libdevuansdk/zlibs/vm

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#!/usr/bin/env zsh
# shellcheck shell=bash
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# Copyright (c) 2016-2021 Ivan J. <parazyd@dyne.org>
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# This file is part of libdevuansdk
#
# This source code is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This software is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this source code. If not, see <http://www.gnu.org/licenses/>.
vars+=(vmname)
vm_inject_overrides()
{
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fn vm_inject_overrides
req=(strapdir bootfs rootfs bootpart rootpart)
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ckreq || return 1
notice "Injecting rootfs overrides"
bootuuid="$(lsblk "$bootpart" -no UUID)"
rootuuid="$(lsblk "$rootpart" -no UUID)"
cat <<EOF | sudo tee -a "$strapdir/etc/fstab" >/dev/null
UUID=${rootuuid} / ${rootfs} defaults 0 1
UUID=${bootuuid} /boot ${bootfs} defaults 0 1
EOF
cat <<EOF | sudo tee "$strapdir/etc/rc.local" >/dev/null
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#!/bin/sh
# rc.local for base images
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[ -f /etc/ssh/ssh_host_rsa_key.pub ] || ssh-keygen -A
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exit 0
EOF
sudo chmod +x "$strapdir/etc/rc.local"
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sudo sed -i "$strapdir/etc/ssh/sshd_config" \
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-e 's/#PermitRootLogin .*/PermitRootLogin yes/' \
-e 's/PermitRootLogin .*/PermitRootLogin yes/' || { zerr; return 1; }
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}
vm_setup_grub()
{
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fn vm_setup_grub
req=(workdir loopdevice bootfs)
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ckreq || return 1
notice "Setting up grub"
cat <<EOF | sudo tee "$workdir/mnt/setupgrub" >/dev/null
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#!/bin/sh
grub-install "${loopdevice}" || exit 1
grub-mkconfig -o /boot/grub/grub.cfg || exit 1
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EOF
chroot-script -d "$workdir/mnt/setupgrub" || { zerr; return 1; }
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}
vm_pack_dist()
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{
fn vm_pack_dist
req=(R workdir image_name imageformat)
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ckreq || return 1
notice "Packing up built images"
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local _xzcomp=""
local _rsuffix="${imageformat}"
local _vsuffix="vdi"
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if [[ -n "$COMPRESS_IMAGE" ]]; then
if command -v pixz >/dev/null; then
_xzcomp="$(command -v pixz)"
else
_xzcomp="$(command -v xz)"
fi
_rsuffix="${imageformat}.xz"
_vsuffix="vdi.xz"
fi
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pushd "$workdir" || { zerr; return 1; }
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if [[ -n "$COMPRESS_IMAGE" ]]; then
act "Compressing images with $_xzcomp"
silly
$_xzcomp "${image_name}.${imageformat}" || { zerr; return 1; }
$_xzcomp "${image_name}.vdi" || { zerr; return 1; }
fi
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if [[ "$imageformat" != raw ]]; then
rm -f "${image_name}.img"
fi
act "Calculating sha256 checksums"
silly
sha256sum "${image_name}.${_rsuffix}" > "${image_name}.${_rsuffix}.sha256"
sha256sum "${image_name}.${_vsuffix}" > "${image_name}.${_vsuffix}.sha256"
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mkdir -p "$R/dist"
mv -v "${image_name}".* "$R/dist" || { zerr; return 1; }
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notice "Done! Thanks for being patient!"
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popd
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}