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FROM icr.io/appcafe/open-liberty:kernel-slim-java17-openj9-ubi
ARG VERSION=1.0
ARG REVISION=SNAPSHOT
LABEL \
org.opencontainers.image.authors="Your Name" \
org.opencontainers.image.vendor="IBM" \
org.opencontainers.image.url="local" \
org.opencontainers.image.source="https://github.com/OpenLiberty/guide-getting-started" \
org.opencontainers.image.version="$VERSION" \
org.opencontainers.image.revision="$REVISION" \
vendor="Open Liberty" \
name="system" \
version="$VERSION-$REVISION" \
summary="The system microservice from the Getting Started guide" \
description="This image contains the system microservice running with the Open Liberty runtime."
COPY --chown=1001:0 src/main/liberty/config/ /config/
RUN features.sh
COPY --chown=1001:0 target/*.war /config/apps/
RUN configure.sh

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<?xml version='1.0' encoding='utf-8'?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>io.openliberty.guides</groupId>
<artifactId>guide-getting-started</artifactId>
<version>1.0-SNAPSHOT</version>
<packaging>war</packaging>
<properties>
<maven.compiler.source>11</maven.compiler.source>
<maven.compiler.target>11</maven.compiler.target>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
<!-- Liberty configuration -->
<liberty.var.default.http.port>9080</liberty.var.default.http.port>
<liberty.var.default.https.port>9443</liberty.var.default.https.port>
</properties>
<dependencies>
<!-- Provided dependencies -->
<dependency>
<groupId>jakarta.platform</groupId>
<artifactId>jakarta.jakartaee-api</artifactId>
<version>10.0.0</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>org.eclipse.microprofile</groupId>
<artifactId>microprofile</artifactId>
<version>6.0</version>
<type>pom</type>
<scope>provided</scope>
</dependency>
<!-- For tests -->
<dependency>
<groupId>org.junit.jupiter</groupId>
<artifactId>junit-jupiter</artifactId>
<version>5.9.2</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.jboss.resteasy</groupId>
<artifactId>resteasy-client</artifactId>
<version>6.2.3.Final</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.jboss.resteasy</groupId>
<artifactId>resteasy-json-binding-provider</artifactId>
<version>6.2.3.Final</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.glassfish</groupId>
<artifactId>jakarta.json</artifactId>
<version>2.0.1</version>
<scope>test</scope>
</dependency>
</dependencies>
<build>
<finalName>${project.artifactId}</finalName>
<plugins>
<!-- Enable liberty-maven plugin -->
<plugin>
<groupId>io.openliberty.tools</groupId>
<artifactId>liberty-maven-plugin</artifactId>
<version>3.8.2</version>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-war-plugin</artifactId>
<version>3.3.2</version>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-plugin</artifactId>
<version>3.0.0</version>
</plugin>
<!-- Plugin to run functional tests -->
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-failsafe-plugin</artifactId>
<version>3.0.0</version>
<configuration>
<systemPropertyVariables>
<http.port>${liberty.var.default.http.port}</http.port>
<context.root>/dev</context.root>
</systemPropertyVariables>
</configuration>
</plugin>
</plugins>
</build>
</project>

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// tag::copyright[]
/*******************************************************************************
* Copyright (c) 2017, 2022 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*******************************************************************************/
// end::copyright[]
package io.openliberty.sample.system;
import jakarta.ws.rs.ApplicationPath;
import jakarta.ws.rs.core.Application;
@ApplicationPath("/system")
public class SystemApplication extends Application {
}

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package io.openliberty.sample.system;
import jakarta.enterprise.context.ApplicationScoped;
