DLPX-91976 Step 4: linux-pkg: Prepare and update Ubuntu distribution pointer to new version

PR URL: https://www.github.com/delphix/linux-pkg/pull/322

Author: palash-gandhi

README.md

@@ -29,7 +29,7 @@ projects.
 
 ## System Requirements
 
-This framework is intended to be run on an Ubuntu 20.04 system with some basic
+This framework is intended to be run on an Ubuntu 24.04 system with some basic
 developer packages installed, such as git, and passwordless sudo enabled. Note
 that it will automatically install various build-dependencies on the system, so
 as a safety precaution it is currently restricted to only run on an AWS instance

default-package-config.sh

@@ -262,11 +262,7 @@ function kernel_update_upstream() {
 	local tag_prefix_flavour
 	case "${platform}" in
 	generic)
-		if [[ "$UBUNTU_DISTRIBUTION" == focal ]]; then
-			tag_prefix_flavour="Ubuntu-hwe"
-		else
-			tag_prefix_flavour="Ubuntu"
-		fi
+		tag_prefix_flavour="Ubuntu"
 		;;
 	aws | azure | gcp | oracle)
 		tag_prefix_flavour="Ubuntu-${platform}"

lib/common.sh

@@ -28,7 +28,7 @@ export SUPPORTED_KERNEL_FLAVORS="generic aws gcp azure oracle"
 #
 export JENKINS_OPS_DIR="${JENKINS_OPS_DIR:-jenkins-ops}"
 
-export UBUNTU_DISTRIBUTION="focal"
+export UBUNTU_DISTRIBUTION="noble"
 
 #
 # We currently support getting the linux kernel from 3 different sources:
@@ -1119,10 +1119,10 @@ function get_kernel_version_for_platform_from_apt() {
 	# available, it is not always the case.
 	#
 
-	if [[ "$platform" != generic ]] && [[ "$UBUNTU_DISTRIBUTION" == focal ]]; then
+	if [[ "$platform" != generic ]] && [[ "$UBUNTU_DISTRIBUTION" == noble ]]; then
 		package="linux-image-${platform}"
 	else
-		package="linux-image-${platform}-hwe-20.04"
+		package="linux-image-${platform}-hwe-24.04"
 	fi
 
 	if [[ "$(apt-cache show --no-all-versions "$package" \

packages/misc-debs/config.sh

@@ -47,10 +47,7 @@ SKIP_COPYRIGHTS_CHECK=true
 function fetch() {
 	logmust cd "$WORKDIR/artifacts"
 
-	local debs=(
-		# Copied from https://s3.amazonaws.com/packages.treasuredata.com/4/ubuntu/focal/pool/contrib/t/td-agent/td-agent_4.4.2-1_arm64.deb
-		"td-agent_4.4.2-1_amd64.deb b40c1883c3849e9a7bf67762c9f9a87a6119ad98f1fae64a83d754e1275a379a"
-	)
+	local debs=()
 
 	local url="http://artifactory.delphix.com/artifactory/linux-pkg/misc-debs"