mirror of https://github.com/linkerd/linkerd2.git
399 lines
13 KiB
JavaScript
399 lines
13 KiB
JavaScript
import 'whatwg-fetch';
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import { emptyMetric, processMultiResourceRollup, processSingleResourceRollup } from './util/MetricUtils.jsx';
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import { resourceTypeToCamelCase, singularResource } from './util/Utils.js';
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import AddResources from './AddResources.jsx';
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import EdgesTable from './EdgesTable.jsx';
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import ErrorBanner from './ErrorBanner.jsx';
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import Grid from '@material-ui/core/Grid';
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import MetricsTable from './MetricsTable.jsx';
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import Octopus from './Octopus.jsx';
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import PropTypes from 'prop-types';
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import React from 'react';
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import SimpleChip from './util/Chip.jsx';
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import Spinner from './util/Spinner.jsx';
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import TopRoutesTabs from './TopRoutesTabs.jsx';
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import Typography from '@material-ui/core/Typography';
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import _filter from 'lodash/filter';
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import _get from 'lodash/get';
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import _indexOf from 'lodash/indexOf';
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import _isEmpty from 'lodash/isEmpty';
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import _isEqual from 'lodash/isEqual';
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import _isNil from 'lodash/isNil';
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import _merge from 'lodash/merge';
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import _reduce from 'lodash/reduce';
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import { processEdges } from './util/EdgesUtils.jsx';
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import { withContext } from './util/AppContext.jsx';
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// if there has been no traffic for some time, show a warning
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const showNoTrafficMsgDelayMs = 6000;
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// resource types supported when querying API for edge data
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const edgeDataAvailable = ["daemonset", "deployment", "job", "pod", "replicationcontroller", "statefulset"];
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const getResourceFromUrl = (match, pathPrefix) => {
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let resource = {
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namespace: match.params.namespace
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};
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let regExp = RegExp(`${pathPrefix || ""}/namespaces/${match.params.namespace}/([^/]+)/([^/]+)`);
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let urlParts = match.url.match(regExp);
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resource.type = singularResource(urlParts[1]);
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resource.name = urlParts[2];
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if (match.params[resource.type] !== resource.name) {
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console.error("Failed to extract resource from URL");
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}
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return resource;
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};
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export class ResourceDetailBase extends React.Component {
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static propTypes = {
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api: PropTypes.shape({
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PrefixedLink: PropTypes.func.isRequired,
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}).isRequired,
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match: PropTypes.shape({
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url: PropTypes.string.isRequired
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}).isRequired,
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pathPrefix: PropTypes.string.isRequired
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}
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constructor(props) {
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super(props);
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this.api = this.props.api;
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this.unmeshedSources = {};
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this.handleApiError = this.handleApiError.bind(this);
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this.loadFromServer = this.loadFromServer.bind(this);
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this.state = this.getInitialState(props.match, props.pathPrefix);
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}
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getInitialState(match, pathPrefix) {
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let resource = getResourceFromUrl(match, pathPrefix);
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return {
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namespace: resource.namespace,
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resourceName: resource.name,
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resourceType: resource.type,
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resource,
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lastMetricReceivedTime: Date.now(),
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isTcpOnly: false, // whether this resource only has TCP traffic
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pollingInterval: 2000,
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resourceMetrics: [],
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podMetrics: [], // metrics for all pods whose owner is this resource
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upstreamMetrics: {}, // metrics for resources who send traffic to this resource
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downstreamMetrics: {}, // metrics for resources who this resouce sends traffic to
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unmeshedSources: {},
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resourceIsMeshed: true,
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pendingRequests: false,
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loaded: false,
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error: null
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};
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}
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componentDidMount() {
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this.loadFromServer();
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this.timerId = window.setInterval(this.loadFromServer, this.state.pollingInterval);
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}
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componentDidUpdate(prevProps) {
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if (!_isEqual(prevProps.match.url, this.props.match.url)) {
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// React won't unmount this component when switching resource pages so we need to clear state
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this.api.cancelCurrentRequests();
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this.unmeshedSources = {};
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this.setState(this.getInitialState(this.props.match, this.props.pathPrefix));
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}
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}
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componentWillUnmount() {
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window.clearInterval(this.timerId);
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this.api.cancelCurrentRequests();
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}
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getDisplayMetrics(metricsByResource) {
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// if we're displaying a pod detail page, only display pod metrics
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// if we're displaying another type of resource page, display metrics for
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// rcs, deploys, replicasets, etc but not pods or authorities
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let shouldExclude = this.state.resourceType === "pod" ?
