mirror of
https://github.com/vdsm/virtual-dsm.git
synced 2025-02-24 13:30:02 +08:00
86 lines
2.3 KiB
Bash
Executable File
86 lines
2.3 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -eu
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# Docker environment variabeles
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: ${URL:=''} # URL of the PAT file
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: ${DEBUG:='N'} # Enable debug mode
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: ${ALLOCATE:='Y'} # Preallocate diskspace
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: ${CPU_CORES:='1'} # Amount of CPU cores
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: ${DISK_SIZE:='16G'} # Initial data disk size
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: ${RAM_SIZE:='512M'} # Maximum RAM amount
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echo "Starting Virtual DSM for Docker v${VERSION}..."
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STORAGE="/storage"
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KERNEL=$(uname -r | cut -b 1)
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[ ! -d "$STORAGE" ] && echo "Storage folder (${STORAGE}) not found!" && exit 69
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[ ! -f "/run/run.sh" ] && echo "Script must run inside Docker container!" && exit 60
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if [ -f "$STORAGE"/dsm.ver ]; then
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BASE=$(cat "${STORAGE}/dsm.ver")
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else
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# Fallback for old installs
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BASE="DSM_VirtualDSM_42962"
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fi
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[ -n "$URL" ] && BASE=$(basename "$URL" .pat)
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if [[ ! -f "$STORAGE/$BASE.boot.img" ]] || [[ ! -f "$STORAGE/$BASE.system.img" ]]; then
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. /run/install.sh
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fi
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# Initialize disks
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. /run/disk.sh
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# Initialize network
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. /run/network.sh
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# Initialize agent
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. /run/serial.sh
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# Configure shutdown
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. /run/power.sh
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KVM_OPTS=""
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if [ -e /dev/kvm ] && sh -c 'echo -n > /dev/kvm' &> /dev/null; then
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if grep -q -e vmx -e svm /proc/cpuinfo; then
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KVM_OPTS=",accel=kvm -enable-kvm -cpu host"
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fi
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fi
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if [ -z "${KVM_OPTS}" ]; then
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echo "Error: KVM acceleration is disabled.."
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[ "$DEBUG" != "Y" ] && exit 88
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fi
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DEF_OPTS="-name dsm -nographic -nodefaults -boot strict=on -display none"
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RAM_OPTS=$(echo "-m ${RAM_SIZE}" | sed 's/MB/M/g;s/GB/G/g;s/TB/T/g')
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CPU_OPTS="-smp ${CPU_CORES},sockets=1,dies=1,cores=${CPU_CORES},threads=1"
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KVM_OPTS="-machine type=q35,usb=off,dump-guest-core=off,hpet=off${KVM_OPTS}"
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EXTRA_OPTS="device virtio-balloon-pci,id=balloon0,bus=pcie.0,addr=0x4"
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EXTRA_OPTS="$EXTRA_OPTS -object rng-random,id=objrng0,filename=/dev/urandom"
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EXTRA_OPTS="$EXTRA_OPTS -device virtio-rng-pci,rng=objrng0,id=rng0,bus=pcie.0,addr=0x1c"
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ARGS="${DEF_OPTS} ${CPU_OPTS} ${RAM_OPTS} ${KVM_OPTS} ${MON_OPTS} ${SERIAL_OPTS} ${NET_OPTS} ${DISK_OPTS} ${EXTRA_OPTS}"
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ARGS=$(echo "$ARGS" | sed 's/\t/ /g' | tr -s ' ')
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if [ "$DEBUG" = "Y" ]; then
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echo -n "qemu-system-x86_64 "
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echo "${ARGS}" && echo
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fi
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set -m
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(
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qemu-system-x86_64 ${ARGS:+ $ARGS} & echo $! > "${_QEMU_PID}"
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)
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set +m
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if (( KERNEL > 4 )); then
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pidwait -F "${_QEMU_PID}" & wait $!
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else
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tail --pid "$(cat ${_QEMU_PID})" --follow /dev/null & wait $!
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fi
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