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(Updated April 3, 2014, 3:54 p.m.) Review request for cloudstack. Changes ------- This is the patch for the new plugin. Repository: cloudstack-git Description ------- Currently, under the environment of cloudstack with multiple regions, each region has its own management server running with a separate database, which will cause data discrepancies when users create/update/delete domain/account/user data independently in each management server. So to support multiple regions and provide one point of entry for each customer, this implementation duplicates domain/account/user information of customers in one region to all of the regions independently whenever there is any change. https://issues.apache.org/jira/browse/CLOUDSTACK-4992 https://cwiki.apache.org/confluence/display/CLOUDSTACK/Domain-Account-User+Sync+Up+Among+Multiple+Regions Diffs (updated) ----- plugins/event-bus/multiregion/pom.xml PRE-CREATION plugins/event-bus/multiregion/resources/META-INF/cloudstack/spring-mom-multiregion-daos-context.xml PRE-CREATION plugins/event-bus/multiregion/resources/META-INF/cloudstack/system/spring-plugin-multiregion-system-context.xml PRE-CREATION plugins/event-bus/multiregion/src/org/apache/cloudstack/mom/multiregion/FullSyncer.java PRE-CREATION plugins/event-bus/multiregion/src/org/apache/cloudstack/mom/multiregion/InjectedCollection.java PRE-CREATION plugins/event-bus/multiregion/src/org/apache/cloudstack/mom/multiregion/MultiRegionEventBus.java PRE-CREATION plugins/event-bus/multiregion/src/org/apache/cloudstack/mom/multiregion/api/AccountInterface.java PRE-CREATION plugins/event-bus/multiregion/src/org/apache/cloudstack/mom/multiregion/api/BaseInterface.java PRE-CREATION plugins/event-bus/multiregion/src/org/apache/cloudstack/mom/multiregion/api/DomainInterface.java PRE-CREATION plugins/event-bus/multiregion/src/org/apache/cloudstack/mom/multiregion/api/UserInterface.java PRE-CREATION plugins/event-bus/multiregion/src/org/apache/cloudstack/mom/multiregion/service/AccountFullSyncProcessor.java PRE-CREATION plugins/event-bus/multiregion/src/org/apache/cloudstack/mom/multiregion/service/AccountService.java PRE-CREATION plugins/event-bus/multiregion/src/org/apache/cloudstack/mom/multiregion/service/BaseService.java PRE-CREATION plugins/event-bus/multiregion/src/org/apache/cloudstack/mom/multiregion/service/DomainFullSyncProcessor.java PRE-CREATION plugins/event-bus/multiregion/src/org/apache/cloudstack/mom/multiregion/service/DomainService.java PRE-CREATION plugins/event-bus/multiregion/src/org/apache/cloudstack/mom/multiregion/service/FullScanner.java PRE-CREATION plugins/event-bus/multiregion/src/org/apache/cloudstack/mom/multiregion/service/FullSyncProcessor.java PRE-CREATION plugins/event-bus/multiregion/src/org/apache/cloudstack/mom/multiregion/service/LocalAccountManager.java PRE-CREATION plugins/event-bus/multiregion/src/org/apache/cloudstack/mom/multiregion/service/LocalDomainManager.java PRE-CREATION plugins/event-bus/multiregion/src/org/apache/cloudstack/mom/multiregion/service/LocalUserManager.java PRE-CREATION plugins/event-bus/multiregion/src/org/apache/cloudstack/mom/multiregion/service/RemoteAccountEventProcessor.java PRE-CREATION plugins/event-bus/multiregion/src/org/apache/cloudstack/mom/multiregion/service/RemoteDomainEventProcessor.java PRE-CREATION plugins/event-bus/multiregion/src/org/apache/cloudstack/mom/multiregion/service/RemoteEventProcessor.java PRE-CREATION plugins/event-bus/multiregion/src/org/apache/cloudstack/mom/multiregion/service/RemoteUserEventProcessor.java PRE-CREATION plugins/event-bus/multiregion/src/org/apache/cloudstack/mom/multiregion/service/UserFullSyncProcessor.java PRE-CREATION plugins/event-bus/multiregion/src/org/apache/cloudstack/mom/multiregion/service/UserService.java PRE-CREATION plugins/event-bus/multiregion/src/org/apache/cloudstack/mom/multiregion/simulator/SimulatorAccountLocalGenerator.java PRE-CREATION plugins/event-bus/multiregion/src/org/apache/cloudstack/mom/multiregion/simulator/SimulatorAccountLocalGeneratorEvent.java PRE-CREATION plugins/event-bus/multiregion/src/org/apache/cloudstack/mom/multiregion/simulator/SimulatorAutoGenerator.java PRE-CREATION plugins/event-bus/multiregion/src/org/apache/cloudstack/mom/multiregion/simulator/SimulatorDomainLocalGenerator.java