tripleo-validations/library/pacemaker.py
Jiri Podivin 0dad256003 Use and ownership info for the pacemaker module
Signed-off-by: Jiri Podivin <jpodivin@redhat.com>
Change-Id: I05074d04218c8664b9aff79e18caaad6bae04704
2021-06-03 13:30:38 +00:00

89 lines
2.5 KiB
Python

# -*- coding: utf-8 -*-
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
# implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""pacemaker module
Used by the pacemaker_status validation.
"""
from ansible.module_utils.basic import AnsibleModule
from xml.etree import ElementTree
from yaml import safe_load as yaml_safe_load
DOCUMENTATION = '''
---
module: pacemaker
short_description: Return status from a pacemaker status XML
description:
- Return status from a pacemaker status XML
- Used by the pacemaker_status validation.
- Owned by the DF PIDONE
options:
status:
required: true
description:
- pacemaker status XML
type: str
author: "Tomas Sedovic"
'''
EXAMPLES = '''
- hosts: webservers
tasks:
- name: Get pacemaker status
become: true
command: pcs status xml
register: pcs_status
- name: Check pacemaker status
pacemaker: status="{{ pcs_status.stdout }}"
'''
def parse_pcs_status(pcs_status_xml):
root = ElementTree.fromstring(pcs_status_xml)
result = {
'failures': root.findall('failures/failure'),
}
return result
def format_failure(failure):
return ("Task {task} {op_key} failed on node {node}. Exit reason: "
"'{exitreason}'. Exit status: '{exitstatus}'."
.format(task=failure.get('task'),
op_key=failure.get('op_key'),
node=failure.get('node'),
exitreason=failure.get('exitreason'),
exitstatus=failure.get('exitstatus')))
def main():
module = AnsibleModule(
argument_spec=yaml_safe_load(DOCUMENTATION)['options']
)
pcs_status = parse_pcs_status(module.params.get('status'))
failures = pcs_status['failures']
failed = len(failures) > 0
if failed:
msg = "The pacemaker status contains some failed actions:\n" +\
'\n'.join((format_failure(failure) for failure in failures))
else:
msg = "The pacemaker status reports no errors."
module.exit_json(
failed=failed,
msg=msg,
)
if __name__ == '__main__':
main()