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Clean up TAP device name handling

This commit is contained in:
Lauri Võsandi 2021-05-31 18:20:56 +00:00
parent 1be0db7470
commit c228d08149
1 changed files with 5 additions and 3 deletions
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8
entrypoint.sh
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@ -9,14 +9,16 @@ ip link set macvtap0 up
# No udev in Docker # No udev in Docker
IFS=: read major minor < <(cat /sys/devices/virtual/net/macvtap0/tap*/dev) IFS=: read major minor < <(cat /sys/devices/virtual/net/macvtap0/tap*/dev)
mknod "/dev/tap$(cat /sys/class/net/macvtap0/ifindex)" c $major $minor DEV=/dev/tap$(cat /sys/class/net/macvtap0/ifindex)
rm -fv $DEV
mknod $DEV c $major $minor
# Launch QEMU instance # Launch QEMU instance
/usr/bin/qemu-system-x86_64 \ /usr/bin/qemu-system-x86_64 \
-machine pc-i440fx-4.2,accel=kvm \ -machine pc-i440fx-4.2,accel=kvm \
-m 8192 \ -m 8192 \
-device virtio-scsi-pci,id=scsi0,bus=pci.0,addr=0x6 \ -device virtio-scsi-pci,id=scsi0,bus=pci.0,addr=0x6 \
-device virtio-net-pci,netdev=hostnet0,id=net0,mac=$(cat /sys/class/net/macvtap0/address) \ -device virtio-net-pci,netdev=hostnet0,id=net0,mac=$MAC \
-device virtio-balloon-pci \ -device virtio-balloon-pci \
-drive if=none,id=hd,file=/data/image.bin,snapshot=on,format=raw \ -drive if=none,id=hd,file=/data/image.bin,snapshot=on,format=raw \
-device scsi-hd,drive=hd \ -device scsi-hd,drive=hd \
@ -24,4 +26,4 @@ mknod "/dev/tap$(cat /sys/class/net/macvtap0/ifindex)" c $major $minor
-device usb-ehci,id=ehci \ -device usb-ehci,id=ehci \
-device usb-tablet,bus=usb-bus.0 \ -device usb-tablet,bus=usb-bus.0 \
-vnc :0 \ -vnc :0 \
-netdev tap,id=hostnet0,vhost=on,fd=9 9<>/dev/tap$(cat /sys/class/net/macvtap0/ifindex) -netdev tap,id=hostnet0,vhost=on,fd=9 9<>$DEV