@Override
public void startPersistence() {
if (readOnlyRunning) {
throw new IllegalStateException(
"Cannot start read-only when already running with persistence");
}
LOG.debug(
"Starting persistence (" + this + "), mgmt " + managementContext.getManagementNodeId());
if (!persistenceRunning) {
if (managementContext
.getBrooklynProperties()
.getConfig(BrooklynServerConfig.PERSISTENCE_BACKUPS_REQUIRED_ON_PROMOTION)) {
BrooklynPersistenceUtils.createBackup(
managementContext, CreateBackupMode.PROMOTION, MementoCopyMode.REMOTE);
}
}
persistenceRunning = true;
readOnlyRebindCount.set(Integer.MIN_VALUE);
persistenceStoreAccess.enableWriteAccess();
if (persistenceRealChangeListener != null) persistenceRealChangeListener.start();
}
public static Collection<Application> rebindAll(RebindOptions options) throws Exception {
File mementoDir = options.mementoDir;
File mementoDirBackup = options.mementoDirBackup;
ClassLoader classLoader = checkNotNull(options.classLoader, "classLoader");
ManagementContextInternal origManagementContext =
(ManagementContextInternal) options.origManagementContext;
ManagementContextInternal newManagementContext =
(ManagementContextInternal) options.newManagementContext;
PersistenceObjectStore objectStore = options.objectStore;
HighAvailabilityMode haMode =
(options.haMode == null ? HighAvailabilityMode.DISABLED : options.haMode);
RebindExceptionHandler exceptionHandler = options.exceptionHandler;
boolean hasPersister =
newManagementContext != null
&& newManagementContext.getRebindManager().getPersister() != null;
boolean checkSerializable = options.checkSerializable;
boolean terminateOrigManagementContext = options.terminateOrigManagementContext;
Function<BrooklynMementoPersister, Void> stateTransformer = options.stateTransformer;
LOG.info("Rebinding app, using mementoDir " + mementoDir + "; object store " + objectStore);
if (newManagementContext == null) {
// TODO Could use empty properties, to save reading brooklyn.properties file.
// Would that affect any tests?
newManagementContext =
new LocalManagementContextForTests(BrooklynProperties.Factory.newDefault());
}
if (!hasPersister) {
if (objectStore == null) {
objectStore =
new FileBasedObjectStore(
checkNotNull(mementoDir, "mementoDir and objectStore must not both be null"));
}
objectStore.injectManagementContext(newManagementContext);
objectStore.prepareForSharedUse(PersistMode.AUTO, haMode);
BrooklynMementoPersisterToObjectStore newPersister =
new BrooklynMementoPersisterToObjectStore(
objectStore, newManagementContext.getBrooklynProperties(), classLoader);
newManagementContext
.getRebindManager()
.setPersister(newPersister, PersistenceExceptionHandlerImpl.builder().build());
} else {
if (objectStore != null)
throw new IllegalStateException(
"Must not supply ManagementContext with persister and an object store");
}
if (checkSerializable) {
checkNotNull(
origManagementContext, "must supply origManagementContext with checkSerializable");
RebindTestUtils.checkCurrentMementoSerializable(origManagementContext);
}
if (terminateOrigManagementContext) {
checkNotNull(
origManagementContext,
"must supply origManagementContext with terminateOrigManagementContext");
origManagementContext.terminate();
}
if (mementoDirBackup != null) {
FileUtil.copyDir(mementoDir, mementoDirBackup);
FileUtil.setFilePermissionsTo700(mementoDirBackup);
}
if (stateTransformer != null) {
BrooklynMementoPersister persister = newManagementContext.getRebindManager().getPersister();
stateTransformer.apply(persister);
}
List<Application> newApps =
newManagementContext
.getRebindManager()
.rebind(
classLoader,
exceptionHandler,
(haMode == HighAvailabilityMode.DISABLED)
? ManagementNodeState.MASTER
: ManagementNodeState.of(haMode).get());
newManagementContext.getRebindManager().startPersistence();
return newApps;
}