public String getConfigValue(String key) {
   String configKind = _coordinator.getDbConfigPath(_serviceInfo.getName());
   Configuration config =
       _coordinator.queryConfiguration(_coordinator.getSiteId(), configKind, _serviceInfo.getId());
   if (config != null) {
     return config.getConfig(key);
   }
   return null;
 }
 public void setConfigValue(String key, String value) {
   String configKind = _coordinator.getDbConfigPath(_serviceInfo.getName());
   Configuration config =
       _coordinator.queryConfiguration(_coordinator.getSiteId(), configKind, _serviceInfo.getId());
   if (config != null) {
     config.setConfig(key, value);
     _coordinator.persistServiceConfiguration(_coordinator.getSiteId(), config);
   }
 }
 private void removeStaleVersionedDbConfiguration() {
   String configKind =
       _coordinator.getVersionedDbConfigPath(_serviceInfo.getName(), _serviceInfo.getVersion());
   List<Configuration> configs =
       _coordinator.queryAllConfiguration(_coordinator.getSiteId(), configKind);
   for (Configuration config : configs) {
     if (isStaleConfiguration(config)) {
       _coordinator.removeServiceConfiguration(_coordinator.getSiteId(), config);
       _log.info("Remove stale version db config, id: {}", config.getId());
     }
   }
 }
  // check and initialize global configuration
  private Configuration checkGlobalConfiguration() {
    String configKind = _coordinator.getDbConfigPath(_serviceInfo.getName());
    Configuration config =
        _coordinator.queryConfiguration(_coordinator.getSiteId(), configKind, Constants.GLOBAL_ID);
    if (config == null) {
      // check if it is upgraded from previous version to yoda - configuration may be stored in
      // znode /config. Since SeedProvider still need access that, so we remove the config
      // from global in migration callback after migration is done.
      config = _coordinator.queryConfiguration(configKind, Constants.GLOBAL_ID);
      if (config != null) {
        _log.info("Upgrade from pre-yoda release, move global config to new location");
        _coordinator.persistServiceConfiguration(_coordinator.getSiteId(), config);
        return config;
      }

      ConfigurationImpl cfg = new ConfigurationImpl();
      cfg.setId(Constants.GLOBAL_ID);
      cfg.setKind(configKind);
      cfg.setConfig(Constants.SCHEMA_VERSION, this._serviceInfo.getVersion());

      // persist configuration
      _coordinator.persistServiceConfiguration(_coordinator.getSiteId(), cfg);
      config = cfg;
    }
    return config;
  }
  // check and initialize versioned configuration
  private Configuration checkVersionedConfiguration() {
    String serviceVersion = _serviceInfo.getVersion();
    String dbSchemaVersion = _dbClient.getSchemaVersion();
    if (!serviceVersion.equals(dbSchemaVersion)) {
      _log.warn(
          "The db service version {} doesn't equals Db schema version {}, "
              + "set db service version to Db schema version",
          serviceVersion,
          dbSchemaVersion);
      _serviceInfo.setVersion(dbSchemaVersion);
    }

    String kind =
        _coordinator.getVersionedDbConfigPath(_serviceInfo.getName(), _serviceInfo.getVersion());
    Configuration config =
        _coordinator.queryConfiguration(_coordinator.getSiteId(), kind, _serviceInfo.getId());
    if (config == null) {
      // check if it is upgraded from previous version to yoda - configuration may be stored in
      // znode /config
      config = _coordinator.queryConfiguration(kind, _serviceInfo.getId());
      if (config != null) {
        _log.info("Upgrade from pre-2.5 release, move versioned dbconfig to new location");
        _coordinator.persistServiceConfiguration(_coordinator.getSiteId(), config);
        return config;
      }

      ConfigurationImpl cfg = new ConfigurationImpl();
      cfg.setId(_serviceInfo.getId());
      cfg.setKind(kind);
      // persist configuration
      _coordinator.persistServiceConfiguration(_coordinator.getSiteId(), cfg);
      config = cfg;
    }
    return config;
  }
 /**
  * Checks and sets INIT_DONE state this means we are done with the actual cf changes on the
  * cassandra side for the target version
  */
 private void setDbConfigInitDone() {
   String configKind =
       _coordinator.getVersionedDbConfigPath(_serviceInfo.getName(), _serviceInfo.getVersion());
   Configuration config =
       _coordinator.queryConfiguration(_coordinator.getSiteId(), configKind, _serviceInfo.getId());
   if (config != null) {
     if (config.getConfig(DbConfigConstants.INIT_DONE) == null) {
       config.setConfig(DbConfigConstants.INIT_DONE, Boolean.TRUE.toString());
       _coordinator.persistServiceConfiguration(_coordinator.getSiteId(), config);
     }
   } else {
     // we are expecting this to exist, because its initialized from checkVersionedConfiguration
     throw new IllegalStateException("unexpected error, db versioned configuration is null");
   }
 }
 private InterProcessLock getLock(String name) throws Exception {
   InterProcessLock lock = null;
   while (true) {
     try {
       lock = _coordinator.getSiteLocalLock(name);
       lock.acquire();
       break; // got lock
     } catch (Exception e) {
       if (_coordinator.isConnected()) {
         throw e;
       }
     }
   }
   return lock;
 }
  public void vcenterClusterAddHostOperation(
      URI vcenterId, URI vcenterDataCenterId, URI clusterId, URI hostId, String stepId) {
    VcenterApiClient vcenterApiClient = null;
    try {
      WorkflowStepCompleter.stepExecuting(stepId);

