From 20233cdf535b55ee3832d4844eb2109cccab5837 Mon Sep 17 00:00:00 2001 From: Matthieu Patou Date: Mon, 13 Jun 2011 17:39:06 +0400 Subject: [PATCH] s4-upgradeprovision: introduce invocation id in lastprovisionUSNs --- source4/scripting/bin/upgradeprovision | 46 +++++++++++---- .../python/samba/provision/__init__.py | 56 +++++++++++++------ 2 files changed, 73 insertions(+), 29 deletions(-) diff --git a/source4/scripting/bin/upgradeprovision b/source4/scripting/bin/upgradeprovision index a9dffc0ab58..7f11e404ab0 100755 --- a/source4/scripting/bin/upgradeprovision +++ b/source4/scripting/bin/upgradeprovision @@ -902,10 +902,22 @@ def checkKeepAttributeWithMetadata(delta, att, message, reference, current, attrUSN = None if hash_attr_usn.get(att): - attrUSN = hash_attr_usn.get(att) + [attrUSN, attInvId] = hash_attr_usn.get(att) + + if attrUSN is None: + # If it's a replicated attribute and we don't have any USN + # information about it. It means that we never saw it before + # so let's add it ! + # If it is a replicated attribute but we are not master on it + # (ie. not initially added in the provision we masterize). + # attrUSN will be -1 + if isReplicated(att): + continue + elif att in hashAttrNotCopied.keys(): + delta.remove(att) + else: + continue - if att == "forceLogoff" and attrUSN is None: - continue if attrUSN is None: delta.remove(att) continue @@ -956,7 +968,7 @@ def checkKeepAttributeWithMetadata(delta, att, message, reference, current, return delta -def update_present(ref_samdb, samdb, basedn, listPresent, usns, invocationid): +def update_present(ref_samdb, samdb, basedn, listPresent, usns): """ This function updates the object that are already present in the provision @@ -966,8 +978,8 @@ def update_present(ref_samdb, samdb, basedn, listPresent, usns, invocationid): (ie. DC=foo, DC=bar) :param listPresent: A list of object that is present in the provision :param usns: A list of USN range modified by previous provision and - upgradeprovision - :param invocationid: The value of the invocationid for the current DC""" + upgradeprovision grouped by invocation ID + """ # This hash is meant to speedup lookup of attribute name from an oid, # it's for the replPropertyMetaData handling @@ -1026,10 +1038,10 @@ def update_present(ref_samdb, samdb, basedn, listPresent, usns, invocationid): # We put in this hash only modification # made on the current host att = hash_oid_name[samdb.get_oid_from_attid(o.attid)] - if str(o.originating_invocation_id) == str(invocationid): - # Note we could just use 1 here - hash_attr_usn[att] = o.originating_usn + if str(o.originating_invocation_id) in usns.keys(): + hash_attr_usn[att] = [o.originating_usn, str(o.originating_invocation_id)] else: + hash_attr_usn[att] = [-1, None] if usns is not None: delta = checkKeepAttributeWithMetadata(delta, att, message, reference, @@ -1160,7 +1172,7 @@ def update_partition(ref_samdb, samdb, basedn, names, schema, provisionUSNs, pre message(SIMPLE, "Schema reloaded!") changed = update_present(ref_samdb, samdb, basedn, listPresent, - provisionUSNs, names.invocation) + provisionUSNs) message(SIMPLE, "There are %d changed objects" % (changed)) return 1 @@ -1665,9 +1677,19 @@ if __name__ == '__main__': # 4) lastProvisionUSNs = get_last_provision_usn(ldbs.sam) if lastProvisionUSNs is not None: + v = 0 + for k in lastProvisionUSNs.keys(): + for r in lastProvisionUSNs[k]: + v = v + 1 + message(CHANGE, - "Find a last provision USN, %d range(s)" % len(lastProvisionUSNs)) + "Find last provision USN, %d invocation(s) for a total of %d ranges" % \ + (len(lastProvisionUSNs.keys()), v /2 )) + if lastProvisionUSNs.get("default") != None: + message(CHANGE, "Old style for usn ranges used") + lastProvisionUSNs[str(names.invocation)] = lastProvisionUSNs["default"] + del lastProvisionUSNs["default"] # Objects will be created with the admin session # (not anymore system session) adm_session = admin_session(lp, str(names.domainsid)) @@ -1853,7 +1875,7 @@ if __name__ == '__main__': check_for_DNS(newpaths.private_dir, paths.private_dir) # 22) if lastProvisionUSNs is not None: - update_provision_usn(ldbs.sam, minUSN, maxUSN) + update_provision_usn(ldbs.sam, minUSN, maxUSN, names.invocation) if opts.full and (names.policyid is None or names.policyid_dc is None): update_policyids(names, ldbs.sam) if opts.full or opts.resetfileacl or opts.fixntacl: diff --git a/source4/scripting/python/samba/provision/__init__.py