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@ -17,10 +17,6 @@
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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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try:
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import json
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except ImportError:
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import simplejson as json
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import os
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import sys
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import shlex
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@ -35,21 +31,18 @@ try:
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except ImportError:
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HAVE_SELINUX=False
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def debug(msg):
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# ansible ignores stderr, so it's safe to use for debug
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# print >>sys.stderr, msg
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pass
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def dump_kv(vars):
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return " ".join("%s=%s" % (k,v) for (k,v) in vars.items())
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def exit_json(rc=0, **kwargs):
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def exit_kv(rc=0, **kwargs):
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if 'path' in kwargs:
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debug("adding path info")
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add_path_info(kwargs)
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print json.dumps(kwargs)
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print dump_kv(kwargs)
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sys.exit(rc)
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def fail_json(**kwargs):
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def fail_kv(**kwargs):
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kwargs['failed'] = True
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exit_json(rc=1, **kwargs)
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exit_kv(rc=1, **kwargs)
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def add_path_info(kwargs):
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path = kwargs['path']
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@ -81,20 +74,16 @@ def selinux_mls_enabled():
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if not HAVE_SELINUX:
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return False
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if selinux.is_selinux_mls_enabled() == 1:
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debug('selinux mls is enabled')
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return True
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else:
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debug('selinux mls is disabled')
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return False
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def selinux_enabled():
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if not HAVE_SELINUX:
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return False
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if selinux.is_selinux_enabled() == 1:
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debug('selinux is enabled')
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return True
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else:
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debug('selinux is disabled')
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return False
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# Determine whether we need a placeholder for selevel/mls
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@ -112,13 +101,10 @@ def selinux_default_context(path, mode=0):
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try:
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ret = selinux.matchpathcon(path, mode)
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except OSError:
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debug("no default context available")
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return context
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if ret[0] == -1:
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debug("no default context available")
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return context
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context = ret[1].split(':')
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debug("got default secontext=%s" % ret[1])
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return context
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def selinux_context(path):
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@ -128,11 +114,10 @@ def selinux_context(path):
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try:
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ret = selinux.lgetfilecon(path)
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except:
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fail_json(path=path, msg='failed to retrieve selinux context')
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fail_kv(path=path, msg='failed to retrieve selinux context')
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if ret[0] == -1:
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return context
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context = ret[1].split(':')
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debug("got current secontext=%s" % ret[1])
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return context
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# ===========================================
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@ -142,7 +127,7 @@ args = open(argfile, 'r').read()
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items = shlex.split(args)
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if not len(items):
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fail_json(msg='the module requires arguments -a')
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fail_kv(msg='the module requires arguments -a')
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sys.exit(1)
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params = {}
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@ -180,12 +165,12 @@ for i in range(len(default_secontext)):
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secontext[i] = default_secontext[i]
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if state not in [ 'file', 'directory', 'link', 'absent']:
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fail_json(msg='invalid state: %s' % state)
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fail_kv(msg='invalid state: %s' % state)
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if state == 'link' and (src is None or dest is None):
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fail_json(msg='src and dest are required for "link" state')
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fail_kv(msg='src and dest are required for "link" state')
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elif path is None:
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fail_json(msg='path is required')
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fail_kv(msg='path is required')
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changed = False
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@ -201,7 +186,6 @@ def user_and_group(filename):
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gid = st.st_gid
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user = pwd.getpwuid(uid)[0]
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group = grp.getgrgid(gid)[0]
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debug("got user=%s and group=%s" % (user, group))
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return (user, group)
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def set_context_if_different(path, context, changed):
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@ -209,59 +193,52 @@ def set_context_if_different(path, context, changed):
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return changed
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cur_context = selinux_context(path)
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new_context = list(cur_context)
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debug("current secontext is %s" % ':'.join(cur_context))
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# Iterate over the current context instead of the
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# argument context, which may have selevel.