      VcenterDataCenter vcenterDataCenter =
          _dbClient.queryObject(VcenterDataCenter.class, vcenterDataCenterId);
      Cluster cluster = _dbClient.queryObject(Cluster.class, clusterId);
      Vcenter vcenter = _dbClient.queryObject(Vcenter.class, vcenterId);
      Host host = _dbClient.queryObject(Host.class, hostId);

      vcenterApiClient = new VcenterApiClient(_coordinator.getPropertyInfo());
      vcenterApiClient.setup(vcenter.getIpAddress(), vcenter.getUsername(), vcenter.getPassword());
      String key =
          vcenterApiClient.addHost(
              vcenterDataCenter.getLabel(),
              cluster.getExternalId(),
              host.getHostName(),
              host.getUsername(),
              host.getPassword());
      _log.info("Successfully added or located host " + host.getHostName() + " " + key);

      host.setVcenterDataCenter(vcenterDataCenter.getId());
      _dbClient.updateAndReindexObject(host);

      WorkflowStepCompleter.stepSucceded(stepId);
    } catch (Exception e) {
      _log.error("vcenterClusterAddHostOperation exception " + e);
      WorkflowStepCompleter.stepFailed(
          stepId, VcenterControllerException.exceptions.hostException(e.getLocalizedMessage(), e));
    } finally {
      if (vcenterApiClient != null) vcenterApiClient.destroy();
    }
  }
  /**
   * Retrieve the vdc config info of the current site, return such info with precheck. 1. For adding
   * a new vdc, the current vdc should be in ISOLATED status and is a fresh installation. 2. For
   * updating an existing vdc, the current vdc should be in CONNECTED status.
   *
   * @param checkParam
   * @return VirtualDataCenterResponse
   */
  @POST
  @Produces({MediaType.APPLICATION_XML, MediaType.APPLICATION_JSON})
  @Path("/precheck")
  public VdcPreCheckResponse precheckVdcConfig(VdcPreCheckParam checkParam) {
    log.info("Start vdc config precheck for {} ...", checkParam.getConfigChangeType());

    if (service.getId().endsWith("standalone")) {
      throw GeoException.fatals.remoteVDCWrongStandaloneInstall();
    }

    log.info("Loading local vdc config ...");
    VirtualDataCenter vdc = VdcUtil.getLocalVdc();
    Boolean isFresher = checkParam.getFresher();
    if (isFresher != null && isFresher) {
      // check if VDC is a fresh installation, in ISOLATED status
      if (VirtualDataCenter.ConnectionStatus.ISOLATED != vdc.getConnectionStatus()) {
        throw GeoException.fatals.remoteFreshVDCWrongStatus(vdc.getId());
      }
    } else {
      // check if VDC is in CONNECTED status
      // check if VDC is in CONNECTED status- remove, add; update will skip-CTRL3549
      if (checkParam.getConfigChangeType().equals(VdcConfig.ConfigChangeType.CONNECT_VDC.toString())
          || (checkParam
              .getConfigChangeType()
              .equals(VdcConfig.ConfigChangeType.REMOVE_VDC.toString()))) {
        if (vdc.getConnectionStatus() != VirtualDataCenter.ConnectionStatus.CONNECTED) {
          throw GeoException.fatals.remoteVDCWrongOperationStatus(
              vdc.getId(), checkParam.getConfigChangeType());
        }
      }
    }

    boolean hasData = false;
    if (isFresher) {
      hasData = hasDataInDb();
    }

    hasData |= hasDataService();

    log.info("Checking software version ...");
    SoftwareVersion remoteSoftVer = null;

    try {
      remoteSoftVer = new SoftwareVersion(checkParam.getSoftwareVersion());
      log.info("Software version of remote vdc: {}", remoteSoftVer);
    } catch (Exception e) {
      log.info(
          "Cannot get software version from checkParam, the version of remote vdc is lower than v2.3 with exception {}",
          e.getMessage());
    }