import java.lang.management.MemoryMXBean;
import java.lang.management.ManagementFactory;
import org.eclipse.microprofile.health.Liveness;
import org.eclipse.microprofile.health.HealthCheck;
import org.eclipse.microprofile.health.HealthCheckResponse;
@Liveness
@ApplicationScoped
public class SystemLivenessCheck implements HealthCheck {
@Override
public HealthCheckResponse call() {
MemoryMXBean memBean = ManagementFactory.getMemoryMXBean();
long memUsed = memBean.getHeapMemoryUsage().getUsed();
long memMax = memBean.getHeapMemoryUsage().getMax();
return HealthCheckResponse.named(
SystemResource.class.getSimpleName() + " Liveness Check")
.status(memUsed < memMax * 0.9).build();
}
}

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package io.openliberty.sample.system;
import jakarta.enterprise.context.ApplicationScoped;
import jakarta.inject.Inject;
import jakarta.inject.Provider;
import org.eclipse.microprofile.config.inject.ConfigProperty;
import org.eclipse.microprofile.health.Readiness;
import org.eclipse.microprofile.health.HealthCheck;
import org.eclipse.microprofile.health.HealthCheckResponse;
@Readiness
@ApplicationScoped
public class SystemReadinessCheck implements HealthCheck {
private static final String READINESS_CHECK = SystemResource.class.getSimpleName()
+ " Readiness Check";
@Inject
@ConfigProperty(name = "io_openliberty_guides_system_inMaintenance")
Provider<String> inMaintenance;
@Override
public HealthCheckResponse call() {
if (inMaintenance != null && inMaintenance.get().equalsIgnoreCase("true")) {
return HealthCheckResponse.down(READINESS_CHECK);
}
return HealthCheckResponse.up(READINESS_CHECK);
}
}

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// tag::copyright[]
/*******************************************************************************
* Copyright (c) 2017, 2022 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*******************************************************************************/
// end::copyright[]
package io.openliberty.sample.system;
import jakarta.ws.rs.core.Response;
import jakarta.enterprise.context.RequestScoped;
import jakarta.ws.rs.GET;
import jakarta.ws.rs.Path;
import jakarta.ws.rs.Produces;
import jakarta.ws.rs.core.MediaType;
import org.eclipse.microprofile.metrics.annotation.Counted;
import org.eclipse.microprofile.metrics.annotation.Timed;
@RequestScoped
@Path("/properties")
public class SystemResource {
@GET
@Produces(MediaType.APPLICATION_JSON)
@Timed(name = "getPropertiesTime",
description = "Time needed to get the JVM system properties")
@Counted(absolute = true, description
= "Number of times the JVM system properties are requested")
public Response getProperties() {
return Response.ok(System.getProperties()).build();
}
}

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<server description="Sample Liberty server">
<featureManager>
<feature>restfulWS-3.1</feature>
<feature>jsonp-2.1</feature>
<feature>jsonb-3.0</feature>
<feature>cdi-4.0</feature>
<feature>mpMetrics-5.0</feature>
<feature>mpHealth-4.0</feature>
<feature>mpConfig-3.0</feature>
</featureManager>
<variable name="default.http.port" defaultValue="9080"/>
<variable name="default.https.port" defaultValue="9443"/>
<webApplication location="guide-getting-started.war" contextRoot="/" />
<mpMetrics authentication="false"/>
<httpEndpoint host="*" httpPort="${default.http.port}"
httpsPort="${default.https.port}" id="defaultHttpEndpoint"/>
<variable name="io_openliberty_guides_system_inMaintenance" value="false"/>
</server>

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<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd"
version="3.1">
<display-name>Liberty Project</display-name>
<welcome-file-list>
<welcome-file>index.html</welcome-file>
</welcome-file-list>
</web-app>

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/*******************************************************************************
