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✨ Camel Spring Boot on Tomcat App/Product
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31 changes: 31 additions & 0 deletions
31
fuse-products/src/main/java/software/tnb/product/csb/TomcatCamelSpringBoot.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,31 @@ | ||
| package software.tnb.product.csb; | ||
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| import software.tnb.product.LocalProduct; | ||
| import software.tnb.product.Product; | ||
| import software.tnb.product.application.App; | ||
| import software.tnb.product.csb.application.TomcatSpringBootApp; | ||
| import software.tnb.product.integration.builder.AbstractIntegrationBuilder; | ||
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| import com.google.auto.service.AutoService; | ||
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| @AutoService(Product.class) | ||
| public class TomcatCamelSpringBoot extends LocalProduct { | ||
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| private TomcatSpringBootApp app; | ||
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| @Override | ||
| public App createIntegrationApp(AbstractIntegrationBuilder<?> integrationBuilder) { | ||
| app = new TomcatSpringBootApp(integrationBuilder); | ||
| return app; | ||
| } | ||
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| @Override | ||
| public void setupProduct() { | ||
| super.setupProduct(); | ||
| } | ||
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| @Override | ||
| public void teardownProduct() { | ||
| app.stop(); | ||
| } | ||
| } |
233 changes: 233 additions & 0 deletions
233
fuse-products/src/main/java/software/tnb/product/csb/application/TomcatSpringBootApp.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,233 @@ | ||
| package software.tnb.product.csb.application; | ||
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| import software.tnb.common.config.TestConfiguration; | ||
| import software.tnb.product.application.App; | ||
| import software.tnb.product.application.Phase; | ||
| import software.tnb.product.csb.configuration.SpringBootConfiguration; | ||
| import software.tnb.product.customizer.Customizer; | ||
| import software.tnb.product.customizer.component.rest.RestCustomizer; | ||
| import software.tnb.product.integration.builder.AbstractIntegrationBuilder; | ||
| import software.tnb.product.log.FileLog; | ||
| import software.tnb.product.log.Log; | ||
| import software.tnb.product.log.stream.LogStream; | ||
| import software.tnb.product.util.ZipUtils; | ||
| import software.tnb.product.util.maven.BuildRequest; | ||
| import software.tnb.product.util.maven.Maven; | ||
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| import org.apache.commons.io.FileUtils; | ||
| import org.apache.maven.model.Dependency; | ||
| import org.slf4j.Logger; | ||
| import org.slf4j.LoggerFactory; | ||
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| import java.io.File; | ||
| import java.io.IOException; | ||
| import java.net.URL; | ||
| import java.nio.charset.StandardCharsets; | ||
| import java.nio.file.Files; | ||
| import java.nio.file.Path; | ||
| import java.util.List; | ||
| import java.util.Map; | ||
| import java.util.stream.Collectors; | ||
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| public class TomcatSpringBootApp extends App { | ||
| private static final Logger LOG = LoggerFactory.getLogger(TomcatSpringBootApp.class); | ||
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| private AbstractIntegrationBuilder<?> integrationBuilder; | ||
| private Path tomcatTmpDirectory; | ||
| private Path tomcatHome = null; | ||
| private Process tomcatProcess = null; | ||
| private static final String TOMCAT_PARENT_DIRECTORY = "tomcat"; | ||
| private static final String TOMCAT_ARCHIVE_NAME = "tomcat-archive.zip"; | ||
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| @Override | ||
| public Log getLog() { | ||
| return new FileLog(getLogPath()); | ||
| } | ||
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| public TomcatSpringBootApp(AbstractIntegrationBuilder<?> integrationBuilder) { | ||
| super(integrationBuilder.getIntegrationName()); | ||
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| downloadTomcat(); | ||
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| this.integrationBuilder = integrationBuilder; | ||
| } | ||
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| private void startTomcat() { | ||
| File[] file = tomcatTmpDirectory.resolve(TOMCAT_PARENT_DIRECTORY).toFile().listFiles(); | ||
| for (File f : file) { | ||
| if (f.isDirectory()) { | ||
| if (f.getName().contains("apache-tomcat")) { | ||
| tomcatHome = f.toPath(); | ||
| } else if (f.getName().contains("jws")) { | ||
| tomcatHome = f.toPath().resolve("tomcat"); // Case JWS | ||
| } | ||
| } | ||
| } | ||
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| if (tomcatHome == null) { | ||
| throw new RuntimeException("Could not find Tomcat home in " + tomcatTmpDirectory.resolve(TOMCAT_PARENT_DIRECTORY)); | ||
| } | ||
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| Path logFile = getLogPath(); | ||
| // startup.sh starts on another process, let's use catalina run so that we can control the lifecyle | ||
| ProcessBuilder processBuilder = new ProcessBuilder(tomcatHome + File.separator + "bin" + File.separator + "catalina.sh", "run") | ||
| .redirectError(logFile.toFile()) | ||
| .redirectOutput(logFile.toFile()); | ||
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| try { | ||
| tomcatProcess = processBuilder.start(); | ||
| Runtime.getRuntime().addShutdownHook(new Thread(() -> { | ||
| if (tomcatProcess != null) { | ||
| tomcatProcess.destroyForcibly(); | ||
| } | ||
| })); | ||
| } catch (IOException e) { | ||
| throw new RuntimeException(e); | ||
| } | ||
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| LOG.info("Starting tomcat in {}", tomcatHome); | ||
| } | ||
