spread.yaml

project: apparmor
backends:
    garden:
        # The garden backend relies on https://gitlab.com/zygoon/image-garden
        # TODO: Switch to a released version for better stability.
        type: adhoc
        allocate: |
            # Spread automatically injects /snap/bin to PATH. When we are
            # running from the image-garden snap then SPREAD_HOST_PATH is the
            # original path before such modifications were applied. Snap
            # applications cannot normally run /snap/bin/* entry-points
            # successfully so re-set PATH to the original value, as provided by
            # snapcraft.
            if [ -n "${SPREAD_HOST_PATH-}" ]; then
                PATH="${SPREAD_HOST_PATH}"
            fi
            # Use just enough RAM to link the parser on a virtual system with
            # two cores. Using more cores may easily consume more memory, due
            # to make -j$(nproc), used below than a small CI/CD system is
            # typically granted.  It is better to have more workers than to
            # have one big worker with lots of resources.
            export QEMU_MEM_OPTION="-m 1536"
            export QEMU_SMP_OPTION="-smp 2"
            ARCH="$(uname -m)"
            # If a locally built kernel image exist then use it for booting.
            # Care needs to be taken to make sure the kernel is compatible with
            # loadable modules present in the file system.
            if [ -f bzImage ]; then
                # Create the qcow2/run files before setting custom kernel
                # options, so that first boot and initialization happen in a
                # standardized manner.
                image-garden make "$SPREAD_SYSTEM"."$ARCH".run "$SPREAD_SYSTEM"."$ARCH".qcow2 1>&2
                # Pass a simple drive instead of the more elaborate virtio
                # configuration that is used by default. Some images may not
                # support virtio enough for booting.
                export QEMU_STORAGE_OPTION="-drive file=$SPREAD_SYSTEM.$ARCH.qcow2,format=qcow2"
                # Refrain from passing EFI firmware to qemu so that we boot a
                # kernel directly and bypass both EFI and BIOS.
                export QEMU_BOOT_FIRMWARE_OPTION=""
                # Pass the kernel and cmdline by hand. At present this is tuned
                # to the Ubuntu cloud images that have the rootfs as the first
                # partition.
                exec image-garden allocate "$SPREAD_SYSTEM"."$ARCH" \
                  -kernel bzImage \
                  -append 'root=/dev/sda1 ro console=tty1 console=ttyS0'
            fi
            # Ask image garden to allocate the system and relay the result back
            # to spread as either success of failure.
            exec image-garden allocate "$SPREAD_SYSTEM"."$ARCH"
        discard: |
            # See above for an explanation.
            if [ -n "${SPREAD_HOST_PATH-}" ]; then
                PATH="${SPREAD_HOST_PATH}"
            fi
            image-garden discard "$SPREAD_SYSTEM_ADDRESS"
        systems:
            # All systems except for the one Ubuntu system are marked as
            # manual. This way we don't accidentally spin up everything when
            # someone runs spread without knowing better.
            - opensuse-cloud-tumbleweed:
                  username: opensuse
                  password: opensuse
                  workers: 4
                  manual: true
            - debian-cloud-12:
                  username: debian
                  password: debian
                  workers: 4
                  manual: true
            - debian-cloud-13: