Merge branch 'master' into backend
This commit is contained in:
Alexander Zobnin
871
src/datasource-zabbix/datasource.ts
Normal file
871
src/datasource-zabbix/datasource.ts
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@@ -0,0 +1,871 @@
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import _ from 'lodash';
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import config from 'grafana/app/core/config';
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import { contextSrv } from 'grafana/app/core/core';
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import * as dateMath from 'grafana/app/core/utils/datemath';
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import * as utils from './utils';
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import * as migrations from './migrations';
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import * as metricFunctions from './metricFunctions';
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import * as c from './constants';
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import dataProcessor from './dataProcessor';
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import responseHandler from './responseHandler';
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import problemsHandler from './problemsHandler';
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import { Zabbix } from './zabbix/zabbix';
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import { ZabbixAPIError } from './zabbix/connectors/zabbix_api/zabbixAPICore';
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import { VariableQueryTypes, ShowProblemTypes } from './types';
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import { getBackendSrv } from '@grafana/runtime';
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import { DataSourceApi, DataSourceInstanceSettings } from '@grafana/data';
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export class ZabbixDatasource extends DataSourceApi {
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name: string;
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url: string;
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basicAuth: any;
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withCredentials: any;
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username: string;
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password: string;
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trends: boolean;
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trendsFrom: string;
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trendsRange: string;
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cacheTTL: any;
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alertingEnabled: boolean;
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addThresholds: boolean;
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alertingMinSeverity: string;
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disableReadOnlyUsersAck: boolean;
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enableDirectDBConnection: boolean;
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dbConnectionDatasourceId: number;
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dbConnectionDatasourceName: string;
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dbConnectionRetentionPolicy: string;
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enableDebugLog: boolean;
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datasourceId: number;
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zabbix: Zabbix;
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replaceTemplateVars: (target: any, scopedVars?: any) => any;
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/** @ngInject */
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constructor(instanceSettings: DataSourceInstanceSettings, private templateSrv, private zabbixAlertingSrv) {
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super(instanceSettings);
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this.templateSrv = templateSrv;
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this.zabbixAlertingSrv = zabbixAlertingSrv;
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this.enableDebugLog = config.buildInfo.env === 'development';
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// Use custom format for template variables
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this.replaceTemplateVars = _.partial(replaceTemplateVars, this.templateSrv);
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// General data source settings
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this.datasourceId = instanceSettings.id;
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this.name = instanceSettings.name;
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this.url = instanceSettings.url;
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this.basicAuth = instanceSettings.basicAuth;
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this.withCredentials = instanceSettings.withCredentials;
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const jsonData = migrations.migrateDSConfig(instanceSettings.jsonData);
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// Zabbix API credentials
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this.username = jsonData.username;
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this.password = jsonData.password;
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// Use trends instead history since specified time
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this.trends = jsonData.trends;
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this.trendsFrom = jsonData.trendsFrom || '7d';
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this.trendsRange = jsonData.trendsRange || '4d';
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// Set cache update interval
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const ttl = jsonData.cacheTTL || '1h';
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this.cacheTTL = utils.parseInterval(ttl);
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// Alerting options
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this.alertingEnabled = jsonData.alerting;
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this.addThresholds = jsonData.addThresholds;
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this.alertingMinSeverity = jsonData.alertingMinSeverity || c.SEV_WARNING;
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// Other options
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this.disableReadOnlyUsersAck = jsonData.disableReadOnlyUsersAck;
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// Direct DB Connection options
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this.enableDirectDBConnection = jsonData.dbConnectionEnable || false;
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this.dbConnectionDatasourceId = jsonData.dbConnectionDatasourceId;
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this.dbConnectionDatasourceName = jsonData.dbConnectionDatasourceName;
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this.dbConnectionRetentionPolicy = jsonData.dbConnectionRetentionPolicy;
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const zabbixOptions = {
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url: this.url,
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username: this.username,
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password: this.password,
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basicAuth: this.basicAuth,
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withCredentials: this.withCredentials,
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cacheTTL: this.cacheTTL,
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enableDirectDBConnection: this.enableDirectDBConnection,
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dbConnectionDatasourceId: this.dbConnectionDatasourceId,
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dbConnectionDatasourceName: this.dbConnectionDatasourceName,
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dbConnectionRetentionPolicy: this.dbConnectionRetentionPolicy,
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datasourceId: this.datasourceId,
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};
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this.zabbix = new Zabbix(zabbixOptions);
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}
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////////////////////////
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// Datasource methods //
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////////////////////////
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/**
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* Query panel data. Calls for each panel in dashboard.
