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/* eslint-disable class-methods-use-this, promise/catch-or-return */
export default class PrometheusMetrics {
constructor(wrapperSelector) {
this.backOffRequestCounter = 0;
this.$wrapper = $(wrapperSelector);
this.$monitoredMetricsPanel = this.$wrapper.find('.js-panel-monitored-metrics');
this.$monitoredMetricsCount = this.$monitoredMetricsPanel.find('.js-monitored-count');
this.$monitoredMetricsLoading = this.$monitoredMetricsPanel.find('.js-loading-metrics');
this.$monitoredMetricsEmpty = this.$monitoredMetricsPanel.find('.js-empty-metrics');
this.$monitoredMetricsList = this.$monitoredMetricsPanel.find('.js-metrics-list');
this.$panelToggle = this.$wrapper.find('.js-panel-toggle');
this.activeMetricsEndpoint = this.$monitoredMetricsPanel.data('active-metrics');
}
init() {
this.$panelToggle.on('click', e => this.handlePanelToggle(e));
}
handlePanelToggle(e) {
const $toggleBtn = $(e.currentTarget);
const $currentPanelBody = $toggleBtn.parents('.panel').find('.panel-body');
if ($currentPanelBody.is(':visible')) {
$currentPanelBody.addClass('hidden');
$toggleBtn.removeClass('fa-caret-down').addClass('fa-caret-right');
} else {
$currentPanelBody.removeClass('hidden');
$toggleBtn.removeClass('fa-caret-right').addClass('fa-caret-down');
}
}
populateActiveMetrics(metrics) {
let totalMonitoredMetrics = 0;
metrics.forEach((metric) => {
this.$monitoredMetricsList.append(`<li>${metric.group}<span class="badge-count">${metric.active_metrics}</span></li>`);
totalMonitoredMetrics += metric.active_metrics;
});
this.$monitoredMetricsCount.text(totalMonitoredMetrics);
this.$monitoredMetricsLoading.addClass('hidden');
this.$monitoredMetricsList.removeClass('hidden');
}
loadActiveMetrics() {
this.$monitoredMetricsLoading.removeClass('hidden');
gl.utils.backOff((next, stop) => {
$.getJSON(this.activeMetricsEndpoint)
.done((res) => {
if (res && res.success) {
stop(res);
} else {
this.backOffRequestCounter = this.backOffRequestCounter += 1;
if (this.backOffRequestCounter < 3) {
next();
} else {
stop(res);
}
}
})
.fail(stop);
})
.then((res) => {
if (res && res.data && res.data.length) {
this.populateActiveMetrics(res.data);
} else {
this.$monitoredMetricsLoading.addClass('hidden');
this.$monitoredMetricsEmpty.removeClass('hidden');
}
});
}
}
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