Exemplo n.º 1
0
  public void buildTemplate() {
    IaasProvider iaasInfo = getIaasProvider();
    if (iaasInfo.getComputeService() == null) {
      String msg = "Compute service is null for IaaS provider: " + iaasInfo.getName();
      log.fatal(msg);
      throw new CloudControllerException(msg);
    }

    TemplateBuilder templateBuilder = iaasInfo.getComputeService().templateBuilder();

    // set image id specified
    templateBuilder.imageId(iaasInfo.getImage());

    if (iaasInfo.getProperty(CloudControllerConstants.AVAILABILITY_ZONE) != null) {
      Set<? extends Location> locations = iaasInfo.getComputeService().listAssignableLocations();
      for (Location location : locations) {
        if (location.getScope().toString().equalsIgnoreCase(CloudControllerConstants.ZONE_ELEMENT)
            && location
                .getId()
                .equals(iaasInfo.getProperty(CloudControllerConstants.AVAILABILITY_ZONE))) {
          templateBuilder.locationId(location.getId());
          log.info(
              "ZONE has been set as "
                  + iaasInfo.getProperty(CloudControllerConstants.AVAILABILITY_ZONE)
                  + " with id: "
                  + location.getId());
          break;
        }
      }
    }

    if (iaasInfo.getProperty(CloudControllerConstants.INSTANCE_TYPE) != null) {
      // set instance type eg: m1.large
      templateBuilder.hardwareId(iaasInfo.getProperty(CloudControllerConstants.INSTANCE_TYPE));
    }

    // build the Template
    Template template = templateBuilder.build();

    if (iaasInfo.getProperty(CloudControllerConstants.AVAILABILITY_ZONE) != null) {
      if (!template
          .getLocation()
          .getId()
          .equals(iaasInfo.getProperty(CloudControllerConstants.AVAILABILITY_ZONE))) {
        log.warn(
            "couldn't find assignable ZONE of id :"
                + iaasInfo.getProperty(CloudControllerConstants.AVAILABILITY_ZONE)
                + " in the IaaS. "
                + "Hence using the default location as "
                + template.getLocation().getScope().toString()
                + " with the id "
                + template.getLocation().getId());
      }
    }

    // if you wish to auto assign IPs, instance spawning call should be
    // blocking, but if you
    // wish to assign IPs manually, it can be non-blocking.
    // is auto-assign-ip mode or manual-assign-ip mode?
    boolean blockUntilRunning =
        Boolean.parseBoolean(iaasInfo.getProperty(CloudControllerConstants.AUTO_ASSIGN_IP));
    template.getOptions().as(TemplateOptions.class).blockUntilRunning(blockUntilRunning);

    // this is required in order to avoid creation of additional security
    // groups by jclouds.
    template.getOptions().as(TemplateOptions.class).inboundPorts();

    // set EC2 specific options

    if (iaasInfo.getProperty(CloudControllerConstants.ASSOCIATE_PUBLIC_IP_ADDRESS) != null) {
      boolean associatePublicIp =
          Boolean.parseBoolean(
              iaasInfo.getProperty(CloudControllerConstants.ASSOCIATE_PUBLIC_IP_ADDRESS));
      if (associatePublicIp) {
        template.getOptions().as(AWSEC2TemplateOptions.class).associatePublicIpAddress();
      }
    }

    if (iaasInfo.getProperty(CloudControllerConstants.SUBNET_ID) != null) {
      template
          .getOptions()
          .as(AWSEC2TemplateOptions.class)
          .subnetId(iaasInfo.getProperty(CloudControllerConstants.SUBNET_ID));
    }

    if (iaasInfo.getProperty(CloudControllerConstants.AVAILABILITY_ZONE) != null) {
      template
          .getOptions()
          .as(AWSEC2TemplateOptions.class)
          .placementGroup(iaasInfo.getProperty(CloudControllerConstants.AVAILABILITY_ZONE));
    }

    // security group names
    if (iaasInfo.getProperty(CloudControllerConstants.SECURITY_GROUPS) != null) {
      template
          .getOptions()
          .as(AWSEC2TemplateOptions.class)
          .securityGroups(
              iaasInfo
                  .getProperty(CloudControllerConstants.SECURITY_GROUPS)
                  .split(CloudControllerConstants.ENTRY_SEPARATOR));
    }

