Examples with AgentBootstrapperBackwardCompatibility com.thoughtworks.go.agent.common.AgentBootstrapperBackwardCompatibility used on opensource projects

Example 1 with AgentBootstrapperBackwardCompatibility

use of com.thoughtworks.go.agent.common.AgentBootstrapperBackwardCompatibility in project gocd by gocd.

the class AgentLauncherImpl method doLaunch.

private Integer doLaunch(AgentLaunchDescriptor descriptor) {
    Thread shutdownHook = null;
    try {
        int returnValue;
        if (!lockFile.tryLock()) {
            return IRRECOVERABLE_ERROR;
        }
        shutdownHook = registerShutdownHook();
        Map context = descriptor.context();
        AgentBootstrapperBackwardCompatibility backwardCompatibility = backwardCompatibility(context);
        ServerUrlGenerator urlGenerator = backwardCompatibility.getUrlGenerator();
        File rootCertFile = backwardCompatibility.rootCertFile();
        SslVerificationMode sslVerificationMode = backwardCompatibility.sslVerificationMode();
        ServerBinaryDownloader launcherDownloader = new ServerBinaryDownloader(urlGenerator, rootCertFile, sslVerificationMode);
        if (launcherDownloader.downloadIfNecessary(DownloadableFile.LAUNCHER)) {
            return LAUNCHER_NOT_UP_TO_DATE;
        }
        ServerBinaryDownloader agentDownloader = new ServerBinaryDownloader(urlGenerator, rootCertFile, sslVerificationMode);
        agentDownloader.downloadIfNecessary(DownloadableFile.AGENT);
        returnValue = agentProcessParentRunner.run(getLauncherVersion(), launcherDownloader.getMd5(), urlGenerator, System.getenv(), context);
        try {
            // Sleep a bit so that if there are problems we don't spin
            Thread.sleep(1000);
        } catch (InterruptedException e) {
            return returnValue;
        }
        return returnValue;
    } catch (Exception e) {
        LOG.error("Launch encountered an unknown exception", e);
        return UNKNOWN_EXCEPTION_OCCURRED;
    } finally {
        removeShutDownHook(shutdownHook);
        lockFile.delete();
    }
}

Example 2 with AgentBootstrapperBackwardCompatibility

use of com.thoughtworks.go.agent.common.AgentBootstrapperBackwardCompatibility in project gocd by gocd.

the class AgentProcessParentImpl method agentInvocationCommand.

private String[] agentInvocationCommand(String agentMD5, String launcherMd5, String agentPluginsZipMd5, String tfsImplMd5, Map<String, String> env, Map context, // the port is kept for backward compatibility to ensure that old bootstrappers are able to launch new agents
@Deprecated String sslPort) {
    AgentBootstrapperBackwardCompatibility backwardCompatibility = backwardCompatibility(context);
    String startupArgsString = env.get(AGENT_STARTUP_ARGS);
    List<String> commandSnippets = new ArrayList<>();
    commandSnippets.add(javaCmd());
    if (!isEmpty(startupArgsString)) {
        String[] startupArgs = startupArgsString.split(" ");
        for (String startupArg : startupArgs) {
            String decodedStartupArg = startupArg.trim().replace("%20", " ");
            if (!isEmpty(decodedStartupArg)) {
                commandSnippets.add(decodedStartupArg);
            }
        }
    }
    commandSnippets.add(property(GoConstants.AGENT_PLUGINS_MD5, agentPluginsZipMd5));
    commandSnippets.add(property(GoConstants.AGENT_JAR_MD5, agentMD5));
    commandSnippets.add(property(GoConstants.GIVEN_AGENT_LAUNCHER_JAR_MD5, launcherMd5));
    commandSnippets.add(property(GoConstants.TFS_IMPL_MD5, tfsImplMd5));
    commandSnippets.add("-jar");
    commandSnippets.add(Downloader.AGENT_BINARY);
    commandSnippets.add("-serverUrl");
    commandSnippets.add(backwardCompatibility.sslServerUrl(sslPort));
    if (backwardCompatibility.sslVerificationMode() != null) {
        commandSnippets.add("-sslVerificationMode");
        commandSnippets.add(backwardCompatibility.sslVerificationMode().toString());
    }
    if (backwardCompatibility.rootCertFileAsString() != null) {
        commandSnippets.add("-rootCertFile");
        commandSnippets.add(backwardCompatibility.rootCertFileAsString());
    }
    return commandSnippets.toArray(new String[] {});
}

Example 3 with AgentBootstrapperBackwardCompatibility

use of com.thoughtworks.go.agent.common.AgentBootstrapperBackwardCompatibility in project gocd by gocd.

the class AgentLauncherImpl method launch.