PRE-CREATION plugins/event-bus/multiregion/src/org/apache/cloudstack/mom/multiregion/simulator/SimulatorDomainLocalGeneratorEvent.java PRE-CREATION plugins/event-bus/multiregion/src/org/apache/cloudstack/mom/multiregion/simulator/SimulatorLocalGenerator.java PRE-CREATION plugins/event-bus/multiregion/src/org/apache/cloudstack/mom/multiregion/simulator/SimulatorUserLocalGenerator.java PRE-CREATION plugins/event-bus/multiregion/src/org/apache/cloudstack/mom/multiregion/simulator/SimulatorUserLocalGeneratorEvent.java PRE-CREATION plugins/event-bus/multiregion/src/org/apache/cloudstack/mom/multiregion/subscriber/AccountSubscriber.java PRE-CREATION plugins/event-bus/multiregion/src/org/apache/cloudstack/mom/multiregion/subscriber/DomainSubscriber.java PRE-CREATION plugins/event-bus/multiregion/src/org/apache/cloudstack/mom/multiregion/subscriber/MultiRegionSubscriber.java PRE-CREATION plugins/event-bus/multiregion/src/org/apache/cloudstack/mom/multiregion/subscriber/UserSubscriber.java PRE-CREATION plugins/event-bus/multiregion/test/org/apache/cloudstack/mom/multiregion/api/AccountInterfaceTest.java PRE-CREATION plugins/event-bus/multiregion/test/org/apache/cloudstack/mom/multiregion/api/BaseInterfaceTest.java PRE-CREATION plugins/event-bus/multiregion/test/org/apache/cloudstack/mom/multiregion/api/DomainInterfaceTest.java PRE-CREATION plugins/event-bus/multiregion/test/org/apache/cloudstack/mom/multiregion/api/UserInterfaceTest.java PRE-CREATION plugins/event-bus/multiregion/test/org/apache/cloudstack/mom/multiregion/service/AccountFullSyncProcessorTest.java PRE-CREATION plugins/event-bus/multiregion/test/org/apache/cloudstack/mom/multiregion/service/BaseServiceTest.java PRE-CREATION plugins/event-bus/multiregion/test/org/apache/cloudstack/mom/multiregion/service/DomainFullSyncProcessorTest.java PRE-CREATION plugins/event-bus/multiregion/test/org/apache/cloudstack/mom/multiregion/service/RemoteAccountEventProcessorTest.java PRE-CREATION plugins/event-bus/multiregion/test/org/apache/cloudstack/mom/multiregion/service/RemoteDomainEventProcessorTest.java PRE-CREATION plugins/event-bus/multiregion/test/org/apache/cloudstack/mom/multiregion/service/RemoteUserEventProcessorTest.java PRE-CREATION plugins/event-bus/multiregion/test/org/apache/cloudstack/mom/multiregion/service/UserFullSyncProcessorTest.java PRE-CREATION plugins/event-bus/multiregion/test/org/apache/cloudstack/mom/multiregion/simulator/SimulatorAccountLocalGeneratorEventTest.java PRE-CREATION plugins/event-bus/multiregion/test/org/apache/cloudstack/mom/multiregion/simulator/SimulatorAccountLocalGeneratorTest.java PRE-CREATION plugins/event-bus/multiregion/test/org/apache/cloudstack/mom/multiregion/simulator/SimulatorDomainLocalGeneratorEventTest.java PRE-CREATION plugins/event-bus/multiregion/test/org/apache/cloudstack/mom/multiregion/simulator/SimulatorDomainLocalGeneratorTest.java PRE-CREATION plugins/event-bus/multiregion/test/org/apache/cloudstack/mom/multiregion/simulator/SimulatorLocalGeneratorTest.java PRE-CREATION plugins/event-bus/multiregion/test/org/apache/cloudstack/mom/multiregion/simulator/SimulatorUserLocalGeneratorEventTest.java PRE-CREATION plugins/event-bus/multiregion/test/org/apache/cloudstack/mom/multiregion/simulator/SimulatorUserLocalGeneratorTest.java PRE-CREATION plugins/event-bus/multiregion/test/org/apache/cloudstack/mom/multiregion/subscriber/AccountSubscriberTest.java PRE-CREATION plugins/event-bus/multiregion/test/org/apache/cloudstack/mom/multiregion/subscriber/DomainSubscriberTest.java PRE-CREATION plugins/event-bus/multiregion/test/org/apache/cloudstack/mom/multiregion/subscriber/MultiRegionSubscriberTest.java PRE-CREATION plugins/event-bus/multiregion/test/org/apache/cloudstack/mom/multiregion/subscriber/UserSubscriberTest.java PRE-CREATION Diff: https://reviews.apache.org/r/17790/diff/ Testing ------- 1. Successfully tested real time synchronization as soon as resources are created/deleted/modified in one region. 2. Successfully tested full scans to synchronize resources that were missed during real time synchronization because of any reasons like network connection issues. 3. The tests were done manually and also automatically by randomly generating changes each region. Thanks, Alex Ough