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* @param {Object} options Contains time range, targets and other info.
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* @return {Object} Grafana metrics object with timeseries data for each target.
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*/
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query(options) {
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// console.log('invoking doTsdbRequest()');
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// this.doTsdbRequest(options);
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// Get alerts for current panel
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if (this.alertingEnabled) {
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this.alertQuery(options).then(alert => {
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this.zabbixAlertingSrv.setPanelAlertState(options.panelId, alert.state);
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this.zabbixAlertingSrv.removeZabbixThreshold(options.panelId);
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if (this.addThresholds) {
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_.forEach(alert.thresholds, threshold => {
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this.zabbixAlertingSrv.setPanelThreshold(options.panelId, threshold);
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});
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}
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});
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}
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// Create request for each target
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const promises = _.map(options.targets, t => {
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// Don't request for hidden targets
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if (t.hide) {
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return [];
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}
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let timeFrom = Math.ceil(dateMath.parse(options.range.from) / 1000);
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let timeTo = Math.ceil(dateMath.parse(options.range.to) / 1000);
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// Add range variables
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options.scopedVars = Object.assign({}, options.scopedVars, utils.getRangeScopedVars(options.range));
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// Prevent changes of original object
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let target = _.cloneDeep(t);
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// Migrate old targets
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target = migrations.migrate(target);
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this.replaceTargetVariables(target, options);
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// Apply Time-related functions (timeShift(), etc)
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const timeFunctions = bindFunctionDefs(target.functions, 'Time');
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if (timeFunctions.length) {
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const [time_from, time_to] = utils.sequence(timeFunctions)([timeFrom, timeTo]);
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timeFrom = time_from;
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timeTo = time_to;
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}
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const timeRange = [timeFrom, timeTo];
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const useTrends = this.isUseTrends(timeRange);
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// Metrics or Text query
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if (!target.queryType || target.queryType === c.MODE_METRICS || target.queryType === c.MODE_TEXT) {
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// Don't request undefined targets
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if (!target.group || !target.host || !target.item) {
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return [];
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}
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if (!target.queryType || target.queryType === c.MODE_METRICS) {
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return this.queryNumericData(target, timeRange, useTrends, options);
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} else if (target.queryType === c.MODE_TEXT) {
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return this.queryTextData(target, timeRange);
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} else {
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return [];
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}
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} else if (target.queryType === c.MODE_ITEMID) {
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// Item ID query
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if (!target.itemids) {
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return [];
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}
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return this.queryItemIdData(target, timeRange, useTrends, options);
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} else if (target.queryType === c.MODE_ITSERVICE) {
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// IT services query
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return this.queryITServiceData(target, timeRange, options);
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} else if (target.queryType === c.MODE_TRIGGERS) {
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// Triggers query
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return this.queryTriggersData(target, timeRange);
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} else if (target.queryType === c.MODE_PROBLEMS) {
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// Problems query