* Copyright (c) 2018 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
@import url("https://fonts.googleapis.com/css?family=Asap:300,400,500");
@font-face {
font-family: BunueloLight;
src: url("/fonts/BunueloCleanPro-Light.woff");
}
@font-face {
font-family: BunueloSemiBold;
src: url("/fonts/BunueloCleanPro-SemiBold.woff");
}
body{
font-family:Asap;
font-size: 16px;
color:#24243b;
background-color: white;
margin: 0px;
}
section {
padding-top: 55px;
padding-left: 8%;
padding-right: 8%;
/* font-weight: 400; */
letter-spacing:0;
text-align:left;
}
.line {
margin-right: 200px;
height: 1px;
background-color: #C8D3D3;
}
.headerImage {
background-image: url(/img/header_ufo.png);
background-repeat: no-repeat;
background-position: top 20px right 15px;
height: 103px;
margin-top: -94px;
}
#whereTo {
padding-bottom: 80px;
width: 50%;
}
p {
line-height: 22px;
margin-top: 0px;
}
h1 {
font-family:BunueloSemiBold;
font-size: 40px;
font-weight: 400;
letter-spacing:0;
text-align:left;
}
h2 {
font-size: 24px;
font-weight: 400;
}
h4 {
margin-top: 52px;
}
a {
text-decoration: none;
}
#appIntro {
background-image:linear-gradient(#141427 0%, #2c2e50 100%);
background-size: 100% calc(100% - 70px);
background-repeat: no-repeat;
}
#titleSection {
color: white;
margin-bottom: 80px;
}
#appTitle {
font-family:BunueloLight;
font-size:55px;
}
.headerRow {
height: 100px;
position:relative;
z-index:2;
box-shadow: 0 2px 4px 0 rgba(0,0,0,0.50);
}
.headerRow > div {
display: inline-block;
}
.collapsibleRow {
transition: border 400ms ease-out, box-shadow 200ms linear;
cursor: pointer;
}
.collapsibleRow:hover .headerTitle {
background-color: #f4f4f4;
transition: background-color 0.1s;
}
.collapsed .collapsibleRow {
box-shadow: none;
border-bottom: 4px solid;
}
.collapsed#healthSection > .headerRow {
border-bottom-color: #D6D9E4;
}
.collapsed#configSection > .headerRow {
border-bottom-color: #F8D7C1;
}
.collapsed#metricsSection > .headerRow {
border-bottom-color: #EEF3C3;
}
.collapsed .collapsibleContent { /* collapsing animation */
transition: all 400ms ease-out, opacity 300ms ease-in;
}
.expanded .collapsibleContent { /* expanding animation */
transition: all 400ms ease-out, opacity 450ms ease-out;
}
.collapsed .collapsibleContent {
opacity: 0;
max-height: 0;
visibility: hidden;
}
.expanded .collapsibleContent {
opacity: 1;
max-height: 1000px;
visibility: visible;
}
.headerIcon {
width: 160px;
height: 100%;
float: left;
background-color: #E8EAEF;
}
.headerIcon img {
display:block;
margin:auto;
margin-top: 20px;
}
#healthSection .headerIcon {
background-color: #E8EAEF;
}
#configSection .headerIcon {
background-color: #FDE4D1;
}
#metricsSection .headerIcon {
background-color: #F5F8DA;
}
.headerTitle {
background-color: white;
color:#5d6a8e;
letter-spacing:0;
text-align:left;
padding-left: 40px;
padding-top: 10px;
width: calc(100% - 200px); /* 160 from icon, 40 from padding */
}
#healthSection h2 {
color: #5D6A8E;
}
#configSection h2 {
color: #E57000;
}
#metricsSection h2 {
color: #4F6700;
}
#sysPropTitle {
padding-top: 28px;
}
.headerTitle > h2 {
font-family: BunueloLight;
font-size:40px;
margin: 0;
}
.caret {
position: absolute;
right: 45px;
top: 45px;
}
.collapsed#configSection .caret {
background-image: url("../img/carets/caret_down_orange.svg")
}
.expanded#configSection .caret {
background-image: url("../img/carets/caret_up_orange.svg")
}
.msSection {
background: white;
box-shadow: 0 2px 4px 0 rgba(63,70,89,0.31);
}
.sectionContent {
margin-left: 160px;
}
#systemPropertiesTable {
padding-left: 160px;
background: white;
}
button {
border-radius:100px;
height:44px;
color:#24253a;
text-align:center;
font-family: Asap;
margin-top: 25px;
margin-bottom: 70px;
cursor: pointer;
border: none;
}
button a {
text-decoration: none;
color:#F4914D;
}
#guidesButton {
background-color:#abd155;
width:269px;
font-weight: 500;
