public static void handleServiceRemoved(List<Cartridge> cartridgeList) {
Topology topology = TopologyManager.getTopology();
for (Cartridge cartridge : cartridgeList) {
Service service = topology.getService(cartridge.getType());
if (service == null) {
log.warn("Cartridge does not exist [cartidge] " + cartridge);
return;
}
if (service.getClusters().size() == 0) {
if (topology.serviceExists(cartridge.getType())) {
try {
TopologyManager.acquireWriteLock();
topology.removeService(cartridge.getType());
TopologyManager.updateTopology(topology);
} finally {
TopologyManager.releaseWriteLock();
}
TopologyEventPublisher.sendServiceRemovedEvent(cartridgeList);
} else {
log.warn(String.format("Service %s does not exist..", cartridge.getType()));
}
} else {
log.warn(
"Subscription already exists. Hence not removing the service:"
+ cartridge.getType()
+ " from the topology");
}
}
}
/**
* Create new pod and pass environment variables.
*
* @param memberContext
* @param kubernetesApi
* @param kubernetesClusterContext
* @throws KubernetesClientException
*/
private void createPod(
ClusterContext clusterContext,
MemberContext memberContext,
KubernetesApiClient kubernetesApi,
KubernetesClusterContext kubernetesClusterContext)
throws KubernetesClientException {
String applicationId = memberContext.getApplicationId();
String cartridgeType = memberContext.getCartridgeType();
String clusterId = memberContext.getClusterId();
String memberId = memberContext.getMemberId();
if (log.isInfoEnabled()) {
log.info(
String.format(
"Creating kubernetes pod: [application] %s [cartridge] %s [member] %s",
applicationId, cartridgeType, memberId));
}
Partition partition = memberContext.getPartition();
if (partition == null) {
String message =
String.format(
"Partition not found in member context: [application] %s [cartridge] %s "
+ "[member] %s ",
applicationId, cartridgeType, memberId);
log.error(message);
throw new RuntimeException(message);
}
Cartridge cartridge = CloudControllerContext.getInstance().getCartridge(cartridgeType);
if (cartridge == null) {
String message = "Could not find cartridge: [cartridge] " + cartridgeType;
log.error(message);
throw new RuntimeException(message);
}
// Set default values to zero to avoid cpu and memory restrictions
int cpu = Integer.getInteger(KUBERNETES_CONTAINER_CPU_DEFAULT, 0);
int memory = Integer.getInteger(KUBERNETES_CONTAINER_MEMORY_DEFAULT, 0);
Property cpuProperty = cartridge.getProperties().getProperty(KUBERNETES_CONTAINER_CPU);
if (cpuProperty != null) {
cpu = Integer.parseInt(cpuProperty.getValue());
}
Property memoryProperty = cartridge.getProperties().getProperty(KUBERNETES_CONTAINER_MEMORY);
if (memoryProperty != null) {
memory = Integer.parseInt(memoryProperty.getValue());
}
IaasProvider iaasProvider =
CloudControllerContext.getInstance()
.getIaasProviderOfPartition(cartridge.getType(), partition.getId());
if (iaasProvider == null) {
String message = "Could not find iaas provider: [partition] " + partition.getId();
log.error(message);
throw new RuntimeException(message);
}
// Add dynamic payload to the member context
memberContext.setDynamicPayload(payload.toArray(new NameValuePair[payload.size()]));
// Create pod
long podSeqNo = kubernetesClusterContext.getPodSeqNo().incrementAndGet();
String podId = "pod" + "-" + podSeqNo;
String podLabel = KubernetesIaasUtil.fixSpecialCharacters(clusterId);
String dockerImage = iaasProvider.getImage();
List<EnvVar> environmentVariables =
KubernetesIaasUtil.prepareEnvironmentVariables(clusterContext, memberContext);
List<ContainerPort> ports =
KubernetesIaasUtil.convertPortMappings(Arrays.asList(cartridge.getPortMappings()));
log.info(
String.format(
"Starting pod: [application] %s [cartridge] %s [member] %s "
+ "[cpu] %d [memory] %d MB",
memberContext.getApplicationId(),
memberContext.getCartridgeType(),
memberContext.getMemberId(),
cpu,
memory));
kubernetesApi.createPod(podId, podLabel, dockerImage, cpu, memory, ports, environmentVariables);
log.info(
String.format(
"Pod started successfully: [application] %s [cartridge] %s [member] %s "
+ "[pod] %s [cpu] %d [memory] %d MB",
memberContext.getApplicationId(),
memberContext.getCartridgeType(),
memberContext.getMemberId(),
podId,
cpu,
memory));
// Add pod id to member context
memberContext.setKubernetesPodId(podId);
memberContext.setKubernetesPodLabel(podLabel);
// Create instance metadata
InstanceMetadata instanceMetadata = new InstanceMetadata();
instanceMetadata.setImageId(dockerImage);
instanceMetadata.setCpu(cpu);
instanceMetadata.setRam(memory);
memberContext.setInstanceMetadata(instanceMetadata);
// Persist cloud controller context
CloudControllerContext.getInstance().persist();
}
public static void handleServiceCreated(List<Cartridge> cartridgeList) {
Service service;
Topology topology = TopologyManager.getTopology();
if (cartridgeList == null) {
log.warn(String.format("Cartridge list is empty"));
return;
}
try {
TopologyManager.acquireWriteLock();
for (Cartridge cartridge : cartridgeList) {
if (!topology.serviceExists(cartridge.getType())) {
ServiceType serviceType =
cartridge.isMultiTenant() ? ServiceType.MultiTenant : ServiceType.SingleTenant;
service = new Service(cartridge.getType(), serviceType);
Properties properties = new Properties();
try {
Property[] propertyArray = null;
if (cartridge.getProperties() != null) {
if (cartridge.getProperties().getProperties() != null) {
propertyArray = cartridge.getProperties().getProperties();
}
}
List<Property> propertyList = new ArrayList<Property>();
if (propertyArray != null) {
propertyList = Arrays.asList(propertyArray);
if (propertyList != null) {
for (Property property : propertyList) {
properties.setProperty(property.getName(), property.getValue());
}
}
}
} catch (Exception e) {
log.error(e);
}
service.setProperties(properties);
if (cartridge.getPortMappings() != null) {
List<PortMapping> portMappings = Arrays.asList(cartridge.getPortMappings());
Port port;
// adding ports to the event
for (PortMapping portMapping : portMappings) {
port =
new Port(
portMapping.getProtocol(), portMapping.getPort(), portMapping.getProxyPort());
service.addPort(port);
}
}
topology.addService(service);
TopologyManager.updateTopology(topology);
}
}
} finally {
TopologyManager.releaseWriteLock();
}
TopologyEventPublisher.sendServiceCreateEvent(cartridgeList);
}