Added federation ping, loopback and dashboard

app/federation/client/admin/dashboard.css

@@ -0,0 +1,141 @@
+.status {
+	flex: 0 0 auto;
+
+	width: 6px;
+	height: 6px;
+	margin: 0 7px;
+
+	border-radius: 50%;
+}
+
+.status.stable {
+	background-color: #2de0a5;
+}
+
+.status.unstable {
+	background-color: #ffd21f;
+}
+
+.status.failing {
+	background-color: #f5455c;
+}
+
+.frame {
+	display: flex;
+	flex-direction: row;
+}
+
+.group {
+	display: flex;
+	flex-direction: row;
+	flex: 100%;
+
+	max-width: 100%;
+	margin: 10px;
+
+	border-width: 1px;
+	align-items: center;
+	justify-content: center;
+}
+
+.group.left {
+	justify-content: flex-start;
+}
+
+.group.wrap {
+	flex-wrap: wrap;
+}
+
+.overview-column {
+	flex: 100%;
+
+	min-height: 20px;
+	margin: 15px 0;
+}
+
+.overview-column.small {
+	max-width: 20%;
+}
+
+.group .overview-column:not(:last-child) {
+	border-right: 1px solid #e9e9e9;
+}
+
+.group .overview-column:nth-child(5n) {
+	border-right: 0;
+}
+
+.overview-pill {
+	display: flex;
+
+	width: 100%;
+	padding: 0 10px;
+
+	user-select: text;
+	text-align: center;
+	align-items: center;
+}
+
+.overview-item {
+	width: 100%;
+
+	user-select: text;
+	text-align: center;
+}
+
+.overview-item > .title {
+	display: inline-block;
+
+	margin-top: 8px;
+
+	text-transform: uppercase;
+
+	color: #9ea2a8;
+
+	font-size: 0.875rem;
+	font-weight: 300;
+}
+
+.overview-item > .value {
+	display: inline-block;
+
+	width: 100%;
+
+	text-transform: capitalize;
+
+	color: #383838;
+
+	font-size: 1.75rem;
+	font-weight: 400;
+	line-height: 1;
+}
+
+@media screen and (max-width: 925px) {
+	.overview-item > .title {
+		font-size: 0.5rem;
+	}
+
+	.overview-item > .value {
+		font-size: 1rem;
+	}
+}
+
+@media screen and (max-width: 800px) {
+	.overview-item > .title {
+		font-size: 0.875rem;
+	}
+
+	.overview-item > .value {
+		font-size: 1.75rem;
+	}
+}
+
+@media screen and (max-width: 600px) {
+	.overview-item > .title {
+		font-size: 0.5rem;
+	}
+
+	.overview-item > .value {
+		font-size: 1rem;
+	}
+}

app/federation/client/admin/dashboard.html

@@ -0,0 +1,33 @@
+<template name="dashboard">
+	<div class="main-content-flex">
+		<section class="page-container page-list flex-tab-main-content">
+			{{> header sectionName="Federation_Dashboard"}}
+			<div class="content">
+				<div class="section">
+					<div class="section-content">
+						<div class="group border-component-color">
+							{{#each federationOverviewData}}
+							<div class="overview-column">
+								<div class="overview-item">
+									<span class="value">{{value}}</span>
+									<span class="title">{{_ title}}</span>
+								</div>
+							</div>
+							{{/each}}
+						</div>
+						<div class="group left wrap border-component-color">
+							{{#each federationPeerStatuses}}
+							<div class="overview-column small">
+								<div class="overview-pill" title="{{status}} - {{statusAt}}">
+									<div class="status {{status}}"></div>
+									<span class="title">{{peer}}</span>
+								</div>
+							</div>
+							{{/each}}
+						</div>
+					</div>
+				</div>
+			</div>
+		</section>
+	</div>
+</template>

