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;
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
package de.juplo.kafka.chat.backend;
import lombok.extern.slf4j.Slf4j;
-import org.awaitility.Awaitility;
-import org.junit.jupiter.api.BeforeEach;
-import org.springframework.http.HttpStatus;
-import org.springframework.web.reactive.function.client.WebClient;
import org.testcontainers.containers.*;
import org.testcontainers.containers.output.Slf4jLogConsumer;
import org.testcontainers.containers.wait.strategy.Wait;
import org.testcontainers.utility.DockerImageName;
-import reactor.core.publisher.Mono;
import java.io.IOException;
-import java.time.Duration;
@Slf4j
class KafkaHandoverIT extends AbstractHandoverIT
{
- @BeforeEach
- void setUpWebClient() throws IOException, InterruptedException
+ @Override
+ void setUpExtra() throws IOException, InterruptedException
{
kafka.start();
- haproxy.start();
Container.ExecResult result;
result = kafka.execInContainer(
result.getExitCode(),
result.getStdout(),
result.getStdout());
-
- 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();
-
KafkaContainer kafka =
new KafkaContainer(DockerImageName.parse("confluentinc/cp-kafka:7.4.0"))
.withNetwork(network)
.waitingFor(Wait.forLogMessage(".*Kafka\\ Server\\ started.*\\n", 1))
.withLogConsumer(new Slf4jLogConsumer(log, true).withPrefix("KAFKA"));
- GenericContainer backend1 =
- new GenericContainer(DockerImageName.parse("juplo/chat-backend:0.0.1-SNAPSHOT"))
- .withImagePullPolicy(NEVER_PULL)
- .withNetwork(network)
- .withNetworkAliases("backend-1")
- .withCommand(
- "--chat.backend.instance-id=backend_1",
- "--chat.backend.services=kafka",
- "--chat.backend.kafka.bootstrap-servers=kafka:9999",
- "--chat.backend.kafka.instance-uri=http://backend-1:8080",
- "--chat.backend.kafka.num-partitions=10",
- "--chat.backend.kafka.client-id-prefix=B1",
- "--chat.backend.kafka.haproxy-runtime-api=haproxy:8401",
- "--chat.backend.kafka.haproxy-map=/usr/local/etc/haproxy/sharding.map"
- )
- .withExposedPorts(8080)
- .waitingFor(Wait.forLogMessage(".*Started\\ ChatBackendApplication.*\\n", 1))
- .withLogConsumer(new Slf4jLogConsumer(log, true).withPrefix("BACKEND-1"));
-
- GenericContainer backend2 =
- new GenericContainer(DockerImageName.parse("juplo/chat-backend:0.0.1-SNAPSHOT"))
- .withImagePullPolicy(NEVER_PULL)
- .withNetwork(network)
- .withNetworkAliases("backend-2")
- .withCommand(
- "--chat.backend.instance-id=backend_2",
- "--chat.backend.services=kafka",
- "--chat.backend.kafka.bootstrap-servers=kafka:9999",
- "--chat.backend.kafka.instance-uri=http://backend-2:8080",
- "--chat.backend.kafka.num-partitions=10",
- "--chat.backend.kafka.client-id-prefix=B2",
- "--chat.backend.kafka.haproxy-runtime-api=haproxy:8401",
- "--chat.backend.kafka.haproxy-map=/usr/local/etc/haproxy/sharding.map"
- )
- .withExposedPorts(8080)
- .waitingFor(Wait.forLogMessage(".*Started\\ ChatBackendApplication.*\\n", 1))
- .withLogConsumer(new Slf4jLogConsumer(log, true).withPrefix("BACKEND-2"));
+ @Override
+ String[] getCommandBackend1()
+ {
+ return new String[]
+ {
+ "--chat.backend.instance-id=backend_1",
+ "--chat.backend.services=kafka",
+ "--chat.backend.kafka.bootstrap-servers=kafka:9999",
+ "--chat.backend.kafka.instance-uri=http://backend-1:8080",
+ "--chat.backend.kafka.num-partitions=10",
+ "--chat.backend.kafka.client-id-prefix=B1",
+ "--chat.backend.kafka.haproxy-runtime-api=haproxy:8401",
+ "--chat.backend.kafka.haproxy-map=/usr/local/etc/haproxy/sharding.map"
+ };
+ }
- GenericContainer backend3 =
- new GenericContainer(DockerImageName.parse("juplo/chat-backend:0.0.1-SNAPSHOT"))
- .withImagePullPolicy(NEVER_PULL)
- .withNetwork(network)
- .withNetworkAliases("backend-3")
- .withCommand(
- "--chat.backend.instance-id=backend_3",
- "--chat.backend.services=kafka",
- "--chat.backend.kafka.bootstrap-servers=kafka:9999",
- "--chat.backend.kafka.instance-uri=http://backend-3:8080",
- "--chat.backend.kafka.num-partitions=10",
- "--chat.backend.kafka.client-id-prefix=B3",
- "--chat.backend.kafka.haproxy-runtime-api=haproxy:8401",
- "--chat.backend.kafka.haproxy-map=/usr/local/etc/haproxy/sharding.map"
- )
- .withExposedPorts(8080)
- .waitingFor(Wait.forLogMessage(".*Started\\ ChatBackendApplication.*\\n", 1))
- .withLogConsumer(new Slf4jLogConsumer(log, true).withPrefix("BACKEND-3"));
+ @Override
+ String[] getCommandBackend2()
+ {
+ return new String[]
+ {
+ "--chat.backend.instance-id=backend_2",
+ "--chat.backend.services=kafka",
+ "--chat.backend.kafka.bootstrap-servers=kafka:9999",
+ "--chat.backend.kafka.instance-uri=http://backend-2:8080",
+ "--chat.backend.kafka.num-partitions=10",
+ "--chat.backend.kafka.client-id-prefix=B2",
+ "--chat.backend.kafka.haproxy-runtime-api=haproxy:8401",
+ "--chat.backend.kafka.haproxy-map=/usr/local/etc/haproxy/sharding.map"
+ };
+ }
- 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"));
+ @Override
+ String[] getCommandBackend3()
+ {
+ return new String[]
+ {
+ "--chat.backend.instance-id=backend_3",
+ "--chat.backend.services=kafka",
+ "--chat.backend.kafka.bootstrap-servers=kafka:9999",
+ "--chat.backend.kafka.instance-uri=http://backend-3:8080",
+ "--chat.backend.kafka.num-partitions=10",
+ "--chat.backend.kafka.client-id-prefix=B3",
+ "--chat.backend.kafka.haproxy-runtime-api=haproxy:8401",
+ "--chat.backend.kafka.haproxy-map=/usr/local/etc/haproxy/sharding.map"
+ };
+ }
}