mirror of
https://github.com/ansible-collections/community.general.git
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6c809dd9db
* remove pacemaker wait arg and fix race condition * fix up pacemaker resource and stonith polling * add changelog for pacemaker timeout bug * remove env from test case and fix changelog file name * Update changelogs/fragments/11750-pacemaker-wait-race-condition.yml Co-authored-by: Felix Fontein <felix@fontein.de> --------- Co-authored-by: Felix Fontein <felix@fontein.de>
106 lines
3.7 KiB
Python
106 lines
3.7 KiB
Python
# Copyright (c) 2025, Dexter Le <dextersydney2001@gmail.com>
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# GNU General Public License v3.0+ (see LICENSES/GPL-3.0-or-later.txt or https://www.gnu.org/licenses/gpl-3.0.txt)
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# SPDX-License-Identifier: GPL-3.0-or-later
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from __future__ import annotations
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import re
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import time
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import typing as t
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from ansible_collections.community.general.plugins.module_utils.cmd_runner import CmdRunner, cmd_runner_fmt
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if t.TYPE_CHECKING:
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from ansible.module_utils.basic import AnsibleModule
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_state_map = {
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"present": "create",
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"absent": "remove",
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"cloned": "clone",
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"status": "status",
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"enabled": "enable",
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"disabled": "disable",
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"online": "start",
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"offline": "stop",
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"maintenance": "set",
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"config": "config",
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"cleanup": "cleanup",
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}
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def fmt_resource_type(value):
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return [
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":".join(
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value[k] for k in ["resource_standard", "resource_provider", "resource_name"] if value.get(k) is not None
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)
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]
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def fmt_resource_operation(value):
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cmd = []
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for op in value:
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cmd.append("op")
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cmd.append(op.get("operation_action"))
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for operation_option in op.get("operation_option"):
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cmd.append(operation_option)
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return cmd
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def fmt_resource_argument(value):
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return ["--group" if value["argument_action"] == "group" else value["argument_action"]] + value["argument_option"]
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def get_pacemaker_maintenance_mode(runner: CmdRunner) -> bool:
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with runner("cli_action config") as ctx:
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rc, out, err = ctx.run(cli_action="property")
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maint_mode_re = re.compile(r"maintenance-mode.*true", re.IGNORECASE)
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maintenance_mode_output = [line for line in out.splitlines() if maint_mode_re.search(line)]
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return bool(maintenance_mode_output)
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def wait_for_resource(runner: CmdRunner, cli_noun: str, name: str, wait: int, sleep_interval: int = 5) -> None:
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"""Poll ``pcs <cli_noun> status <name>`` until the resource reports Started or the wait budget expires.
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Raises an exception if the resource does not reach the Started state within *wait* seconds.
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"""
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deadline = time.monotonic() + wait
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while True:
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with runner("cli_action state name") as ctx:
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rc, out, err = ctx.run(cli_action=cli_noun, state="status")
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if out and "Started" in out:
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return
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if time.monotonic() >= deadline:
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raise Exception(f"Timed out waiting {wait}s for {cli_noun} resource '{name}' to start")
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time.sleep(sleep_interval)
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def pacemaker_runner(module: AnsibleModule, **kwargs) -> CmdRunner:
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runner_command = ["pcs"]
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runner = CmdRunner(
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module,
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command=runner_command,
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arg_formats=dict(
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cli_action=cmd_runner_fmt.as_list(),
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state=cmd_runner_fmt.as_map(_state_map),
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name=cmd_runner_fmt.as_list(),
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resource_type=cmd_runner_fmt.as_func(fmt_resource_type),
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resource_option=cmd_runner_fmt.as_list(),
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resource_operation=cmd_runner_fmt.as_func(fmt_resource_operation),
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resource_meta=cmd_runner_fmt.stack(cmd_runner_fmt.as_opt_val)("meta"),
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resource_argument=cmd_runner_fmt.as_func(fmt_resource_argument),
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resource_clone_ids=cmd_runner_fmt.as_list(),
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resource_clone_meta=cmd_runner_fmt.as_list(),
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apply_all=cmd_runner_fmt.as_bool("--all"),
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agent_validation=cmd_runner_fmt.as_bool("--agent-validation"),
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wait=cmd_runner_fmt.as_opt_eq_val("--wait"),
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config=cmd_runner_fmt.as_fixed("config"),
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force=cmd_runner_fmt.as_bool("--force"),
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version=cmd_runner_fmt.as_fixed("--version"),
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output_format=cmd_runner_fmt.as_opt_eq_val("--output-format"),
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),
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**kwargs,
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)
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return runner
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