feat: ubuntu 24.04

tools/qemu-ubuntu-img/generate-images.py

@@ -0,0 +1,70 @@
+#!/usr/bin/env python3
+
+import os
+import subprocess
+
+script_dir = os.path.dirname(os.path.realpath(__file__))
+os.chdir(script_dir)
+
+releases = [
+    # ('12.04', 'precies'),
+    # ('14.04', 'trusty'),
+    # ('16.04', 'xenial'),
+    # ('18.04', 'bionic'),
+    # ('20.04', 'focal'),
+    # ('22.04', 'jammy'),
+    ('24.04', 'noble'),
+]
+
+template = '''
+FROM ubuntu:{version}
+
+ENV DEBIAN_FRONTEND=noninteractive
+RUN apt update
+RUN apt install -y debootstrap qemu-utils
+RUN apt install -y linux-image-generic
+
+ENV TMPDIR=/tmp/ubuntu
+ENV IMAGEDIR=/tmp/image
+ENV IMAGE=/shared/out_of_tree_ubuntu_{img_version}.img
+ENV REPOSITORY=http://archive.ubuntu.com/ubuntu
+ENV RELEASE={codename}
+
+RUN mkdir $IMAGEDIR
+
+# Must be executed with --privileged because of /dev/loop
+CMD debootstrap --include=openssh-server,policykit-1 \
+	$RELEASE $TMPDIR $REPOSITORY && \
+	/shared/setup.sh $TMPDIR && \
+	qemu-img create $IMAGE 2G && \
+	mkfs.ext4 -F $IMAGE && \
+	mount -o loop $IMAGE $IMAGEDIR && \
+	cp -a $TMPDIR/* $IMAGEDIR/ && \
+	umount $IMAGEDIR
+'''
+
+def run_cmd(cmd):
+    print(f"+ {cmd}")
+    subprocess.run(cmd, shell=True, check=True, executable='/bin/bash')
+
+for version, codename in releases:
+    numeric_version = version.replace('.', '')
+    img_version=version.replace(".","__")
+
+    dockerfile_content = template.format(
+        version=version,
+        img_version=img_version,
+        codename=codename,
+        numeric_version=numeric_version)
+
+    os.makedirs(str(version), exist_ok=True)
+    with open(f"{version}/Dockerfile", "w") as dockerfile:
+        dockerfile.write(dockerfile_content)
+
+    run_cmd(f"podman build -t gen-ubuntu{numeric_version}-image {version}")
+    run_cmd(f"rm -rf {version}")
+
+    run_cmd(f"podman run --privileged -v {os.getcwd()}:/shared -t gen-ubuntu{numeric_version}-image")
+
+    run_cmd(f"tar -Szcf out_of_tree_ubuntu_{img_version}.img.tar.gz out_of_tree_ubuntu_{img_version}.img")
+

tools/qemu-ubuntu-img/setup.sh

@@ -13,5 +13,5 @@ sed -i '/PermitRootLogin/d' $TMPDIR/etc/ssh/sshd_config
 echo PermitRootLogin yes >> $TMPDIR/etc/ssh/sshd_config
 
 echo '#!/bin/sh' > $TMPDIR/etc/rc.local
-echo 'dhclient' >> $TMPDIR/etc/rc.local
+echo 'dhclient || dhcpcd' >> $TMPDIR/etc/rc.local
 chmod +x $TMPDIR/etc/rc.local