Unlock 30% off on Manual Testing Annual Plans this Holiday Season.

Copied to Clipboard!

How to use followLogs method of org.testcontainers.containers.DockerComposeContainer class

Best Testcontainers-java code snippet using org.testcontainers.containers.DockerComposeContainer.followLogs

Source:DockerComposeContainer.java

...192        final ComposeServiceWaitStrategyTarget containerInstance = new ComposeServiceWaitStrategyTarget(container,193            ambassadorContainer, ambassadorPortMappings.getOrDefault(serviceName, new HashMap<>()));194        String containerId = containerInstance.getContainerId();195        if (tailChildContainers) {196            followLogs(containerId, new Slf4jLogConsumer(log).withPrefix(container.getNames()[0]));197        }198        //follow logs using registered consumers for this service199        logConsumers.getOrDefault(serviceName, Collections.emptyList()).forEach(consumer -> followLogs(containerId, consumer));200        serviceInstanceMap.putIfAbsent(serviceName, containerInstance);201    }202    private void waitUntilServiceStarted(String serviceName, ComposeServiceWaitStrategyTarget serviceInstance) {203        final WaitAllStrategy waitAllStrategy = waitStrategyMap.get(serviceName);204        if(waitAllStrategy != null) {205            waitAllStrategy.waitUntilReady(serviceInstance);206        }207    }208    private String getServiceNameFromContainer(Container container) {209        final String containerName = container.getLabels().get("com.docker.compose.service");210        final String containerNumber = container.getLabels().get("com.docker.compose.container-number");211        return String.format("%s_%s", containerName, containerNumber);212    }213    private void runWithCompose(String cmd) {214        checkNotNull(composeFiles);215        checkArgument(!composeFiles.isEmpty(), "No docker compose file have been provided");216        final DockerCompose dockerCompose;217        if (localCompose) {218            dockerCompose = new LocalDockerCompose(composeFiles, project);219        } else {220            dockerCompose = new ContainerisedDockerCompose(composeFiles, project);221        }222        dockerCompose223                .withCommand(cmd)224                .withEnv(env)225                .invoke();226    }227    private void registerContainersForShutdown() {228        ResourceReaper.instance().registerFilterForCleanup(Arrays.asList(229                new SimpleEntry<>("label", "com.docker.compose.project=" + project)230        ));231    }232    private List<Container> listChildContainers() {233        return dockerClient.listContainersCmd()234                .withShowAll(true)235                .exec().stream()236                .filter(container -> Arrays.stream(container.getNames()).anyMatch(name ->237                        name.startsWith("/" + project)))238                .collect(toList());239    }240    private void startAmbassadorContainers() {241        if (!ambassadorPortMappings.isEmpty()) {242            ambassadorContainer.start();243        }244    }245    @Override246    public void stop() {247        synchronized (MUTEX) {248            try {249                // shut down the ambassador container250                ambassadorContainer.stop();251                // Kill the services using docker-compose252                String cmd = "down -v";253                if (removeImages != null) {254                    cmd += " --rmi " + removeImages.dockerRemoveImagesType();255                }256                runWithCompose(cmd);257            } finally {258                project = randomProjectId();259            }260        }261    }262    public SELF withExposedService(String serviceName, int servicePort) {263        return withExposedService(serviceName, servicePort, Wait.defaultWaitStrategy());264    }265    public DockerComposeContainer withExposedService(String serviceName, int instance, int servicePort) {266        return withExposedService(serviceName + "_" + instance, servicePort);267    }268    public DockerComposeContainer withExposedService(String serviceName, int instance, int servicePort, WaitStrategy waitStrategy) {269        return withExposedService(serviceName + "_" + instance, servicePort, waitStrategy);270    }271    public SELF withExposedService(String serviceName, int servicePort, @NonNull WaitStrategy waitStrategy) {272        String serviceInstanceName = getServiceInstanceName(serviceName);273        /*274         * For every service/port pair that needs to be exposed, we register a target on an 'ambassador container'.275         *276         * The ambassador container's role is to link (within the Docker network) to one of the277         * compose services, and proxy TCP network I/O out to a port that the ambassador container278         * exposes.279         *280         * This avoids the need for the docker compose file to explicitly expose ports on all the281         * services.282         *283         * {@link GenericContainer} should ensure that the ambassador container is on the same network284         * as the rest of the compose environment.285         */286        // Ambassador container will be started together after docker compose has started287        int ambassadorPort = nextAmbassadorPort.getAndIncrement();288        ambassadorPortMappings.computeIfAbsent(serviceInstanceName, __ -> new ConcurrentHashMap<>()).put(servicePort, ambassadorPort);289        ambassadorContainer.withTarget(ambassadorPort, serviceInstanceName, servicePort);290        ambassadorContainer.addLink(new FutureContainer(this.project + "_" + serviceInstanceName), serviceInstanceName);291        addWaitStrategy(serviceInstanceName, waitStrategy);292        return self();293    }294    private String getServiceInstanceName(String serviceName) {295        String serviceInstanceName = serviceName;296        if (!serviceInstanceName.matches(".