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| private void downloadTomcat() { | ||
| try { | ||
| tomcatTmpDirectory = Files.createTempDirectory("tnb-tomcat"); | ||
| LOG.info("Downloading tomcat in {}", tomcatTmpDirectory); | ||
| FileUtils.copyURLToFile(new URL(SpringBootConfiguration.tomcatZipUrl()), tomcatTmpDirectory.resolve(TOMCAT_ARCHIVE_NAME).toFile()); | ||
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| ZipUtils.unzip(tomcatTmpDirectory.resolve(TOMCAT_ARCHIVE_NAME), tomcatTmpDirectory.resolve(TOMCAT_PARENT_DIRECTORY)); | ||
| } catch (IOException e) { | ||
| throw new RuntimeException(e); | ||
| } | ||
| } | ||
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| @Override | ||
| public void start() { | ||
| startTomcat(); | ||
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| // Let's remove restcustomizer, since it exclude tomcat | ||
| List<Customizer> customizers = integrationBuilder.getCustomizers() | ||
| .stream().filter(customizer -> customizer instanceof RestCustomizer) | ||
| .collect(Collectors.toList()); | ||
| integrationBuilder.getCustomizers().remove(customizers); | ||
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| // spring web is needed and tomcat is provided | ||
| Dependency providedTomcatDependency = new Dependency(); | ||
| providedTomcatDependency.setArtifactId("spring-boot-starter-tomcat"); | ||
| providedTomcatDependency.setGroupId("org.springframework.boot"); | ||
| providedTomcatDependency.setScope("provided"); | ||
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| integrationBuilder.dependencies( | ||
| Maven.createDependency("org.springframework.boot:spring-boot-starter-web"), | ||
| providedTomcatDependency); | ||
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| // Create the integration | ||
| new SpringBootApp(integrationBuilder) { | ||
| @Override | ||
| public void start() { | ||
| // We just need the application to be generated, not run | ||
| } | ||
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| @Override | ||
| public void stop() { | ||
| // do nothing | ||
| } | ||
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| @Override | ||
| public boolean isReady() { | ||
| return true; | ||
| } | ||
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| @Override | ||
| public boolean isFailed() { | ||
| return false; | ||
| } | ||
| }.start(); | ||
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| // replace packaging and extend SpringBootServletInitializer | ||
| try { | ||
| Path pomPath = TestConfiguration.appLocation().resolve(name).resolve("pom.xml"); | ||
| String pom = Files.readString(pomPath); | ||
| pom = pom.replace("<artifactId>" + name + "</artifactId>", | ||
| "<artifactId>" + name + "</artifactId><packaging>war</packaging>"); | ||
| Files.write(pomPath, pom.getBytes(StandardCharsets.UTF_8)); | ||
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| Path mainPath = TestConfiguration.appLocation().resolve(name) | ||
| .resolve("src") | ||
| .resolve("main") | ||
| .resolve("java") | ||
| .resolve("com") | ||
| .resolve("test") | ||
| .resolve("MySpringBootApplication.java"); | ||
| String main = Files.readString(mainPath); | ||
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| main = main.replace("class MySpringBootApplication {", | ||
| """ | ||
| class MySpringBootApplication extends org.springframework.boot.web.servlet.support.SpringBootServletInitializer { | ||
| @Override | ||
| protected org.springframework.boot.builder.SpringApplicationBuilder | ||
| configure(org.springframework.boot.builder.SpringApplicationBuilder application) { | ||
| return application.sources(MySpringBootApplication.class); | ||
| } | ||
| """); | ||
| Files.write(mainPath, main.getBytes(StandardCharsets.UTF_8)); | ||
| } catch (IOException e) { | ||
| throw new RuntimeException(e); | ||
| } | ||
|
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| // package application | ||
| BuildRequest.Builder requestBuilder = new BuildRequest.Builder() | ||
| .withBaseDirectory(TestConfiguration.appLocation().resolve(name)) | ||
| .withGoals("clean", "package") | ||
| .withProperties(Map.of( | ||
| "skipTests", "true" | ||
| )) | ||
| .withLogFile(getLogPath(Phase.BUILD)) | ||
| .withLogMarker(LogStream.marker(name, Phase.BUILD)); | ||
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| LOG.info("Building {} application project for tomcat", name); | ||
| Maven.invoke(requestBuilder.build()); | ||
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| // copy generated WAR in tomcat | ||
| String warName = name + "-1.0.0-SNAPSHOT.war"; | ||
| try { | ||
| Files.copy(TestConfiguration.appLocation().resolve(name).resolve("target").resolve(warName), | ||
| tomcatHome.resolve("webapps").resolve(warName)); | ||
| } catch (IOException e) { | ||
| throw new RuntimeException(e); | ||
| } | ||
| } | ||
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| @Override | ||
| public void stop() { | ||
| if (logStream != null) { | ||
| logStream.stop(); | ||
| } | ||
|
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| if (log != null) { | ||
| log.save(); | ||
| } | ||
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| if (tomcatProcess != null) { | ||
| try { | ||
| Process shutdown = new ProcessBuilder(tomcatHome + File.separator + "bin" + File.separator + "shutdown.sh") | ||
| .start(); | ||
| shutdown.waitFor(); | ||
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| tomcatProcess.destroyForcibly(); | ||
| } catch (IOException | InterruptedException e) { | ||
| throw new RuntimeException(e); | ||
| } | ||
| } | ||
| } | ||
|
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| @Override | ||
| public boolean isReady() { | ||
| return tomcatProcess != null && tomcatProcess.isAlive(); | ||
| } | ||
|
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| @Override | ||
| public boolean isFailed() { | ||
| return tomcatProcess != null && !tomcatProcess.isAlive(); | ||
| } | ||
| } |
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