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Merge pull request #603 from davehatton/meaningful_messages_if_remote_md5_fails

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meaningful messages if the remote md5 fails
This commit is contained in:
Michael DeHaan 2012-07-17 06:57:06 -07:00
commit 43b3a0be97
1 changed files with 24 additions and 14 deletions
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38
lib/ansible/runner/__init__.py
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@ -393,14 +393,25 @@ class Runner(object):
dest = "%s/%s/%s" % (utils.path_dwim(self.basedir, dest), conn.host, source)
dest = dest.replace("//","/")
# compare old and new md5 for support of change hooks
local_md5 = utils.md5(dest)
# calculate md5 sum for the remote file
remote_md5 = self._remote_md5(conn, tmp, source)
if remote_md5 == '0':
result = dict(msg="missing remote file", file=source, changed=False)
result = dict(msg="unable to calculate the md5 sum of the remote file", file=source, changed=False)
return ReturnData(host=conn.host, result=result)
elif remote_md5 != local_md5:
if remote_md5 == '1':
result = dict(msg="the remote file does not exist, not transferring, ignored", file=source, changed=False)
return ReturnData(host=conn.host, result=result)
if remote_md5 == '2':
result = dict(msg="no read permission on remote file, not transferring, ignored", file=source, changed=False)
return ReturnData(host=conn.host, result=result)
# calculate md5 sum for the local file
local_md5 = utils.md5(dest)
if remote_md5 != local_md5:
# create the containing directories, if needed
if not os.path.isdir(os.path.dirname(dest)):
os.makedirs(os.path.dirname(dest))
@ -651,19 +662,18 @@ class Runner(object):
# *****************************************************
def _remote_md5(self, conn, tmp, path):
'''
takes a remote md5sum without requiring python, and returns 0 if no file
'''
test = "[[ -r %s ]]" % path
''' takes a remote md5sum without requiring python, and returns 0 if no file '''
test = "rc=0; [[ -r \"%s\" ]] || rc=2; [[ -f \"%s\" ]] || rc=1" % (path,path)
md5s = [
"(%s && /usr/bin/md5sum %s 2>/dev/null)" % (test,path),
"(%s && /sbin/md5sum -q %s 2>/dev/null)" % (test,path),
"(%s && /usr/bin/digest -a md5 -v %s 2>/dev/null)" % (test,path)
"(/usr/bin/md5sum %s 2>/dev/null)" % path,
"(/sbin/md5sum -q %s 2>/dev/null)" % path,
"(/usr/bin/digest -a md5 -v %s 2>/dev/null)" % path
]
cmd = " || ".join(md5s)
cmd = "%s || (echo \"0 %s\")" % (cmd, path)
return self._low_level_exec_command(conn, cmd, tmp, True).split()[0]
cmd = "%s; %s || (echo \"${rc} %s\")" % (test, cmd, path)
return self._low_level_exec_command(conn, cmd, tmp, sudoable=False).split()[0]
# *****************************************************