    SoftwareVersion localSoftVer;
    try {
      localSoftVer = coordinator.getTargetInfo(RepositoryInfo.class).getCurrentVersion();
    } catch (Exception ex) {
      throw GeoException.fatals.remoteVDCFailedToGetVersion(vdc.getId());
    }

    return toVirtualDataCenterResponse(vdc, hasData, remoteSoftVer, localSoftVer);
  }
  @Override
  public void removeVcenterCluster(URI datacenterUri, URI clusterUri) throws InternalException {
    VcenterApiClient vcenterApiClient = null;
    try {
      VcenterDataCenter vcenterDataCenter =
          _dbClient.queryObject(VcenterDataCenter.class, datacenterUri);
      Cluster cluster = _dbClient.queryObject(Cluster.class, clusterUri);
      Vcenter vcenter = _dbClient.queryObject(Vcenter.class, vcenterDataCenter.getVcenter());
      _log.info(
          "Request to remove cluster "
              + vcenter.getLabel()
              + "/"
              + vcenterDataCenter.getLabel()
              + "/"
              + cluster.getLabel());

      vcenterApiClient = new VcenterApiClient(_coordinator.getPropertyInfo());
      vcenterApiClient.setup(vcenter.getIpAddress(), vcenter.getUsername(), vcenter.getPassword());
      vcenterApiClient.removeCluster(vcenterDataCenter.getLabel(), cluster.getExternalId());
    } catch (VcenterObjectConnectionException e) {
      throw VcenterControllerException.exceptions.objectConnectionException(
          e.getLocalizedMessage(), e);
    } catch (VcenterObjectNotFoundException e) {
      throw VcenterControllerException.exceptions.objectNotFoundException(
          e.getLocalizedMessage(), e);
    } catch (VcenterServerConnectionException e) {
      throw VcenterControllerException.exceptions.serverConnectionException(
          e.getLocalizedMessage(), e);
    } catch (Exception e) {
      _log.error("removeVcenterCluster exception " + e);
      throw VcenterControllerException.exceptions.unexpectedException(e.getLocalizedMessage(), e);
    } finally {
      if (vcenterApiClient != null) vcenterApiClient.destroy();
    }
  }
 /**
  * Invoke a failure if the artificial_failure variable is set. This is an internal-only setting
  * that allows testers and automated suites to inject a failure into a workflow step at key
  * locations to test rollback and Task states.
  *
  * @param coordinator coordinator
  * @param failureKey key from above
  */
 public static void internalOnlyInvokeTestFailure(String failureKey) {
   // Invoke an artificial failure, if set (experimental, testing only)
   String invokeArtificialFailure = _coordinator.getPropertyInfo().getProperty(ARTIFICIAL_FAILURE);
   if (invokeArtificialFailure != null && invokeArtificialFailure.equalsIgnoreCase(failureKey)) {
     throw new NullPointerException("Artificially Thrown Exception");
   }
 }
  private boolean isStaleConfiguration(Configuration config) {
    String delimiter = "-";
    String configId = config.getId();

    // Bypasses item of "global" and folders of "version", just check db configurations.
    if (configId == null || configId.equals(Constants.GLOBAL_ID) || !configId.contains(delimiter)) {
      return false;
    }

    if (_serviceInfo.getId().endsWith(Constants.STANDALONE_ID)) {
      if (!configId.equals(_serviceInfo.getId())) {
        return true;
      }
    } else {
      CoordinatorClientInetAddressMap nodeMap = _coordinator.getInetAddessLookupMap();
      int nodeCount = nodeMap.getControllerNodeIPLookupMap().size();

      String nodeIndex = configId.split(delimiter)[1];
      if (Constants.STANDALONE_ID.equalsIgnoreCase(nodeIndex)
          || Integer.parseInt(nodeIndex) > nodeCount) {
        return true;
      }
    }
    return false;
  }
  public void createUpdateVcenterClusterOperation(
      boolean createCluster, URI vcenterId, URI vcenterDataCenterId, URI clusterId, String stepId) {
    VcenterApiClient vcenterApiClient = null;
    try {
      WorkflowStepCompleter.stepExecuting(stepId);

