Examples with ClusterMetricsBuilder org.apache.hadoop.hbase.ClusterMetricsBuilder used on opensource projects

Example 1 with ClusterMetricsBuilder

use of org.apache.hadoop.hbase.ClusterMetricsBuilder in project hbase by apache.

the class HMaster method getClusterMetricsWithoutCoprocessor.

public ClusterMetrics getClusterMetricsWithoutCoprocessor(EnumSet<Option> options) throws InterruptedIOException {
    ClusterMetricsBuilder builder = ClusterMetricsBuilder.newBuilder();
    // we return all information to client if the list of Option is empty.
    if (options.isEmpty()) {
        options = EnumSet.allOf(Option.class);
    }
    // TASKS and/or LIVE_SERVERS will populate this map, which will be given to the builder if
    // not null after option processing completes.
    Map<ServerName, ServerMetrics> serverMetricsMap = null;
    for (Option opt : options) {
        switch(opt) {
            case HBASE_VERSION:
                builder.setHBaseVersion(VersionInfo.getVersion());
                break;
            case CLUSTER_ID:
                builder.setClusterId(getClusterId());
                break;
            case MASTER:
                builder.setMasterName(getServerName());
                break;
            case BACKUP_MASTERS:
                builder.setBackerMasterNames(getBackupMasters());
                break;
            case TASKS:
                {
                    // Master tasks
                    builder.setMasterTasks(TaskMonitor.get().getTasks().stream().map(task -> ServerTaskBuilder.newBuilder().setDescription(task.getDescription()).setStatus(task.getStatus()).setState(ServerTask.State.valueOf(task.getState().name())).setStartTime(task.getStartTime()).setCompletionTime(task.getCompletionTimestamp()).build()).collect(Collectors.toList()));
                    // Add entries to serverMetricsMap for all live servers, if we haven't already done so
                    if (serverMetricsMap == null) {
                        serverMetricsMap = getOnlineServers();
                    }
                    break;
                }
            case LIVE_SERVERS:
                {
                    // Add entries to serverMetricsMap for all live servers, if we haven't already done so
                    if (serverMetricsMap == null) {
                        serverMetricsMap = getOnlineServers();
                    }
                    break;
                }
            case DEAD_SERVERS:
                {
                    if (serverManager != null) {
                        builder.setDeadServerNames(new ArrayList<>(serverManager.getDeadServers().copyServerNames()));
                    }
                    break;
                }
            case MASTER_COPROCESSORS:
                {
                    if (cpHost != null) {
                        builder.setMasterCoprocessorNames(Arrays.asList(getMasterCoprocessors()));
                    }
                    break;
                }
            case REGIONS_IN_TRANSITION:
                {
                    if (assignmentManager != null) {
                        builder.setRegionsInTransition(assignmentManager.getRegionStates().getRegionsStateInTransition());
                    }
                    break;
                }
            case BALANCER_ON:
                {
                    if (loadBalancerTracker != null) {
                        builder.setBalancerOn(loadBalancerTracker.isBalancerOn());
                    }
                    break;
                }
            case MASTER_INFO_PORT:
                {
                    if (infoServer != null) {
                        builder.setMasterInfoPort(infoServer.getPort());
                    }
                    break;
                }
            case SERVERS_NAME:
                {
                    if (serverManager != null) {
                        builder.setServerNames(serverManager.getOnlineServersList());
                    }
                    break;
                }
            case TABLE_TO_REGIONS_COUNT:
                {
                    if (isActiveMaster() && isInitialized() && assignmentManager != null) {
                        try {
                            Map<TableName, RegionStatesCount> tableRegionStatesCountMap = new HashMap<>();
                            Map<String, TableDescriptor> tableDescriptorMap = getTableDescriptors().getAll();
                            for (TableDescriptor tableDescriptor : tableDescriptorMap.values()) {
                                TableName tableName = tableDescriptor.getTableName();
                                RegionStatesCount regionStatesCount = assignmentManager.getRegionStatesCount(tableName);
                                tableRegionStatesCountMap.put(tableName, regionStatesCount);
                            }
                            builder.setTableRegionStatesCount(tableRegionStatesCountMap);
                        } catch (IOException e) {
                            LOG.error("Error while populating TABLE_TO_REGIONS_COUNT for Cluster Metrics..", e);
                        }
                    }
                    break;
                }
        }
    }
    if (serverMetricsMap != null) {
        builder.setLiveServerMetrics(serverMetricsMap);
    }
    return builder.build();
}