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r => r !== "pod" :
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r => r === "pod" || r === "authority" || r === "service";
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return _reduce(metricsByResource, (mem, resourceMetrics, resource) => {
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if (shouldExclude(resource)) {
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return mem;
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}
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return mem.concat(resourceMetrics);
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}, []);
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}
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loadFromServer() {
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if (this.state.pendingRequests) {
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return; // don't make more requests if the ones we sent haven't completed
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}
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this.setState({ pendingRequests: true });
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let { resource } = this.state;
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let apiRequests =
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[
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// inbound stats for this resource
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this.api.fetchMetrics(
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`${this.api.urlsForResource(resource.type, resource.namespace, true)}&resource_name=${resource.name}`
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),
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// list of all pods in this namespace (hack since we can't currently query for all pods in a resource)
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this.api.fetchPods(resource.namespace),
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// metrics for all pods in this namespace (hack, continued)
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this.api.fetchMetrics(
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`${this.api.urlsForResource("pod", resource.namespace, true)}`
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),
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// upstream resources of this resource (meshed traffic only)
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this.api.fetchMetrics(
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`${this.api.urlsForResource("all")}&to_name=${resource.name}&to_type=${resource.type}&to_namespace=${resource.namespace}`
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),
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// downstream resources of this resource (meshed traffic only)
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this.api.fetchMetrics(
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`${this.api.urlsForResource("all")}&from_name=${resource.name}&from_type=${resource.type}&from_namespace=${resource.namespace}`
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)
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];
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if (_indexOf(edgeDataAvailable, resource.type) > 0) {
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apiRequests = apiRequests.concat([
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this.api.fetchEdges(resource.namespace, resource.type)
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]);
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}
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this.api.setCurrentRequests(apiRequests);
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Promise.all(this.api.getCurrentPromises())
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.then(([resourceRsp, podListRsp, podMetricsRsp, upstreamRsp, downstreamRsp, edgesRsp]) => {
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let resourceMetrics = processSingleResourceRollup(resourceRsp);
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let podMetrics = processSingleResourceRollup(podMetricsRsp);
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let upstreamMetrics = processMultiResourceRollup(upstreamRsp);
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let downstreamMetrics = processMultiResourceRollup(downstreamRsp);
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let edges = processEdges(edgesRsp, this.state.resource.name);
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// INEFFICIENT: get metrics for all the pods belonging to this resource.
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// Do this by querying for metrics for all pods in this namespace and then filtering
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// out those pods whose owner is not this resource
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// TODO: fix (#1467)
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let resourceName = resource.namespace + "/" + resource.name;
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let podMetricsForResource;
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if (resource.type === "pod") {
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// get only info for the pod whose ResourceDetail is being shown
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// pod.name in podMetrics is of the form `pod-name`
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podMetricsForResource = _filter(podMetrics, pod => pod.name === resource.name);
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} else {
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let podBelongsToResource = _reduce(podListRsp.pods, (mem, pod) => {
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if (_get(pod, resourceTypeToCamelCase(resource.type)) === resourceName) {
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// pod.name in podListRsp is of the form `namespace/pod-name`
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mem[pod.name] = true;
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}
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return mem;
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}, {});
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// get all pods whose owner is this resource
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podMetricsForResource = _filter(podMetrics, pod => podBelongsToResource[pod.namespace + "/" + pod.name]);
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}
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let resourceIsMeshed = true;
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if (!_isEmpty(this.state.resourceMetrics)) {
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resourceIsMeshed = _get(this.state.resourceMetrics, '[0].pods.meshedPods') > 0;
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}
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let hasHttp = false;
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let hasTcp = false;
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let metric = resourceMetrics[0];
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if (!_isEmpty(metric)) {
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hasHttp = !_isNil(metric.requestRate) && !_isEmpty(metric.latency);
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if (!_isEmpty(metric.tcp)) {
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let { tcp } = metric;
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hasTcp = tcp.openConnections > 0 || tcp.readBytes > 0 || tcp.writeBytes > 0;
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}
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}
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let isTcpOnly = !hasHttp && hasTcp;
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// figure out when the last traffic this resource received was so we can show a no traffic message
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let lastMetricReceivedTime = this.state.lastMetricReceivedTime;
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if (hasHttp || hasTcp) {
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lastMetricReceivedTime = Date.now();
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}
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this.setState({
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resourceMetrics,
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resourceIsMeshed,
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podMetrics: podMetricsForResource,
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upstreamMetrics,
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downstreamMetrics,
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edges,
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lastMetricReceivedTime,
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isTcpOnly,
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loaded: true,
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pendingRequests: false,
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error: null,
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unmeshedSources: this.unmeshedSources // in place of debouncing, just update this when we update the rest of the state
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});
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})
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.catch(this.handleApiError);
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}
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handleApiError = e => {
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if (e.isCanceled) {
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return;
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}
