Files
grafana-zabbix/src/datasource-zabbix/zabbixAPI.service.js
2016-07-14 11:10:48 +09:30

410 lines
10 KiB
JavaScript

import angular from 'angular';
import _ from 'lodash';
import * as utils from './utils';
import './zabbixAPICore.service';
/** @ngInject */
function ZabbixAPIService($q, alertSrv, zabbixAPICoreService) {
/**
* Zabbix API Wrapper.
* Creates Zabbix API instance with given parameters (url, credentials and other).
* Wraps API calls and provides high-level methods.
*/
class ZabbixAPI {
constructor(api_url, username, password, basicAuth, withCredentials) {
this.url = api_url;
this.username = username;
this.password = password;
this.auth = "";
this.requestOptions = {
basicAuth: basicAuth,
withCredentials: withCredentials
};
this.loginPromise = null;
this.$q = $q;
this.alertSrv = alertSrv;
this.zabbixAPICore = zabbixAPICoreService;
this.getTrend = this.getTrend_ZBXNEXT1193;
//getTrend = getTrend_30;
}
//////////////////////////
// Core method wrappers //
//////////////////////////
request(method, params) {
var self = this;
return this.zabbixAPICore.request(this.url, method, params, this.requestOptions, this.auth)
.then(function(result) {
return result;
},
// Handle API errors
function(error) {
console.log('Zabbix error: '+error.data);
if (isNotAuthorized(error.data)) {
return self.loginOnce().then(
function() {
return self.request(method, params);
},
// Handle user.login method errors
function(error) {
self.alertAPIError(error.data);
});
}
});
}
alertAPIError(message) {
this.alertSrv.set(
"Zabbix API Error",
message,
'error'
);
}
/**
* When API unauthenticated or auth token expired each request produce login()
* call. But auth token is common to all requests. This function wraps login() method
* and call it once. If login() already called just wait for it (return its promise).
* @return login promise
*/
loginOnce() {
var self = this;
var deferred = this.$q.defer();
if (!self.loginPromise) {
self.loginPromise = deferred.promise;
self.login().then(
function(auth) {
self.loginPromise = null;
self.auth = auth;
deferred.resolve(auth);
},
function(error) {
self.loginPromise = null;
deferred.reject(error);
}
);
} else {
return self.loginPromise;
}
return deferred.promise;
}
/**
* Get authentication token.
*/
login() {
return this.zabbixAPICore.login(this.url, this.username, this.password, this.requestOptions);
}
/**
* Get Zabbix API version
*/
getVersion() {
return this.zabbixAPICore.getVersion(this.url, this.requestOptions);
}
////////////////////////////////
// Zabbix API method wrappers //
////////////////////////////////
acknowledgeEvent(eventid,message){
var params = {
eventids:eventid,
message:message
};
return this.request('event.acknowledge',params);
}
getGroups() {
var params = {
output: ['name'],
sortfield: 'name',
real_hosts: true
};
return this.request('hostgroup.get', params);
}
getHosts(groupids) {
var params = {
output: ['name', 'host'],
sortfield: 'name'
};
if (groupids) {
params.groupids = groupids;
}
return this.request('host.get', params);
}
getApps(hostids) {
var params = {
output: ['applicationid', 'name'],
hostids: hostids
};
return this.request('application.get', params);
}
/**
* Get Zabbix items
* @param {[type]} hostids host ids
* @param {[type]} appids application ids
* @param {String} itemtype 'num' or 'text'
* @return {[type]} array of items
*/
getItems(hostids, appids, itemtype) {
var params = {
output: [
'name', 'key_',
'value_type',
'hostid',
'status',
'state'
],
sortfield: 'name',
webitems: true,
filter: {},
selectHosts: [
'hostid',
'name'
]
};
if (hostids) {
params.hostids = hostids;
}
if (appids) {
params.applicationids = appids;
}
if (itemtype === 'num') {
// Return only numeric metrics
params.filter.value_type = [0, 3];
}
if (itemtype === 'text') {
// Return only text metrics
params.filter.value_type = [1, 2, 4];
}
return this.request('item.get', params)
.then(items => {
return _.forEach(items, item => {
item.item = item.name;
item.name = utils.expandItemName(item.item, item.key_);
return item;
});
});
}
getLastValue(itemid) {
var params = {
output: ['lastvalue'],
itemids: itemid
};
return this.request('item.get', params).then(function(items) {
if (items.length) {
return items[0].lastvalue;
} else {
return null;
}
});
}
/**
* Perform history query from Zabbix API
*
* @param {Array} items Array of Zabbix item objects
* @param {Number} time_from Time in seconds
* @param {Number} time_till Time in seconds
* @return {Array} Array of Zabbix history objects
*/
getHistory(items, time_from, time_till) {
var self = this;
// Group items by value type
var grouped_items = _.groupBy(items, 'value_type');
// Perform request for each value type
return this.$q.all(_.map(grouped_items, function (items, value_type) {
var itemids = _.map(items, 'itemid');
var params = {
output: 'extend',
history: value_type,
itemids: itemids,
sortfield: 'clock',
sortorder: 'ASC',
time_from: time_from
};
// Relative queries (e.g. last hour) don't include an end time
if (time_till) {
params.time_till = time_till;
}
return self.request('history.get', params);
})).then(_.flatten);
}
/**
* Perform trends query from Zabbix API
* Use trends api extension from ZBXNEXT-1193 patch.
