422 lines
14 KiB
JavaScript
422 lines
14 KiB
JavaScript
define([
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'angular',
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'lodash',
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'app/core/utils/datemath',
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'./utils',
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'./metricFunctions',
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'./queryProcessor',
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'./directives',
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'./zabbixAPI',
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'./helperFunctions',
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'./dataProcessingService',
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'./zabbixCache',
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'./queryCtrl',
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'./addMetricFunction',
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'./metricFunctionEditor'
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],
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function (angular, _, dateMath, utils, metricFunctions) {
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'use strict';
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/** @ngInject */
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function ZabbixAPIDatasource(instanceSettings, $q, templateSrv, alertSrv, zabbixHelperSrv,
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ZabbixAPI, ZabbixCache, QueryProcessor, DataProcessingService) {
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// General data source settings
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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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// Zabbix API credentials
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this.username = instanceSettings.jsonData.username;
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this.password = instanceSettings.jsonData.password;
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// Use trends instead history since specified time
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this.trends = instanceSettings.jsonData.trends;
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this.trendsFrom = instanceSettings.jsonData.trendsFrom || '7d';
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// Initialize Zabbix API
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this.zabbixAPI = new ZabbixAPI(this.url, this.username, this.password, this.basicAuth, this.withCredentials);
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// Initialize cache service
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this.zabbixCache = new ZabbixCache(this.zabbixAPI);
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// Initialize query builder
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this.queryProcessor = new QueryProcessor(this.zabbixCache);
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console.log(this.zabbixCache);
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////////////////////////
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// Datasource methods //
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////////////////////////
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/**
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* Test connection to Zabbix API
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* @return {object} Connection status and Zabbix API version
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*/
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this.testDatasource = function() {
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var self = this;
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return this.zabbixAPI.getVersion().then(function (version) {
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return self.zabbixAPI.login().then(function (auth) {
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if (auth) {
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return {
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status: "success",
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title: "Success",
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message: "Zabbix API version: " + version
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};
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} else {
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return {
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status: "error",
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title: "Invalid user name or password",
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message: "Zabbix API version: " + version
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};
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}
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}, function(error) {
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console.log(error);
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return {
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status: "error",
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title: "Connection failed",
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message: error
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};
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});
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},
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function(error) {
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console.log(error);
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return {
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status: "error",
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title: "Connection failed",
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message: "Could not connect to given url"
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};
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});
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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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this.query = function(options) {
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var self = this;
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// get from & to in seconds
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var from = Math.ceil(dateMath.parse(options.range.from) / 1000);
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var to = Math.ceil(dateMath.parse(options.range.to) / 1000);
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var useTrendsFrom = Math.ceil(dateMath.parse('now-' + this.trendsFrom) / 1000);
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// Create request for each target
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var promises = _.map(options.targets, function(target) {
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if (target.mode !== 1) {
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// Don't show hidden targets
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if (target.hide) {
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return [];
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}
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// Replace templated variables
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var groupFilter = templateSrv.replace(target.group.filter, options.scopedVars);
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var hostFilter = templateSrv.replace(target.host.filter, options.scopedVars);
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var appFilter = templateSrv.replace(target.application.filter, options.scopedVars);
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var itemFilter = templateSrv.replace(target.item.filter, options.scopedVars);
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// Query numeric data
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if (!target.mode || target.mode === 0) {
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var items = self.queryProcessor.build(groupFilter, hostFilter, appFilter, itemFilter);
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// Add hostname for items from multiple hosts
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var addHostName = target.host.isRegex;
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var getHistory;
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if ((from < useTrendsFrom) && self.trends) {
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// Use trends
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var valueType = target.downsampleFunction ? target.downsampleFunction.value : "avg";
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getHistory = self.zabbixAPI.getTrends(items, from, to).then(function(history) {
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return self.queryProcessor.handleTrends(history, addHostName, valueType);
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});
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} else {
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// Use history
