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make ZRAM parameters configurable in defaults

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This commit is contained in:
Tobias Powalowski 2022-03-28 20:51:10 +02:00
parent 4449c02fa4
commit 2b8e576039
2 changed files with 19 additions and 9 deletions
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9
etc/archboot/defaults
View file

@ -1,9 +1,16 @@
# defaults for archboot
# packages to install (eg. firmware, kernel packages)
_PACKAGES="base linux linux-firmware"
# grub config to use
# grub setup
_GRUB_CONFIG="/usr/share/archboot/grub/archboot-main-grub.cfg"
_GRUB_BACKGROUND="/usr/share/archboot/grub/archboot-background.png"
### zram setup
_ZRAM_ALGORITHM="zstd"
_ZRAM_MAX_COMP_STREAMS="4"
# size for --latest and --latest-install option
_ZRAM_SIZE="3G"
# size used for --latest-image option
_ZRAM_IMAGE_SIZE="5G"
### server setup
# release directory
_DIR="$(date +%Y.%m)"

19
usr/bin/archboot-update-installer.sh
View file

@ -1,5 +1,6 @@
#!/usr/bin/env bash
# created by Tobias Powalowski <tpowa@archlinux.org>
. /etc/archboot/defaults
. /usr/lib/archboot/common.sh
_D_SCRIPTS=""
_L_COMPLETE=""
@ -25,12 +26,16 @@ kver() {
}
zram_mount() {
# add defaults
[[ -z "${_ZRAM_ALGORITHM}" ]] && _ZRAM_ALGORITHM="zstd"
[[ -z "${_ZRAM_MAX_COMP_STREAMS}" ]] && _ZRAM_MAX_COMP_STREAMS="4"
[[ -z "${1}" ]] && 1="5G"
modprobe zram
echo zstd >/sys/block/zram0/comp_algorithm
echo "${_DISKSIZE}" >/sys/block/zram0/disksize
echo 4 >/sys/block/zram0/max_comp_streams
echo "${_ZRAM_ALGORITHM}" >/sys/block/zram0/comp_algorithm
echo "${1}" >/sys/block/zram0/disksize
echo "${_ZRAM_MAX_COMP_STREAMS}" >/sys/block/zram0/max_comp_streams
echo "Creating btrfs filesystem with ${_DISKSIZE} on /dev/zram0 ..." > /dev/tty7
mkfs.btrfs --mixed /dev/zram0 > /dev/null 2>&1 || exit 1
mkfs.btrfs -q --mixed /dev/zram0 > /dev/tty7 2>&1
mkdir "${_W_DIR}"
# use -o discard for RAM cleaning on delete
# (online fstrimming the block device!)
@ -133,8 +138,7 @@ if [[ "${_L_COMPLETE}" == "1" || "${_L_INSTALL_COMPLETE}" == "1" ]]; then
exit 1
fi
touch /.update-installer
_DISKSIZE="3G"
zram_mount
zram_mount "${_ZRAM_SIZE}"
echo -e "\033[1mStep 1/9:\033[0m Removing not necessary files from / ..."
clean_archboot
echo -e "\033[1mStep 2/9:\033[0m Waiting for gpg pacman keyring import to finish ..."
@ -222,8 +226,7 @@ fi
# Generate new images
if [[ "${_G_RELEASE}" == "1" ]]; then
_DISKSIZE="5G"
zram_mount
zram_mount "${_ZRAM_SIZE_RELEASE}"
echo -e "\033[1mStep 1/2:\033[0m Removing not necessary files from / ..."
clean_archboot
echo -e "\033[1mStep 2/2:\033[0m Generating new iso files in ${_W_DIR} now ..."