      VcenterDataCenter vcenterDataCenter =
          _dbClient.queryObject(VcenterDataCenter.class, vcenterDataCenterId);
      Cluster cluster = _dbClient.queryObject(Cluster.class, clusterId);
      Vcenter vcenter = _dbClient.queryObject(Vcenter.class, vcenterId);

      vcenterApiClient = new VcenterApiClient(_coordinator.getPropertyInfo());
      vcenterApiClient.setup(vcenter.getIpAddress(), vcenter.getUsername(), vcenter.getPassword());
      String vcenterClusterId = null;
      if (createCluster) {
        _log.info("Create cluster with name " + cluster.getLabel());
        vcenterClusterId =
            vcenterApiClient.createCluster(vcenterDataCenter.getLabel(), cluster.getLabel());
      } else {
        // Use MoRef if present but don't stop if we fail to find cluster based off this because
        // we'll fall back and try on name
        String externalId = cluster.getExternalId();
        if (externalId != null && !externalId.trim().equals("")) {
          _log.info("Update cluster with MoRef " + externalId);
          try {
            vcenterClusterId =
                vcenterApiClient.updateCluster(vcenterDataCenter.getLabel(), externalId);
          } catch (VcenterObjectNotFoundException e) {
            _log.info(
                "Ignore VcenterObjectNotFoundException updateCluster when using MoRef... Try name based search next");
          }
        }
        if (vcenterClusterId == null) {
          _log.info("Update cluster with name " + cluster.getLabel());
          vcenterClusterId =
              vcenterApiClient.updateCluster(vcenterDataCenter.getLabel(), cluster.getLabel());
        }
      }
      _log.info(
          "Successfully created or updated cluster " + cluster.getLabel() + " " + vcenterClusterId);

      cluster.setVcenterDataCenter(vcenterDataCenter.getId());
      cluster.setExternalId(vcenterClusterId);
      _dbClient.updateAndReindexObject(cluster);

      WorkflowStepCompleter.stepSucceded(stepId);
    } catch (Exception e) {
      _log.error("createUpdateVcenterClusterOperation exception " + e);
      WorkflowStepCompleter.stepFailed(
          stepId,
          VcenterControllerException.exceptions.clusterException(e.getLocalizedMessage(), e));
    } finally {
      if (vcenterApiClient != null) vcenterApiClient.destroy();
    }
  }
  /** Check offline event info to see if dbsvc/geodbsvc on this node could get started */
  private void checkDBOfflineInfo() {
    Configuration config =
        _coordinator.queryConfiguration(
            _coordinator.getSiteId(), Constants.DB_DOWNTIME_TRACKER_CONFIG, _serviceInfo.getName());
    DbOfflineEventInfo dbOfflineEventInfo = new DbOfflineEventInfo(config);

    String localNodeId = _coordinator.getInetAddessLookupMap().getNodeId();
    Long lastActiveTimestamp = dbOfflineEventInfo.geLastActiveTimestamp(localNodeId);
    long zkTimeStamp =
        (lastActiveTimestamp == null) ? TimeUtils.getCurrentTime() : lastActiveTimestamp;

    File localDbDir = new File(dbDir);
    Date lastModified = getLastModified(localDbDir);
    boolean isDirEmpty = lastModified == null || localDbDir.list().length == 0;
    long localTimeStamp = (isDirEmpty) ? TimeUtils.getCurrentTime() : lastModified.getTime();

    _log.info("Service timestamp in ZK is {}, local file is: {}", zkTimeStamp, localTimeStamp);
    long diffTime = (zkTimeStamp > localTimeStamp) ? (zkTimeStamp - localTimeStamp) : 0;
    if (diffTime >= MAX_SERVICE_OUTAGE_TIME) {
      String errMsg =
          String.format(
              "We detect database files on local disk are more than %s days older "
                  + "than last time it was seen in the cluster. It may bring stale data into the database, "
                  + "so the service cannot continue to boot. It may be the result of a VM snapshot rollback. "
                  + "Please contact with EMC support engineer for solution.",
              diffTime / TimeUtils.DAYS);
      alertLog.error(errMsg);
      throw new IllegalStateException(errMsg);
    }

    Long offlineTime = dbOfflineEventInfo.getOfflineTimeInMS(localNodeId);
    if (!isDirEmpty && offlineTime != null && offlineTime >= MAX_SERVICE_OUTAGE_TIME) {
      String errMsg =
          String.format(
              "This node is offline for more than %s days. It may bring stale data into "
                  + "database, so the service cannot continue to boot. Please poweroff this node and follow our "
                  + "node recovery procedure to recover this node",
              offlineTime / TimeUtils.DAYS);
      alertLog.error(errMsg);
      throw new IllegalStateException(errMsg);
    }
  }
  // Find a host connected and powered on then refresh it
  public void vcenterClusterSelectHostOperation(
      URI vcenterId, URI vcenterDataCenterId, URI clusterId, URI[] hostUris, String stepId) {
    VcenterApiClient vcenterApiClient = null;
    try {
      WorkflowStepCompleter.stepExecuting(stepId);

