ansible-collection-hetzner-.../plugins/module_utils/hcloud.py
Jonas L. c665629f7e
refactor: reuse exponential_backoff_function from hcloud-python (#535)
Replace the local function with the exponential_backoff_function from
hcloud-python
2024-07-25 16:20:23 +02:00

156 lines
5 KiB
Python

# Copyright: (c) 2019, Hetzner Cloud GmbH <info@hetzner-cloud.de>
# Simplified BSD License (see licenses/simplified_bsd.txt or https://opensource.org/licenses/BSD-2-Clause)
from __future__ import annotations
import traceback
from typing import Any, NoReturn
from ansible.module_utils.basic import AnsibleModule as AnsibleModuleBase, env_fallback
from ansible.module_utils.common.text.converters import to_native
from ansible.module_utils.common.validation import (
check_missing_parameters,
check_required_one_of,
)
from .client import ClientException, client_check_required_lib, client_get_by_name_or_id
from .vendor.hcloud import (
APIException,
Client,
HCloudException,
exponential_backoff_function,
)
from .vendor.hcloud.actions import ActionException
from .version import version
# Provide typing definitions to the AnsibleModule class
class AnsibleModule(AnsibleModuleBase):
params: dict
class AnsibleHCloud:
represent: str
module: AnsibleModule
def __init__(self, module: AnsibleModule):
if not self.represent:
raise NotImplementedError(f"represent property is not defined for {self.__class__.__name__}")
self.module = module
self.result = {"changed": False, self.represent: None}
try:
client_check_required_lib()
except ClientException as exception:
module.fail_json(msg=to_native(exception))
self._build_client()
def fail_json_hcloud(
self,
exception: HCloudException,
msg: str | None = None,
params: Any = None,
**kwargs,
) -> NoReturn:
last_traceback = traceback.format_exc()
failure = {}
if params is not None:
failure["params"] = params
if isinstance(exception, APIException):
failure["message"] = exception.message
failure["code"] = exception.code
failure["details"] = exception.details
elif isinstance(exception, ActionException):
failure["action"] = {k: getattr(exception.action, k) for k in exception.action.__slots__}
exception_message = to_native(exception)
if msg is not None:
msg = f"{exception_message}: {msg}"
else:
msg = exception_message
self.module.fail_json(msg=msg, exception=last_traceback, failure=failure, **kwargs)
def _build_client(self) -> None:
self.client = Client(
token=self.module.params["api_token"],
api_endpoint=self.module.params["api_endpoint"],
application_name="ansible-module",
application_version=version,
# Total waiting time before timeout is > 117.0
poll_interval=exponential_backoff_function(base=1.0, multiplier=2, cap=5.0),
poll_max_retries=25,
)
def _client_get_by_name_or_id(self, resource: str, param: str | int):
"""
Get a resource by name, and if not found by its ID.
:param resource: Name of the resource client that implements both `get_by_name` and `get_by_id` methods
:param param: Name or ID of the resource to query
"""
try:
return client_get_by_name_or_id(self.client, resource, param)
except ClientException as exception:
self.module.fail_json(msg=to_native(exception))
def _mark_as_changed(self) -> None:
self.result["changed"] = True
def fail_on_invalid_params(
self,
*,
required: list[str] | None = None,
required_one_of: list[list[str]] | None = None,
) -> None:
"""
Run additional validation that cannot be done in the argument spec validation.
:param required_params: Check that terms exists in the module params.
:param required_one_of: Check each list of terms to ensure at least one exists in the module parameters.
"""
try:
if required:
check_missing_parameters(self.module.params, required)
if required_one_of:
params_without_nones = {k: v for k, v in self.module.params.items() if v is not None}
check_required_one_of(required_one_of, params_without_nones)
except TypeError as e:
self.module.fail_json(msg=to_native(e))
@classmethod
def base_module_arguments(cls):
return {
"api_token": {
"type": "str",
"required": True,
"fallback": (env_fallback, ["HCLOUD_TOKEN"]),
"no_log": True,
},
"api_endpoint": {
"type": "str",
"fallback": (env_fallback, ["HCLOUD_ENDPOINT"]),
"default": "https://api.hetzner.cloud/v1",
"aliases": ["endpoint"],
},
}
def _prepare_result(self) -> dict[str, Any]:
"""Prepare the result for every module"""
return {}
def get_result(self) -> dict[str, Any]:
if getattr(self, self.represent) is not None:
self.result[self.represent] = self._prepare_result()
return self.result