refactor: move zabbix modules
This commit is contained in:
Alexander Zobnin
@@ -0,0 +1,484 @@
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import _ from 'lodash';
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import * as utils from '../../../utils';
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import { ZabbixAPICoreService } from './zabbixAPICore';
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/**
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* Zabbix API Wrapper.
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* Creates Zabbix API instance with given parameters (url, credentials and other).
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* Wraps API calls and provides high-level methods.
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*/
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export class ZabbixAPIConnector {
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/** @ngInject */
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constructor(api_url, username, password, basicAuth, withCredentials, backendSrv) {
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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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this.auth = "";
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this.requestOptions = {
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basicAuth: basicAuth,
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withCredentials: withCredentials
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};
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this.loginPromise = null;
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this.loginErrorCount = 0;
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this.maxLoginAttempts = 3;
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this.zabbixAPICore = new ZabbixAPICoreService(backendSrv);
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this.getTrend = this.getTrend_ZBXNEXT1193;
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//getTrend = getTrend_30;
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}
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//////////////////////////
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// Core method wrappers //
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//////////////////////////
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request(method, params) {
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return this.zabbixAPICore.request(this.url, method, params, this.requestOptions, this.auth)
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.catch(error => {
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if (isNotAuthorized(error.data)) {
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// Handle auth errors
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this.loginErrorCount++;
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if (this.loginErrorCount > this.maxLoginAttempts) {
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this.loginErrorCount = 0;
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return null;
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} else {
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return this.loginOnce()
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.then(() => this.request(method, params));
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}
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} else {
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// Handle API errors
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let message = error.data ? error.data : error.statusText;
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return Promise.reject(message);
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}
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});
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}
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/**
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* When API unauthenticated or auth token expired each request produce login()
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* call. But auth token is common to all requests. This function wraps login() method
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* and call it once. If login() already called just wait for it (return its promise).
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* @return login promise
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*/
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loginOnce() {
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if (!this.loginPromise) {
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this.loginPromise = Promise.resolve(
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this.login().then(auth => {
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this.auth = auth;
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this.loginPromise = null;
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return auth;
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})
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);
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}
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return this.loginPromise;
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}
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/**
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* Get authentication token.
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*/
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login() {
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return this.zabbixAPICore.login(this.url, this.username, this.password, this.requestOptions);
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}
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/**
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* Get Zabbix API version
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*/
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getVersion() {
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return this.zabbixAPICore.getVersion(this.url, this.requestOptions);
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}
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////////////////////////////////
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// Zabbix API method wrappers //
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////////////////////////////////
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acknowledgeEvent(eventid, message) {
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var params = {
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eventids: eventid,
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message: message
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};
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return this.request('event.acknowledge', params);
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}
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getGroups() {
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var params = {
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output: ['name'],
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sortfield: 'name',
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real_hosts: true
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};
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return this.request('hostgroup.get', params);
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}
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getHosts(groupids) {
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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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if (groupids) {
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params.groupids = groupids;
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}
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return this.request('host.get', params);
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}
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getApps(hostids) {
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var params = {
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output: 'extend',
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hostids: hostids
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};
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return this.request('application.get', params);
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}
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/**
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* Get Zabbix items
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* @param {[type]} hostids host ids
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* @param {[type]} appids application ids
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* @param {String} itemtype 'num' or 'text'
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* @return {[type]} array of items
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*/
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getItems(hostids, appids, itemtype) {
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var params = {
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output: [
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'name', 'key_',
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'value_type',
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'hostid',
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'status',
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'state'
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],
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sortfield: 'name',
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webitems: true,
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filter: {},
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selectHosts: ['hostid', '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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if (appids) {
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params.applicationids = appids;
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}
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if (itemtype === 'num') {
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// Return only numeric metrics
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params.filter.value_type = [0, 3];
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}
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if (itemtype === 'text') {
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// Return only text metrics
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params.filter.value_type = [1, 2, 4];
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}
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return this.request('item.get', params)
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.then(utils.expandItems);
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}
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getItemsByIDs(itemids) {
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var params = {
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itemids: itemids,
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output: [
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'name', 'key_',
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'value_type',
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'hostid',
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'status',
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'state'
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],
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webitems: true,
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selectHosts: ['hostid', 'name']
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};
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return this.request('item.get', params)
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.then(utils.expandItems);
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}
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getMacros(hostids) {
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var params = {
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output: 'extend',
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hostids: hostids
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};
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return this.request('usermacro.get', params);
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}
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getGlobalMacros() {
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var params = {
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output: 'extend',
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globalmacro: true
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};
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return this.request('usermacro.get', params);
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}
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getLastValue(itemid) {
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var params = {
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output: ['lastvalue'],
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itemids: itemid
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};
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return this.request('item.get', params)
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.then(items => items.length ? items[0].lastvalue : null);
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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} timeFrom Time in seconds
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* @param {Number} timeTill Time in seconds
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* @return {Array} Array of Zabbix history objects
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*/
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getHistory(items, timeFrom, timeTill) {
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// Group items by value type and perform request for each value type
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let grouped_items = _.groupBy(items, 'value_type');
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let promises = _.map(grouped_items, (items, value_type) => {
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let itemids = _.map(items, 'itemid');
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let 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: timeFrom
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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 (timeTill) {
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params.time_till = timeTill;
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}
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return this.request('history.get', params);
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});
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return Promise.all(promises).then(_.flatten);
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}
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/**
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* Perform trends query from Zabbix API
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* Use trends api extension from ZBXNEXT-1193 patch.