      VcenterDataCenter vcenterDataCenter =
          _dbClient.queryObject(VcenterDataCenter.class, vcenterDataCenterId);
      Cluster cluster = _dbClient.queryObject(Cluster.class, clusterId);
      Vcenter vcenter = _dbClient.queryObject(Vcenter.class, vcenterId);
      Collection<Host> hosts = _dbClient.queryObject(Host.class, hostUris);

      vcenterApiClient = new VcenterApiClient(_coordinator.getPropertyInfo());
      vcenterApiClient.setup(vcenter.getIpAddress(), vcenter.getUsername(), vcenter.getPassword());

      Host hostForStorageOperations = null;
      for (Host host : hosts) {
        try {
          vcenterApiClient.checkHostConnectedPoweredOn(
              vcenterDataCenter.getLabel(), cluster.getExternalId(), host.getHostName());
          hostForStorageOperations = host;
          _log.info("Host " + host.getHostName() + " to be used for storage operations");
          break;
        } catch (Exception e) {
          _log.info(
              "Host "
                  + host.getHostName()
                  + " not valid for storage operations due to exception "
                  + e.getLocalizedMessage());
        }
      }
      if (hostForStorageOperations == null) {
        _log.error(
            "No host valid for performing storage operations thus cannot perform datastore operations");
        throw new Exception(
            "No host valid for performing storage operations thus cannot perform datastore operations");
      }
      vcenterApiClient.refreshRescanHostStorage(
          vcenterDataCenter.getLabel(),
          cluster.getExternalId(),
          hostForStorageOperations.getHostName());

      // persist hostForStorageOperations ID in wf data
      _workflowService.storeStepData(stepId, hostForStorageOperations.getId());

      WorkflowStepCompleter.stepSucceded(stepId);
    } catch (Exception e) {
      _log.error("vcenterClusterSelectHostOperation exception " + e);
      WorkflowStepCompleter.stepFailed(
          stepId, VcenterControllerException.exceptions.hostException(e.getLocalizedMessage(), e));
    } finally {
      if (vcenterApiClient != null) vcenterApiClient.destroy();
    }
  }
Ejemplo n.º 16
0
  /** @return true if there are data services */
  private boolean hasDataService() {
    try {
      List<Service> services =
          coordinator.locateAllServices(DataServiceName, DataServiceVersion, null, null);

      if (services.isEmpty()) {
        return false;
      }
    } catch (Exception e) {
      return false;
    }

    return true;
  }
  private List<Service> getServiceInfoListInternal() {
    LOG.debug("Retrieving " + SA_SVC_NAME + " service info from coordinator service");
    try {
      List<Service> services =
          coordinator.locateAllServices(SA_SVC_NAME, SA_SVC_VERSION, null, null);

      if (services.isEmpty()) {
        throw new RuntimeException("No endpoint found for " + SA_SVC_NAME, null);
      }

      return services;
    } catch (Exception e) {
      throw new RuntimeException("Error whilst fetch " + SA_SVC_NAME + " information", e);
    }
  }
  public void vcenterClusterCreateDatastoreOperation(
      URI vcenterId,
      URI vcenterDataCenterId,
      URI clusterId,
      URI volumeId,
      String selectHostStepId,
      String stepId) {
    VcenterApiClient vcenterApiClient = null;
    try {
      WorkflowStepCompleter.stepExecuting(stepId);

      URI hostId = (URI) _workflowService.loadStepData(selectHostStepId);
      if (hostId == null) {
        _log.error("Workflow loadStepData on " + selectHostStepId + " is null");
        throw new Exception("Workflow loadStepData on " + selectHostStepId + " is null");
      }

      VcenterDataCenter vcenterDataCenter =
          _dbClient.queryObject(VcenterDataCenter.class, vcenterDataCenterId);
      Cluster cluster = _dbClient.queryObject(Cluster.class, clusterId);
      Vcenter vcenter = _dbClient.queryObject(Vcenter.class, vcenterId);
      Host host = _dbClient.queryObject(Host.class, hostId);
      Volume volume = _dbClient.queryObject(Volume.class, volumeId);

      vcenterApiClient = new VcenterApiClient(_coordinator.getPropertyInfo());
      vcenterApiClient.setup(vcenter.getIpAddress(), vcenter.getUsername(), vcenter.getPassword());
      String key =
          vcenterApiClient.createDatastore(
              vcenterDataCenter.getLabel(),
              cluster.getExternalId(),
              host.getHostName(),
              volume.getWWN(),
              volume.getLabel());
      _log.info("Successfully created or located datastore " + volume.getLabel() + " " + key);

      host.setVcenterDataCenter(vcenterDataCenter.getId());
      _dbClient.updateAndReindexObject(host);

