|
|
|
@ -1,24 +1,23 @@
|
|
|
|
|
#!/usr/bin/python
|
|
|
|
|
#coding: utf-8 -*-
|
|
|
|
|
# -*- coding: utf-8 -*-
|
|
|
|
|
|
|
|
|
|
# (c) 2016, Mathieu Bultel <mbultel@redhat.com>
|
|
|
|
|
# Copyright: (c) 2016, Mathieu Bultel <mbultel@redhat.com>
|
|
|
|
|
# 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: pacemaker_cluster
|
|
|
|
|
short_description: Manage a pacemaker cluster
|
|
|
|
|
short_description: Manage pacemaker clusters
|
|
|
|
|
version_added: "2.3"
|
|
|
|
|
author: "Mathieu Bultel (matbu)"
|
|
|
|
|
author:
|
|
|
|
|
- Mathieu Bultel (@matbu)
|
|
|
|
|
description:
|
|
|
|
|
- This module can manage a pacemaker cluster and nodes from Ansible using
|
|
|
|
|
the pacemaker cli.
|
|
|
|
@ -26,26 +25,21 @@ options:
|
|
|
|
|
state:
|
|
|
|
|
description:
|
|
|
|
|
- Indicate desired state of the cluster
|
|
|
|
|
choices: ['online', 'offline', 'restart', 'cleanup']
|
|
|
|
|
required: true
|
|
|
|
|
choices: [ cleanup, offline, online, restart ]
|
|
|
|
|
required: yes
|
|
|
|
|
node:
|
|
|
|
|
description:
|
|
|
|
|
- Specify which node of the cluster you want to manage. None == the
|
|
|
|
|
cluster status itself, 'all' == check the status of all nodes.
|
|
|
|
|
required: false
|
|
|
|
|
default: None
|
|
|
|
|
timeout:
|
|
|
|
|
description:
|
|
|
|
|
- Timeout when the module should considered that the action has failed
|
|
|
|
|
required: false
|
|
|
|
|
default: 300
|
|
|
|
|
force:
|
|
|
|
|
description:
|
|
|
|
|
- Force the change of the cluster state
|
|
|
|
|
required: false
|
|
|
|
|
default: true
|
|
|
|
|
requirements:
|
|
|
|
|
- "python >= 2.6"
|
|
|
|
|
type: bool
|
|
|
|
|
default: 'yes'
|
|
|
|
|
'''
|
|
|
|
|
EXAMPLES = '''
|
|
|
|
|
---
|
|
|
|
@ -53,8 +47,9 @@ EXAMPLES = '''
|
|
|
|
|
hosts: localhost
|
|
|
|
|
gather_facts: no
|
|
|
|
|
tasks:
|
|
|
|
|
- name: get cluster state
|
|
|
|
|
pacemaker_cluster: state=online
|
|
|
|
|
- name: Get cluster state
|
|
|
|
|
pacemaker_cluster:
|
|
|
|
|
state: online
|
|
|
|
|
'''
|
|
|
|
|
|
|
|
|
|
RETURN = '''
|
|
|
|
@ -79,7 +74,7 @@ import time
|
|
|
|
|
from ansible.module_utils.basic import AnsibleModule
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
_PCS_CLUSTER_DOWN="Error: cluster is not currently running on this node"
|
|
|
|
|
_PCS_CLUSTER_DOWN = "Error: cluster is not currently running on this node"
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
def get_cluster_status(module):
|
|
|
|
@ -90,6 +85,7 @@ def get_cluster_status(module):
|
|
|
|
|
else:
|
|
|
|
|
return 'online'
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
def get_node_status(module, node='all'):
|
|
|
|
|
if node == 'all':
|
|
|
|
|
cmd = "pcs cluster pcsd-status %s" % node
|
|
|
|
@ -103,12 +99,14 @@ def get_node_status(module, node='all'):
|
|
|
|
|
status.append(o.split(':'))
|
|
|
|
|
return status
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
def clean_cluster(module, timeout):
|
|
|
|
|
cmd = "pcs resource cleanup"
|
|
|
|
|
rc, out, err = module.run_command(cmd)
|
|
|
|
|
if rc is 1:
|
|
|
|
|
module.fail_json(msg="Command execution failed.\nCommand: `%s`\nError: %s" % (cmd, err))
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
def set_cluster(module, state, timeout, force):
|
|
|
|
|
if state == 'online':
|
|
|
|
|
cmd = "pcs cluster start"
|
|
|
|
@ -122,7 +120,7 @@ def set_cluster(module, state, timeout, force):
|
|
|
|
|
|
|
|
|
|
t = time.time()
|
|
|
|
|
ready = False
|
|
|
|
|
while time.time() < t+timeout:
|
|
|
|
|
while time.time() < t + timeout:
|
|
|
|
|
cluster_state = get_cluster_status(module)
