637 lines
18 KiB
JavaScript
637 lines
18 KiB
JavaScript
define([
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'angular',
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'lodash',
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'kbn',
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'./queryCtrl',
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],
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function (angular, _, kbn) {
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'use strict';
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var module = angular.module('grafana.services');
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module.factory('ZabbixAPIDatasource', function($q, backendSrv, templateSrv) {
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function ZabbixAPIDatasource(datasource) {
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this.name = datasource.name;
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this.url = datasource.url;
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// TODO: fix passing username and password from config.html
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this.username = datasource.meta.username;
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this.password = datasource.meta.password;
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// For testing
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this.ds = datasource;
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}
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ZabbixAPIDatasource.prototype.query = function(options) {
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// get from & to in seconds
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var from = Math.ceil(kbn.parseDate(options.range.from).getTime() / 1000);
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var to = Math.ceil(kbn.parseDate(options.range.to).getTime() / 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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// Remove undefined and hidden targets
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if (target.hide || !target.item) {
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return [];
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}
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if (!target.item.templated) {
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// Perform request and then handle result
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return this.performTimeSeriesQuery(target.item, from, to).then(_.partial(
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this.handleZabbixAPIResponse, target.alias));
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} else {
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// Handle templated target
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var item_key = templateSrv.replace(target.item.name);
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var hostname = templateSrv.replace(target.host.name);
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// extract all keys
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var pattern = /([\w.]+(?:\[[^\[]*\])|[\w.]+)/g;
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var keys = item_key.match(pattern);
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var self = this;
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return _.map(keys, function (key) {
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return this.findZabbixItem(hostname, key).then(function (items) {
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if (items.length) {
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var item = items[0];
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var itemname = expandItemName(item);
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return self.performTimeSeriesQuery(item, from, to).then(_.partial(
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self.handleZabbixAPIResponse, itemname));
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} else {
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return [];
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}
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});
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}, this);
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}
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}, this);
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return $q.all(_.flatten(promises)).then(function(results) {
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return { data: _.flatten(results) };
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});
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};
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// Request data from Zabbix API
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ZabbixAPIDatasource.prototype.handleZabbixAPIResponse = function(alias, response) {
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/**
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* Response should be in the format:
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* data: [
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* {
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* target: "Metric name",
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* datapoints: [[<value>, <unixtime>], ...]
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* },
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* {
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* target: "Metric name",
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* datapoints: [[<value>, <unixtime>], ...]
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* },
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* ]
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*/
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var series = {
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target: alias,
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datapoints: _.map(response, function (p) {
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// Value must be a number for properly work
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var value = Number(p.value);
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return [value, p.clock * 1000];
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})
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};
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return $q.when(series);
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};
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// Request data from Zabbix API
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ZabbixAPIDatasource.prototype.performZabbixAPIRequest = function(method, params) {
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var options = {
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method: 'POST',
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headers: {
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'Content-Type': 'application/json'
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},
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url: this.url,
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data: {
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jsonrpc: '2.0',
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method: method,
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params: params,
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auth: this.auth,
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id: 1
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}
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};
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var performedQuery;
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// Check authorization first
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if (!this.auth) {
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var self = this;
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performedQuery = this.performZabbixAPILogin().then(function (response) {
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self.auth = response;
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options.data.auth = response;
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return backendSrv.datasourceRequest(options);
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});
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} else {
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performedQuery = backendSrv.datasourceRequest(options);
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}
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// Handle response
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return performedQuery.then(function (response) {
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if (!response.data) {
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return [];
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}
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return response.data.result;
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});
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};
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/**
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* Perform time series query to Zabbix API
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*
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* @param items: array of zabbix api item objects
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*/
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ZabbixAPIDatasource.prototype.performTimeSeriesQuery = function(items, start, end) {
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var params = {
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output: 'extend',
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history: items.value_type,
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itemids: items.itemid,
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sortfield: 'clock',
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sortorder: 'ASC',
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time_from: start
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};
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// Relative queries (e.g. last hour) don't include an end time
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if (end) {
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params.time_till = end;
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}
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return this.performZabbixAPIRequest('history.get', params);
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};
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// Get authentication token
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ZabbixAPIDatasource.prototype.performZabbixAPILogin = function() {
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var options = {
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url : this.url,
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method : 'POST',
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data: {
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jsonrpc: '2.0',
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method: 'user.login',
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params: {
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user: this.username,
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password: this.password
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},
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auth: null,
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id: 1
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},
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};
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return backendSrv.datasourceRequest(options).then(function (result) {
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if (!result.data) {
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return null;
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}
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return result.data.result;
