mirror of
https://github.com/ansible-collections/hetzner.hcloud
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fce8bc9bb9
##### SUMMARY Allow to compute the status of a load balancer using a filter. Closes #467 ##### ISSUE TYPE - Feature Pull Request ##### COMPONENT NAME hetzner.hcloud.loab_balancer_status
335 lines
12 KiB
Python
335 lines
12 KiB
Python
#!/usr/bin/python
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# Copyright: (c) 2020, 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: load_balancer
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short_description: Create and manage cloud Load Balancers on the Hetzner Cloud.
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description:
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- Create, update and manage cloud Load Balancers on the Hetzner Cloud.
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author:
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- Lukas Kaemmerling (@LKaemmerling)
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version_added: 0.1.0
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options:
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id:
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description:
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- The ID of the Hetzner Cloud Load Balancer to manage.
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- Only required if no Load Balancer I(name) is given
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type: int
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name:
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description:
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- The Name of the Hetzner Cloud Load Balancer to manage.
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- Only required if no Load Balancer I(id) is given or a Load Balancer does not exist.
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type: str
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load_balancer_type:
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description:
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- The Load Balancer Type of the Hetzner Cloud Load Balancer to manage.
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- Required if Load Balancer does not exist.
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type: str
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algorithm:
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description:
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- Algorithm of the Load Balancer.
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type: str
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default: round_robin
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choices: [round_robin, least_connections]
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location:
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description:
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- Location of Load Balancer.
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- Required if no I(network_zone) is given and Load Balancer does not exist.
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type: str
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network_zone:
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description:
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- Network Zone of Load Balancer.
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- Required of no I(location) is given and Load Balancer does not exist.
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type: str
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labels:
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description:
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- User-defined labels (key-value pairs).
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type: dict
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disable_public_interface:
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description:
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- Disables the public interface.
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type: bool
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default: False
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delete_protection:
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description:
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- Protect the Load Balancer for deletion.
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type: bool
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state:
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description:
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- State of the Load Balancer.
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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 basic Load Balancer
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hetzner.hcloud.load_balancer:
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name: my-Load Balancer
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load_balancer_type: lb11
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algorithm: round_robin
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location: fsn1
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state: present
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- name: Ensure the Load Balancer is absent (remove if needed)
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hetzner.hcloud.load_balancer:
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name: my-Load Balancer
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state: absent
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"""
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RETURN = """
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hcloud_load_balancer:
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description: The Load Balancer instance
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returned: Always
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type: complex
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contains:
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id:
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description: Numeric identifier of the Load Balancer
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returned: always
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type: int
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sample: 1937415
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name:
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description: Name of the Load Balancer
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returned: always
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type: str
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sample: my-Load-Balancer
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load_balancer_type:
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description: Name of the Load Balancer type of the Load Balancer
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returned: always
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type: str
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sample: cx22
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algorithm:
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description: Algorithm of the Load Balancer.
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returned: always
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type: str
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choices: [round_robin, least_connections]
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sample: round_robin
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ipv4_address:
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description: Public IPv4 address of the Load Balancer
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returned: always
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type: str
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sample: 116.203.104.109
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ipv6_address:
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description: Public IPv6 address of the Load Balancer
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returned: always
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type: str
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sample: 2a01:4f8:1c1c:c140::1
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location:
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description: Name of the location of the Load Balancer
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returned: always
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type: str
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sample: fsn1
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labels:
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description: User-defined labels (key-value pairs)
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returned: always
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type: dict
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delete_protection:
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description: True if Load Balancer is protected for deletion
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type: bool
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returned: always
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sample: false
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disable_public_interface:
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description: True if Load Balancer public interface is disabled
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type: bool
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returned: always
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sample: false
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"""
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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.load_balancers import (
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BoundLoadBalancer,
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LoadBalancerAlgorithm,
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)
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class AnsibleHCloudLoadBalancer(AnsibleHCloud):
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represent = "hcloud_load_balancer"
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hcloud_load_balancer: BoundLoadBalancer | None = None
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def _prepare_result(self):
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return {
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"id": str(self.hcloud_load_balancer.id),
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"name": self.hcloud_load_balancer.name,
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"ipv4_address": self.hcloud_load_balancer.public_net.ipv4.ip,
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"ipv6_address": self.hcloud_load_balancer.public_net.ipv6.ip,
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"private_ipv4_address": (
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self.hcloud_load_balancer.private_net[0].ip if len(self.hcloud_load_balancer.private_net) else None
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),
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"load_balancer_type": self.hcloud_load_balancer.load_balancer_type.name,
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"algorithm": self.hcloud_load_balancer.algorithm.type,
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"location": self.hcloud_load_balancer.location.name,