|
|
|
|
|
if cluster_state == state:
|
|
|
|
|
ready = True
|
|
|
|
@ -130,6 +128,7 @@ def set_cluster(module, state, timeout, force):
|
|
|
|
|
if not ready:
|
|
|
|
|
module.fail_json(msg="Failed to set the state `%s` on the cluster\n" % (state))
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
def set_node(module, state, timeout, force, node='all'):
|
|
|
|
|
# map states
|
|
|
|
|
if state == 'online':
|
|
|
|
@ -149,7 +148,7 @@ def set_node(module, state, timeout, force, node='all'):
|
|
|
|
|
|
|
|
|
|
t = time.time()
|
|
|
|
|
ready = False
|
|
|
|
|
while time.time() < t+timeout:
|
|
|
|
|
while time.time() < t + timeout:
|
|
|
|
|
nodes_state = get_node_status(module)
|
|
|
|
|
for node in nodes_state:
|
|
|
|
|
if node[1].strip().lower() == state:
|
|
|
|
@ -158,15 +157,17 @@ def set_node(module, state, timeout, force, node='all'):
|
|
|
|
|
if not ready:
|
|
|
|
|
module.fail_json(msg="Failed to set the state `%s` on the cluster\n" % (state))
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
def main():
|
|
|
|
|
argument_spec = dict(
|
|
|
|
|
state = dict(choices=['online', 'offline', 'restart', 'cleanup']),
|
|
|
|
|
node = dict(default=None),
|
|
|
|
|
timeout=dict(default=300, type='int'),
|
|
|
|
|
force=dict(default=True, type='bool'),
|
|
|
|
|
state=dict(type='str', choices=['online', 'offline', 'restart', 'cleanup']),
|
|
|
|
|
node=dict(type='str'),
|
|
|
|
|
timeout=dict(type='int', default=300),
|
|
|
|
|
force=dict(type='bool', default=True),
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
module = AnsibleModule(argument_spec,
|
|
|
|
|
module = AnsibleModule(
|
|
|
|
|
argument_spec,
|
|
|
|
|
supports_check_mode=True,
|
|
|
|
|
)
|
|
|
|
|
changed = False
|
|
|
|
@ -180,14 +181,12 @@ def main():
|
|
|
|
|
if node is None:
|
|
|
|
|
cluster_state = get_cluster_status(module)
|
|
|
|
|
if cluster_state == state:
|
|
|
|
|
module.exit_json(changed=changed,
|
|
|
|
|
out=cluster_state)
|
|
|
|
|
module.exit_json(changed=changed, out=cluster_state)
|
|
|
|
|
else:
|
|
|
|
|
set_cluster(module, state, timeout, force)
|
|
|
|
|
cluster_state = get_cluster_status(module)
|
|
|
|
|
if cluster_state == state:
|
|
|
|
|
module.exit_json(changed=True,
|
|
|
|
|
out=cluster_state)
|
|
|
|
|
module.exit_json(changed=True, out=cluster_state)
|
|
|
|
|
else:
|
|
|
|
|
module.fail_json(msg="Fail to bring the cluster %s" % state)
|
|
|
|
|
else:
|
|
|
|
@ -195,14 +194,12 @@ def main():
|
|
|
|
|
# Check cluster state
|
|
|
|
|
for node_state in cluster_state:
|
|
|
|
|
if node_state[1].strip().lower() == state:
|
|
|
|
|
module.exit_json(changed=changed,
|
|
|
|
|
out=cluster_state)
|
|
|
|
|
module.exit_json(changed=changed, out=cluster_state)
|
|
|
|
|
else:
|
|
|
|
|
# Set cluster status if needed
|
|
|
|
|
set_cluster(module, state, timeout, force)
|
|
|
|
|
cluster_state = get_node_status(module, node)
|
|
|
|
|
module.exit_json(changed=True,
|
|
|
|
|
out=cluster_state)
|
|
|
|
|
module.exit_json(changed=True, out=cluster_state)
|
|
|
|
|
|
|
|
|
|
if state in ['restart']:
|
|
|
|
|
set_cluster(module, 'offline', timeout, force)
|
|
|
|
@ -211,8 +208,7 @@ def main():
|
|
|
|
|
set_cluster(module, 'online', timeout, force)
|
|
|
|
|
cluster_state = get_cluster_status(module)
|
|
|
|
|
if cluster_state == 'online':
|
|
|
|
|
module.exit_json(changed=True,
|
|
|
|
|
out=cluster_state)
|
|
|
|
|
module.exit_json(changed=True, out=cluster_state)
|
|
|
|
|
else:
|
|
|
|
|
module.fail_json(msg="Failed during the restart of the cluster, the cluster can't be started")
|
|
|
|
|
else:
|
|
|
|
|