/**
   * Assign a {@link FloatingIP} from the given {@link FloatingNetwork} to the given {@link Port}.
   * It will either assign an existing floating IP or it will create and assign a new floating IP.
   *
   * @param port the {@link Port} to which a floating IP to be assigned.
   * @param floatingNetworkUuid the network uuid of the floating network from which a floating IP to
   *     be chosen/created
   * @return the assigned Floating IP
   */
  private FloatingIP assignFloatingIP(Port port, String floatingNetworkUuid) {
    // checking whether if there are any available floating IPs in the external network
    // if there are any we don't need to create a new one
    ArrayList<FloatingIP> unassignedFloatingIPs =
        getUnassignedFloatingIPsByNetworkUuid(floatingNetworkUuid);

    // we should remove all predefined floating IPs from unassigned list
    // otherwise, these predefined floating IPs can be associated to some other interfaces
    if (unassignedFloatingIPs != null) {
      if (log.isDebugEnabled()) {
        String msg =
            String.format(
                "Unassigned floating IPs from the network %s - %s",
                floatingNetworkUuid, unassignedFloatingIPs.toString());
        log.debug(msg);
      }
      Iterator<FloatingIP> unassginedFloatingIPsIterator = unassignedFloatingIPs.iterator();
      while (unassginedFloatingIPsIterator.hasNext()) {
        FloatingIP floatingIP = unassginedFloatingIPsIterator.next();
        List<String> allPredefinedFloatingIPs =
            getAllPredefinedFloatingIPs(iaasProvider.getNetworkInterfaces());
        if (allPredefinedFloatingIPs != null && !allPredefinedFloatingIPs.isEmpty()) {
          if (log.isDebugEnabled()) {
            String msg =
                String.format(
                    "Predefined  floating IPs - %s found in cartridge",
                    allPredefinedFloatingIPs.toString());
            log.debug(msg);
          }
          Iterator<String> predefinedFloatingIPsIterator = allPredefinedFloatingIPs.iterator();
          while (predefinedFloatingIPsIterator.hasNext()) {
            String floatingIPAddress = predefinedFloatingIPsIterator.next();
            if (floatingIP.getFloatingIpAddress() != null
                && floatingIP.getFloatingIpAddress().equals(floatingIPAddress)) {
              unassginedFloatingIPsIterator.remove();
              if (log.isDebugEnabled()) {
                String msg =
                    String.format(
                        "Removed predefined floating IP %s from available floating IPs",
                        floatingIPAddress);
                log.debug(msg);
              }
            }
          }
        }
      }
    }

    if (unassignedFloatingIPs == null || unassignedFloatingIPs.isEmpty()) {
      return createAndAssignFloatingIP(port, floatingNetworkUuid);
    }

    if (log.isDebugEnabled()) {
      String msg =
          String.format(
              "Available floating IPs from the network %s - %s",
              floatingNetworkUuid, unassignedFloatingIPs.toString());
      log.debug(msg);
    }

    // shuffle and get the last for randomness
    Collections.shuffle(unassignedFloatingIPs);
    FloatingIP selectedFloatingIP = Iterables.getLast(unassignedFloatingIPs);

    if (log.isDebugEnabled()) {
      String msg =
          String.format(
              "Floating IP %s is selected among %s from the network %s",
              selectedFloatingIP.getFloatingIpAddress(),
              unassignedFloatingIPs.toString(),
              floatingNetworkUuid);
      log.debug(msg);
    }

    return updateFloatingIP(selectedFloatingIP, port);
  }
  @Override
  public List<String> associateAddresses(NodeMetadata node) {

    assertNotNull(node, "Node cannot be null");

    if (null == neutronApi || null == portApi || null == floatingIPApi) {
      buildNeutronApi();
    }

    // internal network uuid to floating networks map, as defined in cartridge definition
    Map<String, List<FloatingNetwork>> networkUuidToFloatingNetworksMap =
        getNetworkUuidToFloatingNetworksMap(iaasProvider.getNetworkInterfaces());