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"labels": self.hcloud_load_balancer.labels,
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"delete_protection": self.hcloud_load_balancer.protection["delete"],
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"disable_public_interface": not self.hcloud_load_balancer.public_net.enabled,
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}
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def _get_load_balancer(self):
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try:
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if self.module.params.get("id") is not None:
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self.hcloud_load_balancer = self.client.load_balancers.get_by_id(self.module.params.get("id"))
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else:
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self.hcloud_load_balancer = self.client.load_balancers.get_by_name(self.module.params.get("name"))
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except HCloudException as exception:
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self.fail_json_hcloud(exception)
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def _create_load_balancer(self):
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self.module.fail_on_missing_params(required_params=["name", "load_balancer_type"])
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try:
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params = {
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"name": self.module.params.get("name"),
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"algorithm": LoadBalancerAlgorithm(type=self.module.params.get("algorithm", "round_robin")),
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"load_balancer_type": self.client.load_balancer_types.get_by_name(
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self.module.params.get("load_balancer_type")
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),
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"labels": self.module.params.get("labels"),
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}
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if self.module.params.get("location") is None and self.module.params.get("network_zone") is None:
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self.module.fail_json(msg="one of the following is required: location, network_zone")
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elif self.module.params.get("location") is not None and self.module.params.get("network_zone") is None:
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params["location"] = self.client.locations.get_by_name(self.module.params.get("location"))
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elif self.module.params.get("location") is None and self.module.params.get("network_zone") is not None:
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params["network_zone"] = self.module.params.get("network_zone")
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if not self.module.check_mode:
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resp = self.client.load_balancers.create(**params)
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resp.action.wait_until_finished()
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delete_protection = self.module.params.get("delete_protection")
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if delete_protection is not None:
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self._get_load_balancer()
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action = self.hcloud_load_balancer.change_protection(delete=delete_protection)
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action.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_load_balancer()
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def _update_load_balancer(self):
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try:
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labels = self.module.params.get("labels")
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if labels is not None and labels != self.hcloud_load_balancer.labels:
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if not self.module.check_mode:
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self.hcloud_load_balancer.update(labels=labels)
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self._mark_as_changed()
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delete_protection = self.module.params.get("delete_protection")
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if delete_protection is not None and delete_protection != self.hcloud_load_balancer.protection["delete"]:
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if not self.module.check_mode:
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action = self.hcloud_load_balancer.change_protection(delete=delete_protection)
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action.wait_until_finished()
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self._mark_as_changed()
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self._get_load_balancer()
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disable_public_interface = self.module.params.get("disable_public_interface")
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if disable_public_interface is not None and disable_public_interface != (
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not self.hcloud_load_balancer.public_net.enabled
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):
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if not self.module.check_mode:
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if disable_public_interface is True:
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action = self.hcloud_load_balancer.disable_public_interface()
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action.wait_until_finished()
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else:
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action = self.hcloud_load_balancer.enable_public_interface()
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action.wait_until_finished()
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self._mark_as_changed()
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load_balancer_type = self.module.params.get("load_balancer_type")
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if (
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load_balancer_type is not None
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and self.hcloud_load_balancer.load_balancer_type.name != load_balancer_type
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):
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new_load_balancer_type = self.client.load_balancer_types.get_by_name(load_balancer_type)
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if not new_load_balancer_type:
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self.module.fail_json(msg="unknown load balancer type")
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if not self.module.check_mode:
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action = self.hcloud_load_balancer.change_type(
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load_balancer_type=new_load_balancer_type,
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)
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action.wait_until_finished()
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self._mark_as_changed()
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algorithm = self.module.params.get("algorithm")
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if algorithm is not None and self.hcloud_load_balancer.algorithm.type != algorithm:
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action = self.hcloud_load_balancer.change_algorithm(algorithm=LoadBalancerAlgorithm(type=algorithm))
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action.wait_until_finished()
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self._mark_as_changed()
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self._get_load_balancer()
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except HCloudException as exception:
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self.fail_json_hcloud(exception)
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def present_load_balancer(self):
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self._get_load_balancer()
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if self.hcloud_load_balancer is None:
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self._create_load_balancer()
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else:
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self._update_load_balancer()
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def delete_load_balancer(self):
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try:
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self._get_load_balancer()
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if self.hcloud_load_balancer is not None:
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if not self.module.check_mode:
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self.client.load_balancers.delete(self.hcloud_load_balancer)
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self._mark_as_changed()
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self.hcloud_load_balancer = None
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except HCloudException as exception:
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self.fail_json_hcloud(exception)
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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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id={"type": "int"},
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name={"type": "str"},
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load_balancer_type={"type": "str"},
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algorithm={"choices": ["round_robin", "least_connections"], "default": "round_robin"},
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location={"type": "str"},
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network_zone={"type": "str"},
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labels={"type": "dict"},
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delete_protection={"type": "bool"},
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disable_public_interface={"type": "bool", "default": False},
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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=[["id", "name"]],
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mutually_exclusive=[["location", "network_zone"]],
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supports_check_mode=True,
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)
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def main():
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module = AnsibleHCloudLoadBalancer.define_module()
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hcloud = AnsibleHCloudLoadBalancer(module)
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state = module.params.get("state")
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if state == "absent":
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hcloud.delete_load_balancer()
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elif state == "present":
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hcloud.present_load_balancer()
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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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