import Component from '@glimmer/component'; import { tracked } from '@glimmer/tracking'; import { action } from '@ember/object'; export default class TopologyMetrics extends Component { // =attributes @tracked centerDimensions; @tracked downView; @tracked downLines = []; @tracked upView; @tracked upLines = []; @tracked noMetricsReason; // =methods drawDownLines(items) { const order = ['allow', 'deny']; const dest = { x: this.centerDimensions.x - 7, y: this.centerDimensions.y + this.centerDimensions.height / 2, }; return items .map(item => { const dimensions = item.getBoundingClientRect(); const src = { x: dimensions.x + dimensions.width, y: dimensions.y + dimensions.height / 2, }; return { id: item.id, permission: item.getAttribute('data-permission'), dest: dest, src: src, }; }) .sort((a, b) => { return order.indexOf(a.permission) - order.indexOf(b.permission); }); } drawUpLines(items) { const order = ['allow', 'deny']; const src = { x: this.centerDimensions.x + 5.5, y: this.centerDimensions.y + this.centerDimensions.height / 2, }; return items .map(item => { const dimensions = item.getBoundingClientRect(); const dest = { x: dimensions.x - dimensions.width - 25, y: dimensions.y + dimensions.height / 2, }; return { id: item.id, permission: item.getAttribute('data-permission'), dest: dest, src: src, }; }) .sort((a, b) => { return order.indexOf(a.permission) - order.indexOf(b.permission); }); } // =actions @action setHeight(el, item) { if (el) { const container = el.getBoundingClientRect(); document.getElementById(`${item[0]}`).setAttribute('style', `height:${container.height}px`); } this.calculate(); } @action calculate() { if (this.args.isRemoteDC) { this.noMetricsReason = 'Unable to fetch metrics for a remote datacenter'; } else if (this.args.service.Service.Kind === 'ingress-gateway') { this.noMetricsReason = 'Unable to fetch metrics for a ingress gateway'; } else { this.noMetricsReason = null; } // Calculate viewBox dimensions this.downView = document.getElementById('downstream-lines').getBoundingClientRect(); this.upView = document.getElementById('upstream-lines').getBoundingClientRect(); // Get Card elements positions const downCards = [ ...document.querySelectorAll('#downstream-container .topology-metrics-card'), ]; const grafanaCard = document.querySelector('.metrics-header'); const upCards = [...document.querySelectorAll('#upstream-column .topology-metrics-card')]; // Set center positioning points this.centerDimensions = grafanaCard.getBoundingClientRect(); // Set Downstream Cards Positioning points this.downLines = this.drawDownLines(downCards); // Set Upstream Cards Positioning points this.upLines = this.drawUpLines(upCards); } }