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return this.queryProblems(target, timeRange, options);
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} else {
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return [];
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}
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});
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// Data for panel (all targets)
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return Promise.all(_.flatten(promises))
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.then(_.flatten)
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.then(data => {
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return { data: data };
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});
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}
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doTsdbRequest(options) {
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const tsdbRequestData: any = {
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queries: options.targets.map(target => {
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target.datasourceId = this.datasourceId;
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target.queryType = 'zabbixAPI';
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return target;
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}),
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};
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if (options.range) {
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tsdbRequestData.from = options.range.from.valueOf().toString();
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tsdbRequestData.to = options.range.to.valueOf().toString();
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}
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return getBackendSrv().post('/api/tsdb/query', tsdbRequestData);
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}
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/**
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* @returns {Promise<TSDBResponse>}
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*/
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doTSDBConnectionTest() {
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/**
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* @type {{ queries: ZabbixConnectionTestQuery[] }}
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*/
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const tsdbRequestData = {
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queries: [
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{
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datasourceId: this.datasourceId,
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queryType: 'connectionTest'
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}
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]
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};
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return getBackendSrv().post('/api/tsdb/query', tsdbRequestData);
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}
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/**
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* Query target data for Metrics
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*/
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queryNumericData(target, timeRange, useTrends, options) {
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let queryStart, queryEnd;
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const getItemOptions = {
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itemtype: 'num'
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};
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return this.zabbix.getItemsFromTarget(target, getItemOptions)
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.then(items => {
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queryStart = new Date().getTime();
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return this.queryNumericDataForItems(items, target, timeRange, useTrends, options);
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}).then(result => {
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queryEnd = new Date().getTime();
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if (this.enableDebugLog) {
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console.log(`Datasource::Performance Query Time (${this.name}): ${queryEnd - queryStart}`);
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}
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return result;
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});
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}
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/**
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* Query history for numeric items
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*/
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queryNumericDataForItems(items, target, timeRange, useTrends, options) {
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let getHistoryPromise;
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options.valueType = this.getTrendValueType(target);
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options.consolidateBy = getConsolidateBy(target) || options.valueType;
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if (useTrends) {
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getHistoryPromise = this.zabbix.getTrends(items, timeRange, options);
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} else {
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getHistoryPromise = this.zabbix.getHistoryTS(items, timeRange, options);
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}
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return getHistoryPromise
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.then(timeseries => this.applyDataProcessingFunctions(timeseries, target))
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.then(timeseries => downsampleSeries(timeseries, options));
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}
