coreos-base/update_engine: Support updating old airgapped clients

[pothos]

This pulls in flatcar/update_engine#38 with two workarounds to read out proxy env vars from the service unit and to read out the XML response from the journal logs, because the XML passing and the passing of proxy env vars is not present in old clients.

How to use

Backport to Stable

Testing done

See PR

• Changelog entries added in the respective changelog/ directory (user-facing change, bug fix, security fix, update)
• Inspected CI output for image differences: /boot and /usr size, packages, list files for any missing binaries, kernel modules, config files, kernel modules, etc.

[github-actions]

Test report for 3873.0.0+nightly-20240207-2100 / amd64 arm64

Platforms tested : qemu_uefi-amd64 qemu_update-amd64 qemu_uefi-arm64 qemu_update-arm64

bpf.execsnoop 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

bpf.local-gadget 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

cl.basic 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

cl.cgroupv1 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

cl.cloudinit.basic 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

cl.cloudinit.multipart-mime 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

cl.cloudinit.script 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

cl.disk.raid0.data 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

cl.disk.raid0.root 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

cl.disk.raid1.data 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

cl.disk.raid1.root 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

cl.etcd-member.discovery 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

cl.etcd-member.etcdctlv3 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

cl.etcd-member.v2-backup-restore 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

cl.filesystem 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

cl.flannel.udp 🟢 Succeeded: qemu_uefi-amd64 (1)

cl.flannel.vxlan 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

cl.ignition.instantiated.enable-unit 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

cl.ignition.kargs 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

cl.ignition.luks 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

cl.ignition.oem.indirect 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

cl.ignition.oem.indirect.new 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

cl.ignition.oem.regular 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

cl.ignition.oem.regular.new 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

cl.ignition.oem.reuse 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

cl.ignition.oem.wipe 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

cl.ignition.partition_on_boot_disk 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

cl.ignition.symlink 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

cl.ignition.translation 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

cl.ignition.v1.btrfsroot 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

cl.ignition.v1.ext4root 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

cl.ignition.v1.groups 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

cl.ignition.v1.once 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

cl.ignition.v1.sethostname 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

cl.ignition.v1.users 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

cl.ignition.v1.xfsroot 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

cl.ignition.v2.btrfsroot 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

cl.ignition.v2.ext4root 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

cl.ignition.v2.users 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

cl.ignition.v2.xfsroot 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

cl.ignition.v2_1.ext4checkexisting 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

cl.ignition.v2_1.swap 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

cl.ignition.v2_1.vfat 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

cl.install.cloudinit 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

cl.internet 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

cl.locksmith.cluster 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

cl.misc.falco 🟢 Succeeded: qemu_uefi-amd64 (1)

cl.network.initramfs.second-boot 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

cl.network.listeners 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

cl.network.wireguard 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

cl.omaha.ping 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

cl.osreset.ignition-rerun 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

cl.overlay.cleanup 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

cl.swap_activation 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

cl.sysext.boot 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

cl.sysext.fallbackdownload # SKIP 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

cl.toolbox.dnf-install 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

cl.update.badverity 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

cl.update.grubnop 🟢 Succeeded: qemu_uefi-amd64 (1)

cl.update.payload 🟢 Succeeded: qemu_update-amd64 (1); qemu_update-arm64 (1)

cl.update.reboot 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

cl.users.shells 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

cl.verity 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

coreos.auth.verify 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

coreos.ignition.groups 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

coreos.ignition.once 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

coreos.ignition.resource.local 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

coreos.ignition.resource.remote 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

coreos.ignition.resource.s3.versioned 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

coreos.ignition.security.tls 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

coreos.ignition.sethostname 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

coreos.ignition.systemd.enable-service 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

coreos.locksmith.reboot 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

coreos.locksmith.tls 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

coreos.selinux.boolean 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

coreos.selinux.enforce 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

coreos.tls.fetch-urls 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

coreos.update.badusr 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

devcontainer.docker 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

devcontainer.systemd-nspawn 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

docker.base 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

docker.btrfs-storage 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

docker.containerd-restart 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

docker.devicemapper-storage 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

docker.enable-service.sysext 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

docker.lib-coreos-dockerd-compat 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

docker.network 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

docker.selinux 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

docker.userns 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

extra-test.[first_dual].cl.update.docker-btrfs-compat 🟢 Succeeded: qemu_update-amd64 (1); qemu_update-arm64 (1)

extra-test.[first_dual].cl.update.payload 🟢 Succeeded: qemu_update-amd64 (1); qemu_update-arm64 (1)

kubeadm.v1.26.5.calico.base 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

kubeadm.v1.26.5.calico.cgroupv1.base 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

kubeadm.v1.26.5.cilium.base 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

kubeadm.v1.26.5.cilium.cgroupv1.base 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

kubeadm.v1.26.5.flannel.base 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

kubeadm.v1.26.5.flannel.cgroupv1.base 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

kubeadm.v1.27.2.calico.base 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

kubeadm.v1.27.2.cilium.base 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

kubeadm.v1.27.2.flannel.base 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

kubeadm.v1.28.1.calico.base 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

kubeadm.v1.28.1.cilium.base 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

kubeadm.v1.28.1.flannel.base 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

linux.nfs.v3 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

linux.nfs.v4 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

linux.ntp 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

misc.fips 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

packages 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

sysext.custom-docker.sysext 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

sysext.custom-oem 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

sysext.disable-containerd 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

sysext.disable-docker 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

sysext.simple 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

systemd.journal.remote 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

systemd.journal.user 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)

systemd.sysusers.gshadow 🟢 Succeeded: qemu_uefi-amd64 (1); qemu_uefi-arm64 (1)