      WorkflowStepCompleter.stepSucceded(stepId);
    } catch (Exception e) {
      _log.error("vcenterClusterCreateDatastoreOperation exception " + e);
      WorkflowStepCompleter.stepFailed(
          stepId, VcenterControllerException.exceptions.hostException(e.getLocalizedMessage(), e));
    } finally {
      if (vcenterApiClient != null) vcenterApiClient.destroy();
    }
  }
  private void removeStaleServiceConfiguration() {
    boolean isGeoDBSvc = isGeoDbsvc();
    boolean resetAutoBootFlag = false;

    String configKind = _coordinator.getDbConfigPath(_serviceInfo.getName());
    List<Configuration> configs =
        _coordinator.queryAllConfiguration(_coordinator.getSiteId(), configKind);

    for (Configuration config : configs) {
      if (isStaleConfiguration(config)) {
        boolean autoboot = Boolean.parseBoolean(config.getConfig(DbConfigConstants.AUTOBOOT));
        String configId = config.getId();

        if (isGeoDBSvc && !autoboot && (configId.equals("geodb-4") || configId.equals("geodb-5"))) {
          // for geodbsvc, if restore with the backup of 5 nodes to 3 nodes and the backup is made
          // on the cluster that the 'autoboot=false' is set on vipr4 or vipr5
          // we should set the autoboot=false on the current node or no node with autoboot=false

          // TODO:This is a temporary/safest solution in Yoda, we'll provide a better soltuion post
          // Yoda
          resetAutoBootFlag = true;
        }

        if (isStaleConfiguration(config)) {
          _coordinator.removeServiceConfiguration(_coordinator.getSiteId(), config);
          _log.info("Remove stale db config, id: {}", config.getId());
        }
      }
    }

    if (resetAutoBootFlag) {
      _log.info("set autoboot flag to false on {}", _serviceInfo.getId());
      Configuration config =
          _coordinator.queryConfiguration(
              _coordinator.getSiteId(), configKind, _serviceInfo.getId());
      config.setConfig(DbConfigConstants.AUTOBOOT, Boolean.FALSE.toString());
      _coordinator.persistServiceConfiguration(_coordinator.getSiteId(), config);
    }
  }
  private List<String> getVirtualMachines(
      URI datacenterUri, URI clusterUri, URI hostUri, boolean runningOnly)
      throws InternalException {
    VcenterApiClient vcenterApiClient = null;
    try {
      Host host = _dbClient.queryObject(Host.class, hostUri);
      VcenterDataCenter vcenterDataCenter =
          _dbClient.queryObject(VcenterDataCenter.class, datacenterUri);
      Cluster cluster = _dbClient.queryObject(Cluster.class, clusterUri);
      Vcenter vcenter = _dbClient.queryObject(Vcenter.class, vcenterDataCenter.getVcenter());

      _log.info(
          "Request to get virtual machines for "
              + vcenter.getLabel()
              + "/"
              + vcenterDataCenter.getLabel()
              + "/"
              + cluster.getLabel()
              + "/"
              + host.getHostName());

      vcenterApiClient = new VcenterApiClient(_coordinator.getPropertyInfo());
      vcenterApiClient.setup(vcenter.getIpAddress(), vcenter.getUsername(), vcenter.getPassword());
      return runningOnly
          ? vcenterApiClient.getRunningVirtualMachines(
              vcenterDataCenter.getLabel(), cluster.getExternalId(), host.getHostName())
          : vcenterApiClient.getVirtualMachines(
              vcenterDataCenter.getLabel(), cluster.getExternalId(), host.getHostName());
    } catch (VcenterObjectConnectionException e) {
      throw VcenterControllerException.exceptions.objectConnectionException(
          e.getLocalizedMessage(), e);
    } catch (VcenterObjectNotFoundException e) {
      throw VcenterControllerException.exceptions.objectNotFoundException(
          e.getLocalizedMessage(), e);
    } catch (VcenterServerConnectionException e) {
      throw VcenterControllerException.exceptions.serverConnectionException(
          e.getLocalizedMessage(), e);
    } catch (Exception e) {
      _log.error("getVirtualMachines exception " + e);
      throw VcenterControllerException.exceptions.unexpectedException(e.getLocalizedMessage(), e);
    } finally {
      if (vcenterApiClient != null) vcenterApiClient.destroy();
    }
  }
  /** Setup geosvc job queue */
  public void start() {
    _log.info("Get vipr keystore");
    try {
      viprKeyStore = KeyStoreUtil.getViPRKeystore(_coordinator);
    } catch (Exception e) {
      _log.error("Failed to load the VIPR keystore", e);
      throw new IllegalStateException(e);
    }