b/source4/scripting/python/samba/provision/__init__.py index 0d39befc266..7c9f223d111 100644 --- a/source4/scripting/python/samba/provision/__init__.py +++ b/source4/scripting/python/samba/provision/__init__.py @@ -322,7 +322,7 @@ def find_provision_key_parameters(samdb, secretsdb, idmapdb, paths, smbconf, lp) raise ProvisioningError("Unable to find uid/gid for Domain Admins rid") return names -def update_provision_usn(samdb, low, high, replace=False): +def update_provision_usn(samdb, low, high, id, replace=False): """Update the field provisionUSN in sam.ldb This field is used to track range of USN modified by provision and @@ -333,6 +333,7 @@ def update_provision_usn(samdb, low, high, replace=False): :param samdb: An LDB object connect to sam.ldb :param low: The lowest USN modified by this upgrade :param high: The highest USN modified by this upgrade + :param id: The invocation id of the samba's dc :param replace: A boolean indicating if the range should replace any existing one or appended (default) """ @@ -344,17 +345,24 @@ def update_provision_usn(samdb, low, high, replace=False): scope=ldb.SCOPE_SUBTREE, attrs=[LAST_PROVISION_USN_ATTRIBUTE, "dn"]) for e in entry[0][LAST_PROVISION_USN_ATTRIBUTE]: + if not re.search(';', e): + e = "%s;%s" % (e, id) tab.append(str(e)) - tab.append("%s-%s" % (low, high)) + tab.append("%s-%s;%s" % (low, high, id)) delta = ldb.Message() delta.dn = ldb.Dn(samdb, "@PROVISION") delta[LAST_PROVISION_USN_ATTRIBUTE] = ldb.MessageElement(tab, ldb.FLAG_MOD_REPLACE, LAST_PROVISION_USN_ATTRIBUTE) + entry = samdb.search(expression="(&(dn=@PROVISION)(provisionnerID=*))", + base="", scope=ldb.SCOPE_SUBTREE, + attrs=["provisionnerID"]) + if len(entry) == 0 or len(entry[0]) == 0: + delta["provisionnerID"] = ldb.MessageElement(id, ldb.FLAG_MOD_ADD, "provisionnerID") samdb.modify(delta) -def set_provision_usn(samdb, low, high): +def set_provision_usn(samdb, low, high, id): """Set the field provisionUSN in sam.ldb This field is used to track range of USN modified by provision and upgradeprovision. @@ -363,9 +371,12 @@ def set_provision_usn(samdb, low, high): :param samdb: An LDB object connect to sam.ldb :param low: The lowest USN modified by this upgrade - :param high: The highest USN modified by this upgrade""" + :param high: The highest USN modified by this upgrade + :param id: The invocationId of the provision""" + tab = [] - tab.append("%s-%s" % (low, high)) + tab.append("%s-%s;%s" % (low, high, id)) + delta = ldb.Message() delta.dn = ldb.Dn(samdb, "@PROVISION") delta[LAST_PROVISION_USN_ATTRIBUTE] = ldb.MessageElement(tab, @@ -390,25 +401,36 @@ def get_max_usn(samdb,basedn): def get_last_provision_usn(sam): - """Get the lastest USN modified by a provision or an upgradeprovision + """Get USNs ranges modified by a provision or an upgradeprovision :param sam: An LDB object pointing to the sam.ldb - :return: an integer corresponding to the highest USN modified by - (upgrade)provision, 0 is this value is unknown + :return: a dictionnary which keys are invocation id and values are an array + of integer representing the different ranges """ entry = sam.search(expression="(&(dn=@PROVISION)(%s=*))" % LAST_PROVISION_USN_ATTRIBUTE, base="", scope=ldb.SCOPE_SUBTREE, - attrs=[LAST_PROVISION_USN_ATTRIBUTE]) + attrs=[LAST_PROVISION_USN_ATTRIBUTE, "provisionnerID"]) if len(entry): - range = [] - idx = 0 + myids = [] + range = {} p = re.compile(r'-') + if entry[0].get("provisionnerID"): + for e in entry[0]["provisionnerID"]: + myids.append(str(e)) for r in entry[0][LAST_PROVISION_USN_ATTRIBUTE]: - tab = p.split(str(r)) - range.append(tab[0]) - range.append(tab[1]) - idx = idx + 1 + tab1 = str(r).split(';') + if len(tab1) == 2: + id = tab1[1] + else: + id = "default" + if (len(myids) > 0 and id not in myids): + continue + tab2 = p.split(tab1[0]) + if range.get(id) == None: + range[id] = [] + range[id].append(tab2[0]) + range[id].append(tab2[1]) return range else: return None @@ -1780,9 +1802,9 @@ def provision(logger, session_info, credentials, smbconf=None, lastProvisionUSNs = get_last_provision_usn(samdb) maxUSN = get_max_usn(samdb, str(names.rootdn)) if lastProvisionUSNs is not None: - update_provision_usn(samdb, 0, maxUSN, 1) + update_provision_usn(samdb, 0, maxUSN, invocationid, 1) else: - set_provision_usn(samdb, 0, maxUSN) + set_provision_usn(samdb, 0, maxUSN, invocationid) create_krb5_conf(paths.krb5conf, dnsdomain=names.dnsdomain, hostname=names.hostname, -- 2.34.1