ansible/copy

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#!/usr/bin/python
# (c) 2012, Michael DeHaan <michael.dehaan@gmail.com>
#
# 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/>.
#
import sys
import os
import shlex
try:
import json
except ImportError:
import simplejson as json
# ===========================================
# 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
src = params['src']
dest = params['dest']
# raise an error if there is no src file
if not os.path.exists(src):
print json.dumps({
"failed" : 1,
"msg" : "Source %s failed to transfer" % src
})
sys.exit(1)
md5sum = None
changed = False
if os.path.exists(dest):
md5sum = os.popen("md5sum %s" % dest).read().split()[0]
os.system("cp %s %s" % (src, dest))
md5sum2 = os.popen("md5sum %s" % dest).read().split()[0]
if md5sum != md5sum2:
changed = True
# mission accomplished
print json.dumps({
"md5sum" : md5sum2,
"changed" : changed
})