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ansible/library/async_status

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#!/usr/bin/python
# (c) 2012, Michael DeHaan <michael.dehaan@gmail.com>, and others
#
# 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/>.
#
try:
import json
except ImportError:
import simplejson as json
import shlex
import os
import subprocess
import sys
import datetime
import traceback
import syslog
# ===========================================
# FIXME: better error handling
argsfile = sys.argv[1]
args = open(argsfile, 'r').read()
items = shlex.split(args)
syslog.openlog('ansible-%s' % os.path.basename(__file__))
syslog.syslog(syslog.LOG_NOTICE, 'Invoked with %s' % args)
params = {}
for x in items:
(k, v) = x.split("=")
params[k] = v
mode = params.get('mode', 'status')
jid = params.get('jid', None)
# ===========================================
if jid is None:
print json.dumps({
"failed" : True,
"msg" : "jid=INTEGER is required"
})
sys.exit(1)
# setup logging directory
logdir = os.path.expanduser("~/.ansible_async")
log_path = os.path.join(logdir, jid)
if not os.path.exists(log_path):
print json.dumps({
"failed" : 1,
"msg" : "could not find job",
"ansible_job_id" : jid
})
sys.exit(1)
if mode == 'cleanup':
os.unlink(log_path)
print json.dumps({
"ansible_job_id" : jid,
"erased" : log_path
})
sys.exit(0)
# NOT in cleanup mode, assume regular status mode
# no remote kill mode currently exists, but probably should
# consider log_path + ".pid" file and also unlink that above
data = file(log_path).read()
try:
data = json.loads(data)
except Exception, e:
if data == '':
# file not written yet? That means it is running
print json.dumps({
"results_file" : log_path,
"ansible_job_id" : jid,
"started" : 1,
})
else:
print json.dumps({
"failed" : True,
"ansible_job_id" : jid,
"results_file" : log_path,
"msg" : "Could not parse job output: %s" % data,
})
sys.exit(0)
if not data.has_key("started"):
data['finished'] = 1
data['ansible_job_id'] = jid
print json.dumps(data)
sys.exit(0)