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*
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* @param {Array} items Array of Zabbix item objects
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* @param {Number} time_from Time in seconds
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* @param {Number} time_till Time in seconds
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* @return {Array} Array of Zabbix trend objects
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*/
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getTrend_ZBXNEXT1193(items, timeFrom, timeTill) {
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// Group items by value type and perform request for each value type
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let grouped_items = _.groupBy(items, 'value_type');
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let promises = _.map(grouped_items, (items, value_type) => {
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let itemids = _.map(items, 'itemid');
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let 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: timeFrom
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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 (timeTill) {
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params.time_till = timeTill;
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}
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return this.request('trend.get', params);
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});
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return Promise.all(promises).then(_.flatten);
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}
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getTrend_30(items, time_from, time_till, value_type) {
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var self = this;
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var itemids = _.map(items, 'itemid');
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var params = {
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output: ["itemid",
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"clock",
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value_type
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],
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itemids: itemids,
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time_from: time_from
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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 (time_till) {
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params.time_till = time_till;
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}
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return self.request('trend.get', params);
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}
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getITService(serviceids) {
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var params = {
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output: 'extend',
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serviceids: serviceids
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};
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return this.request('service.get', params);
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}
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getSLA(serviceids, timeRange) {
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let [timeFrom, timeTo] = timeRange;
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var params = {
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serviceids: serviceids,
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intervals: [{
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from: timeFrom,
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to: timeTo
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}]
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};
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return this.request('service.getsla', params);
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}
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getTriggers(groupids, hostids, applicationids, options) {
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let {showTriggers, maintenance, timeFrom, timeTo} = options;
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let params = {
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output: 'extend',
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groupids: groupids,
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hostids: hostids,
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applicationids: applicationids,
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expandDescription: true,
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expandData: true,
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expandComment: true,
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monitored: true,
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skipDependent: true,
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//only_true: true,
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filter: {
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value: 1
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},
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selectGroups: ['name'],
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selectHosts: ['name', 'host', 'maintenance_status'],
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selectItems: ['name', 'key_', 'lastvalue'],
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selectLastEvent: 'extend',
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selectTags: 'extend'
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};
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if (showTriggers) {
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params.filter.value = showTriggers;
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}
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if (maintenance) {
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params.maintenance = true;
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}
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if (timeFrom || timeTo) {
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params.lastChangeSince = timeFrom;
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params.lastChangeTill = timeTo;
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}
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return this.request('trigger.get', params);
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}
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getEvents(objectids, timeFrom, timeTo, showEvents) {
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var params = {
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output: 'extend',
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time_from: timeFrom,
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time_till: timeTo,
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objectids: objectids,
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select_acknowledges: 'extend',
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selectHosts: 'extend',
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value: showEvents
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};
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return this.request('event.get', params);
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}
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getAcknowledges(eventids) {
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var params = {
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output: 'extend',
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eventids: eventids,
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preservekeys: true,
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select_acknowledges: 'extend',
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sortfield: 'clock',
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sortorder: 'DESC'
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};
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return this.request('event.get', params)
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.then(events => {
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return _.filter(events, (event) => event.acknowledges.length);
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});
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}
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getAlerts(itemids, timeFrom, timeTo) {
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var params = {
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output: 'extend',
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itemids: itemids,
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expandDescription: true,
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expandData: true,
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expandComment: true,
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monitored: true,
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skipDependent: true,
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//only_true: true,
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// filter: {
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// value: 1
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// },
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selectLastEvent: 'extend'
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};
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if (timeFrom || timeTo) {
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params.lastChangeSince = timeFrom;
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params.lastChangeTill = timeTo;
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}
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return this.request('trigger.get', params);
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}
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getHostAlerts(hostids, applicationids, options) {
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let {minSeverity, acknowledged, count, timeFrom, timeTo} = options;
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let params = {
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output: 'extend',
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hostids: hostids,
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min_severity: minSeverity,
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filter: { value: 1 },
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expandDescription: true,
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expandData: true,
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expandComment: true,
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monitored: true,
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skipDependent: true,
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selectLastEvent: 'extend',
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selectGroups: 'extend',
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selectHosts: ['host', 'name']
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};
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if (count && acknowledged !== 0 && acknowledged !== 1) {
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params.countOutput = true;
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}
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if (applicationids && applicationids.length) {
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params.applicationids = applicationids;
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}
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if (timeFrom || timeTo) {
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params.lastChangeSince = timeFrom;
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params.lastChangeTill = timeTo;
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}
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return this.request('trigger.get', params)
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.then((triggers) => {
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if (!count || acknowledged === 0 || acknowledged === 1) {
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triggers = filterTriggersByAcknowledge(triggers, acknowledged);
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if (count) {
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triggers = triggers.length;
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}
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}
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return triggers;
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});
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}
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}
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function filterTriggersByAcknowledge(triggers, acknowledged) {
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if (acknowledged === 0) {
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return _.filter(triggers, (trigger) => trigger.lastEvent.acknowledged === "0");
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} else if (acknowledged === 1) {
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return _.filter(triggers, (trigger) => trigger.lastEvent.acknowledged === "1");
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} else {
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return triggers;
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}
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}
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function isNotAuthorized(message) {
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return (
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message === "Session terminated, re-login, please." ||
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message === "Not authorised." ||
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message === "Not authorized."
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);
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}
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