/usr/share/pyshared/crm/idmgmt.py is in pacemaker 1.1.6-2ubuntu3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 | # Copyright (C) 2008 Dejan Muhamedagic <dmuhamedagic@suse.de>
#
# This program 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 2 of the License, or (at your option) any later version.
#
# This software 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 this library; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
#
from vars import Vars
from xmlutil import *
from msg import *
class IdMgmt(Singleton):
'''
Make sure that ids are unique.
'''
def __init__(self):
self._id_store = {}
self.ok = True # error var
def new(self,node,pfx):
'''
Create a unique id for the xml node.
'''
name = node.getAttribute("name")
if node.tagName == "nvpair":
node_id = "%s-%s" % (pfx,name)
elif node.tagName == "op":
interval = node.getAttribute("interval")
if interval:
node_id = "%s-%s-%s" % (pfx,name,interval)
else:
node_id = "%s-%s" % (pfx,name)
else:
try:
subpfx = vars.subpfx_list[node.tagName]
except: subpfx = ''
if subpfx:
node_id = "%s-%s" % (pfx,subpfx)
else:
node_id = "%s" % pfx
if self.is_used(node_id):
for cnt in range(99): # shouldn't really get here
try_id = "%s-%d" % (node_id,cnt)
if not self.is_used(try_id):
node_id = try_id
break
self.save(node_id)
return node_id
def check_node(self,node,lvl):
node_id = node.getAttribute("id")
if not node_id:
return
if self.id_in_use(node_id):
common_error("id_store: id %s is in use" % node_id)
self.ok = False
return
def _store_node(self,node,lvl):
self.save(node.getAttribute("id"))
def _drop_node(self,node,lvl):
self.remove(node.getAttribute("id"))
def check_xml(self,node):
self.ok = True
xmltraverse_thin(node,self.check_node)
return self.ok
def store_xml(self,node):
if not self.check_xml(node):
return False
xmltraverse_thin(node,self._store_node)
return True
def remove_xml(self,node):
xmltraverse_thin(node,self._drop_node)
def replace_xml(self,oldnode,newnode):
self.remove_xml(oldnode)
if not self.store_xml(newnode):
self.store_xml(oldnode)
return False
return True
def is_used(self,node_id):
return node_id in self._id_store
def id_in_use(self,obj_id):
if self.is_used(obj_id):
id_used_err(obj_id)
return True
return False
def save(self,node_id):
if not node_id: return
common_debug("id_store: saved %s" % node_id)
self._id_store[node_id] = 1
def rename(self,old_id,new_id):
if not old_id or not new_id: return
if not self.is_used(old_id): return
if self.is_used(new_id): return
self.remove(old_id)
self.save(new_id)
def remove(self,node_id):
if not node_id: return
try:
del self._id_store[node_id]
common_debug("id_store: removed %s" % node_id)
except KeyError:
pass
def clear(self):
self._id_store = {}
vars = Vars.getInstance()
# vim:ts=4:sw=4:et:
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