now handles default and allaows for either shorthand entry or specific
fields per entry section the default option works both when added to entry or as stand alone. Signed-off-by: Brian Coca <briancoca+dev@gmail.com>
This commit is contained in:
Brian Coca
parent
d505586b34
commit
b45fb649ee
1 changed files with 155 additions and 65 deletions
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@ -24,15 +24,10 @@ description:
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options:
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name:
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required: true
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default: None
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default: null
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description:
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- The full path of the file or object.
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aliases: ['path']
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entry:
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required: false
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default: None
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description:
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- The acl to set or remove. This must always be quoted in the form of '<type>:<qualifier>:<perms>'. The qualifier may be empty for some types, but the type and perms are always requried. '-' can be used as placeholder when you do not care about permissions.
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state:
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required: false
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@ -40,12 +35,50 @@ options:
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choices: [ 'query', 'present', 'absent' ]
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description:
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- defines whether the ACL should be present or not. The C(query) state gets the current acl C(present) without changing it, for use in 'register' operations.
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follow:
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required: false
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default: yes
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choices: [ 'yes', 'no' ]
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description:
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- whether to follow symlinks on the path if a symlink is encountered.
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default:
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version_added: "1.5"
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required: false
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default: no
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choices: [ 'yes', 'no' ]
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description:
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- if the target is a directory, setting this to yes will make it the default acl for entities created inside the directory. It causes an error if name is a file.
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entity:
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version_added: "1.5"
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required: false
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description:
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- actual user or group that the ACL applies to when matching entity types user or group are selected.
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type:
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version_added: "1.5"
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required: false
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default: null
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choices: [ 'user', 'group', 'mask', 'other' ]
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description:
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- if the target is a directory, setting this to yes will make it the default acl for entities created inside the directory. It causes an error if name is a file.
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d
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permissions:
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version_added: "1.5"
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required: false
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default: null
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description:
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- Permissions to apply/remove can be any combination of r, w and x (read, write and execute respectively)
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entry:(deprecated)
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required: false
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default: null
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description:
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- The acl to set or remove. This must always be quoted in the form of '<type>:<qualifier>:<perms>'. The qualifier may be empty for some types, but the type and perms are always requried. '-' can be used as placeholder when you do not care about permissions. This is now superceeded by entity, type and permissions fields.
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author: Brian Coca
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notes:
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- The "acl" module requires that acls are enabled on the target filesystem and that the setfacl and getfacl binaries are installed.
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@ -53,17 +86,59 @@ notes:
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EXAMPLES = '''
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# Grant user Joe read access to a file
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- acl: name=/etc/foo.conf entry="user:joe:r" state=present
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- acl: name=/etc/foo.conf entity=joe type=user permissions="r" state=present
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# Removes the acl for Joe on a specific file
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- acl: name=/etc/foo.conf entry="user:joe:-" state=absent
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- acl: name=/etc/foo.conf entity=joe type=user state=absent
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# Sets default acl for joe on foo.d
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- acl: name=/etc/foo.d entity=joe type=user permissions=rw default=yes state=present
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# Same as previous but using entry shorthand
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- acl: name=/etc/foo.d entrty="default:user:joe:rw-" state=present
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# Obtain the acl for a specific file
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- acl: name=/etc/foo.conf
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register: acl_info
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'''
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def get_acl(module,path,entry,follow):
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def split_entry(entry):
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''' splits entry and ensures normalized return'''
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a = entry.split(':')
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a.reverse()
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if len(a) == 3:
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a.append(False)
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try:
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p,e,t,d = a
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except ValueError, e:
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print "wtf?? %s => %s" % (entry,a)
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raise e
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if t.startswith("u"):
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t = "user"
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elif t.startswith("g"):
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t = "group"
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elif t.startswith("m"):
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t = "mask"
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elif t.startswith("o"):
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t = "other"
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else:
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t = None
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perms = ['-','-','-']
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for char in p:
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if char == 'r':
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perms[0] = 'r'
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if char == 'w':
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perms[1] = 'w'
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if char == 'x':
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perms[2] = 'x'
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p = ''.join(perms)
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return [d,t,e,p]
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def get_acls(module,path,follow):
