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new 885de79599f IGNITE-26169 Update code deployment example (#6398)
885de79599f is described below
commit 885de79599fdc1f46329eeed3af6cefecbd0ccdc
Author: jinxxxoid <jinxxxinthemir...@gmail.com>
AuthorDate: Tue Aug 26 14:50:59 2025 +0400
IGNITE-26169 Update code deployment example (#6398)
---
.../code/deployment/CodeDeploymentExample.java | 58 ++++++++++++++++++
.../ignite/example/code/deployment/MyJob.java | 71 ++++++++++++++++++++++
.../example/code/deployment/resources/script.sh | 3 +
3 files changed, 132 insertions(+)
diff --git
a/examples/src/main/java/org/apache/ignite/example/code/deployment/CodeDeploymentExample.java
b/examples/src/main/java/org/apache/ignite/example/code/deployment/CodeDeploymentExample.java
new file mode 100644
index 00000000000..1db20427358
--- /dev/null
+++
b/examples/src/main/java/org/apache/ignite/example/code/deployment/CodeDeploymentExample.java
@@ -0,0 +1,58 @@
+/*
+ * 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.code.deployment;
+
+import org.apache.ignite.client.IgniteClient;
+import org.apache.ignite.compute.JobDescriptor;
+import org.apache.ignite.compute.JobTarget;
+import org.apache.ignite.deployment.DeploymentUnit;
+
+public class CodeDeploymentExample {
+
+ /** Deployment unit name. */
+ private static final String DEPLOYMENT_UNIT_NAME =
"codeDeploymentExampleUnit";
+
+ /** Deployment unit version. */
+ private static final String DEPLOYMENT_UNIT_VERSION = "1.0.0";
+
+ /**
+ * Main method of the example.
+ *
+ * @param args The command line arguments.
+ */
+ public static void main(String[] args) {
+
+ System.out.println("\nConnecting to server...");
+
+ try (IgniteClient client =
IgniteClient.builder().addresses("127.0.0.1:10800").build()) {
+
+ System.out.println("\nConfiguring compute job...");
+
+ JobDescriptor<String, String> job =
JobDescriptor.builder(MyJob.class)
+ .units(new DeploymentUnit(DEPLOYMENT_UNIT_NAME,
DEPLOYMENT_UNIT_VERSION)).resultClass(String.class).build();
+
+ JobTarget target = JobTarget.anyNode(client.cluster().nodes());
+
+ System.out.println("\nExecuting compute job'" + "'...");
+
+ String result = client.compute().execute(target, job, "Hello from
job");
+
+ System.out.println("\n=== Result ===\n" + result);
+ }
+ }
+}
diff --git
a/examples/src/main/java/org/apache/ignite/example/code/deployment/MyJob.java
b/examples/src/main/java/org/apache/ignite/example/code/deployment/MyJob.java
new file mode 100644
index 00000000000..c11eebddf4e
--- /dev/null
+++
b/examples/src/main/java/org/apache/ignite/example/code/deployment/MyJob.java
@@ -0,0 +1,71 @@
+/*
+ * 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.code.deployment;
+
+import java.io.OutputStream;
+import org.apache.ignite.Ignite;
+import org.apache.ignite.compute.ComputeJob;
+import org.apache.ignite.compute.JobExecutionContext;
+
+import java.io.InputStream;
+import java.nio.charset.StandardCharsets;
+import java.util.concurrent.CompletableFuture;
+
+public class MyJob implements ComputeJob<String, String> {
+ @Override
+ public CompletableFuture<String> executeAsync(JobExecutionContext ctx,
String arg) {
+ Ignite ignite = ctx.ignite();
+
+ /** Full path to the script we want to run */
+ final String resPath =
"/org/apache/ignite/example/code/deployment/resources/script.sh";
+
+ try (InputStream in = MyJob.class.getResourceAsStream(resPath)) {
+ if (in == null) {
+ throw new IllegalStateException("Resource not found: " +
resPath);
+ }
+
+ byte[] script = in.readAllBytes();
+
+ Process p = new ProcessBuilder("sh", "-s", "--", arg)
+ .redirectErrorStream(true)
+ .start();
+
+ try (OutputStream os = p.getOutputStream()) {
+ os.write(script);
+ }
+
+ String out;
+ try (InputStream procOut = p.getInputStream()) {
+ out = new String(procOut.readAllBytes(),
StandardCharsets.UTF_8).strip();
+ }
+
+ int exit = p.waitFor();
+ if (exit != 0) {
+ throw new RuntimeException("Script exited with code " + exit +
":\n" + out);
+ }
+
+ String result = "Node: " + ignite.name()
+ + "\nArg: " + arg
+ + "\nScript output:\n" + out;
+
+ return CompletableFuture.completedFuture(result);
+ } catch (Exception e) {
+ throw new RuntimeException("Failed to run script", e);
+ }
+ }
+}
diff --git
a/examples/src/main/java/org/apache/ignite/example/code/deployment/resources/script.sh
b/examples/src/main/java/org/apache/ignite/example/code/deployment/resources/script.sh
new file mode 100644
index 00000000000..4c0baef5110
--- /dev/null
+++
b/examples/src/main/java/org/apache/ignite/example/code/deployment/resources/script.sh
@@ -0,0 +1,3 @@
+#!/usr/bin/env sh
+printf "Script is running. Arg: %s\n" "$1"
+date
