feat(discovery): add cryostat-agent discovery plugin

.dockerignore

@@ -2,4 +2,5 @@
 !target/*-runner
 !target/*-runner.jar
 !target/lib/*
-!target/quarkus-app/*
+!target/dependency/*.jar
+!target/quarkus-app/*

README.md

@@ -23,6 +23,25 @@ You can run your application in dev mode that enables live coding using:
 
 ## Packaging and running the application
 
+The [`cryostat-agent`](https://github.com/cryostatio/cryostast-agent) JAR dependency will be downloaded from an
+authenticated repository by default. Add or merge the following configuration into your `$HOME/.m2/settings.xml`,
+creating the file if it does not exist:
+
+```xml
+<settings xmlns="http://maven.apache.org/SETTINGS/1.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+  xsi:schemaLocation="http://maven.apache.org/SETTINGS/1.0.0 https://maven.apache.org/xsd/settings-1.0.0.xsd">
+  <servers>
+    <server>
+      <id>github</id>
+      <username>$MY_GITHUB_USERNAME</username>
+      <password>$MY_GITHUB_ACCESSTOKEN</password>
+    </server>
+  </servers>
+</settings>
+```
+
+The token must have the `read:packages` permission. It is recommended that this is the *only* permission the token has.
+
 The application can be packaged using:
 ```shell script
 ./mvnw package

pom.xml

@@ -5,6 +5,12 @@
   <groupId>io.cryostat</groupId>
   <artifactId>cryostat-reports</artifactId>
   <version>1.1.0-SNAPSHOT</version>
+  <repositories>
+    <repository>
+      <id>github</id>
+      <url>https://maven.pkg.github.com/cryostatio/cryostat-agent</url>
+    </repository>
+  </repositories>
   <properties>
     <compiler-plugin.version>3.8.1</compiler-plugin.version>
     <maven.compiler.parameters>true</maven.compiler.parameters>
@@ -16,9 +22,11 @@
     <quarkus.platform.group-id>io.quarkus.platform</quarkus.platform.group-id>
     <quarkus.platform.version>2.2.5.Final</quarkus.platform.version>
     <surefire-plugin.version>3.0.0-M5</surefire-plugin.version>
+    <dependency-plugin.version>3.3.0</dependency-plugin.version>
     <com.diffplug.spotless.maven.plugin.version>2.22.7</com.diffplug.spotless.maven.plugin.version>
     <org.codehaus.mojo.build.helper.plugin.version>3.3.0</org.codehaus.mojo.build.helper.plugin.version>
     <io.cryostat.core.version>2.12.0</io.cryostat.core.version>
+    <io.cryostat.agent.version>0.1.0-SNAPSHOT</io.cryostat.agent.version>
     <org.jsoup.version>1.14.3</org.jsoup.version>
   </properties>
   <dependencyManagement>
@@ -92,6 +100,28 @@
           <parameters>${maven.compiler.parameters}</parameters>
         </configuration>
       </plugin>
+      <plugin>
+        <artifactId>maven-dependency-plugin</artifactId>
+        <version>${dependency-plugin.version}</version>
+        <executions>
+          <execution>
+            <phase>prepare-package</phase>
+            <goals>
+              <goal>copy</goal>
+            </goals>
+            <configuration>
+              <artifactItems>
+                <artifactItem>
+                  <groupId>io.cryostat</groupId>
+                  <artifactId>cryostat-agent</artifactId>
+                  <version>${io.cryostat.agent.version}</version>
+                </artifactItem>
+              </artifactItems>
+              <stripVersion>true</stripVersion>
+            </configuration>
+          </execution>
+        </executions>
+      </plugin>
       <plugin>
         <artifactId>maven-surefire-plugin</artifactId>
         <version>${surefire-plugin.version}</version>

run.sh

@@ -26,10 +26,17 @@ if [ -z "${TIMEOUT}" ]; then
 fi
 
 podman run \
+    --name cryostat-reports \
     --user 0 \
+    --pod cryostat-pod \
     --cpus "${CPUS}" \
     --memory "${MEMORY}" \
-    --publish 8080:8080 \
-    --env JAVA_OPTIONS="-XX:ActiveProcessorCount=${CPUS} -XX:+PrintCommandLineFlags -Dorg.openjdk.jmc.flightrecorder.parser.singlethreaded=${SINGLETHREAD_JFR_PARSE} -Dio.cryostat.reports.memory-factor=${MEMORY_FACTOR} -Dio.cryostat.reports.timeout=${TIMEOUT}" \
+    --env JAVA_OPTIONS="-XX:ActiveProcessorCount=${CPUS} -XX:+PrintCommandLineFlags -Dorg.openjdk.jmc.flightrecorder.parser.singlethreaded=${SINGLETHREAD_JFR_PARSE} -Dio.cryostat.reports.memory-factor=${MEMORY_FACTOR} -Dio.cryostat.reports.timeout=${TIMEOUT} -Dcom.sun.management.jmxremote.port=7878 -Dcom.sun.management.jmxremote.authenticate=false -Dcom.sun.management.jmxremote.ssl=false -javaagent:/deployments/app/cryostat-agent.jar" \
+    --env QUARKUS_HTTP_PORT=10005 \
+    --env CRYOSTAT_AGENT_APP_NAME="cryostat-reports" \
+    --env CRYOSTAT_AGENT_CALLBACK="http://localhost:9977/" \
+    --env CRYOSTAT_AGENT_BASEURI="https://localhost:8181/" \
+    --env CRYOSTAT_AGENT_TRUST_ALL="true" \
+    --env CRYOSTAT_AGENT_AUTHORIZATION="Basic $(echo -n user:pass | base64)" \
     --rm -it \
     quay.io/cryostat/cryostat-reports:latest

src/main/docker/Dockerfile.jvm

@@ -41,13 +41,15 @@ RUN microdnf install curl ca-certificates ${JAVA_PACKAGE} \
     && echo "securerandom.source=file:/dev/urandom" >> /etc/alternatives/jre/conf/security/java.security
 
 # Configure the JAVA_OPTIONS, you can add -XshowSettings:vm to also display the heap size.
-ENV JAVA_OPTIONS="-Dquarkus.http.host=0.0.0.0 -Djava.util.logging.manager=org.jboss.logmanager.LogManager"
+ENV JAVA_OPTIONS="-Dquarkus.http.host=0.0.0.0 -Djava.util.logging.manager=org.jboss.logmanager.LogManager -javaagent:/deployments/app/cryostat-agent.jar"
 # We make four distinct layers so if there are application changes the library layers can be re-used
 COPY --chown=1001 target/quarkus-app/lib/ /deployments/lib/
 COPY --chown=1001 target/quarkus-app/*.jar /deployments/
 COPY --chown=1001 target/quarkus-app/app/ /deployments/app/
 COPY --chown=1001 target/quarkus-app/quarkus/ /deployments/quarkus/
 
+COPY --chown=1001 target/dependency/cryostat-agent.jar /deployments/app/
+
 EXPOSE 8080
 USER 1001