Use test containers for Consul examples

consul-examples/README.adoc

@@ -1,15 +1,6 @@
-= Vert.x Consul Client examples
+== Vert.x Consul Client examples
 
-== Start Consul instance
+This example consists of saving and retrieving a key/value pair in Consul.
 
-To run this example, you need a running Consul instance
-
-[source,bash]
-----
-consul agent -data-dir=/tmp/kekeke -server -ui -bootstrap=1
-----
-
-== Languages
-
-* link:src/main/java/io/vertx/examples/consul/ConsulClientVerticle.java[ConsulClientVerticle.java]
+link:src/main/java/io/vertx/examples/consul/ConsulClientVerticle.java[ConsulClientVerticle.java]
 

consul-examples/pom.xml

@@ -23,6 +23,11 @@
       <artifactId>vertx-launcher-application</artifactId>
       <version>${project.version}</version>
     </dependency>
+    <dependency>
+      <groupId>org.testcontainers</groupId>
+      <artifactId>consul</artifactId>
+      <version>${testcontainers.version}</version>
+    </dependency>
 
     <dependency>
       <groupId>io.vertx</groupId>

consul-examples/src/main/java/io/vertx/examples/consul/ConsulClientVerticle.java

@@ -3,25 +3,35 @@
 import io.vertx.core.Future;
 import io.vertx.core.VerticleBase;
 import io.vertx.ext.consul.ConsulClient;
+import io.vertx.ext.consul.ConsulClientOptions;
 import io.vertx.launcher.application.VertxApplication;
 
+import org.testcontainers.consul.ConsulContainer;
+
 /**
  * @author <a href="mailto:[email protected]">Ruslan Sennov</a>
  */
 public class ConsulClientVerticle extends VerticleBase {
 
+  private static final ConsulContainer CONSUL_CONTAINER = new ConsulContainer("hashicorp/consul:1.15");
+
   /**
    * Convenience method so you can run it in your IDE
    */
   public static void main(String[] args) {
+    CONSUL_CONTAINER.start();
     VertxApplication.main(new String[]{ConsulClientVerticle.class.getName()});
   }
 
   private ConsulClient consulClient;
 
   @Override
   public Future<?> start() {
-    consulClient = ConsulClient.create(vertx);
+    ConsulClientOptions options = new ConsulClientOptions();
+    options.setHost(CONSUL_CONTAINER.getHost());
+    options.setPort(CONSUL_CONTAINER.getFirstMappedPort());
+    consulClient = ConsulClient.create(vertx, options);
+
     return consulClient.putValue("key11", "value11")
       .compose(v -> {
         System.out.println("KV pair saved");