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getTrendValueType(target) {
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// Find trendValue() function and get specified trend value
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const trendFunctions = _.map(metricFunctions.getCategories()['Trends'], 'name');
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const trendValueFunc = _.find(target.functions, func => {
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return _.includes(trendFunctions, func.def.name);
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});
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return trendValueFunc ? trendValueFunc.params[0] : "avg";
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}
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applyDataProcessingFunctions(timeseries_data, target) {
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const transformFunctions = bindFunctionDefs(target.functions, 'Transform');
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const aggregationFunctions = bindFunctionDefs(target.functions, 'Aggregate');
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const filterFunctions = bindFunctionDefs(target.functions, 'Filter');
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const aliasFunctions = bindFunctionDefs(target.functions, 'Alias');
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// Apply transformation functions
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timeseries_data = _.cloneDeep(_.map(timeseries_data, timeseries => {
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timeseries.datapoints = utils.sequence(transformFunctions)(timeseries.datapoints);
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return timeseries;
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}));
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// Apply filter functions
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if (filterFunctions.length) {
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timeseries_data = utils.sequence(filterFunctions)(timeseries_data);
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}
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// Apply aggregations
|
||||
if (aggregationFunctions.length) {
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let dp = _.map(timeseries_data, 'datapoints');
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dp = utils.sequence(aggregationFunctions)(dp);
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const aggFuncNames = _.map(metricFunctions.getCategories()['Aggregate'], 'name');
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const lastAgg = _.findLast(target.functions, func => {
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return _.includes(aggFuncNames, func.def.name);
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});
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timeseries_data = [{
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target: lastAgg.text,
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datapoints: dp
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}];
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}
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// Apply alias functions
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_.forEach(timeseries_data, utils.sequence(aliasFunctions).bind(this));
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|
||||
// Apply Time-related functions (timeShift(), etc)
|
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// Find timeShift() function and get specified trend value
|
||||
this.applyTimeShiftFunction(timeseries_data, target);
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||||
return timeseries_data;
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}
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||||
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applyTimeShiftFunction(timeseries_data, target) {
|
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// Find timeShift() function and get specified interval
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const timeShiftFunc = _.find(target.functions, (func) => {
|
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return func.def.name === 'timeShift';
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||||
});
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||||
if (timeShiftFunc) {
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||||
const shift = timeShiftFunc.params[0];
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||||
_.forEach(timeseries_data, (series) => {
|
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series.datapoints = dataProcessor.unShiftTimeSeries(shift, series.datapoints);
|
||||
});
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Query target data for Text
|
||||
*/
|
||||
queryTextData(target, timeRange) {
|
||||
const options = {
|
||||
itemtype: 'text'
|
||||
};
|
||||
return this.zabbix.getItemsFromTarget(target, options)
|
||||
.then(items => {
|
||||
return this.zabbix.getHistoryText(items, timeRange, target);
|
||||
});
|
||||
}
|
||||
|
||||
/**
|
||||
* Query target data for Item ID
|
||||
*/
|
||||
queryItemIdData(target, timeRange, useTrends, options) {
|
||||
let itemids = target.itemids;
|
||||
itemids = this.templateSrv.replace(itemids, options.scopedVars, zabbixItemIdsTemplateFormat);
|
||||
itemids = _.map(itemids.split(','), itemid => itemid.trim());
|
||||
|
||||
if (!itemids) {
|
||||
return [];
|
||||
}
|
||||
|
||||
return this.zabbix.getItemsByIDs(itemids)
|
||||
.then(items => {
|
||||
return this.queryNumericDataForItems(items, target, timeRange, useTrends, options);
|
||||
});
|
||||
}
|
||||
|
||||
/**
|
||||
* Query target data for IT Services
|
||||
*/
|
||||
queryITServiceData(target, timeRange, options) {
|
||||
// Don't show undefined and hidden targets
|
||||
if (target.hide || (!target.itservice && !target.itServiceFilter) || !target.slaProperty) {
|
||||
return [];
|
||||
}
|
||||
|
||||
let itServiceFilter;
|
||||
options.isOldVersion = target.itservice && !target.itServiceFilter;
|
||||
|
||||
if (options.isOldVersion) {
|
||||
// Backward compatibility