    // private IP to floating networks map, as defined in cartridge definition
    Map<String, List<FloatingNetwork>> fixedIPToFloatingNetworksMap =
        getFixedIPToFloatingNetworksMap(iaasProvider.getNetworkInterfaces());

    // list of IPs allocated to this node
    List<String> associatedFloatingIPs = new ArrayList<String>();

    // wait until node gets private IPs
    while (node.getPrivateAddresses() == null) {
      CloudControllerUtil.sleep(1000);
    }

    // loop through all the fixed IPs of this node
    // and see whether we need to assign floating IP to each according to the cartridge deployment
    for (String privateIPOfTheNode : node.getPrivateAddresses()) {
      Port portOfTheFixedIP = getPortByFixedIP(privateIPOfTheNode);
      if (null == portOfTheFixedIP) {
        // we can't assign floating IP if port is null
        // it can't happen, a fixed/private IP can't live without a port
        // but doing a null check to be on the safe side
        if (log.isDebugEnabled()) {
          String msg = String.format("Port not found for fixed IP %s", privateIPOfTheNode);
          log.debug(msg);
        }
        continue;
      }
      // get list of floating networks associated with each network interfaces (refer cartridge
      // definition)
      List<FloatingNetwork> floatingNetworks =
          networkUuidToFloatingNetworksMap.get(portOfTheFixedIP.getNetworkId());
      // if no floating networks is defined for a network interface, no need to assign any floating
      // IPs, skip the current iteration
      if (null == floatingNetworks || floatingNetworks.isEmpty()) {
        // since no floating networks found in networkUuidToFloatingNetworksMap,
        // we will search in fixedIPToFloatingNetworksMap
        floatingNetworks = fixedIPToFloatingNetworksMap.get(privateIPOfTheNode);
        if (null == floatingNetworks || floatingNetworks.isEmpty()) {
          if (log.isDebugEnabled()) {
            String msg =
                String.format(
                    "No floating networks defined for the network interface %s",
                    portOfTheFixedIP.getNetworkId());
            log.debug(msg);
          }
        }
        continue;
      }
      // if floating networks defined for a network interface, assign one floating IP from each
      // floating network
      for (FloatingNetwork floatingNetwork : floatingNetworks) {
        FloatingIP allocatedFloatingIP = null;
        if (floatingNetwork.getNetworkUuid() != null
            && !floatingNetwork.getNetworkUuid().isEmpty()) {
          allocatedFloatingIP =
              assignFloatingIP(portOfTheFixedIP, floatingNetwork.getNetworkUuid());
        } else if (floatingNetwork.getFloatingIP() != null
            && !floatingNetwork.getFloatingIP().isEmpty()) {
          allocatedFloatingIP =
              assignPredefinedFloatingIP(portOfTheFixedIP, floatingNetwork.getFloatingIP());
        } else {
          String msg =
              String.format(
                  "Neither floating network uuid or floating IP defined for the floating network %s",
                  floatingNetwork.getName());
          log.error(msg);
          throw new CloudControllerException(msg);
        }

        String allocatedFloatingIPNullMsg =
            String.format(
                "Error occured while assigning floating IP. "
                    + "Please check whether the floating network %s can be reached from the fixed IP range",
                floatingNetwork.getNetworkUuid());
        assertNotNull(allocatedFloatingIP, allocatedFloatingIPNullMsg);

        String allocatedFloatingIPAddressNullOrEmptyMsg =
            String.format(
                "Error occured while assigning floating IP. "
                    + "Please check whether the floating network %s can be reached from the fixed IP range",
                floatingNetwork.getNetworkUuid());
        assertNotNullAndNotEmpty(
            allocatedFloatingIP.getFloatingIpAddress(), allocatedFloatingIPAddressNullOrEmptyMsg);

        associatedFloatingIPs.add(allocatedFloatingIP.getFloatingIpAddress());
      }
    }
    return associatedFloatingIPs;
  }
Beispiel #3
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  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);
  }