app/federation/client/admin/dashboard.js

@@ -0,0 +1,92 @@
+import { Meteor } from 'meteor/meteor';
+import { Tracker } from 'meteor/tracker';
+import { Template } from 'meteor/templating';
+import { ReactiveVar } from 'meteor/reactive-var';
+
+import { BlazeLayout } from 'meteor/kadira:blaze-layout';
+import { FlowRouter } from 'meteor/kadira:flow-router';
+import { AdminBox } from '../../../ui-utils';
+import { hasRole } from '../../../authorization';
+
+import './dashboard.html';
+import './dashboard.css';
+
+// Template controller
+let templateInstance;		// current template instance/context
+
+// Methods
+const updateOverviewData = () => {
+	Meteor.call('federation:getOverviewData', (error, result) => {
+		if (error) {
+			console.log(error);
+
+			return;
+			// return handleError(error);
+		}
+
+		const { data } = result;
+
+		templateInstance.federationOverviewData.set(data);
+	});
+};
+
+const updatePeerStatuses = () => {
+	Meteor.call('federation:getPeerStatuses', (error, result) => {
+		if (error) {
+			console.log(error);
+
+			return;
+			// return handleError(error);
+		}
+
+		const { data } = result;
+
+		templateInstance.federationPeerStatuses.set(data);
+	});
+};
+
+const updateData = () => {
+	updateOverviewData();
+	updatePeerStatuses();
+};
+
+Template.dashboard.helpers({
+	federationOverviewData() {
+		return templateInstance.federationOverviewData.get();
+	},
+	federationPeerStatuses() {
+		return templateInstance.federationPeerStatuses.get();
+	},
+});
+
+// Events
+Template.dashboard.onCreated(function() {
+	templateInstance = Template.instance();
+
+	this.federationOverviewData = new ReactiveVar();
+	this.federationPeerStatuses = new ReactiveVar();
+});
+
+Template.dashboard.onRendered(() => {
+	Tracker.autorun(updateData);
+
+	setInterval(updateData, 10000);
+});
+
+// Route setup
+
+FlowRouter.route('/admin/federation-dashboard', {
+	name: 'federation-dashboard',
+	action() {
+		BlazeLayout.render('main', { center: 'dashboard', old: true });
+	},
+});
+
+AdminBox.addOption({
+	icon: 'discover',
+	href: 'admin/federation-dashboard',
+	i18nLabel: 'Federation Dashboard',
+	permissionGranted() {
+		return hasRole(Meteor.userId(), 'admin');
+	},
+});

app/federation/client/index.js

@@ -1,23 +1,2 @@
-import { MessageTypes } from '../../ui-utils/client';
-
-// Register message types
-MessageTypes.registerType({
-	id: 'rejected-message-by-peer',
-	system: true,
-	message: 'This_message_was_rejected_by__peer__peer',
-	data(message) {
-		return {
-			peer: message.peer,
-		};
-	},
-});
-MessageTypes.registerType({
-	id: 'peer-does-not-exist',
-	system: true,
-	message: 'The_peer__peer__does_not_exist',
-	data(message) {
-		return {
-			peer: message.peer,
-		};
-	},
-});
+import './messageTypes';
+import './admin/dashboard';

app/federation/client/messageTypes.js

@@ -0,0 +1,23 @@
+import { MessageTypes } from '../../ui-utils/client';
+
+// Register message types
+MessageTypes.registerType({
+	id: 'rejected-message-by-peer',
+	system: true,
+	message: 'This_message_was_rejected_by__peer__peer',
+	data(message) {
+		return {
+			peer: message.peer,
+		};
+	},
+});
+MessageTypes.registerType({
+	id: 'peer-does-not-exist',
+	system: true,
+	message: 'The_peer__peer__does_not_exist',
+	data(message) {
+		return {
+			peer: message.peer,
+		};
+	},
+});

app/federation/server/PeerClient.js

@@ -139,7 +139,7 @@ export class PeerClient {
 	propagateEvent(e) {
 		this.log(`propagateEvent: ${ e.t }`);
 
-		const { peer: domain } = e;
+		const { peer: domain, options: eventOptions } = e;
 
 		const peer = Federation.peerDNS.searchPeer(domain);
 
@@ -157,7 +157,7 @@ export class PeerClient {
 				// Encrypt with the local private key
 				payload = Federation.privateKey.encryptPrivate(payload);
 
-				Federation.peerHTTP.request(peer, 'POST', '/api/v1/federation.events', { payload }, { total: 5, stepSize: 500, stepMultiplier: 10 });
+				Federation.peerHTTP.request(peer, 'POST', '/api/v1/federation.events', { payload }, eventOptions.retry || { total: 5, stepSize: 500, stepMultiplier: 10 });
 
 				FederationEvents.setEventAsFullfilled(e);
 			} catch (err) {

app/federation/server/PeerDNS.js

@@ -72,9 +72,13 @@ export class PeerDNS {
 
 		// Try to lookup at the DNS Cache
 		if (!peer) {
-			this.updatePeerDNS(domain);
+			try {
+				this.updatePeerDNS(domain);
 
-			peer = FederationDNSCache.findOneByDomain(domain);
+				peer = FederationDNSCache.findOneByDomain(domain);
+			} catch (err) {
+				this.log(`Could not find peer for domain ${ domain }`);
+			}
 		}
 
 		return peer;
@@ -127,7 +131,7 @@ export class PeerDNS {
 	updatePeerDNS(domain) {
 		this.log(`updatePeerDNS: ${ domain }`);
 
-		let peer;
+		let peer = null;
 
 		try {
 			peer = this.getPeerUsingDNS(domain);
@@ -138,7 +142,11 @@ export class PeerDNS {
 				throw new Error(`Error trying to fetch SRV DNS entries for ${ domain }`);
 			}
 
-			peer = this.getPeerUsingHub(domain);
+			try {
+				peer = this.getPeerUsingHub(domain);
+			} catch (err) {
+				throw new Error(`Could not find a peer with domain ${ domain } using the hub`);
+			}
 		}
 
 		this.updateDNSCache.call(this, peer);