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getHistory = self.zabbixAPI.getHistory(items, from, to).then(function(history) {
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return self.queryProcessor.handleHistory(history, addHostName);
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});
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}
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return getHistory.then(function (timeseries_data) {
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timeseries_data = _.map(timeseries_data, function (timeseries) {
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// Filter only transform functions
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var transformFunctions = _.map(metricFunctions.getCategories()['Transform'], 'name');
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var transFuncDefs = _.filter(target.functions, function(func) {
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return _.contains(transformFunctions, func.def.name);
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});
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var functions = _.map(transFuncDefs, function(func) {
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return func.bindFunction(DataProcessingService.metricFunctions);
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});
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// Metric data processing
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var dp = timeseries.datapoints;
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for (var i = 0; i < functions.length; i++) {
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dp = functions[i](dp);
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}
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timeseries.datapoints = dp;
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return timeseries;
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});
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// Aggregations
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var aggregationFunctions = _.map(metricFunctions.getCategories()['Aggregate'], 'name');
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var aggFuncDefs = _.filter(target.functions, function(func) {
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return _.contains(aggregationFunctions, func.def.name);
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});
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var functions = _.map(aggFuncDefs, function(func) {
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return func.bindFunction(DataProcessingService.metricFunctions);
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});
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var dp = _.map(timeseries_data, 'datapoints');
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if (functions.length) {
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for (var i = 0; i < functions.length; i++) {
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dp = functions[i](dp);
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}
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timeseries_data = {
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target: 'agg',
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datapoints: dp
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};
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}
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return timeseries_data;
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});
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}
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// Query text data
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else if (target.mode === 2) {
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// Find items by item names and perform queries
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return this.zabbixAPI.itemFindQuery(groups, hosts, apps, "text")
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.then(function (items) {
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items = _.filter(items, function (item) {
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return _.contains(itemnames, zabbixHelperSrv.expandItemName(item));
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});
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return self.zabbixAPI.getHistory(items, from, to).then(function(history) {
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return {
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target: target.item.name,
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datapoints: _.map(history, function (p) {
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var value = p.value;
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if (target.textFilter) {
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var text_extract_pattern = new RegExp(templateSrv.replace(target.textFilter, options.scopedVars));
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//var text_extract_pattern = new RegExp(target.textFilter);
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var result = text_extract_pattern.exec(value);
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if (result) {
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if (target.useCaptureGroups) {
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value = result[1];
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} else {
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value = result[0];
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}
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} else {
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value = null;
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}
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}
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return [value, p.clock * 1000];
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})
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};
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});
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});
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}
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}
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// IT services mode
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else if (target.mode === 1) {
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// Don't show undefined and hidden targets
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if (target.hide || !target.itservice || !target.slaProperty) {
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return [];
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} else {
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return this.zabbixAPI.getSLA(target.itservice.serviceid, from, to)
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.then(_.bind(zabbixHelperSrv.handleSLAResponse, zabbixHelperSrv, target.itservice, target.slaProperty));
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}
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}
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}, this);
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// Data for panel (all targets)
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return $q.all(_.flatten(promises))
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.then(_.flatten)
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.then(function (timeseries_data) {
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// Series downsampling
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var data = _.map(timeseries_data, function(timeseries) {
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var DPS = DataProcessingService;
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if (timeseries.datapoints.length > options.maxDataPoints) {
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timeseries.datapoints = DPS.groupBy(options.interval, DPS.AVERAGE, timeseries.datapoints);
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}
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return timeseries;
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});
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return { data: data };
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});
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};
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////////////////
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// Templating //
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////////////////
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/**
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* Find metrics from templated request.
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*
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* @param {string} query Query from Templating
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* @return {string} Metric name - group, host, app or item or list
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* of metrics in "{metric1,metcic2,...,metricN}" format.