public int launch(AgentLaunchDescriptor descriptor) {
    Thread shutdownHook = null;
    try {
        LoggingHelper.configureLoggerIfNoneExists("go-agent-launcher.log", "go-agent-launcher-log4j.properties");
        int returnValue;
        if (!lockFile.tryLock()) {
            return IRRECOVERABLE_ERROR;
        }
        shutdownHook = registerShutdownHook();
        Map context = descriptor.context();
        AgentBootstrapperBackwardCompatibility backwardCompatibility = backwardCompatibility(context);
        ServerUrlGenerator urlGenerator = backwardCompatibility.getUrlGenerator();
        File rootCertFile = backwardCompatibility.rootCertFile();
        SslVerificationMode sslVerificationMode = backwardCompatibility.sslVerificationMode();
        ServerBinaryDownloader launcherDownloader = new ServerBinaryDownloader(urlGenerator, rootCertFile, sslVerificationMode);
        if (launcherDownloader.downloadIfNecessary(DownloadableFile.LAUNCHER)) {
            return LAUNCHER_NOT_UP_TO_DATE;
        }
        ServerBinaryDownloader agentDownloader = new ServerBinaryDownloader(urlGenerator, rootCertFile, sslVerificationMode);
        agentDownloader.downloadIfNecessary(DownloadableFile.AGENT);
        returnValue = agentProcessParentRunner.run(getLauncherVersion(), launcherDownloader.getMd5(), urlGenerator, System.getenv(), context);
        try {
            // Sleep a bit so that if there are problems we don't spin
            Thread.sleep(1000);
        } catch (InterruptedException e) {
            return returnValue;
        }
        return returnValue;
    } catch (Exception e) {
        LOG.error("Launch encountered an unknown exception", e);
        return UNKNOWN_EXCEPTION_OCCURRED;
    } finally {
        removeShutDownHook(shutdownHook);
        lockFile.delete();
    }
}

Example 4 with AgentBootstrapperBackwardCompatibility

use of com.thoughtworks.go.agent.common.AgentBootstrapperBackwardCompatibility in project gocd by gocd.

the class AgentProcessParentImpl method run.

public int run(String launcherVersion, String launcherMd5, ServerUrlGenerator urlGenerator, Map<String, String> env, Map context) {
    int exitValue = 0;
    LOG.info("Agent is version: {}", CurrentGoCDVersion.getInstance().fullVersion());
    String[] command = new String[] {};
    try {
        AgentBootstrapperBackwardCompatibility backwardCompatibility = backwardCompatibility(context);
        File rootCertFile = backwardCompatibility.rootCertFile();
        SslVerificationMode sslVerificationMode = backwardCompatibility.sslVerificationMode();
        ServerBinaryDownloader agentDownloader = new ServerBinaryDownloader(urlGenerator, rootCertFile, sslVerificationMode);
        agentDownloader.downloadIfNecessary(DownloadableFile.AGENT);
        ServerBinaryDownloader pluginZipDownloader = new ServerBinaryDownloader(urlGenerator, rootCertFile, sslVerificationMode);
        pluginZipDownloader.downloadIfNecessary(DownloadableFile.AGENT_PLUGINS);
        ServerBinaryDownloader tfsImplDownloader = new ServerBinaryDownloader(urlGenerator, rootCertFile, sslVerificationMode);
        tfsImplDownloader.downloadIfNecessary(DownloadableFile.TFS_IMPL);
        command = agentInvocationCommand(agentDownloader.getMd5(), launcherMd5, pluginZipDownloader.getMd5(), tfsImplDownloader.getMd5(), env, context, agentDownloader.getSslPort());
        LOG.info("Launching Agent with command: {}", join(command, " "));
        Process agent = invoke(command);
        // The next lines prevent the child process from blocking on Windows
        AgentOutputAppender agentOutputAppenderForStdErr = new AgentOutputAppender(GO_AGENT_STDERR_LOG);
        AgentOutputAppender agentOutputAppenderForStdOut = new AgentOutputAppender(GO_AGENT_STDOUT_LOG);
        if (new SystemEnvironment().consoleOutToStdout()) {
            agentOutputAppenderForStdErr.writeTo(AgentOutputAppender.Outstream.STDERR);
            agentOutputAppenderForStdOut.writeTo(AgentOutputAppender.Outstream.STDOUT);
        }
        agent.getOutputStream().close();
        AgentConsoleLogThread stdErrThd = new AgentConsoleLogThread(agent.getErrorStream(), agentOutputAppenderForStdErr);
        stdErrThd.start();
        AgentConsoleLogThread stdOutThd = new AgentConsoleLogThread(agent.getInputStream(), agentOutputAppenderForStdOut);
        stdOutThd.start();
        Shutdown shutdownHook = new Shutdown(agent);
        Runtime.getRuntime().addShutdownHook(shutdownHook);
        try {
            exitValue = agent.waitFor();
        } catch (InterruptedException ie) {
            LOG.error("Agent was interrupted. Terminating agent and respawning. {}", ie.toString());
            agent.destroy();
        } finally {
            removeShutdownHook(shutdownHook);
            stdErrThd.stopAndJoin();
            stdOutThd.stopAndJoin();
        }
    } catch (Exception e) {
        LOG.error("Exception while executing command: {} - {}", join(command, " "), e.toString());
        exitValue = EXCEPTION_OCCURRED;
    }
    return exitValue;
}