ansible/library/async_status
Michael DeHaan db7ba87111 Add polling logic in runner such that all actions get kicked off everywhere then polling
happens only on needed hosts, allowing some hosts to fail and drop out of the running.
2012-03-11 20:54:54 -04:00

109 lines
2.6 KiB
Python
Executable file

#!/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
# ===========================================
# convert arguments of form a=b c=d
# to a dictionary
# FIXME: make more idiomatic
args = " ".join(sys.argv[1:])
items = shlex.split(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,
"traceback" : str(e),
"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)