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});
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};
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// Get the list of host groups
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ZabbixAPIDatasource.prototype.performHostGroupSuggestQuery = function() {
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var params = {
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output: ['name'],
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real_hosts: true, //Return only host groups that contain hosts
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sortfield: 'name'
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};
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return this.performZabbixAPIRequest('hostgroup.get', params);
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};
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// Get the list of hosts
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ZabbixAPIDatasource.prototype.performHostSuggestQuery = function(groupid) {
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var params = {
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output: ['name', 'host'],
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sortfield: 'name'
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};
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// Return only hosts in given group
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if (groupid) {
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params.groupids = groupid;
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}
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return this.performZabbixAPIRequest('host.get', params);
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};
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// Get the list of applications
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ZabbixAPIDatasource.prototype.performAppSuggestQuery = function(hostid) {
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var params = {
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output: ['name'],
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sortfield: 'name',
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hostids: hostid
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};
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return this.performZabbixAPIRequest('application.get', params);
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};
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// Get the list of host items
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ZabbixAPIDatasource.prototype.performItemSuggestQuery = function(hostid, applicationid) {
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var params = {
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output: ['name', 'key_', 'value_type', 'delay'],
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sortfield: 'name',
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hostids: hostid,
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//Include web items in the result
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webitems: true,
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// Return only numeric items
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filter: {
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value_type: [0,3]
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}
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};
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// If application selected return only relative items
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if (applicationid) {
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params.applicationids = applicationid;
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}
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return this.performZabbixAPIRequest('item.get', params);
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};
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ZabbixAPIDatasource.prototype.findZabbixGroup = function (group) {
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var params = {
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output: ['name'],
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search: {
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name: group
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},
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searchWildcardsEnabled: true
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}
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return this.performZabbixAPIRequest('hostgroup.get', params);
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};
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ZabbixAPIDatasource.prototype.findZabbixHost = function (hostname) {
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var params = {
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output: ['host', 'name'],
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search: {
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host: hostname,
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name: hostname
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},
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searchWildcardsEnabled: true,
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searchByAny: true
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}
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return this.performZabbixAPIRequest('host.get', params);
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};
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ZabbixAPIDatasource.prototype.findZabbixApp = function (application) {
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var params = {
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output: ['name'],
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search: {
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name: application
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},
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searchWildcardsEnabled: true
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}
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return this.performZabbixAPIRequest('application.get', params);
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};
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ZabbixAPIDatasource.prototype.findZabbixItem = function (host, key) {
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var params = {
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output: ['name', 'key_', 'value_type'],
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host: host,
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search: {
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key_: key
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},
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searchWildcardsEnabled: true,
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searchByAny: true
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}
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return this.performZabbixAPIRequest('item.get', params);
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};
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// For templated query
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ZabbixAPIDatasource.prototype.metricFindQuery = function (query) {
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// Split query. Query structure:
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// group.host.app.key
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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(part.slice(1, -1).split(','));
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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', 'key'], parts)
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var params = {
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output: ['name'],
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sortfield: 'name',
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// Case insensitive search
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search: {
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name : template.group
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}
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};
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// Get items
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if (parts.length === 4) {
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return this.itemFindQuery(template);
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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.appFindQuery(template);
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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.hostFindQuery(template);
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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.groupFindQuery(template);
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}
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// Return empty object
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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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ZabbixAPIDatasource.prototype.itemFindQuery = function(template) {
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var promises = [];
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// Get hostids from names
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if (template.host != '*' && template.host) {
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if (_.isArray(template.host)) {
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_.each(template.host, function (host) {
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promises.push(this.findZabbixHost(host));
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}, this);
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} else {
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promises.push(this.findZabbixHost(template.host));
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}
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}
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// Get groupids from names
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else if (template.group != '*' && template.group) {
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if (_.isArray(template.group)) {
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_.each(template.group, function (group) {
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promises.push(this.findZabbixGroup(group));
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}, this);
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} else {
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promises.push(this.findZabbixGroup(template.group));
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}
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}
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// Get applicationids from names
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if (template.app != '*' && template.app && !_.isArray(template.app)) {
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if (_.isArray(template.app)) {
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_.each(template.app, function (app) {
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promises.push(this.findZabbixApp(app));
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}, this);
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} else {
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promises.push(this.findZabbixApp(template.app));
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}
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}
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var self = this;
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return $q.all(promises).then(function (results) {
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results = _.flatten(results);
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var groupids = _.map(_.filter(results, function (object) {
