package de.juplo.kafka.chat.backend;
-import de.juplo.kafka.chat.backend.api.ChatRoomInfoTo;
-import de.juplo.kafka.chat.backend.api.MessageTo;
-import lombok.EqualsAndHashCode;
-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.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;
+import java.util.Arrays;
-@Testcontainers
@Slf4j
-public abstract class AbstractHandoverIT
+public abstract class AbstractHandoverITContainers
{
static final ImagePullPolicy NEVER_PULL = imageName -> false;
- @Test
- void test() throws InterruptedException
+ final Network network = Network.newNetwork();
+ final GenericContainer haproxy, backend1, backend2, backend3;
+
+
+ AbstractHandoverITContainers()
{
- ChatRoomInfoTo chatRoom = createChatRoom("bar").block();
- User user = new User("nerd");
- IntStream
- .rangeClosed(1,100)
- .mapToObj(i ->sendMessage(chatRoom, user, "Message #" + i))
- .map(result -> result
- .map(MessageTo::toString)
- .retryWhen(Retry.fixedDelay(10, Duration.ofSeconds(1)))
- .block())
- .forEach(result -> log.info("{}", result));
-
- receiveMessages(chatRoom)
- .take(100)
- .doOnNext(message -> log.info("message: {}", message))
- .then()
- .block();
+ haproxy = createHaproxyContainer();
+ backend1 = createBackendContainer("1");
+ backend2 = createBackendContainer("2");
+ backend3 = createBackendContainer("3");
}
- abstract void setUpExtra() throws IOException, InterruptedException;
+ void setUpExtra() throws Exception
+ {
+ log.info("This setup does not need any extra containers");
+ }
- @BeforeEach
void setUp() throws Exception
{
setUpExtra();
haproxy.start();
- backend1.start();
- // backend2.start();
- // backend3.start();
+ }
+
+ void startBackend(
+ GenericContainer backend,
+ TestWriter[] testWriters)
+ {
+ backend.start();
+
+ int[] numSentMessages = Arrays
+ .stream(testWriters)
+ .mapToInt(testWriter -> testWriter.getNumSentMessages())
+ .toArray();
Awaitility
.await()
- .atMost(Duration.ofMinutes(10))
+ .atMost(Duration.ofSeconds(30))
.until(() -> WebClient
- .create("http://localhost:" + backend1.getMappedPort(8080))
+ .create("http://localhost:" + backend.getMappedPort(8080))
.get()
.uri("/actuator/health")
.exchangeToMono(response ->
.withSignal("HUP")
.exec();
-
Awaitility
.await()
- .atMost(Duration.ofMinutes(10))
+ .atMost(Duration.ofSeconds(30))
.until(() -> WebClient
.create("http://localhost:" + haproxy.getMappedPort(8400))
.get()
}
})
.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
- {
- @Getter
- private final String name;
- private int serial = 0;
+ Awaitility
+ .await()
+ .atMost(Duration.ofSeconds(30))
+ .until(() ->
+ {
+ for (int i = 0; i < testWriters.length; i++)
+ {
+ TestWriter testWriter = testWriters[i];
+ int sentTotal = testWriter.getNumSentMessages();
+ if (sentTotal == numSentMessages[i])
+ {
+ log.info(
+ "No progress for {}: sent-before={}, sent-total={}",
+ testWriter,
+ numSentMessages[i],
+ sentTotal);
+ return false;
+ }
+ }
+
+ return true;
+ });
+ }
- User (String name)
- {
- this.name = name;
- }
-
+ abstract String[] getBackendCommand();
- int nextSerial()
- {
- return ++serial;
- }
+ final GenericContainer createHaproxyContainer()
+ {
+ return 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"));
}
- @Getter
- @Setter
- static class StatusTo
+ final GenericContainer createBackendContainer(String id)
{
- String status;
+ return new GenericContainer(DockerImageName.parse("juplo/chat-backend:0.0.1-SNAPSHOT"))
+ .withImagePullPolicy(NEVER_PULL)
+ .withNetwork(network)
+ .withNetworkAliases("backend-ID".replaceAll("ID", id))
+ .withCommand(Arrays.stream(getBackendCommand())
+ .map(commandPart -> commandPart.replaceAll("ID", id))
+ .toArray(size -> new String[size]))
+ .withExposedPorts(8080)
+ .waitingFor(Wait.forLogMessage(".*Started\\ ChatBackendApplication.*\\n", 1))
+ .withLogConsumer(new Slf4jLogConsumer(
+ log,
+ true
+ )
+ .withPrefix("BACKEND-ID".replaceAll("ID", id)));
}
}