*_[0-9]+")) {297            serviceInstanceName += "_1"; // implicit first instance of this service298        }299        return serviceInstanceName;300    }301    /*302     * can have multiple wait strategies for a single container, e.g. if waiting on several ports303     * if no wait strategy is defined, the WaitAllStrategy will return immediately.304     * The WaitAllStrategy uses an long timeout, because timeouts should be handled by the inner strategies.305     */306    private void addWaitStrategy(String serviceInstanceName, @NonNull WaitStrategy waitStrategy) {307        final WaitAllStrategy waitAllStrategy = waitStrategyMap.computeIfAbsent(serviceInstanceName, __ ->308            new WaitAllStrategy(WaitAllStrategy.Mode.WITH_MAXIMUM_OUTER_TIMEOUT).withStartupTimeout(Duration.ofMinutes(30)));309        waitAllStrategy.withStrategy(waitStrategy);310    }311    /**312     Specify the {@link WaitStrategy} to use to determine if the container is ready.313     *314     * @see org.testcontainers.containers.wait.strategy.Wait#defaultWaitStrategy()315     * @param serviceName the name of the service to wait for316     * @param waitStrategy the WaitStrategy to use317     * @return this318     */319    public SELF waitingFor(String serviceName, @NonNull WaitStrategy waitStrategy) {320        String serviceInstanceName = getServiceInstanceName(serviceName);321        addWaitStrategy(serviceInstanceName, waitStrategy);322        return self();323    }324    /**325     * Get the host (e.g. IP address or hostname) that an exposed service can be found at, from the host machine326     * (i.e. should be the machine that's running this Java process).327     * <p>328     * The service must have been declared using DockerComposeContainer#withExposedService.329     *330     * @param serviceName the name of the service as set in the docker-compose.yml file.331     * @param servicePort the port exposed by the service container.332     * @return a host IP address or hostname that can be used for accessing the service container.333     */334    public String getServiceHost(String serviceName, Integer servicePort) {335        return ambassadorContainer.getContainerIpAddress();336    }337    /**338     * Get the port that an exposed service can be found at, from the host machine339     * (i.e. should be the machine that's running this Java process).340     * <p>341     * The service must have been declared using DockerComposeContainer#withExposedService.342     *343     * @param serviceName the name of the service as set in the docker-compose.yml file.344     * @param servicePort the port exposed by the service container.345     * @return a port that can be used for accessing the service container.346     */347    public Integer getServicePort(String serviceName, Integer servicePort) {348        Map<Integer, Integer> portMap = ambassadorPortMappings.get(getServiceInstanceName(serviceName));349        if (portMap == null) {350            throw new IllegalArgumentException("Could not get a port for '" + serviceName + "'. " +351                "Testcontainers does not have an exposed port configured for '" + serviceName + "'. "+352                "To fix, please ensure that the service '" + serviceName + "' has ports exposed using .withExposedService(...)");353        } else {354            return ambassadorContainer.getMappedPort(portMap.get(servicePort));355        }356    }357    public SELF withScaledService(String serviceBaseName, int numInstances) {358        scalingPreferences.put(serviceBaseName, numInstances);359        return self();360    }361    public SELF withEnv(String key, String value) {362        env.put(key, value);363        return self();364    }365    public SELF withEnv(Map<String, String> env) {366        env.forEach(this.env::put);367        return self();368    }369    /**370     * Use a local Docker Compose binary instead of a container.371     *372     * @return this instance, for chaining373     */374    public SELF withLocalCompose(boolean localCompose) {375        this.localCompose = localCompose;376        return self();377    }378    /**379     * Whether to pull images first.380     *381     * @return this instance, for chaining382     */383    public SELF withPull(boolean pull) {384        this.pull = pull;385        return self();386    }387    /**388     * Whether to tail child container logs.389     *390     * @return this instance, for chaining391     */392    public SELF withTailChildContainers(boolean tailChildContainers) {393        this.tailChildContainers = tailChildContainers;394        return self();395    }396    /**397     * Attach an output consumer at container startup, enabling stdout and stderr to be followed, waited on, etc.398     * <p>399     * More than one consumer may be registered.400     *401     * @param serviceName the name of the service as set in the docker-compose.yml file402     * @param consumer consumer that output frames should be sent to403     * @return this instance, for chaining404     */405    public SELF withLogConsumer(String serviceName, Consumer<OutputFrame> consumer) {406        String serviceInstanceName = getServiceInstanceName(serviceName);407        final List<Consumer<OutputFrame>> consumers = this.logConsumers.getOrDefault(serviceInstanceName, new ArrayList<>());408        consumers.add(consumer);409        this.logConsumers.putIfAbsent(serviceInstanceName, consumers);410        return self();411    }412    /**413     * Whether to always build images before starting containers.414     *415     * @return this instance, for chaining416     */417    public SELF withBuild(boolean build) {418        this.build = build;419        return self();420    }421    /**422     * Remove images after containers shutdown.423     *424     * @return this instance, for chaining425     */426    public SELF withRemoveImages(RemoveImages removeImages) {427        this.removeImages = removeImages;428        return self();429    }430    public Optional<ContainerState> getContainerByServiceName(String serviceName) {431        return Optional.ofNullable(serviceInstanceMap.get(serviceName));432    }433    private void followLogs(String containerId, Consumer<OutputFrame> consumer) {434        LogUtils.followOutput(DockerClientFactory.instance().client(), containerId, consumer);435    }436    private SELF self() {437        return (SELF) this;438    }439    private String randomProjectId() {440        return identifier + Base58.randomString(6).toLowerCase();441    }442    public enum RemoveImages {443        /**444         * Remove all images used by any service.445         */446        ALL("all"),447        /**...

