ashish-zs commented on code in PR #7122: URL: https://github.com/apache/ignite-3/pull/7122#discussion_r2642706625
########## examples/java/src/main/java/org/apache/ignite/example/util/DeployComputeUnit.java: ########## @@ -0,0 +1,263 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package org.apache.ignite.example.util; + +import java.io.IOException; +import java.io.InputStream; +import java.io.OutputStream; +import java.net.URI; +import java.net.http.HttpClient; +import java.net.http.HttpRequest; +import java.net.http.HttpResponse; +import java.nio.file.Files; +import java.nio.file.Path; +import java.util.HashMap; +import java.util.Map; +import java.util.jar.JarEntry; +import java.util.jar.JarOutputStream; +import java.util.jar.Manifest; + +/** + * Utility class for building and deploying Ignite compute units. + */ +public class DeployComputeUnit { + + private static final String BASE_URL = "http://localhost:10300";; + private static final HttpClient HTTP = HttpClient.newHttpClient(); + + /** + * Builds a JAR file by packaging all compiled classes present in the given directory. + * + * @param classesDir Directory containing compiled .class files. + * @param jarPath Target JAR file path to create. + * @throws IOException If building the JAR fails. + */ + public static void buildJar(Path classesDir, Path jarPath) throws IOException { + if (!Files.exists(classesDir)) { + throw new IllegalArgumentException("Compiled classes not found: " + classesDir); + } + + Files.createDirectories(jarPath.getParent()); + + try (OutputStream fos = Files.newOutputStream(jarPath); + JarOutputStream jar = new JarOutputStream(fos, createManifest())) { + + Files.walk(classesDir).filter(Files::isRegularFile).forEach(path -> { + String entry = classesDir.relativize(path).toString().replace("\\", "/"); + try (InputStream is = Files.newInputStream(path)) { + jar.putNextEntry(new JarEntry(entry)); + is.transferTo(jar); + jar.closeEntry(); + } catch (Exception e) { + throw new RuntimeException(e); + } + }); + } + + System.out.println("JAR built: " + jarPath); + } + + /** + * Creates a simple manifest declaring manifest version. + * + * @return Manifest object. + */ + private static Manifest createManifest() { + Manifest m = new Manifest(); + m.getMainAttributes().putValue("Manifest-Version", "1.0"); + return m; + } + + /** + * Deploys a unit only if it is not already deployed. + * + * @param unitId Deployment unit ID. + * @param version Deployment version. + * @param jar Path to the JAR file. + * @throws Exception If deployment fails. + */ + public static void deployUnitIfNeeded(String unitId, String version, Path jar) throws Exception { + if (deploymentExists(unitId, version)) { + System.out.println("Deployment unit already active. Skipping deployment."); + return; + } + deployUnit(unitId, version, jar); + System.out.println("Deployment completed."); + } + + /** + * Checks if a deployment unit already exists on the cluster. + * + * @param unitId Deployment unit ID. + * @param version Deployment version. + * @return True if active deployment exists. + * @throws Exception If request fails. + */ + public static boolean deploymentExists(String unitId, String version) throws Exception { + HttpRequest req = HttpRequest.newBuilder() + .uri(new URI(BASE_URL + "/management/v1/deployment/cluster/units/" + unitId)) + .GET().build(); + + HttpResponse<String> resp = HTTP.send(req, HttpResponse.BodyHandlers.ofString()); + return resp.statusCode() == 200 && resp.body().contains("\"version\":\"" + version + "\""); + } + + /** + * Deploys a unit to the Ignite cluster. + * + * @param unitId Deployment unit ID. + * @param version Deployment version. + * @param jar Path to the JAR file to upload. + * @throws Exception If deployment fails. + */ + public static void deployUnit(String unitId, String version, Path jar) throws Exception { + String boundary = "igniteBoundary"; + + byte[] jarBytes = Files.readAllBytes(jar); + + String start = + "--" + boundary + "\r\n" + + "Content-Disposition: form-data; name=\"unitContent\"; filename=\"" + jar.getFileName() + "\"\r\n" + + "Content-Type: application/java-archive\r\n\r\n"; + + String end = "\r\n--" + boundary + "--\r\n"; + + byte[] startBytes = start.getBytes(); + byte[] endBytes = end.getBytes(); + + byte[] full = new byte[startBytes.length + jarBytes.length + endBytes.length]; + + System.arraycopy(startBytes, 0, full, 0, startBytes.length); + System.arraycopy(jarBytes, 0, full, startBytes.length, jarBytes.length); + System.arraycopy(endBytes, 0, full, startBytes.length + jarBytes.length, endBytes.length); + + HttpRequest req = HttpRequest.newBuilder() + .uri(new URI(BASE_URL + "/management/v1/deployment/units/" + unitId + "/" + version + "?deployMode=ALL")) + .header("Content-Type", "multipart/form-data; boundary=" + boundary) + .POST(HttpRequest.BodyPublishers.ofByteArray(full)) + .build(); + + HttpResponse<String> resp = HTTP.send(req, HttpResponse.BodyHandlers.ofString()); + + Thread.sleep(500); Review Comment: As mentioned earlier, I plan to revise this to replace the sleep with a polling approach that waits for the deployment unit to reach the DEPLOYED state I’ll use the existing approach in the tests (e.g. Awaitility) for consistency and to avoid fixed delays. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
