public static void handleClusterTerminatedEvent(ClusterStatusClusterTerminatedEvent event) {
TopologyManager.acquireWriteLock();
try {
Topology topology = TopologyManager.getTopology();
Service service = topology.getService(event.getServiceName());
// update the status of the cluster
if (service == null) {
log.warn(String.format("Service %s does not exist", event.getServiceName()));
return;
}
Cluster cluster = service.getCluster(event.getClusterId());
if (cluster == null) {
log.warn(String.format("Cluster %s does not exist", event.getClusterId()));
return;
}
ClusterInstance context = cluster.getInstanceContexts(event.getInstanceId());
if (context == null) {
log.warn(
"Cluster Instance Context is not found for [cluster] "
+ event.getClusterId()
+ " [instance-id] "
+ event.getInstanceId());
return;
}
ClusterStatus status = ClusterStatus.Terminated;
if (context.isStateTransitionValid(status)) {
context.setStatus(status);
log.info(
"Cluster Terminated adding status started for and removing the cluster instance"
+ cluster.getClusterId());
cluster.removeInstanceContext(event.getInstanceId());
TopologyManager.updateTopology(topology);
// publishing data
ClusterInstanceTerminatedEvent clusterTerminatedEvent =
new ClusterInstanceTerminatedEvent(
event.getAppId(),
event.getServiceName(),
event.getClusterId(),
event.getInstanceId());
TopologyEventPublisher.sendClusterTerminatedEvent(clusterTerminatedEvent);
} else {
log.error(
String.format(
"Cluster state transition is not valid: [cluster-id] %s "
+ " [instance-id] %s [current-status] %s [status-requested] %s",
event.getClusterId(), event.getInstanceId(), context.getStatus(), status));
return;
}
} finally {
TopologyManager.releaseWriteLock();
}
}
public static void handleClusterTerminatingEvent(ClusterStatusClusterTerminatingEvent event) {
TopologyManager.acquireWriteLock();
try {
Topology topology = TopologyManager.getTopology();
Cluster cluster =
topology.getService(event.getServiceName()).getCluster(event.getClusterId());
if (!cluster.isStateTransitionValid(ClusterStatus.Terminating, event.getInstanceId())) {
log.error(
"Invalid state transfer from "
+ cluster.getStatus(event.getInstanceId())
+ " to "
+ ClusterStatus.Terminating);
}
ClusterInstance context = cluster.getInstanceContexts(event.getInstanceId());
if (context == null) {
log.warn(
"Cluster Instance Context is not found for [cluster] "
+ event.getClusterId()
+ " [instance-id] "
+ event.getInstanceId());
return;
}
ClusterStatus status = ClusterStatus.Terminating;
if (context.isStateTransitionValid(status)) {
context.setStatus(status);
log.info("Cluster Terminating started for " + cluster.getClusterId());
TopologyManager.updateTopology(topology);
// publishing data
ClusterInstanceTerminatingEvent clusterTerminaingEvent =
new ClusterInstanceTerminatingEvent(
event.getAppId(),
event.getServiceName(),
event.getClusterId(),
event.getInstanceId());
TopologyEventPublisher.sendClusterTerminatingEvent(clusterTerminaingEvent);
// Remove kubernetes services if available
ClusterContext clusterContext =
CloudControllerContext.getInstance().getClusterContext(event.getClusterId());
if (StringUtils.isNotBlank(clusterContext.getKubernetesClusterId())) {
KubernetesIaas.removeKubernetesServices(event.getAppId(), event.getClusterId());
}
} else {
log.error(
String.format(
"Cluster state transition is not valid: [cluster-id] %s "
+ " [instance-id] %s [current-status] %s [status-requested] %s",
event.getClusterId(), event.getInstanceId(), context.getStatus(), status));
}
} finally {
TopologyManager.releaseWriteLock();
}
}
public static void handleClusterActivatedEvent(
ClusterStatusClusterActivatedEvent clusterStatusClusterActivatedEvent) {
Topology topology = TopologyManager.getTopology();
Service service = topology.getService(clusterStatusClusterActivatedEvent.getServiceName());
// update the status of the cluster
if (service == null) {
log.warn(
String.format(
"Service %s does not exist", clusterStatusClusterActivatedEvent.getServiceName()));
return;
}
Cluster cluster = service.getCluster(clusterStatusClusterActivatedEvent.getClusterId());
if (cluster == null) {
log.warn(
String.format(
"Cluster %s does not exist", clusterStatusClusterActivatedEvent.getClusterId()));
return;
}
String clusterId = cluster.getClusterId();
ClusterContext clusterContext =
CloudControllerContext.getInstance().getClusterContext(clusterId);
if (clusterContext == null) {
log.warn("Cluster context not found: [cluster-id] " + clusterId);
return;
}
ClusterInstanceActivatedEvent clusterInstanceActivatedEvent =
new ClusterInstanceActivatedEvent(
clusterStatusClusterActivatedEvent.getAppId(),
clusterStatusClusterActivatedEvent.getServiceName(),
clusterStatusClusterActivatedEvent.getClusterId(),
clusterStatusClusterActivatedEvent.getInstanceId());
try {
TopologyManager.acquireWriteLock();
List<KubernetesService> kubernetesServices = clusterContext.getKubernetesServices();
cluster.setKubernetesServices(kubernetesServices);
if (kubernetesServices != null) {
// Set kubernetes services
cluster.setKubernetesServices(kubernetesServices);
try {
// Generate access URLs for kubernetes services
for (KubernetesService kubernetesService : kubernetesServices) {
if (kubernetesService.getServiceType().equals(KubernetesConstants.NODE_PORT)) {
// Public IP = Kubernetes minion public IP
String[] publicIPs = kubernetesService.getPublicIPs();
if ((publicIPs != null) && (publicIPs.length > 0)) {
for (String publicIP : publicIPs) {
// There can be a String array with null values
if (publicIP != null) {
// Using type URI since only http, https, ftp, file, jar protocols are supported
// in URL
URI accessURL =
new URI(
kubernetesService.getProtocol(),
null,
publicIP,
kubernetesService.getPort(),
null,
null,
null);
cluster.addAccessUrl(accessURL.toString());
clusterInstanceActivatedEvent.addAccessUrl(accessURL.toString());
} else {
log.error(
String.format(
"Could not create access URL for [Kubernetes-service] %s , "
+ "since Public IP is not available",
kubernetesService.getId()));
}
}
}
}
}
} catch (URISyntaxException e) {
log.error("Could not create access URLs for Kubernetes services", e);
}
}
ClusterInstance context =
cluster.getInstanceContexts(clusterStatusClusterActivatedEvent.getInstanceId());
if (context == null) {
log.warn(
"Cluster instance context is not found for [cluster] "
+ clusterStatusClusterActivatedEvent.getClusterId()
+ " [instance-id] "
+ clusterStatusClusterActivatedEvent.getInstanceId());
return;
}
ClusterStatus status = ClusterStatus.Active;
if (context.isStateTransitionValid(status)) {
context.setStatus(status);
log.info("Cluster activated adding status started for " + cluster.getClusterId());
TopologyManager.updateTopology(topology);
// publish event
TopologyEventPublisher.sendClusterActivatedEvent(clusterInstanceActivatedEvent);
} else {
log.error(
String.format(
"Cluster state transition is not valid: [cluster-id] %s "
+ " [instance-id] %s [current-status] %s [status-requested] %s",
clusterStatusClusterActivatedEvent.getClusterId(),
clusterStatusClusterActivatedEvent.getInstanceId(),
context.getStatus(),
status));
return;
}
} finally {
TopologyManager.releaseWriteLock();
}
}