107 lines
3.6 KiB
JavaScript
107 lines
3.6 KiB
JavaScript
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('zabbixHelperSrv', function() {
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var self = this;
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/**
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* Convert multiple mettrics to array
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* "{metric1,metcic2,...,metricN}" --> [metric1, metcic2,..., metricN]
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*
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* @param {string} metrics "{metric1,metcic2,...,metricN}"
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* @return {Array} [metric1, metcic2,..., metricN]
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*/
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this.splitMetrics = function(metrics) {
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var remove_brackets_pattern = /^{|}$/g;
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var metric_split_pattern = /,(?!\s)/g;
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return metrics.replace(remove_brackets_pattern, '').split(metric_split_pattern);
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};
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/**
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* Convert Date object to local time in format
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* YYYY-MM-DD HH:mm:ss
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*
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* @param {Date} date Date object
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* @return {string} formatted local time YYYY-MM-DD HH:mm:ss
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*/
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this.getShortTime = function(date) {
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var MM = date.getMonth() < 10 ? '0' + date.getMonth() : date.getMonth();
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var DD = date.getDate() < 10 ? '0' + date.getDate() : date.getDate();
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var HH = date.getHours() < 10 ? '0' + date.getHours() : date.getHours();
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var mm = date.getMinutes() < 10 ? '0' + date.getMinutes() : date.getMinutes();
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var ss = date.getSeconds() < 10 ? '0' + date.getSeconds() : date.getSeconds();
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return date.getFullYear() + '-' + MM + '-' + DD + ' ' + HH + ':' + mm + ':' + ss;
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};
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/**
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* Format acknowledges.
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*
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* @param {array} acknowledges array of Zabbix acknowledge objects
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* @return {string} HTML-formatted table
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*/
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this.formatAcknowledges = function(acknowledges) {
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if (acknowledges.length) {
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var formatted_acknowledges = '<br><br>Acknowledges:<br><table><tr><td><b>Time</b></td>'
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+ '<td><b>User</b></td><td><b>Comments</b></td></tr>';
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_.each(_.map(acknowledges, function (ack) {
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var time = new Date(ack.clock * 1000);
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return '<tr><td><i>' + self.getShortTime(time) + '</i></td><td>' + ack.alias
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+ ' (' + ack.name + ' ' + ack.surname + ')' + '</td><td>' + ack.message + '</td></tr>';
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}), function (ack) {
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formatted_acknowledges = formatted_acknowledges.concat(ack);
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});
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formatted_acknowledges = formatted_acknowledges.concat('</table>');
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return formatted_acknowledges;
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} else {
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return '';
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}
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};
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/**
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* Downsample datapoints series
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*
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* @param {array} datapoints [[<value>, <unixtime>], ...]
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* @param {integer} time_to Panel time to
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* @param {integer} ms_interval Interval in milliseconds for grouping datapoints
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* @return {array} [[<value>, <unixtime>], ...]
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*/
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this.downsampleSeries = function(datapoints, time_to, ms_interval) {
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var downsampledSeries = [];
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var timeWindow = {
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from: time_to * 1000 - ms_interval,
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to: time_to * 1000
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};
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var points_sum = 0;
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var points_num = 0;
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var value_avg = 0;
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for (var i = datapoints.length - 1; i >= 0; i -= 1) {
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if (timeWindow.from < datapoints[i][1] && datapoints[i][1] <= timeWindow.to) {
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points_sum += datapoints[i][0];
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points_num++;
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}
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else {
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value_avg = points_num ? points_sum / points_num : 0;
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downsampledSeries.push([value_avg, timeWindow.to]);
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// Shift time window
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timeWindow.to = timeWindow.from;
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timeWindow.from -= ms_interval;
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points_sum = 0;
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points_num = 0;
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// Process point again
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i++;
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}
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}
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return downsampledSeries.reverse();
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};
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});
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}); |