コード例 #1
0
ファイル: TopologyBuilder.java プロジェクト: curphey/stratos
  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");
      }
    }
  }
コード例 #2
0
ファイル: KubernetesIaas.java プロジェクト: shenlee/stratos
  /**
   * 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();
  }
コード例 #3
0
ファイル: TopologyBuilder.java プロジェクト: curphey/stratos
  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);
  }