HADOOP-19774. Bump default OS version to Ubuntu 24.04

BUILDING.txt

@@ -32,8 +32,8 @@ On Linux / Mac:
     $ ./start-build-env.sh [OS platform]
 
    - [OS Platform] One of [rockylinux_8, debian_11, debian_12, debian_13, ubuntu_20, ubuntu_24, windows_10].
-        Default is 'ubuntu_20'.
-        Note: Currently only default ('ubuntu_20') is supported on arm machine
+        Default is 'ubuntu_24'.
+        Note: Currently only ubuntu is supported on arm machine
 
 The prompt which is then presented is located at a mounted version of the source tree
 and all required tools for testing and building have been installed and configured.
@@ -57,7 +57,7 @@ Known issues:
 ----------------------------------------------------------------------------------
 Installing required packages for clean install of Ubuntu 18.04 LTS Desktop.
 (For Ubuntu 20.04, gcc/g++ and cmake bundled with Ubuntu can be used.
-Refer to  dev-support/docker/Dockerfile):
+Refer to  dev-support/docker/Dockerfile_ubuntu_20):
 
 * Open JDK 17
   $ sudo apt-get update

dev-support/Jenkinsfile

@@ -98,10 +98,10 @@ pipeline {
                     '''
                 }
 
-                dir("${WORKSPACE}/ubuntu-focal") {
+                dir("${WORKSPACE}/ubuntu-noble") {
                     sh '''#!/usr/bin/env bash
 
-                    cp -Rp ${WORKSPACE}/src ${WORKSPACE}/ubuntu-focal
+                    cp -Rp ${WORKSPACE}/src ${WORKSPACE}/ubuntu-noble
                     '''
                 }
             }
@@ -199,13 +199,13 @@ pipeline {
             }
         }
 
-        // We want to use Ubuntu Focal as our main CI and thus, this stage
+        // We want to use Ubuntu Noble as our main CI and thus, this stage
         // isn't optional (runs for all the PRs).
-        stage ('precommit-run Ubuntu focal') {
+        stage ('precommit-run Ubuntu Noble') {
             environment {
-                SOURCEDIR = "${WORKSPACE}/ubuntu-focal/src"
-                PATCHDIR = "${WORKSPACE}/ubuntu-focal/out"
-                DOCKERFILE = "${SOURCEDIR}/dev-support/docker/Dockerfile"
+                SOURCEDIR = "${WORKSPACE}/ubuntu-noble/src"
+                PATCHDIR = "${WORKSPACE}/ubuntu-noble/out"
+                DOCKERFILE = "${SOURCEDIR}/dev-support/docker/Dockerfile_ubuntu_24"
                 IS_OPTIONAL = 0
             }
 
@@ -229,8 +229,8 @@ pipeline {
                                               usernameVariable: 'GITHUB_USER')]) {
                             sh '''#!/usr/bin/env bash
 
-                            # Copy the artifacts of Ubuntu focal build to workspace
-                            cp -Rp "${WORKSPACE}/ubuntu-focal/out" "${WORKSPACE}"
+                            # Copy the artifacts of Ubuntu Noble build to workspace
+                            cp -Rp "${WORKSPACE}/ubuntu-noble/out" "${WORKSPACE}"
 
                             # Send Github status
                             chmod u+x "${SOURCEDIR}/dev-support/jenkins.sh"

dev-support/bin/create-release

@@ -201,12 +201,12 @@ function set_defaults
 
   DOCKER=false
   DOCKERCACHE=false
-  DOCKERFILE="${BASEDIR}/dev-support/docker/Dockerfile"
+  DOCKERFILE="${BASEDIR}/dev-support/docker/Dockerfile_ubuntu_24"
   DOCKERRAN=false
 
   CPU_ARCH=$(echo "$MACHTYPE" | cut -d- -f1)
   if [[ "$CPU_ARCH" = "aarch64" || "$CPU_ARCH" = "arm64" ]]; then
-    DOCKERFILE="${BASEDIR}/dev-support/docker/Dockerfile_aarch64"
+    DOCKERFILE="${BASEDIR}/dev-support/docker/Dockerfile_ubuntu_24_aarch64"
   fi
 
   # Extract Java version from ${BASEDIR}/pom.xml

dev-support/jenkins.sh

@@ -18,7 +18,7 @@
 
 # This script is called from the Jenkinsfile, which ultimately runs
 # the CI through Yetus.
-# We use Ubuntu Focal as the main platform for building Hadoop, thus
+# We use Ubuntu Noble as the main platform for building Hadoop, thus
 # it runs for all the PRs. Additionally, we also ensure that
 # Hadoop builds across the supported platforms whenever there's a change
 # in any of the C/C++ files, C/C++ build files or platform changes.

start-build-env.sh

@@ -22,13 +22,14 @@ cd "$(dirname "$0")" # connect to root
 OS_PLATFORM="${1:-}"
 [ "$#" -gt 0 ] && shift
 
-DEFAULT_OS_PLATFORM="ubuntu_20"
+DEFAULT_OS_PLATFORM="ubuntu_24"
 
 OS_PLATFORM_SUFFIX=""
 
-if [[ -n ${OS_PLATFORM} ]] && [[ "${OS_PLATFORM}" != "${DEFAULT_OS_PLATFORM}" ]]; then
-  # ubuntu_20 (default) platform does not have suffix in Dockerfile.
+if [[ -n ${OS_PLATFORM} ]]; then
   OS_PLATFORM_SUFFIX="_${OS_PLATFORM}"
+else
+  OS_PLATFORM_SUFFIX="_${DEFAULT_OS_PLATFORM}"
 fi
 
 DOCKER_DIR=dev-support/docker