iss 35 - move zabbix api methods to zabbixAPIWrapper.js file.
This commit is contained in:
Alexander Zobnin
438
zabbix/zabbixAPIWrapper.js
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438
zabbix/zabbixAPIWrapper.js
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define([
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'angular',
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'lodash',
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],
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function (angular, _) {
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'use strict';
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var module = angular.module('grafana.services');
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module.service('zabbix', function($q, backendSrv) {
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this.init = function(api_url, username, password) {
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this.url = api_url;
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this.username = username;
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this.password = password;
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}
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//////////////////
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// Core methods //
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//////////////////
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/**
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* Request data from Zabbix API
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*
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* @param {string} method Zabbix API method name
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* @param {object} params method params
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*
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* @return {object} data.result field or []
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*/
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this.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 self = this;
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return backendSrv.datasourceRequest(options).then(function (response) {
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if (!response.data) {
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return [];
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}
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// Handle Zabbix API errors
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else if (response.data.error) {
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// Handle auth errors
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if (response.data.error.data == "Session terminated, re-login, please." ||
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response.data.error.data == "Not authorised." ||
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response.data.error.data == "Not authorized") {
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return self.performZabbixAPILogin().then(function (response) {
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self.auth = response;
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return self.performZabbixAPIRequest(method, params);
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});
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}
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}
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return response.data.result;
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});
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};
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// Get authentication token
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this.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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/////////////////////////
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// API method wrappers //
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/////////////////////////
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/**
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* Perform history query from Zabbix API
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*
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* @param {Array} items Array of Zabbix item objects
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* @param {Number} start Time in seconds
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* @param {Number} end Time in seconds
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*
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* @return {Array} Array of Zabbix history objects
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*/
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this.getHistory = function(items, start, end) {
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// Group items by value type
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var grouped_items = _.groupBy(items, 'value_type');
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// Perform request for each value type
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return $q.all(_.map(grouped_items, function (items, value_type) {
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var itemids = _.map(items, 'itemid');
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var params = {
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output: 'extend',
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history: value_type,
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itemids: itemids,
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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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}, this)).then(function (results) {
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return _.flatten(results);
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});
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};
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this.getTrends = function(items, start, end) {
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// Group items by value type
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var grouped_items = _.groupBy(items, 'value_type');
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// Perform request for each value type
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return $q.all(_.map(grouped_items, function (items, value_type) {
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var itemids = _.map(items, 'itemid');
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var params = {
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output: 'extend',
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trend: value_type,
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itemids: itemids,
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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('trend.get', params);
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}, this)).then(function (results) {
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return _.flatten(results);
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});
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};
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// Get the list of host groups
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this.performHostGroupSuggestQuery = function() {
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var params = {
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output: ['name'],
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sortfield: 'name',
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// Return only host groups that contain hosts
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real_hosts: true,
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// Return only host groups that contain monitored hosts.
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monitored_hosts: true
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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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this.performHostSuggestQuery = function(groupids) {
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var params = {
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output: ['name', 'host'],
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sortfield: 'name',
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// Return only hosts that have items with numeric type of information.
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with_simple_graph_items: true,
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// Return only monitored hosts.
