tadd basic imaging - libdevuansdk - common library for devuan's simple distro kits
HTML git clone https://git.parazyd.org/libdevuansdk
DIR Log
DIR Files
DIR Refs
DIR Submodules
DIR README
DIR LICENSE
---
DIR commit 47464d636879875f9cd2cb865912756fff815559
DIR parent 91b1f24e1cfa25ada9fa7a6bb8758a08a4ca2ecd
HTML Author: parazyd <parazyd@dyne.org>
Date: Thu, 29 Sep 2016 22:36:12 +0200
add basic imaging
Diffstat:
M config | 2 ++
M libdevuansdk | 1 +
M zlibs/bootstrap | 7 +++++--
M zlibs/helpers | 13 +++++++++++++
A zlibs/imaging | 92 +++++++++++++++++++++++++++++++
5 files changed, 113 insertions(+), 2 deletions(-)
---
DIR diff --git a/config b/config
t@@ -28,6 +28,8 @@ version="1.0.0-beta"
mirror="http://packages.devuan.org/merged"
section="main"
+image_name=${image_name:-$os_$release_$version_$arch.img}
+
core_packages=(
devuan_keyring
debian_keyring
DIR diff --git a/libdevuansdk b/libdevuansdk
t@@ -23,6 +23,7 @@ LIBPATH=${LIBPATH:-`dirname $0`}
source $LIBPATH/config
source $LIBPATH/zlibs/bootstrap
source $LIBPATH/zlibs/helpers
+source $LIBPATH/zlibs/imaging
source $LIBPATH/zlibs/sysconf
vars+=(libdevuansdk_version)
DIR diff --git a/zlibs/bootstrap b/zlibs/bootstrap
t@@ -19,8 +19,8 @@
vars+=(bootstrap_tgz)
-bootstrap() {
- fn bootstrap "$@"
+bootstrap_complete_base() {
+ fn bootstrap_complete_base "$@"
req=(arch)
ckreq || return 1
t@@ -55,6 +55,9 @@ bootstrap() {
conf_print_networkifaces | sudo tee $strapdir/etc/network/interfaces
conf_print_resolvconf | sudo tee $strapdir/etc/resolv.conf
conf_print_sourceslist | sudo tee $strapdir/etc/apt/sources.list
+ ## below typically used in arm-sdk
+ [[ -n $inittap ]] && { print $inittab | sudo tee -a $strapdir/etc/inittab }
+ for i in $custmodules; do print $i | sudo tee -a $strapdir/etc/modules; done
## write third-stage for chroot
bootstrap_config_thirdstage | sudo tee $strapdir/thirdstage
DIR diff --git a/zlibs/helpers b/zlibs/helpers
t@@ -39,6 +39,19 @@ devprocsys() {
fi
}
+findloopmapp() {
+ fn findloopmapp
+ req=(workdir image_name)
+ ckreq || return 1
+
+ notice "finding a free loopdevice"
+
+ loopdevice=$(sudo losetup -f --show $workdir/${image_name}.img)
+ mappdevice=$(sudo kpartx -va $loopdevice | sed -E 's/.*(loop[0-9])p.*/\1/g' | sed 1q)
+ func "loopdevice: $loopdevice"
+ func "mappdevice: $mappdevice"
+}
+
silly() {
fn silly "$@"
local arg1="$1"
DIR diff --git a/zlibs/imaging b/zlibs/imaging
t@@ -0,0 +1,92 @@
+#!/usr/bin/env zsh
+# Copyright (c) 2016 Dyne.org Foundation
+# libdevuansdk is maintained by Ivan J. <parazyd@dyne.org>
+#
+# This file is part of libdevuansdk
+#
+# This source code is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This software is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this source code. If not, see <http://www.gnu.org/licenses/>.
+
+## imagine images
+
+vars+=(image_name bootpart rootpart)
+
+image_prepare_raw() {
+ fn image_prepare_raw
+ req=(workdir size image_name)
+ ckreq || return 1
+
+ notice "creating raw image file from zeroes..."
+
+ dd if=/dev/zero \
+ of=$workdir/${image_name}.img \
+ bs=1M \
+ count=$size
+}
+
+image_partition_raw_dos() {
+ fn image_partition_raw_dos
+ req=(workdir image_name parted_boot parted_root)
+ ckreq || return 1
+
+ notice "partitioning raw dos image..."
+
+ parted $workdir/${image_name}.img --script -- mklabel msdos
+ parted $workdir/${image_name}.img --script -- mkpart primary ${parted_boot}
+ parted $workdir/${image_name}.img --script -- mkpart primary ${parted_root}
+
+ ## get loopdevice and mapper device (see ./helpers)
+ findloopmapp
+
+ mappdevice="/dev/mapper/$mappdevice"
+ bootpart=${mappdevice}p1
+ rootpart=${mappdevice}p2
+
+ notice "formatting partitions..."
+ sudo mkfs.vfat $bootpart
+ sudo mkfs.ext4 $rootpart
+}
+
+image_partition_raw_gpt() {
+ fn image_partition_raw_gpt
+ req=(workdir image_name)
+ ckreq || return 1
+
+ notice "partitioning raw gpt image..."
+
+ parted $workdir/${image_name}.img --script -- mklabel gpt
+ cgpt create -z ${image_name}.img
+ cgpt create ${image_name}.img
+ cgpt add -i 1 -t kernel -b 8192 -s 32768 -l kernel -S 1 -T 5 -P 10 ${image_name}.img
+ cgpt add -i 2 -t data -b 40960 -s $(expr $(cgpt show ${image_name}.img \
+ | awk '/Sec GPT table/ {print \$1}') - 40960) -l Root ${image_name}.img
+
+ findloopmapp
+
+ mappdevice="/dev/mapper/${mappdevice}"
+ bootpart=${mappdevice}p1
+ rootpart=${mappdevice}p2
+
+ notice "formatting partitions..."
+ sudo mkfs.ext4 -L rootfs $rootpart
+}
+
+image_raw_mount() {
+ fn image_raw_mount
+ req=(workdir bootpart rootpart)
+ ckreq || return 1
+
+ mkdir -p $workdir/boot $workdir/root
+ sudo mount $bootpart $workdir/boot && act "mounted boot partition" || zerr
+ sudo mount $rootpart $workdir/root && act "mounted root partition" || zerr
+}