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cmd = [ module.get_bin_path('getfacl', True) ]
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if not follow:
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@ -75,21 +150,25 @@ def get_acl(module,path,entry,follow):
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return _run_acl(module,cmd)
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def set_acl(module,path,entry,follow):
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def set_acl(module,path,entry,follow,default):
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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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if default:
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cmd.append('-d')
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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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def rm_acl(module,path,entry,follow,default):
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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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if default:
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cmd.append('-k')
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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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@ -103,93 +182,104 @@ def _run_acl(module,cmd,check_rc=True):
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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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# trim last line as it is always empty
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ret = out.splitlines()
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return ret[0:len(ret)-1]
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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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name = dict(required=True,aliases=['path'], type='str'),
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entry = dict(required=False, type='str'),
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entity = dict(required=False, type='str', default=''),
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type = dict(required=False, choices=['other', 'user', 'group', 'mask'], type='str'),
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permissions = dict(required=False, 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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default= dict(required=False, type='bool', default=False),
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),
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supports_check_mode=True,
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)
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path = module.params.get('name')
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entry = module.params.get('entry')
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entity = module.params.get('entity')
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type = module.params.get('type')
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permissions = module.params.get('permissions')
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state = module.params.get('state')
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follow = module.params.get('follow')
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default = module.params.get('default')
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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:
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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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if state in ['present','absent']:
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if not entry and not type:
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module.fail_json(msg="%s requries to have ither either type and permissions or entry to be set" % state)
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if entry:
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if type or entity or permissions:
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module.fail_json(msg="entry and another incompatible field (entity, type or permissions) are also set")
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if entry.count(":") not in [2,3]:
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module.fail_json(msg="Invalid entry: '%s', it requires 3 or 4 sections divided by ':'" % entry)
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default, type, entity, permissions = split_entry(entry)
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changed=False
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changes=0
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msg = ""
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currentacl = get_acl(module,path,entry,follow)
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currentacls = get_acls(module,path,follow)
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if (state == 'present'):
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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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for oldentry in currentacls:
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if oldentry.count(":") == 0:
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continue
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old_default, old_type, old_entity, old_permissions = split_entry(oldentry)
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if old_default == default:
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if old_type == type:
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if type in ['user', 'group']:
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if old_entity == entity:
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matched = True
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if not old_permissions == permissions:
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changed = True
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break
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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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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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if not old_permissions == permissions:
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changed = True
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break
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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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changed=True
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if changed and not module.check_mode:
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set_acl(module,path,':'.join([type, str(entity), permissions]),follow,default)
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msg="%s is present" % ':'.join([type, str(entity), permissions])
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elif state == 'absent':
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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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for oldentry in currentacls:
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if oldentry.count(":") == 0:
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continue
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old_default, old_type, old_entity, old_permissions = split_entry(oldentry)
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if old_default == default:
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if old_type == type:
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if type in ['user', 'group']:
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if old_entity == entity:
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changed=True
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break
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else:
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changed=True
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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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if changed and not module.check_mode:
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rm_acl(module,path,':'.join([type, entity, '---']),follow,default)
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msg="%s is absent" % ':'.join([type, entity, '---'])
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else:
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msg="current acl"
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if changes > 0:
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changed=True
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currentacl = get_acl(module,path,entry,follow)
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if changed:
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currentacls = get_acls(module,path,follow)
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msg="%s. %d entries changed" % (msg,changes)
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module.exit_json(changed=changed, msg=msg, acl=currentacl)
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module.exit_json(changed=changed, msg=msg, acl=currentacls)
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# import module snippets
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from ansible.module_utils.basic import *
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