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dbcheck: improved error checking in fixup of missing metdata

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when fixing missing attributes in replPropertyMetaData, allow user to
confirm changes, and check for exceptions

Pair-Programmed-With: Andrew Bartlett <abartlet@samba.org>
Pair-Programmed-With: Amitay Isaacs <amitay@gmail.com>
This commit is contained in:
Andrew Tridgell 2011-07-11 14:05:30 +10:00
parent 396beee776
commit 082a9cc728
1 changed files with 24 additions and 26 deletions
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50
source4/scripting/python/samba/dbchecker.py
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@ -67,6 +67,7 @@ class dbcheck(object):
self.fix_all_DN_GUIDs = False
self.remove_all_deleted_DN_links = False
self.fix_all_target_mismatch = False
self.fix_all_metadata = False
def check_database(self, DN=None, scope=ldb.SCOPE_SUBTREE, controls=[], attrs=['*']):
'''perform a database check, returning the number of errors found'''
@ -351,22 +352,22 @@ class dbcheck(object):
return list_att
def fix_metadata(self, dn, list):
res = self.samdb.search(base = dn, scope=ldb.SCOPE_BASE, attrs = list,
controls = ["search_options:1:2"])
def fix_metadata(self, dn, attr):
'''re-write replPropertyMetaData elements for a single attribute for a
object. This is used to fix missing replPropertyMetaData elements'''
res = self.samdb.search(base = dn, scope=ldb.SCOPE_BASE, attrs = [attr],
controls = ["search_options:1:2", "show_deleted:1"])
msg = res[0]
nmsg = ldb.Message()
delta = self.samdb.msg_diff(nmsg, msg)
nmsg.dn = dn
nmsg[attr] = ldb.MessageElement(msg[attr], ldb.FLAG_MOD_REPLACE, attr)
try:
self.samdb.modify(nmsg, controls = ["relax:0", "provision:0", "show_deleted:1"])
except Exception, err:
self.report("Failed to fix metadata for attribute %s : %s" % (attr, err))
return
self.report("Fixed metadata for attribute %s" % attr)
for att in delta:
if att == "dn":
continue
val = delta.get(att)
nmsg[att] = ldb.MessageElement(val, ldb.FLAG_MOD_REPLACE, att)
self.samdb.modify(nmsg, controls = ["relax:0", "provision:0"])
################################################################
# check one object - calls to individual error handlers above
@ -433,19 +434,16 @@ class dbcheck(object):
break
show_dn = True
if len(list_attrs_seen):
attrs_to_fix = []
for att in list_attrs_seen:
if not att in list_attrs_from_md:
if show_dn:
print "On object %s" % dn
show_dn = False
print " Attribute %s not present in replication metadata" % (att)
error_count += 1
attrs_to_fix.append(att)
if len(attrs_to_fix) and self.fix:
self.fix_metadata(dn, attrs_to_fix)
for att in list_attrs_seen:
if not att in list_attrs_from_md:
if show_dn:
self.report("On object %s" % dn)
show_dn = False
error_count += 1
self.report("ERROR: Attribute %s not present in replication metadata" % att)
if not self.confirm_all("Fix missing replPropertyMetaData element '%s'" % att, 'fix_all_metadata'):
self.report("Not fixing missing replPropertyMetaData element '%s'" % att)
continue
self.fix_metadata(dn, att)
return error_count