46 lines
1.3 KiB
Bash
Executable File
46 lines
1.3 KiB
Bash
Executable File
#!/bin/sh
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set -eu
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export LC_ALL=C
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SRC_DIR=$(CDPATH='' cd -- "$(dirname -- "${0:?}")" && pwd -P)
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TMP_DIR=$(mktemp -d)
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ORIGINAL_DISK=${SRC_DIR:?}/dist/qemu/wireguard.qcow2
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SNAPSHOT_DISK=${TMP_DIR:?}/snapshot.qcow2
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USERDATA_YAML=${SRC_DIR:?}/qemu/http/seed/user-data
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USERDATA_DISK=${TMP_DIR:?}/seed.img
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# Remove temporary files on exit
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# shellcheck disable=SC2154
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trap 'ret="$?"; rm -rf -- "${TMP_DIR:?}"; trap - EXIT; exit "${ret:?}"' EXIT TERM INT HUP
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# Create a snapshot image to preserve the original image
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qemu-img create -b "${ORIGINAL_DISK:?}" -f qcow2 "${SNAPSHOT_DISK:?}"
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qemu-img resize "${SNAPSHOT_DISK:?}" +2G
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# Create a seed image with metadata using cloud-localds
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cloud-localds "${USERDATA_DISK:?}" "${USERDATA_YAML:?}"
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# Remove keys from the known_hosts file
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ssh-keygen -R '[127.0.0.1]:1122' 2>/dev/null
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ssh-keygen -R '[localhost]:1122' 2>/dev/null
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# hostfwd helper
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hostfwd() { printf ',hostfwd=%s::%s-:%s' "$@"; }
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# Launch VM
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qemu-system-x86_64 \
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-enable-kvm -smp 1 -m 512 \
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-nographic -serial mon:stdio \
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-device e1000,netdev=n0 \
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-netdev user,id=n0"$(hostfwd \
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tcp 1122 122 \
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udp 51820 51820 \
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udp 1053 53 \
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tcp 1443 443 \
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)" \
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-drive file="${SNAPSHOT_DISK:?}",if=virtio,format=qcow2 \
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-drive file="${USERDATA_DISK:?}",if=virtio,format=raw
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