    // ability to define tags
    if (iaasInfo.getProperty(CloudControllerConstants.TAGS) != null) {
      template
          .getOptions()
          .as(AWSEC2TemplateOptions.class)
          .tags(
              Arrays.asList(
                  iaasInfo
                      .getProperty(CloudControllerConstants.TAGS)
                      .split(CloudControllerConstants.ENTRY_SEPARATOR)));
    }

    // ability to define tags with Key-value pairs
    Map<String, String> keyValuePairTagsMap = new HashMap<String, String>();

    for (String propertyKey : iaasInfo.getProperties().keySet()) {
      if (propertyKey.startsWith(CloudControllerConstants.TAGS_AS_KEY_VALUE_PAIRS_PREFIX)) {
        keyValuePairTagsMap.put(
            propertyKey.substring(CloudControllerConstants.TAGS_AS_KEY_VALUE_PAIRS_PREFIX.length()),
            iaasInfo.getProperties().get(propertyKey));
        template.getOptions().as(AWSEC2TemplateOptions.class).userMetadata(keyValuePairTagsMap);
      }
    }

    if (iaasInfo.getProperty(CloudControllerConstants.SECURITY_GROUP_IDS) != null) {
      template
          .getOptions()
          .as(AWSEC2TemplateOptions.class)
          .securityGroupIds(
              iaasInfo
                  .getProperty(CloudControllerConstants.SECURITY_GROUP_IDS)
                  .split(CloudControllerConstants.ENTRY_SEPARATOR));
    }

    if (iaasInfo.getProperty(CloudControllerConstants.KEY_PAIR) != null) {
      template
          .getOptions()
          .as(AWSEC2TemplateOptions.class)
          .keyPair(iaasInfo.getProperty(CloudControllerConstants.KEY_PAIR));
    }

    if (iaasInfo.getNetworkInterfaces() != null) {
      List<String> networks = new ArrayList<String>(iaasInfo.getNetworkInterfaces().length);
      for (NetworkInterface ni : iaasInfo.getNetworkInterfaces()) {
        networks.add(ni.getNetworkUuid());
      }
      template.getOptions().as(AWSEC2TemplateOptions.class).networks(networks);
    }

    // set Template
    iaasInfo.setTemplate(template);
  }
Exemplo n.º 2
0
  @Override
  public synchronized List<String> associateAddresses(NodeMetadata node) {
    IaasProvider iaasInfo = getIaasProvider();
    ComputeServiceContext context = iaasInfo.getComputeService().getContext();
    ElasticIPAddressApi elasticIPAddressApi =
        context.unwrapApi(AWSEC2Api.class).getElasticIPAddressApi().get();
    String region = ComputeServiceBuilderUtil.extractRegion(iaasInfo);
    String ip = null;

    // first try to find an unassigned IP.
    ArrayList<PublicIpInstanceIdPair> unassignedIps =
        Lists.newArrayList(
            Iterables.filter(
                elasticIPAddressApi.describeAddressesInRegion(region),
                new Predicate<PublicIpInstanceIdPair>() {

                  @Override
                  public boolean apply(PublicIpInstanceIdPair arg0) {
                    return arg0.getInstanceId() == null;
                  }
                }));

    if (!unassignedIps.isEmpty()) {
      // try to prevent multiple parallel launches from choosing the same
      // ip.
      Collections.shuffle(unassignedIps);
      ip = Iterables.getLast(unassignedIps).getPublicIp();
    }

    // if no unassigned IP is available, we'll try to allocate an IP.
    if (ip == null || ip.isEmpty()) {
      try {
        ip = elasticIPAddressApi.allocateAddressInRegion(region);
        log.info("Allocated ip [" + ip + "]");

      } catch (Exception e) {
        String msg = "Failed to allocate an IP address. All IP addresses are in use.";
        log.error(msg, e);
        throw new CloudControllerException(msg, e);
      }
    }

    String id = node.getProviderId();

    // wait till the fixed IP address gets assigned - this is needed before
    // we associate a
    // public IP

    while (node.getPrivateAddresses() == null) {
      CloudControllerUtil.sleep(1000);
    }

    int retries = 0;
    while (retries < 12 && !associatePublicIp(elasticIPAddressApi, region, ip, id)) {

      // wait for 5s
      CloudControllerUtil.sleep(5000);
      retries++;
    }

    log.debug("Successfully associated an IP address " + ip + " for node with id: " + node.getId());

    List<String> associatedIPs = new ArrayList<String>();
    associatedIPs.add(ip);
    return associatedIPs;
  }