*
* @param {Array} items Array of Zabbix item objects
* @param {Number} time_from Time in seconds
* @param {Number} time_till Time in seconds
* @return {Array} Array of Zabbix trend objects
*/
getTrend_ZBXNEXT1193(items, time_from, time_till) {
var self = this;
// Group items by value type
var grouped_items = _.groupBy(items, 'value_type');
// Perform request for each value type
return this.$q.all(_.map(grouped_items, function (items, value_type) {
var itemids = _.map(items, 'itemid');
var params = {
output: 'extend',
trend: value_type,
itemids: itemids,
sortfield: 'clock',
sortorder: 'ASC',
time_from: time_from
};
// Relative queries (e.g. last hour) don't include an end time
if (time_till) {
params.time_till = time_till;
}
return self.request('trend.get', params);
})).then(_.flatten);
}
getTrend_30(items, time_from, time_till, value_type) {
var self = this;
var itemids = _.map(items, 'itemid');
var params = {
output: ["itemid",
"clock",
value_type
],
itemids: itemids,
time_from: time_from
};
// Relative queries (e.g. last hour) don't include an end time
if (time_till) {
params.time_till = time_till;
}
return self.request('trend.get', params);
}
getITService(/* optional */ serviceids) {
var params = {
output: 'extend',
serviceids: serviceids
};
return this.request('service.get', params);
}
getSLA(serviceids, from, to) {
var params = {
serviceids: serviceids,
intervals: [{
from: from,
to: to
}]
};
return this.request('service.getsla', params);
}
getTriggers(groupids, hostids, applicationids, showTriggers, timeFrom, timeTo) {
var params = {
output: 'extend',
groupids: groupids,
hostids: hostids,
applicationids: applicationids,
expandDescription: true,
expandData: true,
monitored: true,
skipDependent: true,
//only_true: true,
filter: {
value: 1
},
selectGroups: ['name'],
selectHosts: ['name', 'host'],
selectItems: ['name', 'key_', 'lastvalue'],
selectLastEvent: 'extend'
};
if (showTriggers) {
params.filter.value = showTriggers;
}
if (timeFrom || timeTo) {
params.lastChangeSince = timeFrom;
params.lastChangeTill = timeTo;
}
return this.request('trigger.get', params);
}
getEvents(objectids, from, to, showEvents) {
var params = {
output: 'extend',
time_from: from,
time_till: to,
objectids: objectids,
select_acknowledges: 'extend',
selectHosts: 'extend',
value: showEvents
};
return this.request('event.get', params);
}
getAcknowledges(eventids) {
var params = {
output: 'extend',
eventids: eventids,
preservekeys: true,
select_acknowledges: 'extend',
sortfield: 'clock',
sortorder: 'DESC'
};
return this.request('event.get', params)
.then(function (events) {
return _.filter(events, function(event) {
return event.acknowledges.length;
});
});
}
}
return ZabbixAPI;
}
function isNotAuthorized(message) {
return (
message === "Session terminated, re-login, please." ||
message === "Not authorised." ||
message === "Not authorized."
);
}
angular
.module('grafana.services')
.factory('zabbixAPIService', ZabbixAPIService);