    _log.info("Starting geosvc job queue");
    try {
      _queue =
          _coordinator.getQueue(
              GeoServiceHelper.GEOSVC_QUEUE_NAME,
              this,
              new GeoServiceJobSerializer(),
              GeoServiceHelper.DEFAULT_MAX_THREADS);
    } catch (Exception e) {
      _log.error("can not startup geosvc job queue", e);
    }
  }
  /**
   * Attempts to acquire the passed lock.
   *
   * @param lockName The name of the lock to acquire.
   * @param waitInSeconds The amount of time to wait to acquire the lock in seconds. A value less
   *     than 0 will cause the function to wait indefinitely for the lock.
   * @return true if lock acquired, false otherwise.
   */
  public boolean acquireLock(String lockName, long waitInSeconds) {

    if (lockName == null || lockName.isEmpty()) {
      s_logger.info("No lock name specified.");
      return false;
    }

    try {
      InterProcessLock lock = _coordinator.getLock(lockName);
      if (lock != null) {
        if (waitInSeconds >= 0) {
          s_logger.info(
              "Attempting to acquire lock: "
                  + lockName
                  + " for a maximum of "
                  + waitInSeconds
                  + " seconds.");
          if (!lock.acquire(waitInSeconds, TimeUnit.SECONDS)) {
            s_logger.info("Failed to acquire lock: " + lockName);
            return false;
          }
        } else {
          s_logger.info("Attempting to acquire lock: " + lockName + " for as long as it takes.");
          lock.acquire(); // will only throw exception or pass
        }

        s_acquiredLocks.put(lockName, lock);
      } else {
        return false;
      }
      s_logger.info("Acquired lock: " + lockName);
      return true;
    } catch (Exception e) {
      s_logger.error("Acquisition of lock: {} failed with Exception: ", lockName, e);
      return false;
    }
  }
  @Override
  public void start() throws IOException {
    if (_log.isInfoEnabled()) {
      _log.info("Starting DB service...");
    }

    // Suppress Sonar violation of Lazy initialization of static fields should be synchronized
    // start() method will be only called one time when startup dbsvc, so it's safe to ignore sonar
    // violation
    instance = this; // NOSONAR ("squid:S2444")

    if (backCompatPreYoda) {
      _log.info(
          "Pre-yoda back compatible flag detected. Initialize local keystore/truststore for Cassandra native encryption");
      initKeystoreAndTruststore();
      _schemaUtil.setBackCompatPreYoda(true);
    }
    System.setProperty("cassandra.config", _config);
    System.setProperty("cassandra.config.loader", CassandraConfigLoader.class.getName());

    // Set to false to clear all gossip state for the node on restart.
    //
    // We encounter a weird Cassandra grossip issue(COP-19246) - some nodes are missing from gossip
    // when rebooting the entire cluster simultaneously. Critical Gossip
    // fields(ApplicationState.STATUS, ApplicationState.TOKENS)
    // are not synchronized during handshaking. It looks like some problem caused by incorrect
    // gossip version/generation
    // at system local table. So add this option to cleanup local gossip state during reboot
    //
    // Make sure add-vdc/add-standby passed when you would remove this option in the future.
    //
    // We need make sure majority local nodes are added as seed nodes. Otherwise cassandra may not
    // see other nodes if it loses
    // connection to other sites
    System.setProperty("cassandra.load_ring_state", "false");

    // Nodes in new data center should not auto-bootstrap.
    // See
    // https://docs.datastax.com/en/cassandra/2.0/cassandra/operations/ops_add_dc_to_cluster_t.html
    if (_schemaUtil.isStandby()) {
      System.setProperty("cassandra.auto_bootstrap", "false");
    }
    InterProcessLock lock = null;
    Configuration config = null;

    StartupMode mode = null;

    try {
      // we use this lock to discourage more than one node bootstrapping / joining at the same time
      // Cassandra can handle this but it's generally not recommended to make changes to schema
      // concurrently
      lock = getLock(getSchemaLockName());

      config = checkConfiguration();
      checkGlobalConfiguration();
      checkVersionedConfiguration();
      removeStaleConfiguration();

      mode = checkStartupMode(config);
      _log.info("Current startup mode is {}", mode);

      // Check if service is allowed to get started by querying db offline info to avoid bringing
      // back stale data.
      // Skipping hibernate mode for node recovery procedure to recover the overdue node.
      int nodeCount = ((CoordinatorClientImpl) _coordinator).getNodeCount();
      if (nodeCount != 1 && mode.type != StartupMode.StartupModeType.HIBERNATE_MODE) {
        checkDBOfflineInfo();
      }