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this.setState({
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loaded: true,
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pendingRequests: false,
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error: e
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});
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}
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updateUnmeshedSources = obj => {
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this.unmeshedSources = obj;
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}
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banner = () => {
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if (!this.state.error) {
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return;
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}
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return <ErrorBanner message={this.state.error} />;
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}
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content = () => {
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if (!this.state.loaded && !this.state.error) {
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return <Spinner />;
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}
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let {
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resourceName,
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resourceType,
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namespace,
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resourceMetrics,
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edges,
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unmeshedSources,
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resourceIsMeshed,
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lastMetricReceivedTime,
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isTcpOnly,
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} = this.state;
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let query = {
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resourceName,
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resourceType,
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namespace
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};
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let unmeshed = _filter(unmeshedSources, d => d.type !== "pod")
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.map(d => _merge({}, emptyMetric, d, {
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unmeshed: true,
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pods: {
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totalPods: d.pods.length,
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meshedPods: 0
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}
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}));
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let upstreamMetrics = this.getDisplayMetrics(this.state.upstreamMetrics);
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let downstreamMetrics = this.getDisplayMetrics(this.state.downstreamMetrics);
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let upstreams = upstreamMetrics.concat(unmeshed);
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let showNoTrafficMsg = resourceIsMeshed && (Date.now() - lastMetricReceivedTime > showNoTrafficMsgDelayMs);
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return (
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<div>
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<Grid container justify="space-between" alignItems="center">
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<Grid item><Typography variant="h5">{resourceType}/{resourceName}</Typography></Grid>
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<Grid item>
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<Grid container spacing={8}>
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{showNoTrafficMsg ? <Grid item><SimpleChip label="no traffic" type="warning" /></Grid> : null}
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<Grid item>
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{resourceIsMeshed ?
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<SimpleChip label="meshed" type="good" /> :
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<SimpleChip label="unmeshed" type="bad" />
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}
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</Grid>
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</Grid>
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</Grid>
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</Grid>
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{
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resourceIsMeshed ? null :
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<React.Fragment>
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<AddResources
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resourceName={resourceName}
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resourceType={resourceType} />
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</React.Fragment>
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}
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<Octopus
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resource={resourceMetrics[0]}
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neighbors={{ upstream: upstreamMetrics, downstream: downstreamMetrics }}
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unmeshedSources={Object.values(unmeshedSources)}
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api={this.api} />
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{isTcpOnly ? null : <TopRoutesTabs
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query={query}
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pathPrefix={this.props.pathPrefix}
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updateUnmeshedSources={this.updateUnmeshedSources}
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disableTop={!resourceIsMeshed} />
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}
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{_isEmpty(upstreams) ? null :
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<MetricsTable
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resource="multi_resource"
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title="Inbound"
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metrics={upstreamMetrics} />
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}
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{_isEmpty(this.state.downstreamMetrics) ? null :
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<MetricsTable
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resource="multi_resource"
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title="Outbound"
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metrics={downstreamMetrics} />
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}
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{
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this.state.resource.type === "pod" || isTcpOnly ? null :
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<MetricsTable
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resource="pod"
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title="Pods"
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metrics={this.state.podMetrics} />
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}
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<MetricsTable
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resource="pod"
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title="TCP"
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isTcpTable={true}
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metrics={this.state.podMetrics} />
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{
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_isEmpty(this.state.edges) ? null :
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<Grid container direction="column" justify="center">
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<Grid item>
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<EdgesTable
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api={this.api}
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namespace={this.state.resource.namespace}
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type={this.state.resource.type}
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title="Edges"
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edges={edges} />
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</Grid>
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</Grid>
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}
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</div>
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);
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}
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render() {
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return (
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<div className="page-content">
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<div>
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{this.banner()}
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{this.content()}
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</div>
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</div>
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);
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}
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}
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export default withContext(ResourceDetailBase);
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