|
||||
itServiceFilter = '/.*/';
|
||||
} else {
|
||||
itServiceFilter = this.replaceTemplateVars(target.itServiceFilter, options.scopedVars);
|
||||
}
|
||||
|
||||
options.slaInterval = target.slaInterval;
|
||||
|
||||
return this.zabbix.getITServices(itServiceFilter)
|
||||
.then(itservices => {
|
||||
if (options.isOldVersion) {
|
||||
itservices = _.filter(itservices, {'serviceid': target.itservice?.serviceid});
|
||||
}
|
||||
return this.zabbix.getSLA(itservices, timeRange, target, options);})
|
||||
.then(itservicesdp => this.applyDataProcessingFunctions(itservicesdp, target));
|
||||
}
|
||||
|
||||
queryTriggersData(target, timeRange) {
|
||||
const [timeFrom, timeTo] = timeRange;
|
||||
return this.zabbix.getHostsFromTarget(target)
|
||||
.then(results => {
|
||||
const [hosts, apps] = results;
|
||||
if (hosts.length) {
|
||||
const hostids = _.map(hosts, 'hostid');
|
||||
const appids = _.map(apps, 'applicationid');
|
||||
const options = {
|
||||
minSeverity: target.triggers.minSeverity,
|
||||
acknowledged: target.triggers.acknowledged,
|
||||
count: target.triggers.count,
|
||||
timeFrom: timeFrom,
|
||||
timeTo: timeTo
|
||||
};
|
||||
const groupFilter = target.group.filter;
|
||||
return Promise.all([
|
||||
this.zabbix.getHostAlerts(hostids, appids, options),
|
||||
this.zabbix.getGroups(groupFilter)
|
||||
])
|
||||
.then(([triggers, groups]) => {
|
||||
return responseHandler.handleTriggersResponse(triggers, groups, timeRange);
|
||||
});
|
||||
} else {
|
||||
return Promise.resolve([]);
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
queryProblems(target, timeRange, options) {
|
||||
const [timeFrom, timeTo] = timeRange;
|
||||
const userIsEditor = contextSrv.isEditor || contextSrv.isGrafanaAdmin;
|
||||
|
||||
let proxies;
|
||||
let showAckButton = true;
|
||||
|
||||
const showProblems = target.showProblems || ShowProblemTypes.Problems;
|
||||
const showProxy = target.options.hostProxy;
|
||||
|
||||
const getProxiesPromise = showProxy ? this.zabbix.getProxies() : () => [];
|
||||
showAckButton = !this.disableReadOnlyUsersAck || userIsEditor;
|
||||
|
||||
// Replace template variables
|
||||
const groupFilter = this.replaceTemplateVars(target.group?.filter, options.scopedVars);
|
||||
const hostFilter = this.replaceTemplateVars(target.host?.filter, options.scopedVars);
|
||||
const appFilter = this.replaceTemplateVars(target.application?.filter, options.scopedVars);
|
||||
const proxyFilter = this.replaceTemplateVars(target.proxy?.filter, options.scopedVars);
|
||||
|
||||
const triggerFilter = this.replaceTemplateVars(target.trigger?.filter, options.scopedVars);
|
||||
const tagsFilter = this.replaceTemplateVars(target.tags?.filter, options.scopedVars);
|
||||
|
||||
const replacedTarget = {
|
||||
...target,
|
||||
trigger: { filter: triggerFilter },
|
||||
tags: { filter: tagsFilter },
|
||||
};
|
||||
|
||||
const problemsOptions: any = {
|
||||
recent: showProblems === ShowProblemTypes.Recent,
|
||||
minSeverity: target.options?.minSeverity,
|
||||
limit: target.options?.limit,
|
||||
};
|
||||
|
||||
if (target.options?.acknowledged === 0 || target.options?.acknowledged === 1) {
|
||||
problemsOptions.acknowledged = target.options?.acknowledged ? true : false;
|
||||
}
|
||||
|
||||
if (target.options?.minSeverity) {
|
||||
const severities = [0, 1, 2, 3, 4, 5].filter(v => v >= target.options?.minSeverity);
|
||||
problemsOptions.severities = severities;
|
||||
}
|
||||
|
||||
if (showProblems === ShowProblemTypes.History) {
|
||||
problemsOptions.timeFrom = timeFrom;
|
||||
problemsOptions.timeTo = timeTo;
|
||||
}
|
||||
|
||||
const getProblemsPromise = showProblems === ShowProblemTypes.History ?
|
||||
this.zabbix.getProblemsHistory(groupFilter, hostFilter, appFilter, proxyFilter, problemsOptions) :
|
||||
this.zabbix.getProblems(groupFilter, hostFilter, appFilter, proxyFilter, problemsOptions);
|
||||
|
||||
const problemsPromises = Promise.all([
|
||||
getProblemsPromise,
|
||||
getProxiesPromise
|
||||
])
|
||||
.then(([problems, sourceProxies]) => {
|
||||
proxies = _.keyBy(sourceProxies, 'proxyid');
|
||||
return problems;
|
||||
})
|
||||
.then(problems => problemsHandler.setMaintenanceStatus(problems))
|
||||
.then(problems => problemsHandler.setAckButtonStatus(problems, showAckButton))
|
||||
.then(problems => problemsHandler.filterTriggersPre(problems, replacedTarget))
|
||||
.then(problems => problemsHandler.addTriggerDataSource(problems, target))
|
||||
.then(problems => problemsHandler.addTriggerHostProxy(problems, proxies));
|
||||
|
||||
return problemsPromises.then(problems => {
|
||||
const problemsDataFrame = problemsHandler.toDataFrame(problems);
|
||||
return problemsDataFrame;
|
||||
});
|
||||
}
|
||||
|
||||
/**
|
||||
* Test connection to Zabbix API and external history DB.
|
||||
*/
|
||||
async testDatasource() {
|
||||
try {
|
||||
const result = await this.doTSDBConnectionTest();
|
||||
/**
|
||||
* @type {ZabbixConnectionInfo}
|
||||
*/
|
||||
const { zabbixVersion, dbConnectorStatus } = result.results["zabbixAPI"].meta;
|
||||
let message = `Zabbix API version: ${zabbixVersion}`;
|
||||
if (dbConnectorStatus) {
|
||||
message += `, DB connector type: ${dbConnectorStatus.dsType}`;
|
||||
}
|
||||
return {
|
||||
status: "success",
|
||||
title: "Success",
|
||||
message: message
|
||||
};
|
||||
} catch (error) {
|
||||
if (error instanceof ZabbixAPIError) {
|
||||
return {
|
||||
status: "error",
|
||||
title: error.message,
|
||||
message: error.message
|
||||
};
|
||||
} else if (error.data && error.data.message) {
|
||||
return {
|
||||
status: "error",
|
||||
title: "Zabbix Client Error",
|
||||
message: error.data.message
|
||||
};
|
||||
} else if (typeof (error) === 'string') {
|
||||
return {
|
||||
status: "error",
|
||||
title: "Unknown Error",
|
||||
message: error
|
||||
};
|
||||
} else {
|
||||
console.log(error);
|
||||
return {
|
||||
status: "error",
|
||||
title: "Connection failed",
|
||||
message: "Could not connect to given url"
|
||||
};
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
////////////////
|
||||
// Templating //
|
||||
////////////////
|
||||
|
||||
/**
|
||||
* Find metrics from templated request.
