MDBF-1156: Build comntainer envs for Ubuntu 26.04

Use ARCH_VARIANT to configure amd64v3 repos.

The removal of clang-14 / llvm install has to do
with the already (2 years) deprecated builder `amd64-ubuntu-2204-clang14-asan`

Author: RazvanLiviuVarzaru

.github/workflows/build-debian-based.yml

@@ -99,6 +99,18 @@ jobs:
             branch: 11.8
             nogalera: false
 
+          - image: ubuntu:26.04
+            platforms: linux/amd64, linux/arm64/v8, linux/ppc64le, linux/s390x
+            branch: 11.8
+            nogalera: true
+
+          - image: ubuntu:26.04
+            tag: ubuntu26.04-amd64v3
+            platforms: linux/amd64
+            branch: 11.8
+            nogalera: true
+            arch_variant: amd64v3
+
     uses: ./.github/workflows/bbw_build_container_template.yml
     with:
       dockerfile: ${{ matrix.dockerfile || 'debian.Dockerfile' }}
@@ -107,6 +119,8 @@ jobs:
       tag: ${{ matrix.tag }}
       branch: ${{ matrix.branch }}
       nogalera: ${{ matrix.nogalera }}
+      arch_variant: ${{ matrix.arch_variant }}
       is_scheduled_event: ${{ inputs.is_scheduled_event || false }}
       deploy_on_schedule: ${{ matrix.deploy_on_schedule || false }}
+      runner: 'ubuntu-24.04'
     secrets: inherit

ci_build_images/debian.Dockerfile

@@ -23,9 +23,14 @@ RUN . /etc/os-release \
       exit 1; \
     fi
 
+ARG ARCH_VARIANT=
+ENV ARCH_VARIANT=$ARCH_VARIANT
 # Install updates and required packages
 # see: https://cryptography.io/en/latest/installation/
 RUN . /etc/os-release \
+    && if [ -n "$ARCH_VARIANT" ]; then \
+         echo "APT::Architecture-Variants \"$ARCH_VARIANT\";" > /etc/apt/apt.conf.d/99enable-$ARCH_VARIANT; \
+       fi \
     && apt-get update \
     && apt-get -y upgrade \
     && apt-get -y install --no-install-recommends \
@@ -93,11 +98,10 @@ RUN . /etc/os-release \
     && if [ "${VERSION_ID}" != 18.04 ]; then \
       apt-get -y install --no-install-recommends flex; \
     fi \
-    && if [ "${VERSION_ID}" = 22.04 ]; then \
-      apt-get -y install --no-install-recommends clang-14 libpcre3-dev llvm; \
-    elif [ "${VERSION_ID}" = 24.04 ]; then \
+    && if [ "${VERSION_ID}" = 24.04 ] && [ "$(arch)" = "x86_64" ]; then \
       # https://packages.ubuntu.com/noble/libclang-rt-18-dev, provider of asan, needs 32bit deps for amd64 \
-      if [ "$(arch)" = "x86_64" ]; then dpkg --add-architecture i386 && apt-get update; fi \
+      dpkg --add-architecture i386 \
+      && apt-get update \
       && apt-get -y install --no-install-recommends clang llvm-dev libclang-rt-18-dev; \
     fi \
     && apt-get clean