/** DNodes are informed to stop the deployment, as something failed. */
public void abortDeploy(List<String> dnodes, long version) {
for (String dnode : dnodes) {
DNodeService.Client client = null;
try {
client = context.getDNodeClient(dnode, false);
client.abortDeploy(version);
} catch (Exception e) {
log.error("Error sending abort deploy flag to DNode [" + dnode + "]", e);
} finally {
if (client != null) {
client.getOutputProtocol().getTransport().close();
}
}
}
CoordinationStructures.DEPLOY_IN_PROGRESS.decrementAndGet();
}
@Override
public void run() {
log.info(
context.getConfig().getProperty(QNodeProperties.PORT)
+ " Executing deploy for version ["
+ version
+ "]");
CoordinationStructures.DEPLOY_IN_PROGRESS.incrementAndGet();
try {
long waitSeconds = 0;
ICountDownLatch countDownLatchForDeploy =
context.getCoordinationStructures().getCountDownLatchForDeploy(version);
boolean finished;
do {
finished =
countDownLatchForDeploy.await(secondsToCheckFailureOrTimeout, TimeUnit.SECONDS);
waitSeconds += secondsToCheckFailureOrTimeout;
if (!finished) {
// If any of the DNodes failed, then we cancel the deployment.
if (checkForFailure()) {
explainErrors();
abortDeploy(dnodes, version);
return;
}
// Let's see if we reached the timeout.
// Negative timeoutSeconds => waits forever
if (waitSeconds > timeoutSeconds && timeoutSeconds >= 0) {
log.warn(
"Deploy of version ["
+ version
+ "] timed out. Reached ["
+ waitSeconds
+ "] seconds.");
abortDeploy(dnodes, version);
return;
}
}
} while (!finished);
log.info(
"All DNodes performed the deploy of version ["
+ version
+ "]. Publishing tablespaces...");
// We finish by publishing the versions table with the new versions.
try {
switchVersions(switchActions());
} catch (UnexistingVersion e) {
throw new RuntimeException(
"Unexisting version after deploying this version. Sounds like a bug.", e);
}
log.info("Deploy of version [" + version + "] Finished PROPERLY. :-)");
// After a deploy we must synchronize tablespace versions to see if we have to remove some.
context.synchronizeTablespaceVersions();
CoordinationStructures.DEPLOY_IN_PROGRESS.decrementAndGet();
} catch (MemberLeftException e) {
log.error("Error while deploying version [" + version + "]", e);
abortDeploy(dnodes, version);
} catch (InstanceDestroyedException e) {
log.error("Error while deploying version [" + version + "]", e);
abortDeploy(dnodes, version);
} catch (InterruptedException e) {
log.error("Error while deploying version [" + version + "]", e);
abortDeploy(dnodes, version);
} catch (Throwable t) {
t.printStackTrace();
throw new RuntimeException(t);
}
}