linkerd2/web/app/js/components/ResourceDetail.jsx

359 lines
12 KiB
JavaScript

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