/**
* Remove kubernetes services if available for application cluster.
*
* @param applicationId
* @param clusterId
*/
public static void removeKubernetesServices(String applicationId, String clusterId) {
ClusterContext clusterContext =
CloudControllerContext.getInstance().getClusterContext(clusterId);
if (clusterContext != null) {
String kubernetesClusterId = clusterContext.getKubernetesClusterId();
if (org.apache.commons.lang3.StringUtils.isNotBlank(kubernetesClusterId)) {
KubernetesClusterContext kubernetesClusterContext =
CloudControllerContext.getInstance().getKubernetesClusterContext(kubernetesClusterId);
if (kubernetesClusterContext != null) {
KubernetesApiClient kubernetesApiClient = kubernetesClusterContext.getKubApi();
for (KubernetesService kubernetesService : clusterContext.getKubernetesServices()) {
log.info(
String.format(
"Deleting kubernetes service: [application-id] %s " + "[service-id] %s",
applicationId, kubernetesService.getId()));
try {
kubernetesApiClient.deleteService(kubernetesService.getId());
} catch (KubernetesClientException e) {
log.error(
String.format(
"Could not delete kubernetes service: [application-id] %s "
+ "[service-id] %s",
applicationId, kubernetesService.getId()));
}
}
}
}
}
}
/**
* Terminate all the containers belong to a cluster by cluster id.
*
* @param clusterId
* @return
* @throws InvalidClusterException
*/
public MemberContext[] terminateContainers(String clusterId) throws InvalidClusterException {
Lock lock = null;
try {
lock = CloudControllerContext.getInstance().acquireMemberContextWriteLock();
ClusterContext clusterContext =
CloudControllerContext.getInstance().getClusterContext(clusterId);
handleNullObject(
clusterContext,
"Could not terminate containers, cluster not found: [cluster-id] " + clusterId);
String kubernetesClusterId = clusterContext.getKubernetesClusterId();
handleNullObject(
kubernetesClusterId,
"Could not terminate containers, kubernetes cluster id not found: "
+ "[cluster-id] "
+ clusterId);
KubernetesClusterContext kubClusterContext =
CloudControllerContext.getInstance().getKubernetesClusterContext(kubernetesClusterId);
handleNullObject(
kubClusterContext,
"Could not terminate containers, kubernetes cluster not found: "
+ "[kubernetes-cluster-id] "
+ kubernetesClusterId);
KubernetesApiClient kubApi = kubClusterContext.getKubApi();
// Remove kubernetes services
List<KubernetesService> kubernetesServices = clusterContext.getKubernetesServices();
if (kubernetesServices != null) {
for (KubernetesService kubernetesService : kubernetesServices) {
try {
kubApi.deleteService(kubernetesService.getId());
int allocatedPort = kubernetesService.getPort();
kubClusterContext.deallocatePort(allocatedPort);
} catch (KubernetesClientException e) {
log.error("Could not remove kubernetes service: [cluster-id] " + clusterId, e);
}
}
}
List<MemberContext> memberContextsRemoved = new ArrayList<MemberContext>();
List<MemberContext> memberContexts =
CloudControllerContext.getInstance().getMemberContextsOfClusterId(clusterId);
if (memberContexts != null) {
for (MemberContext memberContext : memberContexts) {
try {
MemberContext memberContextRemoved = terminateContainer(memberContext.getMemberId());
memberContextsRemoved.add(memberContextRemoved);
} catch (MemberTerminationFailedException e) {
String message =
"Could not terminate container: [member-id] " + memberContext.getMemberId();
log.error(message);
}
}
}
// Persist changes
CloudControllerContext.getInstance().persist();
return memberContextsRemoved.toArray(new MemberContext[memberContextsRemoved.size()]);
} finally {
if (lock != null) {
CloudControllerContext.getInstance().releaseWriteLock(lock);
}
}
}