/**
* Handles EIP binding process in AWS Cloud.
*
* @throws InterruptedException
*/
private void handleEIPBinding() throws InterruptedException {
int retries = serverConfig.getEIPBindRebindRetries();
// Bind to EIP if needed
for (int i = 0; i < retries; i++) {
try {
if (isEIPBound()) {
break;
} else {
bindEIP();
}
} catch (Throwable e) {
logger.error("Cannot bind to EIP", e);
Thread.sleep(EIP_BIND_SLEEP_TIME_MS);
}
}
// Schedule a timer which periodically checks for EIP binding.
timer.schedule(new EIPBindingTask(), serverConfig.getEIPBindingRetryIntervalMsWhenUnbound());
}
/**
* Gets the EC2 service object to call AWS APIs.
*
* @return the EC2 service object to call AWS APIs.
*/
private AmazonEC2 getEC2Service() {
String aWSAccessId = serverConfig.getAWSAccessId();
String aWSSecretKey = serverConfig.getAWSSecretKey();
AmazonEC2 ec2Service;
if (null != aWSAccessId
&& !"".equals(aWSAccessId)
&& null != aWSSecretKey
&& !"".equals(aWSSecretKey)) {
ec2Service = new AmazonEC2Client(new BasicAWSCredentials(aWSAccessId, aWSSecretKey));
} else {
ec2Service = new AmazonEC2Client(new InstanceProfileCredentialsProvider());
}
String region = clientConfig.getRegion();
region = region.trim().toLowerCase();
ec2Service.setEndpoint("ec2." + region + ".amazonaws.com");
return ec2Service;
}
@PreDestroy
public void shutdown() throws Exception {
timer.cancel();
for (int i = 0; i < serverConfig.getEIPBindRebindRetries(); i++) {
try {
unbindEIP();
break;
} catch (Exception e) {
logger.warn("Cannot unbind the EIP from the instance");
Thread.sleep(1000);
}
}
}
public static EurekaServerConfig newEurekaServerConfig() {
EurekaServerConfig config = mock(EurekaServerConfig.class);
// Cluster management related
when(config.getPeerEurekaNodesUpdateIntervalMs())
.thenReturn((int) EUREKA_NODES_UPDATE_INTERVAL_MS);
// Replication logic related
when(config.shouldSyncWhenTimestampDiffers()).thenReturn(true);
when(config.getMaxTimeForReplication()).thenReturn((int) REPLICATION_EXPIRY_TIME_MS);
when(config.getMaxElementsInPeerReplicationPool()).thenReturn(10);
when(config.getMaxElementsInStatusReplicationPool()).thenReturn(10);
when(config.getMaxThreadsForPeerReplication()).thenReturn(1);
when(config.getMaxThreadsForStatusReplication()).thenReturn(1);
return config;
}
