com.playtika.testcontainer.pubsub.EmbeddedPubsubBootstrapConfiguration Maven / Gradle / Ivy

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package com.playtika.testcontainer.pubsub;

import com.playtika.testcontainer.common.spring.DockerPresenceBootstrapConfiguration;
import com.playtika.testcontainer.common.utils.ContainerUtils;
import com.playtika.testcontainer.toxiproxy.condition.ConditionalOnToxiProxyEnabled;
import io.grpc.ManagedChannel;
import io.grpc.ManagedChannelBuilder;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.boot.autoconfigure.AutoConfigureAfter;
import org.springframework.boot.autoconfigure.condition.ConditionalOnExpression;
import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.env.ConfigurableEnvironment;
import org.springframework.core.env.MapPropertySource;
import org.testcontainers.containers.GenericContainer;
import org.testcontainers.containers.Network;
import org.testcontainers.containers.ToxiproxyContainer;
import org.testcontainers.containers.wait.strategy.LogMessageWaitStrategy;

import java.io.IOException;
import java.util.LinkedHashMap;
import java.util.Map;
import java.util.Optional;

import static com.playtika.testcontainer.common.utils.ContainerUtils.configureCommonsAndStart;
import static com.playtika.testcontainer.pubsub.PubsubProperties.BEAN_NAME_EMBEDDED_GOOGLE_PUBSUB;
import static java.lang.String.format;

@Slf4j
@Configuration
@ConditionalOnExpression("${embedded.containers.enabled:true}")
@AutoConfigureAfter(DockerPresenceBootstrapConfiguration.class)
@ConditionalOnProperty(name = "embedded.google.pubsub.enabled", matchIfMissing = true)
@EnableConfigurationProperties({PubsubProperties.class})
public class EmbeddedPubsubBootstrapConfiguration {

    private static final String GOOGLE_PUB_SUB_NETWORK_ALIAS = "googlepubsub.testcontainer.docker";
    public static final String BEAN_NAME_EMBEDDED_GOOGLE_PUBSUB_RESOURCES_GENERATOR = "embeddedGooglePubsubResourcesGenerator";
    public static final String BEAN_NAME_EMBEDDED_GOOGLE_PUBSUB_MANAGED_CHANNEL = "embeddedGooglePubsubManagedChannel";

    @Bean
    @ConditionalOnToxiProxyEnabled(module = "google.pubsub")
    ToxiproxyContainer.ContainerProxy googlePubSubContainerProxy(ToxiproxyContainer toxiproxyContainer,
                                                                 @Qualifier(BEAN_NAME_EMBEDDED_GOOGLE_PUBSUB) GenericContainer pubsub,
                                                                 PubsubProperties properties,
                                                                 ConfigurableEnvironment environment) {
        ToxiproxyContainer.ContainerProxy proxy = toxiproxyContainer.getProxy(pubsub, properties.getPort());

        Map map = new LinkedHashMap<>();
        map.put("embedded.google.pubsub.toxiproxy.host", proxy.getContainerIpAddress());
        map.put("embedded.google.pubsub.toxiproxy.port", proxy.getProxyPort());
        map.put("embedded.google.pubsub.toxiproxy.proxyName", proxy.getName());

        MapPropertySource propertySource = new MapPropertySource("embeddedGooglePubSubToxiproxyInfo", map);
        environment.getPropertySources().addFirst(propertySource);
        log.info("Started Google PubSub ToxiProxy connection details {}", map);

        return proxy;
    }


    @Bean(name = BEAN_NAME_EMBEDDED_GOOGLE_PUBSUB, destroyMethod = "stop")
    public GenericContainer pubsub(ConfigurableEnvironment environment,
                                      PubsubProperties properties,
                                      Optional network) {
        GenericContainer pubsubContainer = new GenericContainer<>(ContainerUtils.getDockerImageName(properties))
                .withExposedPorts(properties.getPort())
                .withCommand(
                        "/bin/sh",
                        "-c",
                        format(
                                "gcloud beta emulators pubsub start --project %s --host-port=%s:%d",
                                properties.getProjectId(),
                                properties.getHost(),
                                properties.getPort()
                        )
                ).waitingFor(new LogMessageWaitStrategy().withRegEx("(?s).*started.*$"))
                .withNetworkAliases(GOOGLE_PUB_SUB_NETWORK_ALIAS);

        network.ifPresent(pubsubContainer::withNetwork);

        pubsubContainer = configureCommonsAndStart(pubsubContainer, properties, log);
        registerPubsubEnvironment(pubsubContainer, environment, properties);
        return pubsubContainer;
    }

    private void registerPubsubEnvironment(GenericContainer container,
                                           ConfigurableEnvironment environment,
                                           PubsubProperties properties) {
        LinkedHashMap map = new LinkedHashMap<>();
        map.put("embedded.google.pubsub.port", container.getMappedPort(properties.getPort()));
        map.put("embedded.google.pubsub.host", container.getHost());
        map.put("embedded.google.pubsub.project-id", properties.getProjectId());
        map.put("embedded.google.pubsub.networkAlias", GOOGLE_PUB_SUB_NETWORK_ALIAS);
        map.put("embedded.google.pubsub.internalPort", properties.getPort());

        log.info("Started Google Cloud Pubsub emulator. Connection details: {}, ", map);
        log.info("Consult with the doc https://cloud.google.com/pubsub/docs/emulator for more details");

        MapPropertySource propertySource = new MapPropertySource("embeddedGooglePubsubInfo", map);
        environment.getPropertySources().addFirst(propertySource);
    }

    @Bean(name = BEAN_NAME_EMBEDDED_GOOGLE_PUBSUB_MANAGED_CHANNEL)
    public ManagedChannel managedChannel(@Qualifier(BEAN_NAME_EMBEDDED_GOOGLE_PUBSUB) GenericContainer pubsub, PubsubProperties properties) {
        return ManagedChannelBuilder
                .forAddress(pubsub.getHost(), pubsub.getMappedPort(properties.getPort())).usePlaintext()
                .build();
    }

    @Bean(name = BEAN_NAME_EMBEDDED_GOOGLE_PUBSUB_RESOURCES_GENERATOR)
    public PubSubResourcesGenerator pubSubResourcesGenerator(@Qualifier(BEAN_NAME_EMBEDDED_GOOGLE_PUBSUB_MANAGED_CHANNEL) ManagedChannel managedChannel,
                                                             PubsubProperties properties) throws IOException {
        return new PubSubResourcesGenerator(managedChannel, properties.getProjectId(), properties.getTopicsAndSubscriptions());
    }
}