mirror of
https://github.com/ansible-collections/community.general.git
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126 lines
3.2 KiB
Python
Executable file
126 lines
3.2 KiB
Python
Executable file
#!/usr/bin/python
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# (c) 2012, Michael DeHaan <michael.dehaan@gmail.com>, and others
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#
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# This file is part of Ansible
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#
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# Ansible is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# Ansible is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
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#
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try:
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import json
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except ImportError:
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import simplejson as json
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import shlex
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import os
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import subprocess
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import sys
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import datetime
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import traceback
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import signal
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import time
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if len(sys.argv) < 3:
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print json.dumps({
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"failed" : True,
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"msg" : "usage: async_wrapper <jid> <module_script> <time_limit> <args>. Humans, do not call directly!"
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})
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sys.exit(1)
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print sys.argv
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jid = sys.argv[1]
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time_limit = sys.argv[2]
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wrapped_module = sys.argv[3]
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args = sys.argv[4:]
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cmd = "%s %s" % (wrapped_module, " ".join(args))
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# setup logging directory
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logdir = os.path.expanduser("~/.ansible_async")
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log_path = os.path.join(logdir, jid)
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if not os.path.exists(logdir):
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try:
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os.makedirs(logdir)
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except:
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print json.dumps({
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"failed" : 1,
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"msg" : "could not create: %s" % logdir
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})
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def _run_command(wrapped_cmd, jid, log_path):
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logfile = open(log_path, "w+")
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logfile.write(json.dumps({ "started" : 1, "ansible_job_id" : jid }))
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result = {}
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try:
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cmd = shlex.split(wrapped_cmd)
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script = subprocess.Popen(cmd, shell=False,
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stdout=subprocess.PIPE, stderr=subprocess.PIPE)
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out, err = script.communicate()
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result = json.loads(out)
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except (OSError, IOError), e:
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result = {
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"failed": 1,
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"cmd" : wrapped_cmd,
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"msg": str(e),
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}
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except:
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result = {
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"failed" : 1,
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"cmd" : wrapped_cmd,
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"msg" : traceback.format_exc()
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}
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result['ansible_job_id'] = jid
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logfile = open(log_path, "w+")
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logfile.write(json.dumps(result))
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logfile.close()
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# immediately exit this process, leaving an orphaned process
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# running which immediately forks a supervisory timing process
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pid = os.fork()
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if pid == 0:
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# "RETURNING SUCCESS IN UNO"
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print json.dumps({ "started" : 1, "ansible_job_id" : jid })
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sys.exit(0)
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else:
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# "DAEMONIZED DOS"
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sub_pid = os.fork()
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if sub_pid == 0:
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# "RUNNING IN KID A"
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_run_command(cmd, jid, log_path)
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sys.exit(0)
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else:
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# "WATCHING IN KID B"
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remaining = int(time_limit)
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if os.path.exists("/proc/%s" % sub_pid):
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# "STILL RUNNING"
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time.sleep(1)
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remaining = remaining - 1
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else:
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# "DONE IN KID B"
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sys.exit(0)
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if remaining == 0:
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# "SLAYING IN KID B"
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os.kill(sub_pid, signals.SIGKILL)
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sys.exit(1)
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sys.exit(0)
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