1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
|
#!/usr/bin/env python
#
# $Id$
#
# Copyright (C) 2015-2016 Parsons Government Services ("PARSONS")
# Portions copyright (C) 2014 Dragon Research Labs ("DRL")
# Portions copyright (C) 2013 Internet Systems Consortium ("ISC")
#
# Permission to use, copy, modify, and distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notices and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND PARSONS, DRL, AND ISC DISCLAIM
# ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
# WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL
# PARSONS, DRL, OR ISC BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR
# CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
# OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
# NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
# WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
"""
Cron job for rcynic and rpki-rtr in stock configuration.
Locking code here works like FreeBSD's lockf(1) utility given -k and
-t 0 options, which is both the sanest and simplest combination for
our purposes. In theory this is portable to any Unix-like system.
"""
import os
import sys
import fcntl
import errno
import rpki.autoconf
def run(*cmd, **kwargs):
cwd = kwargs.pop("cwd", None)
pid = os.fork()
if pid == 0:
if cwd is not None:
os.chdir(cwd)
os.closerange(3, os.sysconf("SC_OPEN_MAX"))
os.execvp(cmd[0], cmd)
os._exit(1) # pylint: disable=W0212
else:
status = os.waitpid(pid, 0)[1]
if status == 0:
return
elif os.WIFSIGNALED(status):
sys.exit("Process %s exited with signal %s" % (" ".join(cmd), os.WTERMSIG(status)))
elif os.WIFEXITED(status):
sys.exit("Program %s exited with status %s" % (" ".join(cmd), os.WEXITSTATUS(status)))
else:
sys.exit("Program %s exited for unknown reason %s" % (" ".join(cmd), status))
try:
lock = os.open(os.path.join(rpki.autoconf.RCYNIC_DIR, "data", "lock"),
os.O_RDONLY | os.O_CREAT | os.O_NONBLOCK, 0666)
fcntl.flock(lock, fcntl.LOCK_EX | fcntl.LOCK_NB)
except (IOError, OSError), e:
if e.errno == errno.EAGAIN:
sys.exit(0) # Another instance of this script is already running, exit silently
else:
sys.exit("Error %r opening lock %r" % (e.strerror, os.path.join(rpki.autoconf.RCYNIC_DIR, "data/lock")))
run(os.path.join(rpki.autoconf.bindir, "rcynic"))
run(os.path.join(rpki.autoconf.bindir, "rpki-rtr"),
"cronjob",
cwd = os.path.join(rpki.autoconf.RCYNIC_DIR, "rpki-rtr"))
prog = os.path.join(rpki.autoconf.libexecdir, "rpkigui-rcynic")
if os.path.exists(prog):
run(prog)
if rpki.autoconf.RCYNIC_HTML_DIR and os.path.exists(os.path.dirname(rpki.autoconf.RCYNIC_HTML_DIR)):
run(os.path.join(rpki.autoconf.bindir, "rcynic-html"),
os.path.join(rpki.autoconf.RCYNIC_DIR, "data/rcynic.xml"),
rpki.autoconf.RCYNIC_HTML_DIR)
|
