834f6a216d
Tested with OS X local connection and Linux remote. The paths to the md5sum and md5 commands are hardcoded to the most common location. This will definitely fail if the commands are elsewhere, or if the md5 command doesn't support the -q 'quiet' option.
74 lines
2 KiB
Python
Executable file
74 lines
2 KiB
Python
Executable file
#!/usr/bin/python
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# (c) 2012, Michael DeHaan <michael.dehaan@gmail.com>
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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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import sys
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import os
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import shlex
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import syslog
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# ===========================================
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# convert arguments of form a=b c=d
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# to a dictionary
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# FIXME: make more idiomatic
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if len(sys.argv) == 1:
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sys.exit(1)
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argfile = sys.argv[1]
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if not os.path.exists(argfile):
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sys.exit(1)
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args = open(argfile, 'r').read()
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items = shlex.split(args)
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syslog.openlog('ansible-%s' % os.path.basename(__file__))
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syslog.syslog(syslog.LOG_NOTICE, 'Invoked with %s' % args)
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params = {}
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for x in items:
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(k, v) = x.split("=")
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params[k] = v
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src = params['src']
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dest = params['dest']
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if src:
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src = os.path.expanduser(src)
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if dest:
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dest = os.path.expanduser(dest)
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# raise an error if there is no src file
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if not os.path.exists(src):
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print "failed=1 msg='Source %s failed to transfer'" % src
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sys.exit(1)
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md5sum = None
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changed = False
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if os.path.exists(dest):
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md5sum = os.popen("/usr/bin/md5sum %(file)s 2> /dev/null || /sbin/md5 -q %(file)s" % {"file": dest}).read().split()[0]
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md5sum2 = os.popen("/usr/bin/md5sum %(file)s 2> /dev/null || /sbin/md5 -q %(file)s" % {"file": src}).read().split()[0]
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if md5sum != md5sum2:
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os.system("cp %s %s" % (src, dest))
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changed = True
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# mission accomplished
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print "md5sum=%s changed=%s" % (md5sum2, changed)
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