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OpenEdx
ansible
Commits
19686d54
Commit
19686d54
authored
Aug 15, 2012
by
Dane Summers
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support for subversion repositories
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19686d54
#!/usr/bin/python
# -*- coding: utf-8 -*-
# (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/>.
# I wanted to keep this simple at first, so for now this checks out
# from the given branch of a repo at a particular SHA or
# tag. Latest is not supported, you should not be doing
# that. Contribs welcome! -- MPD
# requires subversion on the client.
import
re
import
logging
logger
=
logging
.
getLogger
(
'subversion'
)
#hdlr = logging.FileHandler('/tmp/subversion.log')
#hdlr.setFormatter(logging.Formatter('%(asctime)s %(levelname)s %(message)s'))
#logger.addHandler(hdlr)
logger
.
setLevel
(
logging
.
DEBUG
)
def
get_version
(
dest
):
''' samples the version of the git repo '''
logger
.
debug
(
'get_version'
)
os
.
chdir
(
dest
)
cmd
=
"svn info | grep Revision"
logger
.
debug
(
cmd
)
return
os
.
popen
(
cmd
)
.
read
()
def
checkout
(
repo
,
dest
):
''' makes a new svn repo if it does not already exist '''
logger
.
debug
(
'checkout'
)
try
:
os
.
makedirs
(
os
.
path
.
dirname
(
dest
))
except
:
pass
cmd
=
"svn co
%
s
%
s"
%
(
repo
,
dest
)
logger
.
debug
(
cmd
)
cmd
=
subprocess
.
Popen
(
cmd
,
shell
=
True
,
stdout
=
subprocess
.
PIPE
,
stderr
=
subprocess
.
PIPE
)
(
out
,
err
)
=
cmd
.
communicate
()
rc
=
cmd
.
returncode
logger
.
debug
(
'rc, error:
%
s,
%
s '
%
(
rc
,
err
))
return
(
rc
,
out
,
err
)
def
reset
(
dest
):
'''
throw away any changes?
TODO doesn't seem like a good idea to me...
TODO throw away non-tracked files?
-- svn st | grep '?' | awk '{print $2}' | xargs rm -rf
'''
logger
.
debug
(
'reset'
)
os
.
chdir
(
dest
)
cmd
=
"svn revert -R ."
logger
.
debug
(
cmd
)
cmd
=
subprocess
.
Popen
(
cmd
,
shell
=
True
,
stdout
=
subprocess
.
PIPE
,
stderr
=
subprocess
.
PIPE
)
(
out
,
err
)
=
cmd
.
communicate
()
rc
=
cmd
.
returncode
return
(
rc
,
out
,
err
)
def
update
(
module
,
dest
,
version
):
''' update an existing svn repo '''
logger
.
debug
(
'update'
)
os
.
chdir
(
dest
)
cmd
=
''
if
version
!=
'HEAD'
:
cmd
=
"svn up -r
%
s"
%
version
else
:
cmd
=
"svn up"
logger
.
debug
(
cmd
)
cmd
=
subprocess
.
Popen
(
cmd
,
shell
=
True
,
stdout
=
subprocess
.
PIPE
,
stderr
=
subprocess
.
PIPE
)
(
out
,
err
)
=
cmd
.
communicate
()
rc
=
cmd
.
returncode
return
(
rc
,
out
,
err
)
# ===========================================
def
main
():
module
=
AnsibleModule
(
argument_spec
=
dict
(
dest
=
dict
(
required
=
True
),
repo
=
dict
(
required
=
True
,
aliases
=
[
'name'
]),
revision
=
dict
(
default
=
'HEAD'
)
)
)
dest
=
module
.
params
[
'dest'
]
repo
=
module
.
params
[
'repo'
]
revision
=
module
.
params
[
'revision'
]
rc
,
out
,
err
,
status
=
(
0
,
None
,
None
,
None
)
# if there is no .svn folder, do a checkout
# else update.
before
=
None
if
not
os
.
path
.
exists
(
"
%
s/.svn"
%
(
dest
)):
logger
.
debug
(
'.svn exists'
)
(
rc
,
out
,
err
)
=
checkout
(
repo
,
dest
)
if
rc
!=
0
:
logger
.
debug
(
'checkout failure'
)
module
.
fail_json
(
msg
=
err
)
else
:
# else do an update
before
=
get_version
(
dest
)
(
rc
,
out
,
err
)
=
reset
(
dest
)
if
rc
!=
0
:
module
.
fail_json
(
msg
=
err
)
# handle errors from checkout or pull
logger
.
debug
(
'ERROR:
%
s'
%
(
err
.
find
(
'ERROR'
)
!=
-
1
))
if
err
.
find
(
'ERROR'
)
!=
-
1
:
logger
.
debug
(
'err:
\n
%
s'
%
(
err
))
module
.
fail_json
(
msg
=
err
)
# switch to version specified regardless of whether
# we cloned or pulled
(
rc
,
out
,
err
)
=
update
(
module
,
dest
,
revision
)
if
rc
!=
0
:
module
.
fail_json
(
msg
=
err
)
# determine if we changed anything
after
=
get_version
(
dest
)
changed
=
False
if
before
!=
after
:
changed
=
True
module
.
exit_json
(
changed
=
changed
,
before
=
before
,
after
=
after
,
msg
=
"fell thru the bag"
)
# include magic from lib/ansible/module_common.py
#<<INCLUDE_ANSIBLE_MODULE_COMMON>>
main
()
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