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return object.groupid;
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}), 'groupid');
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var hostids = _.map(_.filter(results, function (object) {
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return object.hostid;
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}), 'hostid');
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var applicationids = _.map(_.filter(results, function (object) {
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return object.applicationid;
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}), 'applicationid');
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var params = {
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output: ['name', 'key_'],
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sortfield: 'name',
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};
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if (applicationids.length) {
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params.applicationids = applicationids;
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}
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if (hostids.length) {
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params.hostids = hostids;
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} else if (groupids.length) {
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params.groupids = groupids;
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}
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return self.performZabbixAPIRequest('item.get', params)
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.then(function (result) {
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return _.map(result, function (item) {
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return {
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text: item.key_,
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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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};
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ZabbixAPIDatasource.prototype.appFindQuery = function(template) {
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var promises = [];
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// Get groupids from names
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if (template.group != '*' && template.group) {
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if (_.isArray(template.group)) {
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_.each(template.group, function (group) {
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promises.push(this.findZabbixGroup(group));
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}, this);
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} else {
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promises.push(this.findZabbixGroup(template.group));
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}
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}
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// Get hostids from names
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if (template.host != '*' && template.host) {
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if (_.isArray(template.host)) {
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_.each(template.host, function (host) {
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promises.push(this.findZabbixHost(host));
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}, this);
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} else {
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promises.push(this.findZabbixHost(template.host));
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}
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}
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var self = this;
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return $q.all(promises).then(function (results) {
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results = _.flatten(results);
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var groupids = _.map(_.filter(results, function (object) {
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return object.groupid;
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}), 'groupid');
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var hostids = _.map(_.filter(results, function (object) {
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return object.hostid;
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}), 'hostid');
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var params = {
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output: ['name']
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}
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if (hostids.length) {
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params.hostids = hostids;
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} else if (groupids.length) {
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params.groupids = groupids;
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}
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return self.performZabbixAPIRequest('application.get', params)
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.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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};
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ZabbixAPIDatasource.prototype.hostFindQuery = function(template) {
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var promises = [];
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// Get groupids from names
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if (template.group != '*' && template.group) {
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if (_.isArray(template.group)) {
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_.each(template.group, function (group) {
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promises.push(this.findZabbixGroup(group));
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}, this);
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} else {
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promises.push(this.findZabbixGroup(template.group));
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}
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}
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var self = this;
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return $q.all(promises).then(function (results) {
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results = _.flatten(results);
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var groupids = _.map(_.filter(results, function (object) {
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return object.groupid;
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}), 'groupid');
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var params = {
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output: ['name', 'host']
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}
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if (groupids.length) {
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params.groupids = groupids;
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}
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return self.performZabbixAPIRequest('host.get', params)
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.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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};
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ZabbixAPIDatasource.prototype.groupFindQuery = function(template) {
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var promises = [];
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// Get groupids from names
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if (_.isArray(template.group)) {
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_.each(template.group, function (group) {
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promises.push(this.findZabbixGroup(group));
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}, this);
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} else {
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promises.push(this.findZabbixGroup(template.group));
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}
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var self = this;
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return $q.all(promises).then(function (results) {
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results = _.flatten(results);
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var groupids = _.map(_.filter(results, function (object) {
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return object.groupid;
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}), 'groupid');
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var params = {
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output: ['name', 'host']
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}
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if (groupids.length) {
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params.groupids = groupids;
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}
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return self.performZabbixAPIRequest('hostgroup.get', params)
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.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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};
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ZabbixAPIDatasource.prototype.annotationQuery = function(annotation, rangeUnparsed) {
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var from = Math.ceil(kbn.parseDate(rangeUnparsed.from).getTime() / 1000);
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var to = Math.ceil(kbn.parseDate(rangeUnparsed.to).getTime() / 1000);
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var self = this;
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var params = {
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output: ['triggerid', 'description'],
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search: {
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'description': annotation.query
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},
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};
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return this.performZabbixAPIRequest('trigger.get', params).then(function (result) {
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if(result) {
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var obs = {};
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obs = _.indexBy(result, 'triggerid');
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var params = {
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|
output: 'extend',
|
|
sortorder: 'DESC',
|
|
time_from: from,
|
|
time_till: to,
|
|
objectids: _.keys(obs)
|
|
};
|
|
|
|
return self.performZabbixAPIRequest('event.get', params).then(function (result) {
|
|
var events = [];
|
|
_.each(result, function(e) {
|
|
events.push({
|
|
annotation: annotation,
|
|
time: e.clock * 1000,
|
|
title: obs[e.objectid].description,
|
|
text: e.eventid,
|
|
});
|
|
});
|
|
return events;
|
|
});
|
|
} else {
|
|
return [];
|
|
}
|
|
});
|
|
};
|
|
|
|
return ZabbixAPIDatasource;
|
|
});
|
|
});
|
|
|
|
|
|
/**
|
|
* Expand item parameters, for example:
|
|
* CPU $2 time ($3) --> CPU system time (avg1)
|
|
*
|
|
* @param item: zabbix api item object
|
|
* @return: expanded item name (string)
|
|
*/
|
|
function expandItemName(item) {
|
|
var name = item.name;
|
|
var key = item.key_;
|
|
|
|
// extract params from key:
|
|
// "system.cpu.util[,system,avg1]" --> ["", "system", "avg1"]
|
|
var key_params = key.substring(key.indexOf('[') + 1, key.lastIndexOf(']')).split(',');
|
|
|
|
// replace item parameters
|
|
for (var i = key_params.length; i >= 1; i--) {
|
|
name = name.replace('$' + i, key_params[i - 1]);
|
|
};
|
|
return name;
|
|
}; |