mirror of https://github.com/ansible/ansible.git
You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
141 lines
4.2 KiB
Python
141 lines
4.2 KiB
Python
#!/usr/bin/env python
|
|
# -*- coding: utf-8 -*-
|
|
|
|
# (c) 2012, Jeroen Hoekx <jeroen@hoekx.be>
|
|
#
|
|
# This file is part of Ansible
|
|
#
|
|
# Ansible is free software: you can redistribute it and/or modify
|
|
# it under the terms of the GNU General Public License as published by
|
|
# the Free Software Foundation, either version 3 of the License, or
|
|
# (at your option) any later version.
|
|
#
|
|
# Ansible is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
# GNU General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU General Public License
|
|
# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
import socket
|
|
import datetime
|
|
import time
|
|
import sys
|
|
|
|
DOCUMENTATION = '''
|
|
---
|
|
module: wait_for
|
|
short_description: Waits for a given port to become accessible on a server.
|
|
description:
|
|
- This is useful for when services are not immediately available after
|
|
their init scripts return - which is true of certain Java application
|
|
servers. It is also useful when starting guests with the M(virt) module and
|
|
needing to pause until they are ready.
|
|
version_added: "0.7"
|
|
options:
|
|
host:
|
|
description:
|
|
- hostname or IP address to wait for
|
|
required: false
|
|
default: "127.0.0.1"
|
|
aliases: []
|
|
timeout:
|
|
description:
|
|
- maximum number of seconds to wait for
|
|
required: false
|
|
default: 300
|
|
delay:
|
|
description:
|
|
- number of seconds to wait before starting to poll
|
|
required: false
|
|
default: 0
|
|
port:
|
|
description:
|
|
- port number to poll
|
|
required: true
|
|
state:
|
|
description:
|
|
- either C(started), or C(stopped) depending on whether the module should
|
|
poll for the port being open or closed.
|
|
choices: [ "started", "stopped" ]
|
|
default: "started"
|
|
examples:
|
|
- code: "wait_for: port=8000 delay=10"
|
|
description: "Example from Ansible Playbooks"
|
|
notes: []
|
|
requirements: null
|
|
author: Jeroen Hoekx
|
|
'''
|
|
|
|
def main():
|
|
|
|
module = AnsibleModule(
|
|
argument_spec = dict(
|
|
host=dict(default='127.0.0.1'),
|
|
timeout=dict(default=300),
|
|
connect_timeout=dict(default=5),
|
|
delay=dict(default=0),
|
|
port=dict(required=True),
|
|
state=dict(default='started', choices=['started', 'stopped']),
|
|
),
|
|
)
|
|
|
|
params = module.params
|
|
|
|
host = params['host']
|
|
timeout = int(params['timeout'])
|
|
connect_timeout = int(params['connect_timeout'])
|
|
delay = int(params['delay'])
|
|
port = int(params['port'])
|
|
state = params['state']
|
|
|
|
if delay:
|
|
time.sleep(delay)
|
|
|
|
start = datetime.datetime.now()
|
|
|
|
if state == 'stopped':
|
|
### first wait for the host to go down
|
|
end = start + datetime.timedelta(seconds=timeout)
|
|
|
|
while datetime.datetime.now() < end:
|
|
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
|
|
s.settimeout(connect_timeout)
|
|
try:
|
|
s.connect( (host, port) )
|
|
s.shutdown(socket.SHUT_RDWR)
|
|
s.close()
|
|
time.sleep(1)
|
|
except:
|
|
break
|
|
else:
|
|
elapsed = datetime.datetime.now() - start
|
|
module.fail_json(msg="Timeout when waiting for %s:%s to stop." % (host, port), elapsed=elapsed.seconds)
|
|
|
|
elif state == 'started':
|
|
### wait for the host to come up
|
|
end = start + datetime.timedelta(seconds=timeout)
|
|
|
|
while datetime.datetime.now() < end:
|
|
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
|
|
s.settimeout(connect_timeout)
|
|
try:
|
|
s.connect( (host, port) )
|
|
s.shutdown(socket.SHUT_RDWR)
|
|
s.close()
|
|
break
|
|
except:
|
|
time.sleep(1)
|
|
pass
|
|
else:
|
|
elapsed = datetime.datetime.now() - start
|
|
module.fail_json(msg="Timeout when waiting for %s:%s" % (host, port), elapsed=elapsed.seconds)
|
|
|
|
elapsed = datetime.datetime.now() - start
|
|
module.exit_json(state=state, port=port, elapsed=elapsed.seconds)
|
|
|
|
# this is magic, see lib/ansible/module_common.py
|
|
#<<INCLUDE_ANSIBLE_MODULE_COMMON>>
|
|
main()
|