followLogs

Using AI Code Generation

1import org.testcontainers.containers.DockerComposeContainer2import org.testcontainers.containers.output.Slf4jLogConsumer3import org.testcontainers.containers.output.ToStringConsumer4def compose = new DockerComposeContainer(new File("docker-compose.yml"))5    .withLocalCompose(true)6    .withExposedService("db", 5432)7    .withExposedService("app", 8080)8    .withLogConsumer("app", new Slf4jLogConsumer(log))9    .withLogConsumer("db", new ToStringConsumer())10compose.start()11compose.followLogs("app")12compose.stop()13[INFO] --- maven-failsafe-plugin:3.0.0-M4:integration-test (default) @ testcontainers ---

followLogs

Using AI Code Generation

1DockerComposeContainer container = new DockerComposeContainer(new File("docker-compose.yml"))2    .withLocalCompose(true)3    .withExposedService("app_1", 8080);4container.start();5container.followOutput(new Slf4jLogConsumer(logger));6container.followLogs("app_1", new Slf4jLogConsumer(logger));7container.followLogs("app_1", new Slf4jLogConsumer(logger).withSeparateOutputStreams());8container.followLogs("app_1", new Slf4jLogConsumer(logger).withPrefix("app_1"));9container.followLogs("app_1", new Slf4jLogConsumer(logger).withTimestamps());10container.followLogs("app_1", new Slf4jLogConsumer(logger).withStdErrSeparatePrefix("app_1_err"));11container.followLogs("app_1", new Slf4jLogConsumer(logger).withStdOutSeparatePrefix("app_1_out"));12container.followLogs("app_1", new Slf4jLogConsumer(logger).withStdErrConsumer(new Slf4jLogConsumer(logger).withPrefix("app_1_err")));13container.followLogs("app_1", new Slf4jLogConsumer(logger).withStdOutConsumer(new Slf4jLogConsumer(logger).withPrefix("app_1_out")));14container.followLogs("app_1", new Slf4jLogConsumer(logger).withStdErrConsumer(new Slf4jLogConsumer(logger).withPrefix("app_1_err")).withStdOutConsumer(new Slf4jLogConsumer(logger).withPrefix("app_1_out")));15container.followLogs("app_1", new Slf4jLogConsumer(logger).withStdErrConsumer(new Slf4jLogConsumer(logger).withPrefix("app_1_err")).withStdOutConsumer(new Slf4jLogConsumer(logger).withPrefix("app_1_out")));16container.followLogs("app_1", new Slf4jLogConsumer(logger).withStdErrConsumer(new Slf4jLogConsumer(logger).withPrefix("app_1_err")).withStdOutConsumer(new Slf4jLogConsumer(logger).withPrefix("app_1_out")));17container.followLogs("app_1", new Slf4jLogConsumer(logger).withStdErrConsumer(new Slf4jLogConsumer(logger).withPrefix("app_1_err")).withStdOutConsumer(new Slf4jLogConsumer

