test: HandoverIT-POC - Splitted up code into smaller classes -- MOVE

[demos/kafka/chat] / src / test / java / de / juplo / kafka / chat / backend / AbstractHandoverIT.java

diff --git a/src/test/java/de/juplo/kafka/chat/backend/AbstractHandoverIT.java b/src/test/java/de/juplo/kafka/chat/backend/AbstractHandoverIT.java
index fc54c03..f384f7e 100644 (file)
--- a/src/test/java/de/juplo/kafka/chat/backend/AbstractHandoverIT.java
+++ b/src/test/java/de/juplo/kafka/chat/backend/AbstractHandoverIT.java
@@ -7,18 +7,27 @@ import lombok.Getter;
 import lombok.Setter;
 import lombok.ToString;
 import lombok.extern.slf4j.Slf4j;
+import org.awaitility.Awaitility;
+import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
 import org.springframework.core.ParameterizedTypeReference;
 import org.springframework.http.HttpStatus;
 import org.springframework.http.MediaType;
 import org.springframework.http.codec.ServerSentEvent;
 import org.springframework.web.reactive.function.client.WebClient;
+import org.testcontainers.containers.BindMode;
+import org.testcontainers.containers.GenericContainer;
+import org.testcontainers.containers.Network;
+import org.testcontainers.containers.output.Slf4jLogConsumer;
+import org.testcontainers.containers.wait.strategy.Wait;
 import org.testcontainers.images.ImagePullPolicy;
 import org.testcontainers.junit.jupiter.Testcontainers;
+import org.testcontainers.utility.DockerImageName;
 import reactor.core.publisher.Flux;
 import reactor.core.publisher.Mono;
 import reactor.util.retry.Retry;
 
+import java.io.IOException;
 import java.time.Duration;
 import java.util.stream.IntStream;
 
@@ -117,6 +126,124 @@ public abstract class AbstractHandoverIT
   WebClient webClient;
 
 
+  abstract void setUpExtra() throws IOException, InterruptedException;
+
+  @BeforeEach
+  void setUp() throws Exception
+  {
+    setUpExtra();
+    haproxy.start();
+    backend1.start();
+    // backend2.start();
+    // backend3.start();
+
+    Integer port = haproxy.getMappedPort(8400);
+    webClient = WebClient.create("http://localhost:" + port);
+
+    Awaitility
+        .await()
+        .atMost(Duration.ofMinutes(10))
+        .until(() -> WebClient
+            .create("http://localhost:" + backend1.getMappedPort(8080))
+            .get()
+            .uri("/actuator/health")
+            .exchangeToMono(response ->
+            {
+              if (response.statusCode().equals(HttpStatus.OK))
+              {
+                return response
+                    .bodyToMono(StatusTo.class)
+                    .map(StatusTo::getStatus)
+                    .map(status -> status.equalsIgnoreCase("UP"));
+              }
+              else
+              {
+                return Mono.just(false);
+              }
+            })
+            .block());
+
+    haproxy
+        .getDockerClient()
+        .killContainerCmd(haproxy.getContainerId())
+        .withSignal("HUP")
+        .exec();
+
+
+    Awaitility
+        .await()
+        .atMost(Duration.ofMinutes(10))
+        .until(() -> webClient
+            .get()
+            .uri("/actuator/health")
+            .exchangeToMono(response ->
+            {
+              if (response.statusCode().equals(HttpStatus.OK))
+              {
+                return response
+                    .bodyToMono(StatusTo.class)
+                    .map(StatusTo::getStatus)
+                    .map(status -> status.equalsIgnoreCase("UP"));
+              }
+              else
+              {
+                return Mono.just(false);
+              }
+            })
+            .block());
+  }
+
+  Network network = Network.newNetwork();
+
+  GenericContainer haproxy =
+      new GenericContainer(DockerImageName.parse("haproxytech/haproxy-debian:2.8"))
+          .withNetwork(network)
+          .withNetworkAliases("haproxy")
+          .withClasspathResourceMapping(
+              "haproxy.cfg",
+              "/usr/local/etc/haproxy/haproxy.cfg",
+              BindMode.READ_ONLY)
+          .withClasspathResourceMapping(
+              "sharding.map",
+              "/usr/local/etc/haproxy/sharding.map",
+              BindMode.READ_WRITE)
+          .withExposedPorts(8400, 8401, 8404)
+          .withLogConsumer(new Slf4jLogConsumer(log, true).withPrefix("HAPROXY"));
+
+  abstract String[] getCommandBackend1();
+  GenericContainer backend1 =
+      new GenericContainer(DockerImageName.parse("juplo/chat-backend:0.0.1-SNAPSHOT"))
+          .withImagePullPolicy(NEVER_PULL)
+          .withNetwork(network)
+          .withNetworkAliases("backend-1")
+          .withCommand(getCommandBackend1())
+          .withExposedPorts(8080)
+          .waitingFor(Wait.forLogMessage(".*Started\\ ChatBackendApplication.*\\n", 1))
+          .withLogConsumer(new Slf4jLogConsumer(log, true).withPrefix("BACKEND-1"));
+
+  abstract String[] getCommandBackend2();
+  GenericContainer backend2 =
+      new GenericContainer(DockerImageName.parse("juplo/chat-backend:0.0.1-SNAPSHOT"))
+          .withImagePullPolicy(NEVER_PULL)
+          .withNetwork(network)
+          .withNetworkAliases("backend-2")
+          .withCommand(getCommandBackend2())
+          .withExposedPorts(8080)
+          .waitingFor(Wait.forLogMessage(".*Started\\ ChatBackendApplication.*\\n", 1))
+          .withLogConsumer(new Slf4jLogConsumer(log, true).withPrefix("BACKEND-2"));
+
+  abstract String[] getCommandBackend3();
+  GenericContainer backend3 =
+      new GenericContainer(DockerImageName.parse("juplo/chat-backend:0.0.1-SNAPSHOT"))
+          .withImagePullPolicy(NEVER_PULL)
+          .withNetwork(network)
+          .withNetworkAliases("backend-3")
+          .withCommand(getCommandBackend3())
+          .withExposedPorts(8080)
+          .waitingFor(Wait.forLogMessage(".*Started\\ ChatBackendApplication.*\\n", 1))
+          .withLogConsumer(new Slf4jLogConsumer(log, true).withPrefix("BACKEND-3"));
+
+
   @EqualsAndHashCode
   @ToString
   class User