|
||||
*
|
||||
* @param {string} query Query from Templating
|
||||
* @return {string} Metric name - group, host, app or item or list
|
||||
* of metrics in "{metric1,metcic2,...,metricN}" format.
|
||||
*/
|
||||
metricFindQuery(query, options) {
|
||||
let resultPromise;
|
||||
let queryModel = _.cloneDeep(query);
|
||||
|
||||
if (!query) {
|
||||
return Promise.resolve([]);
|
||||
}
|
||||
|
||||
if (typeof query === 'string') {
|
||||
// Backward compatibility
|
||||
queryModel = utils.parseLegacyVariableQuery(query);
|
||||
}
|
||||
|
||||
for (const prop of ['group', 'host', 'application', 'item']) {
|
||||
queryModel[prop] = this.replaceTemplateVars(queryModel[prop], {});
|
||||
}
|
||||
|
||||
const { group, host, application, item } = queryModel;
|
||||
|
||||
switch (queryModel.queryType) {
|
||||
case VariableQueryTypes.Group:
|
||||
resultPromise = this.zabbix.getGroups(queryModel.group);
|
||||
break;
|
||||
case VariableQueryTypes.Host:
|
||||
resultPromise = this.zabbix.getHosts(queryModel.group, queryModel.host);
|
||||
break;
|
||||
case VariableQueryTypes.Application:
|
||||
resultPromise = this.zabbix.getApps(queryModel.group, queryModel.host, queryModel.application);
|
||||
break;
|
||||
case VariableQueryTypes.Item:
|
||||
resultPromise = this.zabbix.getItems(queryModel.group, queryModel.host, queryModel.application, queryModel.item);
|
||||
break;
|
||||
case VariableQueryTypes.ItemValues:
|
||||
const range = options?.range;
|
||||
resultPromise = this.zabbix.getItemValues(group, host, application, item, { range });
|
||||
break;
|
||||
default:
|
||||
resultPromise = Promise.resolve([]);
|
||||
break;
|
||||
}
|
||||
|
||||
return resultPromise.then(metrics => {
|
||||
return _.map(metrics, formatMetric);
|
||||
});
|
||||
}
|
||||
|
||||
/////////////////
|
||||
// Annotations //
|
||||
/////////////////
|
||||
|
||||
annotationQuery(options) {
|
||||
const timeRange = options.range || options.rangeRaw;
|
||||
const timeFrom = Math.ceil(dateMath.parse(timeRange.from) / 1000);
|
||||
const timeTo = Math.ceil(dateMath.parse(timeRange.to) / 1000);
|
||||
const annotation = options.annotation;
|
||||
|
||||
// Show all triggers
|
||||
const problemsOptions: any = {
|
||||
value: annotation.showOkEvents ? ['0', '1'] : '1',
|
||||
valueFromEvent: true,
|
||||
timeFrom,
|
||||
timeTo,
|
||||
};
|
||||
|
||||
if (annotation.minseverity) {
|
||||
const severities = [0, 1, 2, 3, 4, 5].filter(v => v >= Number(annotation.minseverity));
|
||||
problemsOptions.severities = severities;
|
||||
}
|
||||
|
||||
const groupFilter = this.replaceTemplateVars(annotation.group, {});
|
||||
const hostFilter = this.replaceTemplateVars(annotation.host, {});
|
||||
const appFilter = this.replaceTemplateVars(annotation.application, {});
|
||||
const proxyFilter = undefined;
|
||||
|
||||
return this.zabbix.getProblemsHistory(groupFilter, hostFilter, appFilter, proxyFilter, problemsOptions)
|
||||
.then(problems => {
|
||||
// Filter triggers by description
|
||||
const problemName = this.replaceTemplateVars(annotation.trigger, {});
|
||||
if (utils.isRegex(problemName)) {
|
||||
problems = _.filter(problems, p => {
|
||||
return utils.buildRegex(problemName).test(p.description);
|
||||
});
|
||||
} else if (problemName) {
|
||||
problems = _.filter(problems, p => {
|
||||
return p.description === problemName;
|
||||
});
|
||||
}
|
||||
|
||||
// Hide acknowledged events if option enabled
|
||||
if (annotation.hideAcknowledged) {
|
||||
problems = _.filter(problems, p => {
|
||||
return !p.acknowledges?.length;
|
||||
});
|
||||
}
|
||||
|
||||
return _.map(problems, p => {
|
||||
const formattedAcknowledges = utils.formatAcknowledges(p.acknowledges);
|
||||
|
||||
let annotationTags: string[] = [];
|
||||
if (annotation.showHostname) {
|
||||
annotationTags = _.map(p.hosts, 'name');
|
||||
}
|
||||
|
||||
return {
|
||||
title: p.value === '1' ? 'Problem' : 'OK',
|
||||
time: p.timestamp * 1000,
|
||||
annotation: annotation,
|
||||
text: p.name + formattedAcknowledges,
|
||||
tags: annotationTags,
|
||||
};
|
||||
});
|
||||
});
|
||||
}
|
||||
|
||||
/**
|
||||
* Get triggers and its details for panel's targets
|
||||
* Returns alert state ('ok' if no fired triggers, or 'alerting' if at least 1 trigger is fired)
|
||||
* or empty object if no related triggers are finded.
