feat(telemetry): support gzip compression on uploading metrics & logs…

automq-shell/src/main/java/com/automq/shell/log/LogUploader.java

@@ -12,6 +12,7 @@
 package com.automq.shell.log;
 
 import com.automq.shell.AutoMQApplication;
+import com.automq.shell.util.Utils;
 import com.automq.stream.s3.operator.ObjectStorage;
 import com.automq.stream.s3.operator.ObjectStorage.ObjectInfo;
 import com.automq.stream.s3.operator.ObjectStorage.ObjectPath;
@@ -201,7 +202,7 @@ private void upload(long now) {
 
                             try {
                                 String objectKey = getObjectKey();
-                                objectStorage.write(WriteOptions.DEFAULT, objectKey, uploadBuffer.retainedSlice().asReadOnly()).get();
+                                objectStorage.write(WriteOptions.DEFAULT, objectKey, Utils.compress(uploadBuffer.slice().asReadOnly())).get();
                                 break;
                             } catch (Exception e) {
                                 e.printStackTrace(System.err);

automq-shell/src/main/java/com/automq/shell/metrics/S3MetricsExporter.java

@@ -11,6 +11,7 @@
 
 package com.automq.shell.metrics;
 
+import com.automq.shell.util.Utils;
 import com.automq.stream.s3.operator.ObjectStorage;
 import com.automq.stream.s3.operator.ObjectStorage.ObjectInfo;
 import com.automq.stream.s3.operator.ObjectStorage.ObjectPath;
@@ -239,7 +240,7 @@ public CompletableResultCode flush() {
         synchronized (uploadBuffer) {
             if (uploadBuffer.readableBytes() > 0) {
                 try {
-                    objectStorage.write(WriteOptions.DEFAULT, getObjectKey(), uploadBuffer.retainedSlice().asReadOnly()).get();
+                    objectStorage.write(WriteOptions.DEFAULT, getObjectKey(), Utils.compress(uploadBuffer.slice().asReadOnly())).get();
                 } catch (Exception e) {
                     LOGGER.error("Failed to upload metrics to s3", e);
                     return CompletableResultCode.ofFailure();

automq-shell/src/main/java/com/automq/shell/util/Utils.java

@@ -0,0 +1,61 @@
+/*
+ * Copyright 2024, AutoMQ HK Limited.
+ *
+ * The use of this file is governed by the Business Source License,
+ * as detailed in the file "/LICENSE.S3Stream" included in this repository.
+ *
+ * As of the Change Date specified in that file, in accordance with
+ * the Business Source License, use of this software will be governed
+ * by the Apache License, Version 2.0
+ */
+
+package com.automq.shell.util;
+
+import com.automq.stream.s3.ByteBufAlloc;
+
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.util.zip.GZIPInputStream;
+import java.util.zip.GZIPOutputStream;
+
+import io.netty.buffer.ByteBuf;
+
+public class Utils {
+
+    public static ByteBuf compress(ByteBuf input) throws IOException {
+        ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
+        GZIPOutputStream gzipOutputStream = new GZIPOutputStream(byteArrayOutputStream);
+
+        byte[] buffer = new byte[input.readableBytes()];
+        input.readBytes(buffer);
+        gzipOutputStream.write(buffer);
+        gzipOutputStream.close();
+
+        ByteBuf compressed = ByteBufAlloc.byteBuffer(byteArrayOutputStream.size());
+        compressed.writeBytes(byteArrayOutputStream.toByteArray());
+        return compressed;
+    }
+
+    public static ByteBuf decompress(ByteBuf input) throws IOException {
+        byte[] compressedData = new byte[input.readableBytes()];
+        input.readBytes(compressedData);
+        ByteArrayInputStream byteArrayInputStream = new ByteArrayInputStream(compressedData);
+        GZIPInputStream gzipInputStream = new GZIPInputStream(byteArrayInputStream);
+
+        ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
+        byte[] buffer = new byte[1024];
+        int bytesRead;
+        while ((bytesRead = gzipInputStream.read(buffer)) != -1) {
+            byteArrayOutputStream.write(buffer, 0, bytesRead);
+        }
+
+        gzipInputStream.close();
+        byteArrayOutputStream.close();
+
+        byte[] uncompressedData = byteArrayOutputStream.toByteArray();
+        ByteBuf output = ByteBufAlloc.byteBuffer(uncompressedData.length);
+        output.writeBytes(uncompressedData);
+        return output;
+    }
+}

automq-shell/src/test/java/com/automq/shell/util/UtilsTest.java

@@ -0,0 +1,40 @@
+/*
+ * Copyright 2024, AutoMQ HK Limited.
+ *
+ * The use of this file is governed by the Business Source License,
+ * as detailed in the file "/LICENSE.S3Stream" included in this repository.
+ *
+ * As of the Change Date specified in that file, in accordance with
+ * the Business Source License, use of this software will be governed
+ * by the Apache License, Version 2.0
+ */
+
+package com.automq.shell.util;
+
+import com.automq.stream.s3.ByteBufAlloc;
+
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Tag;
+import org.junit.jupiter.api.Test;
+
+import io.netty.buffer.ByteBuf;
+
+@Tag("S3Unit")
+public class UtilsTest {
+
+    @Test
+    public void testCompression() {
+        String testStr = "This is a test string";
+        ByteBuf input = ByteBufAlloc.byteBuffer(testStr.length());
+        input.writeBytes(testStr.getBytes());
+        try {
+            ByteBuf compressed = Utils.compress(input);
+            ByteBuf decompressed = Utils.decompress(compressed);
+            String decompressedStr = decompressed.toString(io.netty.util.CharsetUtil.UTF_8);
+            System.out.printf("Original: %s, Decompressed: %s\n", testStr, decompressedStr);
+            Assertions.assertEquals(testStr, decompressedStr);
+        } catch (Exception e) {
+            Assertions.fail("Exception occurred during compression/decompression: " + e.getMessage());
+        }
+    }
+}