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[KEYCLOAK-8253] When syncing flat (all groups being the top-level ones) structure

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of LDAP groups from federation provider to Keycloak, perform the search if the
currently processed group already exists in Keycloak in log(N) time

Signed-off-by: Jan Lieskovsky <jlieskov@redhat.com>
This commit is contained in:
Jan Lieskovsky 2019-09-12 11:42:56 +02:00 committed by Marek Posolda
parent cfb225b499
commit 7ab854fecf
2 changed files with 60 additions and 11 deletions
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67
federation/ldap/src/main/java/org/keycloak/storage/ldap/mappers/membership/group/GroupLDAPStorageMapper.java
View file

@ -45,6 +45,8 @@ import org.keycloak.storage.ldap.mappers.membership.MembershipType;
import org.keycloak.storage.ldap.mappers.membership.UserRolesRetrieveStrategy;
import org.keycloak.storage.user.SynchronizationResult;
import java.util.Arrays;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
@ -213,21 +215,68 @@ public class GroupLDAPStorageMapper extends AbstractLDAPStorageMapper implements
// due to the realm cache being bloated with huge amount of (temporary) realm entities
RealmModel currentRealm = session.realms().getRealm(realm.getId());
// List of top-level groups known to the whole transaction
ArrayList<GroupModel> transactionTopLevelGroups = new ArrayList<GroupModel>(currentRealm.getTopLevelGroups());
String[] transactionBinarySearchTopLevelGroupsArray = transactionTopLevelGroups.parallelStream().map(g -> g.getName()).toArray(String[]::new);
for (Map.Entry<String, LDAPObject> groupEntry : groupsInTransaction.entrySet()) {
String groupName = groupEntry.getKey();
GroupModel kcExistingGroup = KeycloakModelUtils.findGroupByPath(currentRealm, "/" + groupName);
// Binary search the list of top-level groups known to the outer transaction for presence of the currently processed group
int transactionBinarySearchResult = Arrays.binarySearch(transactionBinarySearchTopLevelGroupsArray, groupName);
GroupModel kcExistingGroup = (transactionBinarySearchResult > 0) ? transactionTopLevelGroups.get(transactionBinarySearchResult) : null;
if (kcExistingGroup != null) {
updateAttributesOfKCGroup(kcExistingGroup, groupEntry.getValue());
syncResult.increaseUpdated();
visitedGroupIds.add(kcExistingGroup.getId());
try {
// Update each existing group to be synced in its own inner transaction to prevent race condition when
// the groups intended to be updated was already deleted via other channel in the meantime
KeycloakModelUtils.runJobInTransaction(ldapProvider.getSession().getKeycloakSessionFactory(), new KeycloakSessionTask() {
@Override
public void run(KeycloakSession session) {
updateAttributesOfKCGroup(kcExistingGroup, groupEntry.getValue());
syncResult.increaseUpdated();
visitedGroupIds.add(kcExistingGroup.getId());
}
});
} catch (ModelException me) {
logger.error(String.format("Failed to update attributes of LDAP group %s: ", groupName), me);
syncResult.increaseFailed();
}
} else {
GroupModel kcGroup = currentRealm.createGroup(groupName);
updateAttributesOfKCGroup(kcGroup, groupEntry.getValue());
currentRealm.moveGroup(kcGroup, null);
syncResult.increaseAdded();
visitedGroupIds.add(kcGroup.getId());
try {
// Create each non-existing group to be synced in its own inner transaction to prevent race condition when
// the roup intended to be created was already created via other channel in the meantime
KeycloakModelUtils.runJobInTransaction(ldapProvider.getSession().getKeycloakSessionFactory(), new KeycloakSessionTask() {
@Override
public void run(KeycloakSession session) {
RealmModel innerTransactionRealm = session.realms().getRealm(realm.getId());
GroupModel kcGroup = innerTransactionRealm.createGroup(groupName);
updateAttributesOfKCGroup(kcGroup, groupEntry.getValue());
innerTransactionRealm.moveGroup(kcGroup, null);
syncResult.increaseAdded();
visitedGroupIds.add(kcGroup.getId());
}
});
} catch (ModelException me) {
logger.error(String.format("Failed to sync group %s from LDAP: ", groupName), me);
syncResult.increaseFailed();
}
}
}
}

4
testsuite/integration-arquillian/tests/base/src/test/java/org/keycloak/testsuite/federation/ldap/LDAPGroupMapperSyncTest.java
View file

@ -422,9 +422,9 @@ public class LDAPGroupMapperSyncTest extends AbstractLDAPTest {
LDAPTestUtils.createLDAPGroup(session,
appRealm,
ctx.getLdapModel(),
String.format("group-%s", i),
String.format("group-%s", j),
descriptionAttrName,
String.format("Testing group-%s, created at: %s", i, new Date().toString())
String.format("Testing group-%s, created at: %s", j, new Date().toString())
);
}
logger.debugf("Done creating %s LDAP groups!", groupsPerIteration);