|
||||
*/
|
||||
alertQuery(options) {
|
||||
const enabled_targets = filterEnabledTargets(options.targets);
|
||||
const getPanelItems = _.map(enabled_targets, t => {
|
||||
let target = _.cloneDeep(t);
|
||||
target = migrations.migrate(target);
|
||||
this.replaceTargetVariables(target, options);
|
||||
return this.zabbix.getItemsFromTarget(target, {itemtype: 'num'});
|
||||
});
|
||||
|
||||
return Promise.all(getPanelItems)
|
||||
.then(results => {
|
||||
const items = _.flatten(results);
|
||||
const itemids = _.map(items, 'itemid');
|
||||
|
||||
if (itemids.length === 0) {
|
||||
return [];
|
||||
}
|
||||
return this.zabbix.getAlerts(itemids);
|
||||
})
|
||||
.then(triggers => {
|
||||
triggers = _.filter(triggers, trigger => {
|
||||
return trigger.priority >= this.alertingMinSeverity;
|
||||
});
|
||||
|
||||
if (!triggers || triggers.length === 0) {
|
||||
return {};
|
||||
}
|
||||
|
||||
let state = 'ok';
|
||||
|
||||
const firedTriggers = _.filter(triggers, {value: '1'});
|
||||
if (firedTriggers.length) {
|
||||
state = 'alerting';
|
||||
}
|
||||
|
||||
const thresholds = _.map(triggers, trigger => {
|
||||
return getTriggerThreshold(trigger.expression);
|
||||
});
|
||||
|
||||
return {
|
||||
panelId: options.panelId,
|
||||
state: state,
|
||||
thresholds: thresholds
|
||||
};
|
||||
});
|
||||
}
|
||||
|
||||
// Replace template variables
|
||||
replaceTargetVariables(target, options) {
|
||||
const parts = ['group', 'host', 'application', 'item'];
|
||||
_.forEach(parts, p => {
|
||||
if (target[p] && target[p].filter) {
|
||||
target[p].filter = this.replaceTemplateVars(target[p].filter, options.scopedVars);
|
||||
}
|
||||
});
|
||||
target.textFilter = this.replaceTemplateVars(target.textFilter, options.scopedVars);
|
||||
|
||||
_.forEach(target.functions, func => {
|
||||
func.params = _.map(func.params, param => {
|
||||
if (typeof param === 'number') {
|
||||
return +this.templateSrv.replace(param.toString(), options.scopedVars);
|
||||
} else {
|
||||
return this.templateSrv.replace(param, options.scopedVars);
|
||||
}
|
||||
});
|
||||
});
|
||||
}
|
||||
|
||||
isUseTrends(timeRange) {
|
||||
const [timeFrom, timeTo] = timeRange;
|
||||
const useTrendsFrom = Math.ceil(dateMath.parse('now-' + this.trendsFrom) / 1000);
|
||||
const useTrendsRange = Math.ceil(utils.parseInterval(this.trendsRange) / 1000);
|
||||
const useTrends = this.trends && (
|
||||
(timeFrom < useTrendsFrom) ||
|
||||
(timeTo - timeFrom > useTrendsRange)
|
||||
);
|
||||
return useTrends;
|
||||
}
|
||||
}
|
||||
|
||||
function bindFunctionDefs(functionDefs, category) {
|
||||
const aggregationFunctions = _.map(metricFunctions.getCategories()[category], 'name');
|
||||
const aggFuncDefs = _.filter(functionDefs, func => {
|
||||
return _.includes(aggregationFunctions, func.def.name);
|
||||
});
|
||||
|
||||
return _.map(aggFuncDefs, func => {
|
||||
const funcInstance = metricFunctions.createFuncInstance(func.def, func.params);
|
||||
return funcInstance.bindFunction(dataProcessor.metricFunctions);
|
||||
});
|
||||
}
|
||||
|
||||
function getConsolidateBy(target) {