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*/
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this.metricFindQuery = function (query) {
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// Split query. Query structure:
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// group.host.app.item
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var parts = [];
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_.each(query.split('.'), function (part) {
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part = templateSrv.replace(part);
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if (part[0] === '{') {
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// Convert multiple mettrics to array
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// "{metric1,metcic2,...,metricN}" --> [metric1, metcic2,..., metricN]
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parts.push(zabbixHelperSrv.splitMetrics(part));
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} else {
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parts.push(part);
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}
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});
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var template = _.object(['group', 'host', 'app', 'item'], parts);
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// Get items
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if (parts.length === 4) {
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return this.zabbixAPI.itemFindQuery(template.group, template.host, template.app)
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.then(function (result) {
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return _.map(result, function (item) {
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var itemname = zabbixHelperSrv.expandItemName(item);
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return {
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text: itemname,
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expandable: false
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};
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});
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});
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}
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// Get applications
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else if (parts.length === 3) {
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return this.zabbixAPI.appFindQuery(template.host, template.group).then(function (result) {
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return _.map(result, function (app) {
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return {
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text: app.name,
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expandable: false
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};
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});
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});
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}
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// Get hosts
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else if (parts.length === 2) {
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return this.zabbixAPI.hostFindQuery(template.group).then(function (result) {
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return _.map(result, function (host) {
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return {
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text: host.name,
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expandable: false
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};
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});
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});
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}
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// Get groups
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else if (parts.length === 1) {
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return this.zabbixAPI.getGroupByName(template.group).then(function (result) {
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return _.map(result, function (hostgroup) {
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return {
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text: hostgroup.name,
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expandable: false
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};
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});
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});
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}
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// Return empty object for invalid request
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else {
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var d = $q.defer();
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d.resolve([]);
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return d.promise;
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}
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};
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/////////////////
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// Annotations //
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/////////////////
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this.annotationQuery = function(options) {
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var from = Math.ceil(dateMath.parse(options.rangeRaw.from) / 1000);
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var to = Math.ceil(dateMath.parse(options.rangeRaw.to) / 1000);
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var annotation = annotation;
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var self = this;
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// Remove events below the chose severity
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var severities = [];
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for (var i = 5; i >= annotation.minseverity; i--) {
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severities.push(i);
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}
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var params = {
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output: ['triggerid', 'description', 'priority'],
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preservekeys: 1,
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filter: { 'priority': severities },
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search: {
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'description': annotation.trigger
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},
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searchWildcardsEnabled: true,
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expandDescription: true
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};
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if (annotation.host) {
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params.host = templateSrv.replace(annotation.host);
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}
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else if (annotation.group) {
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params.group = templateSrv.replace(annotation.group);
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}
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return this.zabbixAPI.performZabbixAPIRequest('trigger.get', params)
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.then(function (result) {
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if(result) {
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var objects = result;
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var params = {
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output: 'extend',
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time_from: from,
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time_till: to,
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objectids: _.keys(objects),
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select_acknowledges: 'extend',
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selectHosts: 'extend'
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};
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// Show problem events only
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if (!annotation.showOkEvents) {
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params.value = 1;
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}
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return self.zabbixAPI.performZabbixAPIRequest('event.get', params)
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.then(function (result) {
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var events = [];
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_.each(result, function(e) {
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var title ='';
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if (annotation.showHostname) {
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title += e.hosts[0].name + ': ';
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}
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title += Number(e.value) ? 'Problem' : 'OK';
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// Hide acknowledged events
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if (e.acknowledges.length > 0 && annotation.showAcknowledged) { return; }
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var formatted_acknowledges = zabbixHelperSrv.formatAcknowledges(e.acknowledges);
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events.push({
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annotation: annotation,
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time: e.clock * 1000,
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title: title,
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text: objects[e.objectid].description + formatted_acknowledges
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});
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});
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return events;
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});
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} else {
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return [];
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}
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});
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};
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}
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return ZabbixAPIDatasource;
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});
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