labels:
description: User-defined labels (key-value pairs)
returned: always
type: dict
delete_protection:
description: True if server is protected for deletion
type: bool
returned: always
sample: false
version_added: "2.10"
rebuild_protection:
description: True if server is protected for rebuild
type: bool
returned: always
sample: false
version_added: "2.10"
"""
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
try:
from hcloud.volumes.domain import Volume
from hcloud.ssh_keys.domain import SSHKey
from hcloud.servers.domain import Server
from hcloud import APIException
except ImportError:
pass
class AnsibleHcloudServer(Hcloud):
def __init__(self, module):
Hcloud.__init__(self, module, "hcloud_server")
self.hcloud_server = None
def _prepare_result(self):
image = None if self.hcloud_server.image is None else to_native(self.hcloud_server.image.name)
return {
"id": to_native(self.hcloud_server.id),
"name": to_native(self.hcloud_server.name),
"ipv4_address": to_native(self.hcloud_server.public_net.ipv4.ip),
"ipv6": to_native(self.hcloud_server.public_net.ipv6.ip),
"image": image,
"server_type": to_native(self.hcloud_server.server_type.name),
"datacenter": to_native(self.hcloud_server.datacenter.name),
"location": to_native(self.hcloud_server.datacenter.location.name),
"rescue_enabled": self.hcloud_server.rescue_enabled,
"backup_window": to_native(self.hcloud_server.backup_window),
"labels": self.hcloud_server.labels,
"delete_protection": self.hcloud_server.protection["delete"],
"rebuild_protection": self.hcloud_server.protection["rebuild"],
"status": to_native(self.hcloud_server.status),
}
def _get_server(self):
try:
if self.module.params.get("id") is not None:
self.hcloud_server = self.client.servers.get_by_id(
self.module.params.get("id")
)
else:
self.hcloud_server = self.client.servers.get_by_name(
self.module.params.get("name")
)
except APIException as e:
self.module.fail_json(msg=e.message)
def _create_server(self):
self.module.fail_on_missing_params(
required_params=["name", "server_type", "image"]
)
params = {
"name": self.module.params.get("name"),
"server_type": self.client.server_types.get_by_name(
self.module.params.get("server_type")
),
"user_data": self.module.params.get("user_data"),
"labels": self.module.params.get("labels"),
}
if self.client.images.get_by_name(self.module.params.get("image")) is not None:
# When image name is not available look for id instead
params["image"] = self.client.images.get_by_name(self.module.params.get("image"))
else:
params["image"] = self.client.images.get_by_id(self.module.params.get("image"))
if self.module.params.get("ssh_keys") is not None:
params["ssh_keys"] = [
SSHKey(name=ssh_key_name)
for ssh_key_name in self.module.params.get("ssh_keys")
]
if self.module.params.get("volumes") is not None:
params["volumes"] = [
Volume(id=volume_id) for volume_id in self.module.params.get("volumes")
]
if self.module.params.get("location") is None and self.module.params.get("datacenter") is None:
# When not given, the API will choose the location.
params["location"] = None
params["datacenter"] = None
elif self.module.params.get("location") is not None and self.module.params.get("datacenter") is None:
params["location"] = self.client.locations.get_by_name(
self.module.params.get("location")
)
elif self.module.params.get("location") is None and self.module.params.get("datacenter") is not None:
params["datacenter"] = self.client.datacenters.get_by_name(
self.module.params.get("datacenter")
)
if not self.module.check_mode:
resp = self.client.servers.create(**params)
self.result["root_password"] = resp.root_password
resp.action.wait_until_finished(max_retries=1000)
[action.wait_until_finished() for action in resp.next_actions]
rescue_mode = self.module.params.get("rescue_mode")
if rescue_mode:
self._get_server()
self._set_rescue_mode(rescue_mode)
self._mark_as_changed()
self._get_server()
def _update_server(self):
try:
rescue_mode = self.module.params.get("rescue_mode")
if rescue_mode and self.hcloud_server.rescue_enabled is False:
if not self.module.check_mode:
self._set_rescue_mode(rescue_mode)
self._mark_as_changed()
elif not rescue_mode and self.hcloud_server.rescue_enabled is True:
if not self.module.check_mode:
self.hcloud_server.disable_rescue().wait_until_finished()
self._mark_as_changed()
if self.module.params.get("backups") and self.hcloud_server.backup_window is None:
if not self.module.check_mode:
self.hcloud_server.enable_backup().wait_until_finished()
self._mark_as_changed()
elif not self.module.params.get("backups") and self.hcloud_server.backup_window is not None:
if not self.module.check_mode:
self.hcloud_server.disable_backup().wait_until_finished()
self._mark_as_changed()
labels = self.module.params.get("labels")
if labels is not None and labels != self.hcloud_server.labels:
if not self.module.check_mode:
self.hcloud_server.update(labels=labels)
self._mark_as_changed()
server_type = self.module.params.get("server_type")
if server_type is not None and self.hcloud_server.server_type.name != server_type:
previous_server_status = self.hcloud_server.status
state = self.module.params.get("state")
if previous_server_status == Server.STATUS_RUNNING:
if not self.module.check_mode:
if self.module.params.get("force_upgrade") or state == "stopped":
self.stop_server() # Only stopped server can be upgraded
else:
self.module.warn(
"You can not upgrade a running instance %s. You need to stop the instance or use force_upgrade=yes."
