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now w/o python module dependencies
Signed-off-by: Brian Coca <briancoca+dev@gmail.com>
This commit is contained in:
Brian Coca
parent
0e2c63212c
commit
ef5b735cd5
1 changed files with 93 additions and 64 deletions
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@ -35,10 +35,10 @@ options:
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- The acl to set/remove. MUST always quote! In form of '<type>:<qualifier>:<perms>', qualifier may be empty for some types but type and perms are always requried. '-' can be used as placeholder when you don't care about permissions.
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state:
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required: false
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default: get
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choices: [ 'get', 'present', 'absent' ]
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default: query
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choices: [ 'query', 'present', 'absent' ]
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description:
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- defines which operation you want to do. C(get) get the current acl C(present) sets/changes the acl, requires entry field C(absent) deletes the acl, requires entry field
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- defines which operation you want to do. C(query) get the current acl C(present) sets/changes the acl, requires permissions field C(absent) deletes the acl, requires permissions field
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follow:
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required: false
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default: yes
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@ -47,7 +47,10 @@ options:
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- if yes, dereferences symlinks and sets/gets attributes on symlink target, otherwise acts on symlink itself.
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author: Brian Coca
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notes:
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- The "acl" module requires the posix1e module on the target machine and that acl is enabled on the target filesystem.
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- The "acl" module requires that acl is enabled on the target filesystem and that the setfacl and getfacl binaries are installed.
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author: Brian Coca
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notes:
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- The "acl" module requires the acl command line utilities be installed on the target machine and that acl is enabled on the target filesystem.
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'''
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EXAMPLES = '''
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@ -55,37 +58,64 @@ EXAMPLES = '''
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- acl: name=/etc/foo.conf
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# Grants joe read access to foo
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- acl: name=/etc/foo.conf entry="u:joe:r" state=present
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- acl: name=/etc/foo.conf entry="user:joe:r" state=present
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# Removes the acl for joe
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- acl: name=/etc/foo.conf entry="u:joe:-" state=absent
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- acl: name=/etc/foo.conf entry="user:joe:-" state=absent
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'''
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NO_PYLIBACL=False
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try:
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import posix1e
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except:
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NO_PYLIBACL=True
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def gen_acl(module,entry):
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def get_acl(module,path,entry,follow):
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cmd = [ module.get_bin_path('getfacl', True) ]
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if not follow:
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cmd.append('-h')
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# prevents absolute path warnings and removes headers
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cmd.append('-cp')
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cmd.append(path)
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return _run_acl(module,cmd)
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def set_acl(module,path,entry,follow):
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cmd = [ module.get_bin_path('setfacl', True) ]
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if not follow:
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cmd.append('-h')
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cmd.append('-m "%s"' % entry)
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cmd.append(path)
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return _run_acl(module,cmd)
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def rm_acl(module,path,entry,follow):
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cmd = [ module.get_bin_path('setfacl', True) ]
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if not follow:
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cmd.append('-h')
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entry = entry[0:entry.rfind(':')]
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cmd.append('-x "%s"' % entry)
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cmd.append(path)
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return _run_acl(module,cmd,False)
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def _run_acl(module,cmd,check_rc=True):
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try:
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return posix1e.ACL(text=entry)
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except IOError, e:
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module.fail_json(msg="Invalid entry: '%s', check that user/groups exist and permissions are correct" % entry)
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(rc, out, err) = module.run_command(' '.join(cmd), check_rc=check_rc)
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except Exception, e:
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module.fail_json(msg=e.strerror)
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return out.splitlines()
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def main():
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module = AnsibleModule(
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argument_spec = dict(
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name = dict(required=True,aliases=['path']),
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entry = dict(required=False, default=None),
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state = dict(required=False, default='get', choices=[ 'get', 'present', 'absent' ], type='str'),
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state = dict(required=False, default='query', choices=[ 'query', 'present', 'absent' ], type='str'),
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follow = dict(required=False, type='bool', default=True),
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),
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supports_check_mode=True,
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)
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if NO_PYLIBACL:
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module.fail_json(msg="Could not import required module pylibacl (posix1e)")
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path = module.params.get('name')
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entry = module.params.get('entry')
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state = module.params.get('state')
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@ -94,73 +124,72 @@ def main():
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if not os.path.exists(path):
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module.fail_json(msg="path not found or not accessible!")
