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Update cache periodically.

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This commit is contained in:
Alexander Zobnin
2016-02-01 17:33:08 +03:00
parent 57f8776451
commit 7c883bd781
3 changed files with 18 additions and 3 deletions
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6
plugins/datasource-zabbix/datasource.js
View File

@@ -35,11 +35,15 @@ function (angular, _, dateMath, utils, metricFunctions) {
this.trends = instanceSettings.jsonData.trends; this.trends = instanceSettings.jsonData.trends;
this.trendsFrom = instanceSettings.jsonData.trendsFrom || '7d'; this.trendsFrom = instanceSettings.jsonData.trendsFrom || '7d';
// Set cache update interval
var ttl = instanceSettings.jsonData.cacheTTL || '1h';
this.cacheTTL = utils.parseInterval(ttl);
// Initialize Zabbix API // Initialize Zabbix API
this.zabbixAPI = new ZabbixAPI(this.url, this.username, this.password, this.basicAuth, this.withCredentials); this.zabbixAPI = new ZabbixAPI(this.url, this.username, this.password, this.basicAuth, this.withCredentials);
// Initialize cache service // Initialize cache service
this.zabbixCache = new ZabbixCachingProxy(this.zabbixAPI); this.zabbixCache = new ZabbixCachingProxy(this.zabbixAPI, this.cacheTTL);
// Initialize query builder // Initialize query builder
this.queryProcessor = new QueryProcessor(this.zabbixCache); this.queryProcessor = new QueryProcessor(this.zabbixCache);

10
plugins/datasource-zabbix/partials/config.html
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@@ -12,7 +12,7 @@
ng-model='current.jsonData.username' ng-model='current.jsonData.username'
placeholder=""> placeholder="">
</li> </li>
<li class="tight-form-item"> <li class="tight-form-item" style="width: 80px">
Password Password
</li> </li>
<li> <li>
@@ -25,6 +25,14 @@
</div> </div>
<div class="tight-form last"> <div class="tight-form last">
<ul class="tight-form-list"> <ul class="tight-form-list">
<li class="tight-form-item" style="width: 200px">
Cache update interval
</li>
<li>
<input type="text" class="tight-form-input input-small"
ng-model='current.jsonData.cacheTTL'
placeholder="1h">
</li>
<li class="tight-form-item" style="width: 80px"> <li class="tight-form-item" style="width: 80px">
Trends&nbsp;&nbsp; Trends&nbsp;&nbsp;
<input class="cr1" id="current.jsonData.trends" type="checkbox" <input class="cr1" id="current.jsonData.trends" type="checkbox"

5
plugins/datasource-zabbix/zabbixCache.js
View File

@@ -10,7 +10,7 @@ function (angular, _, utils) {
// Use factory() instead service() for multiple datasources support. // Use factory() instead service() for multiple datasources support.
// Each datasource instance must initialize its own cache. // Each datasource instance must initialize its own cache.
module.factory('ZabbixCachingProxy', function($q) { module.factory('ZabbixCachingProxy', function($q, $interval) {
function ZabbixCachingProxy(zabbixAPI, ttl) { function ZabbixCachingProxy(zabbixAPI, ttl) {
this.zabbixAPI = zabbixAPI; this.zabbixAPI = zabbixAPI;
@@ -33,6 +33,9 @@ function (angular, _, utils) {
// Wrap _refresh() method to call it once. // Wrap _refresh() method to call it once.
this.refresh = callOnce(p._refresh, this.refreshPromise); this.refresh = callOnce(p._refresh, this.refreshPromise);
// Update cache periodically
$interval(_.bind(this.refresh, this), this.ttl);
} }
var p = ZabbixCachingProxy.prototype; var p = ZabbixCachingProxy.prototype;