% self.hcloud_server.name
)
timeout = 100
if self.module.params.get("upgrade_disk"):
timeout = (
1000
) # When we upgrade the disk too the resize progress takes some more time.
if not self.module.check_mode:
self.hcloud_server.change_type(
server_type=self.client.server_types.get_by_name(server_type),
upgrade_disk=self.module.params.get("upgrade_disk"),
).wait_until_finished(timeout)
if state == "present" and previous_server_status == Server.STATUS_RUNNING or state == "started":
self.start_server()
self._mark_as_changed()
delete_protection = self.module.params.get("delete_protection")
rebuild_protection = self.module.params.get("rebuild_protection")
if (delete_protection is not None and rebuild_protection is not None) and (
delete_protection != self.hcloud_server.protection["delete"] or rebuild_protection !=
self.hcloud_server.protection["rebuild"]):
if not self.module.check_mode:
self.hcloud_server.change_protection(delete=delete_protection,
rebuild=rebuild_protection).wait_until_finished()
self._mark_as_changed()
self._get_server()
except APIException as e:
self.module.fail_json(msg=e.message)
def _set_rescue_mode(self, rescue_mode):
if self.module.params.get("ssh_keys"):
resp = self.hcloud_server.enable_rescue(type=rescue_mode,
ssh_keys=[self.client.ssh_keys.get_by_name(ssh_key_name).id
for
ssh_key_name in
self.module.params.get("ssh_keys")])
else:
resp = self.hcloud_server.enable_rescue(type=rescue_mode)
resp.action.wait_until_finished()
self.result["root_password"] = resp.root_password
def start_server(self):
try:
if self.hcloud_server.status != Server.STATUS_RUNNING:
if not self.module.check_mode:
self.client.servers.power_on(self.hcloud_server).wait_until_finished()
self._mark_as_changed()
self._get_server()
except APIException as e:
self.module.fail_json(msg=e.message)
def stop_server(self):
try:
if self.hcloud_server.status != Server.STATUS_OFF:
if not self.module.check_mode:
self.client.servers.power_off(self.hcloud_server).wait_until_finished()
self._mark_as_changed()
self._get_server()
except APIException as e:
self.module.fail_json(msg=e.message)
def rebuild_server(self):
self.module.fail_on_missing_params(
required_params=["image"]
)
try:
if not self.module.check_mode:
self.client.servers.rebuild(self.hcloud_server, self.client.images.get_by_name(
self.module.params.get("image"))).wait_until_finished()
self._mark_as_changed()
self._get_server()
except APIException as e:
self.module.fail_json(msg=e.message)
def present_server(self):
self._get_server()
if self.hcloud_server is None:
self._create_server()
else:
self._update_server()
def delete_server(self):
try:
self._get_server()
if self.hcloud_server is not None:
if not self.module.check_mode:
self.client.servers.delete(self.hcloud_server).wait_until_finished()
self._mark_as_changed()
self.hcloud_server = None
except APIException as e:
self.module.fail_json(msg=e.message)
@staticmethod
def define_module():
return AnsibleModule(
argument_spec=dict(
id={"type": "int"},
name={"type": "str"},
image={"type": "str"},
server_type={"type": "str"},
location={"type": "str"},
datacenter={"type": "str"},
user_data={"type": "str"},
ssh_keys={"type": "list"},
volumes={"type": "list"},
labels={"type": "dict"},
backups={"type": "bool", "default": False},
upgrade_disk={"type": "bool", "default": False},
force_upgrade={"type": "bool", "default": False},
rescue_mode={"type": "str"},
delete_protection={"type": "bool"},
rebuild_protection={"type": "bool"},
state={
"choices": ["absent", "present", "restarted", "started", "stopped", "rebuild"],
"default": "present",
},
**Hcloud.base_module_arguments()
),
required_one_of=[['id', 'name']],
mutually_exclusive=[["location", "datacenter"]],
required_together=[["delete_protection", "rebuild_protection"]],
supports_check_mode=True,
)
def main():
module = AnsibleHcloudServer.define_module()
hcloud = AnsibleHcloudServer(module)
state = module.params.get("state")
if state == "absent":
hcloud.delete_server()
elif state == "present":
hcloud.present_server()
elif state == "started":
hcloud.present_server()
hcloud.start_server()
elif state == "stopped":
hcloud.present_server()
hcloud.stop_server()
elif state == "restarted":
hcloud.present_server()
hcloud.stop_server()
hcloud.start_server()
elif state == "rebuild":
hcloud.present_server()
hcloud.rebuild_server()
module.exit_json(**hcloud.get_result())
if __name__ == "__main__":
main()