Add Ubuntu 24.04 container

Basically copied from Ubuntu 22.04

ubuntu2404-builder/packer.json

@@ -0,0 +1,30 @@
+{
+  "_comment": "Ubuntu 24.04 builder X-enabled",
+  "variables": {
+    "REPO": "registry.cern.ch/alisw/ubuntu2404-builder",
+    "TAG": "latest"
+  },
+  "builders": [
+    {
+      "type": "docker",
+      "image": "ubuntu:24.04",
+      "commit": true
+    }
+  ],
+  "provisioners": [
+    {
+      "type": "shell",
+      "script": "provision.sh"
+    }
+  ],
+  "post-processors": [
+    [
+      {
+        "type": "docker-tag",
+        "repository": "{{user `REPO`}}",
+        "tag": "{{user `TAG`}}"
+      },
+      "docker-push"
+    ]
+  ]
+}

ubuntu2404-builder/provision.sh

@@ -0,0 +1,29 @@
+#!/usr/bin/bash
+set -exo pipefail
+
+# Create users and groups for mesos. -r -U means that the groups created
+# automatically for each user will have the same gid as the uid (so group
+# mesosalien will have gid 980, and so on).
+useradd -rUu 980 mesosalien
+useradd -rUu 981 mesosci
+useradd -rUu 982 mesosdaq
+useradd -rUu 983 mesosuser
+useradd -rUu 984 mesostest
+
+export DEBIAN_FRONTEND=noninteractive
+apt update -y
+apt upgrade -y
+apt install -y apt-utils
+apt install -y build-essential autoconf automake autopoint bison flex \
+    gettext gfortran gtk-doc-tools libtool libtool-bin pkg-config \
+    texinfo libbz2-dev libcurl4-gnutls-dev libfftw3-dev libglfw3-dev \
+    libglu1-mesa-dev libkmod-dev liblzma-dev libmotif-dev \
+    libmysqlclient-dev libnanomsg-dev libncurses-dev libpci-dev \
+    libperl-dev libtbb-dev libxml2-dev linux-headers-generic \
+    lsb-release swig xorg-dev unzip curl rsync ed git pigz rclone \
+    environment-modules ruby-full rubygems-integration python3-dev \
+    python3-venv python3-pip python-is-python3 \
+    openjdk-8-jdk  # for Jenkins
+
+# Don't generate rdoc or ri documentation.
+gem install --no-document fpm