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monitored_hosts: true
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};
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// Return only hosts in given group
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if (groupids) {
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params.groupids = groupids;
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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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this.performAppSuggestQuery = function(hostids, /* optional */ groupids) {
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var params = {
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output: ['name'],
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sortfield: 'name'
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};
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if (hostids) {
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params.hostids = hostids;
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}
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else if (groupids) {
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params.groupids = groupids;
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}
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return this.performZabbixAPIRequest('application.get', params);
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};
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/**
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* Items request
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*
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* @param {string or Array} hostids ///////////////////////////
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* @param {string or Array} applicationids // Zabbix API parameters //
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* @param {string or Array} groupids ///////////////////////////
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*
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* @return {string or Array} Array of Zabbix API item objects
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*/
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this.performItemSuggestQuery = function(hostids, applicationids, /* optional */ groupids) {
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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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//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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// Return only enabled items
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monitored: true,
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searchByAny: true
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};
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// Filter by hosts or by groups
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if (hostids) {
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params.hostids = hostids;
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} else if (groupids) {
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params.groupids = groupids;
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}
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// If application selected return only relative items
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if (applicationids) {
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params.applicationids = applicationids;
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}
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// Return host property for multiple hosts
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if (!hostids || (_.isArray(hostids) && hostids.length > 1)) {
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params.selectHosts = ['name'];
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}
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return this.performZabbixAPIRequest('item.get', params);
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};
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/**
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* Find groups by names
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*
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* @param {string or array} group group names
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* @return {array} array of Zabbix API hostgroup objects
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*/
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this.findZabbixGroup = function (group) {
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var params = {
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output: ['name'],
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searchByAny: true
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};
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if (group != '*') {
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if (_.isArray(group)) {
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params.filter = {
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name: group
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};
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} else {
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params.search = {
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name: group
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};
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params.searchWildcardsEnabled = true;
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}
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}
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return this.performZabbixAPIRequest('hostgroup.get', params);
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};
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/**
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* Find hosts by names
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*
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* @param {string or array} hostnames hosts names
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* @return {array} array of Zabbix API host objects
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*/
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this.findZabbixHost = function (hostnames) {
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var params = {
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output: ['host', 'name'],
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searchByAny: true
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};
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if (hostnames != '*') {
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params.filter = {
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name: hostnames
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};
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}
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return this.performZabbixAPIRequest('host.get', params);
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};
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/**
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* Find applications by names
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*
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* @param {string or array} application applications names
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* @return {array} array of Zabbix API application objects
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*/
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this.findZabbixApp = function (application) {
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var params = {
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output: ['name'],
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searchByAny: true
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}
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if (application != '*') {
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params.filter = {
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name: application
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};
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};
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return this.performZabbixAPIRequest('application.get', params);
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};
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/**
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* Find items belongs to passed groups, hosts and
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* applications
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*
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* @param {string or array} groups
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* @param {string or array} hosts
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* @param {string or array} apps
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*
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* @return {array} array of Zabbix API item objects
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*/
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this.itemFindQuery = function(groups, hosts, apps) {
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var promises = [];
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// Get hostids from names
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if (hosts && hosts != '*') {
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promises.push(this.findZabbixHost(hosts));
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}
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// Get groupids from names
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else if (groups) {
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promises.push(this.findZabbixGroup(groups));
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}
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// Get applicationids from names
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if (apps) {
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promises.push(this.findZabbixApp(apps));
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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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if (groups) {
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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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}
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if (hosts && hosts != '*') {
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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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}
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if (apps) {
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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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}
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return self.performItemSuggestQuery(hostids, applicationids, groupids);
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});
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};
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/**
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* Find applications belongs to passed groups and hosts
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*
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* @param {string or array} hosts
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* @param {string or array} groups
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*
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* @return {array} array of Zabbix API application objects
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*/
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this.appFindQuery = function(hosts, groups) {
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var promises = [];
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// Get hostids from names
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if (hosts && hosts != '*') {
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promises.push(this.findZabbixHost(hosts));
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}
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// Get groupids from names
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else if (groups) {
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promises.push(this.findZabbixGroup(groups));
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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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if (groups) {
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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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}
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if (hosts && hosts != '*') {
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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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}
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return self.performAppSuggestQuery(hostids, groupids);
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});
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};
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/**
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* Find hosts belongs to passed groups
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*
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* @param {string or array} groups
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* @return {array} array of Zabbix API host objects
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*/
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this.hostFindQuery = function(groups) {
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var self = this;
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return this.findZabbixGroup(groups).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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return self.performHostSuggestQuery(groupids);
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});
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};
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});
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});
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