75 lines
2.7 KiB
Bash
Executable File
75 lines
2.7 KiB
Bash
Executable File
#!/bin/bash
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[[ -z "$VM_UUID" ]] && {
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echo "Environment variable VM_UUID is not set."
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exit 1
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}
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source "/etc/detee/daemon/vms/$VM_UUID"
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mandatory_vars=("KERNEL" "INITRD" "PARAMS" "CPU_TYPE" \
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"VCPUS" "MEMORY" "MAX_MEMORY" "DISK")
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for var in "${mandatory_vars[@]}"; do
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if [ -z "${!var}" ]; then
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echo "Environment variable $var is not set."
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exit 1
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fi
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done
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interfaces=$(env | grep -oE '^NETWORK_INTERFACE_[0-9]*')
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nat_configured="false"
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vtap_fd_counter=3
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while read -r interface; do
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interface_type="$( echo ${!interface} | cut -d '_' -f1 )"
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if [[ "$interface_type" == "macvtap" || "$interface_type" == "ipvtap" ]]; then
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interface_device="$( echo ${!interface} | cut -d '_' -f2 )"
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interface_name="$( echo ${!interface} | cut -d '_' -f3 )"
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if [[ "$interface_type" == "macvtap" ]]; then
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ip link add link $interface_device name $interface_name type $interface_type mode bridge
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else
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ip link add link $interface_device name $interface_name type $interface_type
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fi
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ip link set $interface_name up
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ip link set $interface_name promisc on
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vtap_index="$(cat /sys/class/net/${interface_name}/ifindex)"
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vtap_addr="$(cat /sys/class/net/${interface_name}/address)"
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fd_number=$vtap_fd_counter
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exec {fd_number}<> /dev/tap${vtap_index}
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qemu_device_params="-netdev tap,id=hostnet1,fd=${fd_number} -device virtio-net-pci,netdev=hostnet1,mac=${vtap_addr},romfile="
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((vtap_fd_counter++))
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fi
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if [[ "$interface_type" == "NAT" && "$nat_configured" == "false" ]]; then
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ports=""
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nat_configured="true"
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for port_pair in "$NAT_PORT_FW"; do
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host_port="$( echo $port_pair | cut -d ':' -f1 )"
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guest_port="$( echo $port_pair | cut -d ':' -f2 )"
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ports+=",hostfwd=tcp::${host_port}-:${guest_port}"
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done
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qemu_device_params="-netdev user,id=vmnic${ports}"
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qemu_device_params+=" -device virtio-net-pci,netdev=vmnic,romfile="
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fi
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# TODO: also handle bridge device (when IPs are public, but the host is the gateway)
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done <<< "$( echo "$interfaces" )"
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vm_disk="/root/dtrfs/arch-1-ghe0.qcow2"
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qemu-system-x86_64 $qemu_device_params \
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-enable-kvm -cpu $CPU_TYPE -vga none \
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-machine q35,confidential-guest-support=sev0,memory-backend=ram1 \
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-smp $VCPUS,maxcpus=$VCPUS \
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-m $MEMORY,slots=5,maxmem=$MAX_MEMORY \
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-no-reboot -bios /usr/share/edk2/ovmf/OVMF.amdsev.fd \
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-drive file=${DISK},if=none,id=disk0,format=qcow2 \
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-device virtio-blk-pci,drive=disk0 \
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-object memory-backend-memfd,id=ram1,size=$MEMORY,share=true,prealloc=false \
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-object sev-snp-guest,id=sev0,cbitpos=51,reduced-phys-bits=1,kernel-hashes=on \
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-kernel $KERNEL -append "$PARAMS" -initrd $INITRD \
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-nographic -monitor pty -serial mon:stdio -monitor unix:monitor,server,nowait
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