followLogs

Using AI Code Generation

1import org.testcontainers.containers.DockerComposeContainer2import org.testcontainers.containers.wait.strategy.Wait3import org.testcontainers.containers.wait.strategy.WaitAllStrategy4import org.testcontainers.containers.wait.strategy.WaitStrategy5def composeFile = new File("docker-compose.yml")6def compose = new DockerComposeContainer(composeFile)7compose.start()8compose.followLogs(new File("logs/compose.log"))9compose.stop()10compose = new DockerComposeContainer(composeFile)11compose.withExposedService("web", 8080, Wait.forHttp("/"))12compose.withExposedService("db", 5432, Wait.forListeningPort())13compose.withExposedService("adminer", 8081, Wait.forHttp("/"))14compose.start()15compose.followLogs(new File("logs/compose.log"))16compose.stop()17compose = new DockerComposeContainer(composeFile)18compose.withExposedService("web", 8080, Wait.forHttp("/"))19compose.withExposedService("db", 5432, Wait.forListeningPort())20compose.withExposedService("adminer", 8081, Wait.forHttp("/"))21compose.start()22compose.followLogs(new File("logs/compose.log"))

followLogs

Using AI Code Generation

1DockerComposeContainer dockerComposeContainer = new DockerComposeContainer(new File("docker-compose.yml"));2dockerComposeContainer.followOutput(new Slf4jLogConsumer(log));3dockerComposeContainer.start();4DockerComposeContainer dockerComposeContainer = new DockerComposeContainer(new File("docker-compose.yml"));5dockerComposeContainer.followOutput(new Slf4jLogConsumer(log));6dockerComposeContainer.start();7DockerComposeContainer dockerComposeContainer = new DockerComposeContainer(new File("docker-compose.yml"));8dockerComposeContainer.followOutput(new Slf4jLogConsumer(log));9dockerComposeContainer.start();10DockerComposeContainer dockerComposeContainer = new DockerComposeContainer(new File("docker-compose.yml"));11dockerComposeContainer.followOutput(new Slf4jLogConsumer(log));12dockerComposeContainer.start();13DockerComposeContainer dockerComposeContainer = new DockerComposeContainer(new File("docker-compose.yml"));14dockerComposeContainer.followOutput(new Sl

followLogs

Using AI Code Generation

1import org.testcontainers.containers.DockerComposeContainer2import org.testcontainers.containers.output.OutputFrame3import org.testcontainers.containers.output.ToStringConsumer4import org.testcontainers.containers.output.WaitingConsumer5import org.testcontainers.containers.wait.strategy.Wait6import org.testcontainers.containers.wait.strategy.WaitAllStrategy7import org.testcontainers.containers.wait.strategy.WaitStrategy8import org.testcontainers.utility.MountableFile9import java.io.File10import java.time.Duration11File.createTempFile("docker-compose", ".yml").apply {12    writeText("""13            command: /bin/sh -c "while true; do echo 'service1'; sleep 1; done"14            command: /bin/sh -c "while true; do echo 'service2'; sleep 1; done"15    """.trimIndent())16}17File.createTempFile("docker-compose", ".yml").apply {18    writeText("""19            command: /bin/sh -c "while true; do echo 'service1'; sleep 1; done"20            command: /bin/sh -c "while true; do echo 'service2'; sleep 1; done"

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.