com.playtika.testcontainer.cassandra.EmbeddedCassandraBootstrapConfiguration Maven / Gradle / Ivy

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package com.playtika.testcontainer.cassandra;

import com.playtika.testcontainer.common.utils.ContainerUtils;
import com.playtika.testcontainer.common.utils.FileUtils;
import com.playtika.testcontainer.toxiproxy.condition.ConditionalOnToxiProxyEnabled;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.boot.autoconfigure.AutoConfigureOrder;
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.springframework.core.io.ResourceLoader;
import org.testcontainers.containers.CassandraContainer;
import org.testcontainers.containers.Network;
import org.testcontainers.containers.ToxiproxyContainer;
import org.testcontainers.containers.delegate.CassandraDatabaseDelegate;
import org.testcontainers.delegate.DatabaseDelegate;
import org.testcontainers.ext.ScriptUtils;

import javax.script.ScriptException;

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

import static com.playtika.testcontainer.cassandra.CassandraProperties.BEAN_NAME_EMBEDDED_CASSANDRA;
import static com.playtika.testcontainer.cassandra.CassandraProperties.DEFAULT_DATACENTER;
import static com.playtika.testcontainer.common.utils.ContainerUtils.configureCommonsAndStart;

@Slf4j
@Configuration
@AutoConfigureOrder
@ConditionalOnExpression("${embedded.containers.enabled:true}")
@ConditionalOnProperty(name = "embedded.cassandra.enabled", matchIfMissing = true)
@EnableConfigurationProperties(CassandraProperties.class)
@RequiredArgsConstructor
public class EmbeddedCassandraBootstrapConfiguration {

    private static final String CASSANDRA_NETWORK_ALIAS = "cassandra.testcontainer.docker";

    private final ResourceLoader resourceLoader;

    @Bean
    @ConditionalOnToxiProxyEnabled(module = "cassandra")
    ToxiproxyContainer.ContainerProxy cassandraContainerProxy(ToxiproxyContainer toxiproxyContainer,
                                                               @Qualifier(BEAN_NAME_EMBEDDED_CASSANDRA) CassandraContainer cassandra,
                                                               CassandraProperties properties,
                                                               ConfigurableEnvironment environment) {
        ToxiproxyContainer.ContainerProxy proxy = toxiproxyContainer.getProxy(cassandra, properties.getPort());

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

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

        return proxy;
    }

    @Bean(name = BEAN_NAME_EMBEDDED_CASSANDRA, destroyMethod = "stop")
    public CassandraContainer cassandra(ConfigurableEnvironment environment,
                                        CassandraProperties properties,
                                        Optional network) throws Exception {

        CassandraContainer cassandra = new CassandraContainer<>(ContainerUtils.getDockerImageName(properties))
                .withExposedPorts(properties.getPort())
                .withNetworkAliases(CASSANDRA_NETWORK_ALIAS);

        network.ifPresent(cassandra::withNetwork);
        cassandra = (CassandraContainer) configureCommonsAndStart(cassandra, properties, log);
        initKeyspace(properties, cassandra);
        Map cassandraEnv = registerCassandraEnvironment(environment, cassandra, properties);
        log.info("Started Cassandra. Connection details: {}", cassandraEnv);
        return cassandra;
    }

    static Map registerCassandraEnvironment(ConfigurableEnvironment environment,
                                                            CassandraContainer cassandra,
                                                            CassandraProperties properties) {
        String host = cassandra.getHost();
        Integer mappedPort = cassandra.getMappedPort(properties.getPort());
        LinkedHashMap cassandraEnv = new LinkedHashMap<>();
        cassandraEnv.put("embedded.cassandra.port", mappedPort);
        cassandraEnv.put("embedded.cassandra.host", host);
        cassandraEnv.put("embedded.cassandra.datacenter", DEFAULT_DATACENTER);
        cassandraEnv.put("embedded.cassandra.keyspace-name", properties.keyspaceName);
        cassandraEnv.put("embedded.cassandra.networkAlias", CASSANDRA_NETWORK_ALIAS);
        cassandraEnv.put("embedded.cassandra.internalPort", properties.getPort());
        MapPropertySource propertySource = new MapPropertySource("embeddedCassandraInfo", cassandraEnv);
        environment.getPropertySources().addFirst(propertySource);
        return cassandraEnv;
    }

    private void initKeyspace(CassandraProperties properties, CassandraContainer cassandra) throws ScriptException {
        String initScriptContent = prepareCassandraInitScript(properties);
        try (DatabaseDelegate databaseDelegate = new CassandraDatabaseDelegate(cassandra)) {
            ScriptUtils.executeDatabaseScript(databaseDelegate, "init.cql", initScriptContent);
        }
    }

    private String prepareCassandraInitScript(CassandraProperties properties) {
        return FileUtils.resolveTemplateAsString(resourceLoader, "cassandra-init.sql", content -> content
                .replace("{{keyspaceName}}", properties.keyspaceName))
                .replace("{{replicationFactor}}", Integer.toString(properties.replicationFactor));
    }
}