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39 lines
1.0 KiB
Bash
39 lines
1.0 KiB
Bash
2 years ago
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#!/bin/sh
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set -exu
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disk_size=4G
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dl_alpine() {
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tmpdir="$(mktemp --directory)"
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trap "rm $tmpdir" EXIT
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pushd "$tmpdir"
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# Setup GPG
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wget 'https://alpinelinux.org/keys/ncopa.asc'
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gpg --import ncopa.asc
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wget 'https://dl-cdn.alpinelinux.org/alpine/v3.15/releases/x86_64/alpine-virt-3.15.4-x86_64.iso' 'https://dl-cdn.alpinelinux.org/alpine/v3.15/releases/x86_64/alpine-virt-3.15.4-x86_64.iso.asc'
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gpg --verify alpine-virt-3.15.4-x86_64.iso.asc alpine-virt-3.15.4-x86_64.iso
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# Cleanup
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popd
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mv "$tmpdir/alpine-virt-3.15.4-x86_64.iso" .
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rm "$tmpdir/alpine-virt-3.15.4-x86_64.iso.asc" "$tmpdir/ncopa.asc"
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rmdir "$tmpdir"
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trap - EXIT
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}
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test -f alpine-virt-3.15.4-x86_64.iso || dl_alpine
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# Clean old disk
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test -f dummydisk.img && rm dummydisk.img
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qemu-img create -f raw dummydisk.img "$disk_size"
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# Launch installation
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# Basic VM is sufficient
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qemu-system-x86_64 -enable-kvm -m 2G -cdrom alpine-virt-3.15.4-x86_64.iso -drive media=disk,format=raw,file=dummydisk.img
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# Now the user has to run installation from the VM. See ./alpine_install for details.
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