|
||||
let consolidateBy;
|
||||
const funcDef = _.find(target.functions, func => {
|
||||
return func.def.name === 'consolidateBy';
|
||||
});
|
||||
if (funcDef && funcDef.params && funcDef.params.length) {
|
||||
consolidateBy = funcDef.params[0];
|
||||
}
|
||||
return consolidateBy;
|
||||
}
|
||||
|
||||
function downsampleSeries(timeseries_data, options) {
|
||||
const defaultAgg = dataProcessor.aggregationFunctions['avg'];
|
||||
const consolidateByFunc = dataProcessor.aggregationFunctions[options.consolidateBy] || defaultAgg;
|
||||
return _.map(timeseries_data, timeseries => {
|
||||
if (timeseries.datapoints.length > options.maxDataPoints) {
|
||||
timeseries.datapoints = dataProcessor
|
||||
.groupBy(options.interval, consolidateByFunc, timeseries.datapoints);
|
||||
}
|
||||
return timeseries;
|
||||
});
|
||||
}
|
||||
|
||||
function formatMetric(metricObj) {
|
||||
return {
|
||||
text: metricObj.name,
|
||||
expandable: false
|
||||
};
|
||||
}
|
||||
|
||||
/**
|
||||
* Custom formatter for template variables.
|
||||
* Default Grafana "regex" formatter returns
|
||||
* value1|value2
|
||||
* This formatter returns
|
||||
* (value1|value2)
|
||||
* This format needed for using in complex regex with
|
||||
* template variables, for example
|
||||
* /CPU $cpu_item.*time/ where $cpu_item is system,user,iowait
|
||||
*/
|
||||
export function zabbixTemplateFormat(value) {
|
||||
if (typeof value === 'string') {
|
||||
return utils.escapeRegex(value);
|
||||
}
|
||||
|
||||
const escapedValues = _.map(value, utils.escapeRegex);
|
||||
return '(' + escapedValues.join('|') + ')';
|
||||
}
|
||||
|
||||
function zabbixItemIdsTemplateFormat(value) {
|
||||
if (typeof value === 'string') {
|
||||
return value;
|
||||
}
|
||||
return value.join(',');
|
||||
}
|
||||
|
||||
/**
|
||||
* If template variables are used in request, replace it using regex format
|
||||
* and wrap with '/' for proper multi-value work. Example:
|
||||
* $variable selected as a, b, c
|
||||
* We use filter $variable
|
||||
* $variable -> a|b|c -> /a|b|c/
|
||||
* /$variable/ -> /a|b|c/ -> /a|b|c/
|
||||
*/
|
||||
function replaceTemplateVars(templateSrv, target, scopedVars) {
|
||||
let replacedTarget = templateSrv.replace(target, scopedVars, zabbixTemplateFormat);
|
||||
if (target !== replacedTarget && !utils.isRegex(replacedTarget)) {
|
||||
replacedTarget = '/^' + replacedTarget + '$/';
|
||||
}
|
||||
return replacedTarget;
|
||||
}
|
||||
|
||||
function filterEnabledTargets(targets) {
|
||||
return _.filter(targets, target => {
|
||||
return !(target.hide || !target.group || !target.host || !target.item);
|
||||
});
|
||||
}
|
||||
|
||||
function getTriggerThreshold(expression) {
|
||||
const thresholdPattern = /.*[<>=]{1,2}([\d\.]+)/;
|
||||
const finded_thresholds = expression.match(thresholdPattern);
|
||||
if (finded_thresholds && finded_thresholds.length >= 2) {
|
||||
let threshold = finded_thresholds[1];
|
||||
threshold = Number(threshold);
|
||||
return threshold;
|
||||
} else {
|
||||
return null;
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user