      // this call causes instantiation of a seed provider instance, so the check*Configuration
      // calls must be preceed it
      removeCassandraSavedCaches();

      mode.onPreStart();

      if (_jmxServer != null) {
        _jmxServer.start();
        System.setProperty(
            "com.sun.management.jmxremote.port", Integer.toString(_jmxServer.getPort()));
      }

      _service = new CassandraDaemon();
      _service.init(null);
      _service.start();

      cassandraInitialized = true;
      mode.onPostStart();
    } catch (Exception e) {
      if (mode != null && mode.type == StartupMode.StartupModeType.HIBERNATE_MODE) {
        printRecoveryWorkAround(e);
      }
      _log.error("e=", e);
      throw new IllegalStateException(e);
    } finally {
      if (lock != null) {
        try {
          lock.release();
        } catch (Exception ignore) {
          _log.debug("lock release failed");
        }
      }
    }

    if (config.getConfig(DbConfigConstants.JOINED) == null) {
      config.setConfig(DbConfigConstants.JOINED, Boolean.TRUE.toString());
      _coordinator.persistServiceConfiguration(_coordinator.getSiteId(), config);
    }

    _statusChecker.waitForAllNodesJoined();

    _svcBeacon.start();
    if (backCompatPreYoda) {
      _log.info("Enable duplicated beacon in global area during pre-yoda upgrade");
      startDupBeacon();
    }

    setDbInitializedFlag();
    setDbConfigInitDone();

    _dbClient.start();

    if (_schemaUtil.isStandby()) {
      String localDataRevision = getLocalDataRevision();
      if (localDataRevision != null) {
        _schemaUtil.checkDataRevision(localDataRevision);
      }
    }

    // Setup the vdc information, so that login enabled before migration
    if (!isGeoDbsvc()) {
      _schemaUtil.checkAndSetupBootStrapInfo(_dbClient);
    }

    dbMgr.init();

    if (_handler.run()) {
      // Setup the bootstrap info root tenant, if root tenant migrated from local db, then skip it
      if (isGeoDbsvc()) {
        _schemaUtil.checkAndSetupBootStrapInfo(_dbClient);
      } else {
        _schemaUtil.checkAndInitStorageSystemTypes(_dbClient);
      }

      startBackgroundTasks();

      _log.info("DB service started");
    } else {
      _log.error("DB migration failed. Skipping starting background tasks.");
    }
  }
Ejemplo n.º 24
0
 /**
  * Remove given flag from current db config in zk
  *
  * @param flagName
  */
 void removeFlag(String flagName) {
   config.removeConfig(flagName);
   coordinator.persistServiceConfiguration(config);
 }
  /**
   * Checks and registers db configuration information, this is one time when cluster is coming up
   * for the first time
   */
  private Configuration checkConfiguration() {
    String configKind = _coordinator.getDbConfigPath(_serviceInfo.getName());
    Configuration config =
        _coordinator.queryConfiguration(_coordinator.getSiteId(), configKind, _serviceInfo.getId());
    if (config == null) {
      // check if it is upgraded from previous version to yoda - configuration may be stored in
      // zk global area /config. Since SeedProvider still need access that, so we remove the config
      // from global in migration callback after migration is done.
      config = _coordinator.queryConfiguration(configKind, _serviceInfo.getId());
      if (config != null) {
        _log.info("Upgrade from pre-yoda release, move dbconfig to new location");
        _coordinator.persistServiceConfiguration(_coordinator.getSiteId(), config);
        return config;
      }

      // this is a new node
      // 1. register its configuration with coordinator
      // 2. assume autobootstrap configuration
      // this means that when a node is added, it take 1/2 of biggest token rage and
      // copies its data over
      ConfigurationImpl cfg = new ConfigurationImpl();
      cfg.setId(_serviceInfo.getId());
      cfg.setKind(configKind);
      cfg.setConfig(DbConfigConstants.NODE_ID, _coordinator.getInetAddessLookupMap().getNodeId());
      cfg.setConfig(DbConfigConstants.AUTOBOOT, Boolean.TRUE.toString());

      // check other existing db nodes
      List<Configuration> configs =
          _coordinator.queryAllConfiguration(_coordinator.getSiteId(), configKind);
      if (configs.isEmpty()) {
        // we are the first node - turn off autobootstrap
        cfg.setConfig(DbConfigConstants.AUTOBOOT, Boolean.FALSE.toString());
      }
      // persist configuration
      _coordinator.persistServiceConfiguration(_coordinator.getSiteId(), cfg);
      config = cfg;
    }
    return config;
  }