#!/bin/bash

##
## THIS FILE IS UNDER PUPPET CONTROL. DON'T EDIT IT HERE.
## USE: git clone git+ssh://$USER@puppet.debian.org/srv/puppet.debian.org/git/dsa-puppet.git
##

##
## Wrapper to call qemu-system-aarch64 from Ganeti, removing all x86/PCI
## assumptions.
##

# With qemu-system-aarch64 the machine should be defined even for simple
# commands like querying the list of devices.
args=("-machine")
args+=("virt,gic-version=3")

# We want to always enable KVM. Contrary to what the Ganeti's documentation
# says, enabling kvm_flag is not enough.
args+=("-enable-kvm")

while [ "$1" ]; do
    case "$1" in
        -machine|-M)
            # Ignore the machine argument (it is already defined above),
            # except when querying the list of machines
            if [ "$2" = "?" ] ; then
                args+=("-M")
                args+=("?")
            fi
            shift
            ;;
        *)
            # Replace PCI devices by their bus agnostic variant, and drop
            # all the PCI related options
            args+=("$(echo $1 | sed -e 's/virtio-\(\w\+\)-pci/virtio-\1-device/' -e 's/,bus=[^,]\+,addr=[^,]\+//')")
            ;;
    esac
    shift
done

exec /usr/bin/qemu-system-aarch64 "${args[@]}"