font-size:16px;
transition: background-color .2s;
}
#guidesButton:hover {
background-color: #C7EE63;
}
#mpGuidesButton {
border:2px solid #f4914d8c;
border-radius:100px;
font-size:20px;
letter-spacing:0;
padding-left: 40px;
padding-right: 40px;
background-color: white;
transition: background-color .2s, color .2s;
}
#mpGuidesButton:hover {
background-color: #f4914d;
color: white;
}
section#openLibertyAndMp {
background:#f4f4f5;
background-size: 100% calc(100% - 70px);
background-repeat: no-repeat;
}
#healthBox {
text-align: left;
display: table-cell;
vertical-align: middle;
width: 47%;
}
#healthBox > div {
display: table-cell;
vertical-align: middle;
}
#healthIcon {
padding-left: 73px;
padding-top: 56px;
padding-bottom: 56px;
}
#healthStatusIcon {
width: 104px;
height: 104px;
}
#healthText {
padding: 50px;
}
#serviceStatus {
font-size: 50px;
font-family:BunueloLight;
margin-top: 30px;
}
#healthNote {
text-align: left;
display: table-cell;
vertical-align: middle;
padding-left: 43px;
line-height: 26px;
width: 53%;
}
table {
width: 100%;
font-size: 14px;
text-align: left;
border-collapse: collapse;
}
th {
height: 63px;
padding-left: 41px;
font-size: 16px;
}
tr {
height: 45px;
}
td {
padding-left: 41px;
}
#systemPropertiesTable tr:first-child {
background: #D6D9E4;
}
#configTable tr:first-child {
background: #F8D7C1;;
}
#metricsTable tr:first-child {
background: #EEF3C3;
}
#systemPropertiesTable tr:nth-child(2n+3) {
background: #EEEFF3;
}
#configTable tr:nth-child(2n+2) {
background: #FEF8F4;
}
#metricsTable tr:nth-child(2n+2) {
background: #FBFCEE;
}
#systemPropertiesTable .sourceRow,
#healthTable .sourceRow {
border-top: 4px solid #D6D9E4;
}
#systemPropertiesTable .sourceRow a,
#healthTable .sourceRow a {
color: #5D6A8E;
}
#configTable .sourceRow {
border-top: 4px solid #F8D7C1;
}
#configTable .sourceRow a {
color: #E57000;
}
#metricsTable .sourceRow {
border-top: 4px solid #EEF3C3;
}
#metricsTable .sourceRow a {
color: #4F6700;
}
.sourceRow a {
font-weight: 500;
}
#learnMore {
margin-top: 120px;
padding: 0px 200px 100px;
}
#learnMore > h2 {
color:#5e6b8d;
}
.bodyFooter {
padding: 5px 8%;
background-image: url(/img/footer_main.png);
background-repeat: no-repeat;
background-position: top 20px right 110px;
margin-bottom: 40px;
margin-top: 50px;
color: #3F4659;
}
.bodyFooterLink {
font-family: Asap;
font-weight: 300;
font-size: 14px;
letter-spacing: 0;
border-bottom: solid 1px #C8D3D3;
margin-top: 30px;
margin-right: 130px;
padding-bottom: 5px;
padding-right: 50px;
text-align: right;
}
.bodyFooterLink > a {
text-decoration: none;
padding: 10px;
color: #96bc32;
}
#licenseLink {
color: #5E6B8D;
text-align: left;
}
#footer_text {
margin-top: 4px;
margin-bottom: 4px;
font-size: 16px;
}
#footer_copyright {
font-size: 11px;
}

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src/main/webapp/index.html Executable file
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<!--
Copyright (c) 2016, 2023 IBM Corp.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
-->
<html>
<head>
<script src="js/mpData.js"></script>
<link href="https://fonts.googleapis.com/css?family=Asap" rel="stylesheet">
<link rel="stylesheet" href="css/main.css">
</head>
<body>
<section id="appIntro">
<div id="titleSection">
<h1 id="appTitle">System Properties voorbeeld</h1>
<div class="line"></div>
<div class="headerImage"></div>
<h2>Open Liberty Java17 applicatie op Container Hosting Platform!</h2>
<p>Dit voorbeeld gebruikt de System Properties microservice om de eigenschappen van de Liberty server te tonen.</p>
</div>
<div class="msSection" id="systemProperties">
<div class="headerRow">
<div class="headerIcon"><img src="img/sysProps.svg"/></div>
<div class="headerTitle" id="sysPropTitle"><h2>System Properties</h2></div>
</div>
<div class="sectionContent">
<table id="systemPropertiesTable">
<tbody id="sysPropertiesTableBody">
<tr><th>Properties</th><th>Value</th></tr>
</tbody>
</table>
</div>
</div>
</section>
<section id="whereTo">
<p>Dit voorbeeld toont de eigenschappen van de hostevenals health en metrics.</p>
</section>
<section id="openLibertyAndMp">
<h1>System properties sample Insights</h1>
<h2>Built with Microprofile on Open Liberty </h2>
<div class="msSection collapsed" id="healthSection">
<div class="collapsibleRow headerRow" onClick="toggle()">
<div class="headerIcon"><img src="img/health.svg"/></div>
<div class="headerTitle">
<h2>Health</h2>
<p>Monitoring the health of your microservice</p>
<img class="caret" src="img/carets/caret_down_blue.svg"/>
</div>
</div>
<div class="collapsibleContent" id="collapsibleHealth">
<div class="sectionContent">
<div id="healthBox">
<div id="healthIcon"><div id="healthStatusIcon"><img id="healthStatusIconImage"/></div></div>
<div id="healthText">
<p id="serviceName"></p>
<p id="serviceStatus"></p>
</div>
</div>
<table id="healthTable"></table>
</div>
</div>
</div>
<div class="msSection collapsed" id="metricsSection">
<div class="collapsibleRow headerRow" onClick="toggle()">
<div class="headerIcon"><img src="img/metrics.svg"/></div>
<div class="headerTitle">
<h2>Metrics</h2>
<p>Monitoring how well your service is running</p>
<img class="caret" src="img/carets/caret_down_green.svg"/>
</div>
</div>
<div class="collapsibleContent" id="collapsibleConfig">
<div class="sectionContent" id="metricsText">
<table id="metricsTable">
<tbody id="metricsTableBody">
<tr><th>PROPERTY</th><th>VALUE</th></tr>
</tbody>
</table>
</div>
</div>
<div id="learnMore">
<h2>Want to learn more about Open Liberty and MicroProfile?</h2>
<p>Continue your winning streak and keep building successful apps with the help of our guides. Our MicroProfile&trade; guides are a great place to start if you want to build something similar to this sample app.</p>
<a href="https://openliberty.io/guides/?search=MicroProfile&key=tag"><button id="mpGuidesButton">Check out our MicroProfile guides</button></a>
</div>
</div>
</section>
<section id="whereToNext">
<h2>Where to next, captain?</h2>
<h4>Set course for the Open Liberty guides!</h4>
<p>All of the info you need to continue your journey is here, laid out in easy to follow steps and examples. Searching our current selection makes it easy to find the guide that will help make your next project a reality.</p>
<a href="https://openliberty.io/guides/"><button id="guidesButton">View all Open Liberty guides</button></a>
</section>
<script>
displaySystemProperties(); // this calls displayMetrics() because it is a dependency
displayHealth();
//displayConfigProperties();
</script>
</body>
<footer class="bodyFooter">
<div class="bodyFooterLink">
<a id="licenseLink" href="https://github.com/OpenLiberty/open-liberty/blob/release/LICENSE">License</a>
<a href="https://twitter.com/OpenLibertyIO">Twitter</a>
<a href="https://github.com/OpenLiberty">GitHub</a>
<a href="https://openliberty.io/">openliberty.io</a>
</div>
<p id="footerText">an IBM open source project</p>
<p id="footerCopyright">&copy;Copyright IBM Corp. 2018, 2023</p>
</footer>
</html>

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/*******************************************************************************
* Copyright (c) 2018, 2019 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
function displayMetrics() {
getSystemMetrics();
}
function getSystemMetrics() {
var url = "https://olproperties.alldcs.nl/metrics";
var req = new XMLHttpRequest();
var metricToDisplay = {};
var SRgetPropertiesTime = "io_openliberty_sample_system_SystemResource_getPropertiesTime";
metricToDisplay["getProperties_total{mp_scope=\"application\",}"] = "Request Count";
metricToDisplay[SRgetPropertiesTime + "_seconds{mp_scope=\"application\",quantile=\"0.999\",}"] = "Request Time (ms) at Quantile 0.999";
metricToDisplay[SRgetPropertiesTime + "_seconds{mp_scope=\"application\",quantile=\"0.5\",}"] = "Request Time (ms) at Quantile 0.5";
