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<script>
/* global Flash */
import _ from 'underscore';
import MonitoringService from '../services/monitoring_service';
import GraphGroup from './graph_group.vue';
import Graph from './graph.vue';
import EmptyState from './empty_state.vue';
import MonitoringStore from '../stores/monitoring_store';
import eventHub from '../event_hub';
import { convertPermissionToBoolean } from '../../lib/utils/common_utils';
export default {
data() {
const metricsData = document.querySelector('#prometheus-graphs').dataset;
const store = new MonitoringStore();
return {
store,
state: 'gettingStarted',
hasMetrics: convertPermissionToBoolean(metricsData.hasMetrics),
documentationPath: metricsData.documentationPath,
settingsPath: metricsData.settingsPath,
metricsEndpoint: metricsData.additionalMetrics,
deploymentEndpoint: metricsData.deploymentEndpoint,
emptyGettingStartedSvgPath: metricsData.emptyGettingStartedSvgPath,
emptyLoadingSvgPath: metricsData.emptyLoadingSvgPath,
emptyUnableToConnectSvgPath: metricsData.emptyUnableToConnectSvgPath,
showEmptyState: true,
updateAspectRatio: false,
updatedAspectRatios: 0,
resizeThrottled: {},
};
},
components: {
Graph,
GraphGroup,
EmptyState,
},
methods: {
getGraphsData() {
this.state = 'loading';
Promise.all([
this.service.getGraphsData()
.then(data => this.store.storeMetrics(data)),
this.service.getDeploymentData()
.then(data => this.store.storeDeploymentData(data))
.catch(() => new Flash('Error getting deployment information.')),
])
.then(() => { this.showEmptyState = false; })
.catch(() => { this.state = 'unableToConnect'; });
},
resize() {
this.updateAspectRatio = true;
},
toggleAspectRatio() {
this.updatedAspectRatios = this.updatedAspectRatios += 1;
if (this.store.getMetricsCount() === this.updatedAspectRatios) {
this.updateAspectRatio = !this.updateAspectRatio;
this.updatedAspectRatios = 0;
}
},
},
created() {
this.service = new MonitoringService({
metricsEndpoint: this.metricsEndpoint,
deploymentEndpoint: this.deploymentEndpoint,
});
eventHub.$on('toggleAspectRatio', this.toggleAspectRatio);
},
beforeDestroy() {
eventHub.$off('toggleAspectRatio', this.toggleAspectRatio);
window.removeEventListener('resize', this.resizeThrottled, false);
},
mounted() {
this.resizeThrottled = _.throttle(this.resize, 600);
if (!this.hasMetrics) {
this.state = 'gettingStarted';
} else {
this.getGraphsData();
window.addEventListener('resize', this.resizeThrottled, false);
}
},
};
</script>
<template>
<div v-if="!showEmptyState" class="prometheus-graphs">
<graph-group
v-for="(groupData, index) in store.groups"
:key="index"
:name="groupData.group"
>
<graph
v-for="(graphData, index) in groupData.metrics"
:key="index"
:graph-data="graphData"
:update-aspect-ratio="updateAspectRatio"
:deployment-data="store.deploymentData"
/>
</graph-group>
</div>
<empty-state
v-else
:selected-state="state"
:documentation-path="documentationPath"
:settings-path="settingsPath"
:empty-getting-started-svg-path="emptyGettingStartedSvgPath"
:empty-loading-svg-path="emptyLoadingSvgPath"
:empty-unable-to-connect-svg-path="emptyUnableToConnectSvgPath"
/>
</template>
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