forked from josch/mmdebstrap
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82 lines
2.2 KiB
82 lines
2.2 KiB
#!/bin/sh |
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set -eu |
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: "${DEFAULT_DIST:=unstable}" |
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: "${cachedir:=./shared/cache}" |
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tmpdir="$(mktemp -d)" |
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cleanup() { |
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rv=$? |
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rm -f "$tmpdir/debian-$DEFAULT_DIST-overlay.qcow" |
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rm -f "$tmpdir/log" |
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[ -e "$tmpdir" ] && rmdir "$tmpdir" |
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if [ -n "${TAIL_PID:-}" ]; then |
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kill "$TAIL_PID" |
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fi |
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if [ -e shared/output.txt ]; then |
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res="$(cat shared/exitstatus.txt)" |
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if [ "$res" != "0" ]; then |
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# this might possibly overwrite another non-zero rv |
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rv=1 |
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fi |
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fi |
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exit $rv |
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} |
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trap cleanup INT TERM EXIT |
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ARCH=$(dpkg --print-architecture) |
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case $ARCH in |
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i386) |
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MACHINE="accel=kvm:tcg" |
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CODE="/usr/share/OVMF/OVMF32_CODE_4M.secboot.fd" |
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QEMUARCH="i386" |
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;; |
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amd64) |
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MACHINE="accel=kvm:tcg" |
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CODE="/usr/share/OVMF/OVMF_CODE.fd" |
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QEMUARCH="x86_64" |
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;; |
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arm64) |
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MACHINE="type=virt,gic-version=host,accel=kvm" |
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CODE="/usr/share/AAVMF/AAVMF_CODE.fd" |
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QEMUARCH="aarch64" |
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;; |
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*) echo "qemu kvm not supported on $ARCH" >&2;; |
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esac |
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echo 1 > shared/exitstatus.txt |
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if [ -e shared/output.txt ]; then |
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rm shared/output.txt |
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fi |
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touch shared/output.txt |
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tail -f shared/output.txt & |
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TAIL_PID=$! |
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# the path to debian-$DEFAULT_DIST.qcow must be absolute or otherwise qemu will |
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# look for the path relative to debian-$DEFAULT_DIST-overlay.qcow |
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qemu-img create -f qcow2 -b "$(realpath "$cachedir")/debian-$DEFAULT_DIST.qcow" -F qcow2 "$tmpdir/debian-$DEFAULT_DIST-overlay.qcow" |
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# to connect to serial use: |
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# minicom -D 'unix#/tmp/ttyS0' |
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# |
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# or this (quit with ctrl+q): |
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# socat stdin,raw,echo=0,escape=0x11 unix-connect:/tmp/ttyS0 |
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ret=0 |
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timeout --foreground 40m qemu-system-"$QEMUARCH" \ |
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-cpu host \ |
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-no-user-config \ |
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-M "$MACHINE" -m 4G -nographic \ |
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-object rng-random,filename=/dev/urandom,id=rng0 -device virtio-rng-pci,rng=rng0 \ |
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-monitor unix:/tmp/monitor,server,nowait \ |
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-serial unix:/tmp/ttyS0,server,nowait \ |
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-serial unix:/tmp/ttyS1,server,nowait \ |
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-net nic,model=virtio -net user \ |
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-drive if=pflash,format=raw,unit=0,read-only=on,file="$CODE" \ |
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-virtfs local,id=mmdebstrap,path="$(pwd)/shared",security_model=none,mount_tag=mmdebstrap \ |
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-drive file="$tmpdir/debian-$DEFAULT_DIST-overlay.qcow",cache=unsafe,index=0,if=virtio \ |
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>"$tmpdir/log" 2>&1 || ret=$? |
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if [ "$ret" -ne 0 ]; then |
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cat "$tmpdir/log" |
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exit $ret |
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fi
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