131 lines
5 KiB
JavaScript
131 lines
5 KiB
JavaScript
import $ from 'jquery';
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import _ from 'underscore';
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import { s__, n__, sprintf } from '~/locale';
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import axios from '../lib/utils/axios_utils';
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import PANEL_STATE from './constants';
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import { backOff } from '../lib/utils/common_utils';
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export default class PrometheusMetrics {
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constructor(wrapperSelector) {
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this.backOffRequestCounter = 0;
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this.$wrapper = $(wrapperSelector);
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this.$monitoredMetricsPanel = this.$wrapper.find('.js-panel-monitored-metrics');
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this.$monitoredMetricsCount = this.$monitoredMetricsPanel.find('.js-monitored-count');
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this.$monitoredMetricsLoading = this.$monitoredMetricsPanel.find('.js-loading-metrics');
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this.$monitoredMetricsEmpty = this.$monitoredMetricsPanel.find('.js-empty-metrics');
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this.$monitoredMetricsList = this.$monitoredMetricsPanel.find('.js-metrics-list');
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this.$missingEnvVarPanel = this.$wrapper.find('.js-panel-missing-env-vars');
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this.$panelToggle = this.$missingEnvVarPanel.find('.js-panel-toggle');
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this.$missingEnvVarMetricCount = this.$missingEnvVarPanel.find('.js-env-var-count');
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this.$missingEnvVarMetricsList = this.$missingEnvVarPanel.find('.js-missing-var-metrics-list');
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this.activeMetricsEndpoint = this.$monitoredMetricsPanel.data('activeMetrics');
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this.helpMetricsPath = this.$monitoredMetricsPanel.data('metrics-help-path');
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this.$panelToggle.on('click', e => this.handlePanelToggle(e));
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}
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/* eslint-disable class-methods-use-this */
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handlePanelToggle(e) {
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const $toggleBtn = $(e.currentTarget);
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const $currentPanelBody = $toggleBtn.closest('.card').find('.card-body');
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$currentPanelBody.toggleClass('hidden');
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if ($toggleBtn.hasClass('fa-caret-down')) {
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$toggleBtn.removeClass('fa-caret-down').addClass('fa-caret-right');
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} else {
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$toggleBtn.removeClass('fa-caret-right').addClass('fa-caret-down');
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}
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}
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showMonitoringMetricsPanelState(stateName) {
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switch (stateName) {
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case PANEL_STATE.LOADING:
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this.$monitoredMetricsLoading.removeClass('hidden');
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this.$monitoredMetricsEmpty.addClass('hidden');
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this.$monitoredMetricsList.addClass('hidden');
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break;
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case PANEL_STATE.LIST:
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this.$monitoredMetricsLoading.addClass('hidden');
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this.$monitoredMetricsEmpty.addClass('hidden');
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this.$monitoredMetricsList.removeClass('hidden');
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break;
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default:
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this.$monitoredMetricsLoading.addClass('hidden');
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this.$monitoredMetricsEmpty.removeClass('hidden');
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this.$monitoredMetricsList.addClass('hidden');
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break;
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}
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}
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populateActiveMetrics(metrics) {
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let totalMonitoredMetrics = 0;
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let totalMissingEnvVarMetrics = 0;
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let totalExporters = 0;
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metrics.forEach((metric) => {
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if (metric.active_metrics > 0) {
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totalExporters += 1;
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this.$monitoredMetricsList.append(`<li>${_.escape(metric.group)}<span class="badge">${_.escape(metric.active_metrics)}</span></li>`);
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totalMonitoredMetrics += metric.active_metrics;
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if (metric.metrics_missing_requirements > 0) {
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this.$missingEnvVarMetricsList.append(`<li>${_.escape(metric.group)}</li>`);
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totalMissingEnvVarMetrics += 1;
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}
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}
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});
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if (totalMonitoredMetrics === 0) {
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const emptyCommonMetricsText = sprintf(s__('PrometheusService|<p class="text-tertiary">No <a href="%{docsUrl}">common metrics</a> were found</p>'), {
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docsUrl: this.helpMetricsPath,
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}, false);
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this.$monitoredMetricsEmpty.empty();
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this.$monitoredMetricsEmpty.append(emptyCommonMetricsText);
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this.showMonitoringMetricsPanelState(PANEL_STATE.EMPTY);
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} else {
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const metricsCountText = sprintf(s__('PrometheusService|%{exporters} with %{metrics} were found'), {
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exporters: n__('%d exporter', '%d exporters', totalExporters),
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metrics: n__('%d metric', '%d metrics', totalMonitoredMetrics),
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});
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this.$monitoredMetricsCount.text(metricsCountText);
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this.showMonitoringMetricsPanelState(PANEL_STATE.LIST);
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if (totalMissingEnvVarMetrics > 0) {
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this.$missingEnvVarPanel.removeClass('hidden');
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this.$missingEnvVarMetricCount.text(totalMissingEnvVarMetrics);
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}
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}
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}
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loadActiveMetrics() {
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this.showMonitoringMetricsPanelState(PANEL_STATE.LOADING);
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backOff((next, stop) => {
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axios.get(this.activeMetricsEndpoint)
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.then(({ data }) => {
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if (data && data.success) {
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stop(data);
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} else {
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this.backOffRequestCounter += 1;
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if (this.backOffRequestCounter < 3) {
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next();
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} else {
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stop(data);
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}
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}
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})
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.catch(stop);
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})
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.then((res) => {
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if (res && res.data && res.data.length) {
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this.populateActiveMetrics(res.data);
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} else {
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this.showMonitoringMetricsPanelState(PANEL_STATE.EMPTY);
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}
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})
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.catch(() => {
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this.showMonitoringMetricsPanelState(PANEL_STATE.EMPTY);
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});
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}
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}
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