metricToDisplay[SRgetPropertiesTime + "_seconds_max{mp_scope=\"application\",}"] = "Max Request Time (ms)";
metricToDisplay["cpu_processCpuLoad_percent{mp_scope=\"base\",}"] = "System CPU Usage (%)";
metricToDisplay["memory_usedHeap_bytes{mp_scope=\"base\",}"] = "System Heap Usage (MB)";
var metricToMatch = "^(";
for (var metricKey in metricToDisplay) {
metricToMatch += metricKey + "|"
}
// remove the last |
metricToMatch = metricToMatch.substring(0, metricToMatch.length-1);
metricToMatch += ")\\s*(\\S*)$"
req.onreadystatechange = function() {
if (req.readyState != 4) return; // Not there yet
if (req.status != 200) {
document.getElementById("metricsText").innerHTML = req.statusText;
return;
}
var resp = req.responseText;
var regexpToMatch = new RegExp(metricToMatch, "gm");
var matchMetrics = resp.match(regexpToMatch);
var keyValPairs = {};
for (var metricKey in metricToDisplay) {
matchMetrics.forEach(function(line) {
var keyToMatch = metricKey + " (.*)";
var keyVal = line.match(new RegExp(keyToMatch));
if (keyVal) {
var val = keyVal[1];
if (metricKey.indexOf("application_io_openliberty_sample_system_SystemResource_getPropertiesTime") === 0) {
val = val * 1000;
} else if (metricKey.indexOf("base_memory_usedHeap_bytes") === 0) {
val = val / 1000000;
}
keyValPairs[metricToDisplay[metricKey]] = val;
}
})
}
var table = document.getElementById("metricsTableBody");
for (key in keyValPairs) {
var row = document.createElement("tr");
var keyData = document.createElement("td");
keyData.innerText = key;
var valueData = document.createElement("td");
valueData.innerText = keyValPairs[key];
row.appendChild(keyData);
row.appendChild(valueData);
table.appendChild(row);
}
addSourceRow(table, url);
};
req.open("GET", url, true);
req.send();
}
function displaySystemProperties() {
getSystemPropertiesRequest();
}
function getSystemPropertiesRequest() {
var propToDisplay = ["java.vendor", "java.version", "user.name", "os.name", "wlp.install.dir", "wlp.server.name" ];
var url = "https://olproperties.alldcs.nl/system/properties";
var req = new XMLHttpRequest();
var table = document.getElementById("systemPropertiesTable");
// Create the callback:
req.onreadystatechange = function () {
if (req.readyState != 4) return; // Not there yet
displayMetrics();
if (req.status != 200) {
table.innerHTML = "";
var row = document.createElement("tr");
var th = document.createElement("th");
th.innerText = req.statusText;
row.appendChild(th);
table.appendChild(row);
addSourceRow(table, url);
return;
}
// Request successful, read the response
var resp = JSON.parse(req.responseText);
for (var i = 0; i < propToDisplay.length; i++) {
var key = propToDisplay[i];
if (resp.hasOwnProperty(key)) {
var row = document.createElement("tr");
var keyData = document.createElement("td");
keyData.innerText = key;
var valueData = document.createElement("td");
valueData.innerText = resp[key];
row.appendChild(keyData);
row.appendChild(valueData);
table.appendChild(row);
}
}
addSourceRow(table, url);
};
req.open("GET", url, true);
req.send();
}
function displayHealth() {
getHealth();
}
function getHealth() {
var url = "https://olproperties.alldcs.nl/health";
var req = new XMLHttpRequest();
var healthBox = document.getElementById("healthBox");
var serviceName = document.getElementById("serviceName");
var healthStatus = document.getElementById("serviceStatus");
var healthIcon = document.getElementById("healthStatusIconImage");
req.onreadystatechange = function () {
if (req.readyState != 4) return; // Not there yet
// Request successful, read the response
if (req.responseText) {
var resp = JSON.parse(req.responseText);
var service = resp.checks[0]; //TODO: use for loop for multiple services
resp.checks.forEach(function (service) {
serviceName.innerText = service.name;
healthStatus.innerText = service.status;
if (service.status === "UP") {