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for i in range(len(cur_context)):
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if context[i] is not None and context[i] != cur_context[i]:
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new_context[i] = context[i]
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debug("new secontext is %s" % ':'.join(new_context))
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if cur_context != new_context:
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try:
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rc = selinux.lsetfilecon(path, ':'.join(new_context))
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except OSError:
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fail_json(path=path, msg='invalid selinux context')
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fail_kv(path=path, msg='invalid selinux context')
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if rc != 0:
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fail_json(path=path, msg='set selinux context failed')
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fail_kv(path=path, msg='set selinux context failed')
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changed = True
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return changed
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def set_owner_if_different(path, owner, changed):
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if owner is None:
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debug('not tweaking owner')
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return changed
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user, group = user_and_group(path)
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if owner != user:
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debug('setting owner')
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rc = os.system("/bin/chown -R %s %s" % (owner, path))
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if rc != 0:
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fail_json(path=path, msg='chown failed')
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fail_kv(path=path, msg='chown failed')
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return True
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return changed
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def set_group_if_different(path, group, changed):
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if group is None:
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debug('not tweaking group')
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return changed
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old_user, old_group = user_and_group(path)
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if old_group != group:
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debug('setting group')
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rc = os.system("/bin/chgrp -R %s %s" % (group, path))
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if rc != 0:
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fail_json(path=path, msg='chgrp failed')
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fail_kv(path=path, msg='chgrp failed')
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return True
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return changed
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def set_mode_if_different(path, mode, changed):
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if mode is None:
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debug('not tweaking mode')
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return changed
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try:
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# FIXME: support English modes
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mode = int(mode, 8)
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except Exception, e:
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fail_json(path=path, msg='mode needs to be something octalish', details=str(e))
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fail_kv(path=path, msg='mode needs to be something octalish', details=str(e))
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st = os.stat(path)
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prev_mode = stat.S_IMODE(st[stat.ST_MODE])
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@ -270,10 +247,9 @@ def set_mode_if_different(path, mode, changed):
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# FIXME: comparison against string above will cause this to be executed
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# every time
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try:
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debug('setting mode')
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os.chmod(path, mode)
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except Exception, e:
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fail_json(path=path, msg='chmod failed', details=str(e))
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fail_kv(path=path, msg='chmod failed', details=str(e))
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st = os.stat(path)
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new_mode = stat.S_IMODE(st[stat.ST_MODE])
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@ -284,7 +260,7 @@ def set_mode_if_different(path, mode, changed):
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def rmtree_error(func, path, exc_info):
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fail_json(path=path, msg='failed to remove directory')
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fail_kv(path=path, msg='failed to remove directory')
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# ===========================================
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# go...
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@ -299,7 +275,6 @@ if os.path.lexists(path):
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prev_state = 'directory'
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if prev_state != 'absent' and state == 'absent':
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debug('requesting absent')
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try:
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if prev_state == 'directory':
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if os.path.islink(path):
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@ -309,21 +284,20 @@ if prev_state != 'absent' and state == 'absent':
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else:
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os.unlink(path)
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except Exception, e:
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fail_json(path=path, msg=str(e))
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exit_json(path=path, changed=True)
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fail_kv(path=path, msg=str(e))
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exit_kv(path=path, changed=True)
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sys.exit(0)
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if prev_state != 'absent' and prev_state != state:
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fail_json(path=path, msg='refusing to convert between %s and %s' % (prev_state, state))
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fail_kv(path=path, msg='refusing to convert between %s and %s' % (prev_state, state))
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if prev_state == 'absent' and state == 'absent':
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exit_json(path=path, changed=False)
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exit_kv(path=path, changed=False)
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if state == 'file':
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debug('requesting file')
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if prev_state == 'absent':
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fail_json(path=path, msg='file does not exist, use copy or template module to create')
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fail_kv(path=path, msg='file does not exist, use copy or template module to create')
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# set modes owners and context as needed
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changed = set_context_if_different(path, secontext, changed)
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@ -331,11 +305,10 @@ if state == 'file':
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changed = set_group_if_different(path, group, changed)
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changed = set_mode_if_different(path, mode, changed)
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exit_json(path=path, changed=changed)
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exit_kv(path=path, changed=changed)
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elif state == 'directory':
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debug('requesting directory')
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if prev_state == 'absent':
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os.makedirs(path)
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changed = True
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@ -346,7 +319,7 @@ elif state == 'directory':
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changed = set_group_if_different(path, group, changed)
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changed = set_mode_if_different(path, mode, changed)
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exit_json(path=path, changed=changed)
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exit_kv(path=path, changed=changed)
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elif state == 'link':
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@ -355,7 +328,7 @@ elif state == 'link':
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else:
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abs_src = os.path.join(os.path.dirname(dest), src)
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if not os.path.exists(abs_src):
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fail_json(dest=dest, src=src, msg='src file does not exist')
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fail_kv(dest=dest, src=src, msg='src file does not exist')
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if prev_state == 'absent':
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os.symlink(src, dest)
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@ -368,7 +341,7 @@ elif state == 'link':
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os.unlink(dest)
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os.symlink(src, dest)
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else:
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fail_json(dest=dest, src=src, msg='unexpected position reached')
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fail_kv(dest=dest, src=src, msg='unexpected position reached')
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# set modes owners and context as needed
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changed = set_context_if_different(dest, secontext, changed)
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@ -376,9 +349,9 @@ elif state == 'link':
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changed = set_group_if_different(dest, group, changed)
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changed = set_mode_if_different(dest, mode, changed)
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exit_json(dest=dest, src=src, changed=changed)
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exit_kv(dest=dest, src=src, changed=changed)
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fail_json(path=path, msg='unexpected position reached')
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fail_kv(path=path, msg='unexpected position reached')
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sys.exit(0)
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