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if entry is None and state in ['present','absent']:
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module.fail_json(msg="%s needs entry to be set" % state)
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if entry.count(":") != 2:
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module.fail_json(msg="Invalid entry: '%s', it requires 3 sections divided by ':'" % entry)
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if entry is None:
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if state in ['present','absent']:
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module.fail_json(msg="%s needs entry to be set" % state)
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else:
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if entry.count(":") != 2:
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module.fail_json(msg="Invalid entry: '%s', it requires 3 sections divided by ':'" % entry)
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changed=False
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changes=0
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msg = ""
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currentacl = posix1e.ACL(file=path)
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newacl = currentacl
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res = currentacl
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currentacl = get_acl(module,path,entry,follow)
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if (state == 'present'):
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for newe in gen_acl(module, entry):
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matched = False
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for olde in currentacl:
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diff = False
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if olde.tag_type == newe.tag_type:
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if newe.tag_type in [ posix1e.ACL_GROUP, posix1e.ACL_USER ]:
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if olde.qualifier == newe.qualifier:
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matched = True
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if not str(olde.permset) == str(newe.permset):
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diff = True
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else:
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newe = entry.split(':')
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matched = False
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for oldentry in currentacl:
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diff = False
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olde = oldentry.split(':')
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if olde[0] == newe[0]:
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if newe[0] in ['user', 'group']:
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if olde[1] == newe[1]:
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matched = True
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if not str(olde.permset) == str(newe.permset):
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if not olde[2] == newe[2]:
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diff = True
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if diff:
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newacl.delete_entry(olde)
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newacl.append(newe)
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changes=changes+1
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if matched:
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break
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if not matched:
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newacl.append(newe)
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else:
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matched = True
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if not olde[2] == newe[2]:
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diff = True
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if diff:
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changes=changes+1
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if not module.check_mode:
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set_acl(module,path,entry,follow)
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if matched:
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break
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if not matched:
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changes=changes+1
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if not module.check_mode:
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set_acl(module,path,entry,follow)
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msg="%s is present" % (entry)
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elif state == 'absent':
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for rme in gen_acl(module, entry):
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for olde in currentacl:
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if olde.tag_type == rme.tag_type:
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if rme.tag_type in [ posix1e.ACL_GROUP, posix1e.ACL_USER ]:
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if olde.qualifier == rme.qualifier:
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newacl.delete_entry(olde)
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changes=changes+1
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break
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else:
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newacl.delete_entry(olde)
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rme = entry.split(':')
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for oldentry in currentacl:
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olde = oldentry.split(':')
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if olde[0] == rme[0]:
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if rme[0] in ['user', 'group']:
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if olde[1] == rme[1]:
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changes=changes+1
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if not module.check_mode:
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rm_acl(module,path,entry,follow)
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break
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else:
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changes=changes+1
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if not module.check_mode:
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rm_acl(module,path,entry,follow)
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break
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msg="%s is absent" % (entry)
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else:
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msg="current acl"
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if changes > 0:
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newacl.calc_mask()
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if not newacl.valid():
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module.fail_json(msg="Invalid acl constructed: %s" % newacl.to_any_text())
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if not module.check_mode:
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newacl.applyto(path)
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changed=True
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res=newacl
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currentacl = get_acl(module,path,entry,follow)
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msg="%s. %d entries changed" % (msg,changes)
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module.exit_json(changed=changed, msg=msg, acl=res.to_any_text().split())
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module.exit_json(changed=changed, msg=msg, acl=currentacl)
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# this is magic, see lib/ansible/module_common.py
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#<<INCLUDE_ANSIBLE_MODULE_COMMON>>
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