ci: use debvm (#72899)

Jenkinsfile

@@ -7,14 +7,14 @@ pipeline {
         stage('Unit Tests (bullseye)') {
             steps {
                 catchError(stageResult: 'FAILURE') {
-                    sh 'sudo ./test-nspawn bullseye'
+                    sh './test-debvm bullseye'
                 }
             }
         }
         stage('Unit Tests (bookworm)') {
             steps {
                 catchError(stageResult: 'FAILURE') {
-                    sh 'sudo ./test-nspawn bookworm'
+                    sh './test-debvm bookworm'
                 }
             }
         }

test-debvm

@@ -0,0 +1,20 @@
+#!/bin/sh -ex
+# USAGE : ./test-debvm bookworm
+
+if [ $1 = bullseye ] || [ $1 = bookworm ]
+then
+    SUITE=$1
+    debvm-create --release=$SUITE --size=10G --sshkey=$HOME/.ssh/id_rsa.pub -- --include=ca-certificates,gnupg2,linux-image-generic,locales-all,postgresql,sudo,git,ansible,make --hook-dir=/usr/share/mmdebstrap/hooks/9pmount
+    debvm-run -g --sshport 2222 -- -daemonize -display none -virtfs "local,path=.,mount_tag=publik-devinst,security_model=none"
+    debvm-waitssh 2222
+    ssh -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no -p 2222 root@localhost "cd /media/publik-devinst;./test-debvm run-tests"
+    kill `ps ax | grep "qemu-system-x86_64" | awk 'NR==1{print $1}'`
+    rm rootfs.ext4
+elif [ $1 = 'run-tests' ]
+then
+    adduser --disabled-password --gecos "" testuser
+    usermod -a -G sudo testuser
+    echo 'testuser ALL=(ALL) NOPASSWD:ALL' >> /etc/sudoers
+    PORT=`pg_lsclusters | tail -n1 | awk '{ print $3 }'`
+    su testuser -l -c 'cd /media/publik-devinst; ansible-playbook -e "postgresql_port=$PORT" -i inventory.yml install.yml'
+fi