healthBox.style.backgroundColor = "#f0f7e1";
healthIcon.setAttribute("src", "img/systemUp.svg");
} else {
healthBox.style.backgroundColor = "#fef7f2";
healthIcon.setAttribute("src", "img/systemDown.svg");
}
});
}
var table = document.getElementById("healthTable");
addSourceRow(table, url);
};
req.open("GET", url, true);
req.send();
}
function displayConfigProperties() {
getConfigPropertiesRequest();
}
function getConfigPropertiesRequest() {
var url = "https://olproperties.alldcs.nl/config";
var req = new XMLHttpRequest();
var configToDisplay = {};
configToDisplay["io_openliberty_sample_system_inMaintenance"] = "System In Maintenance";
configToDisplay["io_openliberty_sample_testConfigOverwrite"] = "Test Config Overwrite";
configToDisplay["io_openliberty_sample_port_number"] = "Port Number";
// Create the callback:
req.onreadystatechange = function () {
if (req.readyState != 4) return; // Not there yet
if (req.status != 200) {
return;
}
// Request successful, read the response
var resp = JSON.parse(req.responseText);
var configProps = resp["ConfigProperties"];
var table = document.getElementById("configTableBody");
for (key in configProps) {
var row = document.createElement("tr");
var keyData = document.createElement("td");
keyData.innerText = configToDisplay[key];
var valueData = document.createElement("td");
valueData.innerText = configProps[key];
row.appendChild(keyData);
row.appendChild(valueData);
table.appendChild(row);
}
addSourceRow(table, url);
}
req.open("GET", url, true);
req.send();
}
function toggle(e) {
var callerElement;
if (!e) {
if (window.event) {
e = window.event;
callerElement = e.currentTarget;
} else {
callerElement = window.toggle.caller.arguments[0].currentTarget; // for firefox
}
}
var classes = callerElement.parentElement.classList;
var collapsed = classes.contains("collapsed");
var caretImg = callerElement.getElementsByClassName("caret")[0];
var caretImgSrc = caretImg.getAttribute("src");
if (collapsed) { // expand the section
classes.replace("collapsed", "expanded");
caretImg.setAttribute("src", caretImgSrc.replace("down", "up"));
} else { // collapse the section
classes.replace("expanded", "collapsed");
caretImg.setAttribute("src", caretImgSrc.replace("up", "down"));
}
}
function addSourceRow(table, url) {
var sourceRow = document.createElement("tr");
sourceRow.classList.add("sourceRow");
var sourceText = document.createElement("td");
sourceText.setAttribute("colspan", "100%");
sourceText.innerHTML = "API Source\: <a href='"+url+"'>"+url+"</a>";
sourceRow.appendChild(sourceText);
table.appendChild(sourceRow);
}

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// tag::copyright[]
/*******************************************************************************
* Copyright (c) 2018, 2022 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*******************************************************************************/
// end::copyright[]
package it.io.openliberty.sample;
import static org.junit.jupiter.api.Assertions.assertEquals;
import jakarta.json.JsonObject;
import jakarta.ws.rs.client.Client;
import jakarta.ws.rs.client.ClientBuilder;
import jakarta.ws.rs.client.WebTarget;
import jakarta.ws.rs.core.Response;
import org.junit.jupiter.api.Test;
public class PropertiesEndpointIT {
@Test
public void testGetProperties() {
// system properties
String port = System.getProperty("http.port");
String contextRoot = System.getProperty("context.root", "/");
String url = "http://localhost:" + port + contextRoot;
// client setup
Client client = ClientBuilder.newClient();
// request
WebTarget target = client.target(url + "/system/properties");
Response response = target.request().get();
// response
assertEquals(200, response.getStatus(), "Incorrect response code from " + url);
JsonObject obj = response.readEntity(JsonObject.class);
response.close();
client.close();
}
}

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test