Add lvm
This commit is contained in:
jalr
parent
78b8cc385f
commit
f759784652
2 changed files with 144 additions and 137 deletions
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@ -29,6 +29,12 @@
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"source": "initramfs/labsync",
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"destination": "/etc/initramfs-tools/scripts/"
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},
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{
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"type": "shell",
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"inline": [
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"sed -i 's/@@CI_REPOSITORY_URL@@/{{user `ci_repository_url`}}/' /etc/initramfs-tools/scripts/labsync"
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]
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},
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{
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"type": "file",
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"source": "initramfs/labsync-prereqs",
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@ -44,7 +50,7 @@
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"echo \"commit ref slug: {{user `ci_commit_ref_slug`}}\" >> /.build-info",
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"apt-get update",
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"apt-get -y dist-upgrade",
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"apt-get -y install aria2 initramfs-tools linux-image-amd64 openssh-server python",
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"apt-get -y install aria2 initramfs-tools linux-image-amd64 lvm2 openssh-server python",
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"echo 'RESUME=none' > /etc/initramfs-tools/conf.d/resume",
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"echo squashfs >> /etc/initramfs-tools/modules",
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"echo overlay >> /etc/initramfs-tools/modules",
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@ -1,152 +1,153 @@
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#!/bin/sh
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labsync_mount_root() {
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##
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# FUNCTION DEFINITIONS
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##
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labsync_create_or_resize_lv() {
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vg="$1"
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lv="$2"
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new_size_bytes="$3"
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minimum_size_bytes="$4"
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current_lv_size_bytes="$(lvm lvs "$vg/$lv" -o LV_SIZE --noheadings --units b --nosuffix 2>/dev/null | sed 's/\s//g')"
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print_waiting() {
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echo -en "\033[36m${1}... \033[0m"
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}
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print_warning() {
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echo -e "\n\033[31mWARNING: ${1}\033[0m"
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}
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print_done() {
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echo -e "\033[32mdone.\033[0m"
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}
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error_fatal() {
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print_warning "$1; interrupting startup"
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while sleep 3600;do sleep 3600;done
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}
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##
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# SHOW BRANDING
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##
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echo -e '
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Starting
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""# #
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# mmm #mmm mmm m m m mm mmm
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# " # #" "# # " "m m" #" # #" "
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# m"""# # # """m #m# # # #
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"mm "mm"# ##m#" "mmm" "# # # "#mm"
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m"
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""
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https://gitlab.jalr.de/fablab/initramfs
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'
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# Check if mandatory parameters are missing
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if [ -z "$disk" ];then
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error_fatal "The disk parameter is missing"
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if [ -z "$current_lv_size_bytes" ]; then
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# no size returned, it's likely that lv doesn't exist
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lvm lvcreate -L ${new_size_bytes}b -n "$lv" "$vg"
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elif [ "$minimum_size_bytes" != "" ] && [ $minimum_size_bytes -gt 0 ]; then
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# lv already exists
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if [ $current_lv_size_bytes -lt $minimum_size_bytes ]; then
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lvm lvextend -L ${new_size_bytes}b "$vg/$lv"
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fi
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fi
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if [ -z "$partsize" ];then
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error_fatal "The partsize parameter is missing"
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fi
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if [ -z "$torrent" ];then
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error_fatal "The torrent parameter is missing"
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fi
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if [ -z "$torrent_file" ];then
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error_fatal "The torrent_file parameter is missing"
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fi
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print_done
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}
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##
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# PARTITIONING OF DISK
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##
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size_part_1=$(($partsize * 1024 * 1024 / 512))
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parttable="label: dos
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label-id: 0xdeadbeef
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device: $disk
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unit: sectors
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$root : start= 2048, size= $size_part_1, type=83"
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readtable="$(sfdisk -d $disk)" # wtf? but it is needed
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print_waiting "Checking partition tables"
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if [ "$parttable" != "$readtable" ];then
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print_done
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print_waiting "Partition tables do not match; partitioning disk"
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rewrite_rootfs=true
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sfdisk -q $disk << PARTTABLE
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$parttable
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PARTTABLE
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print_done
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else
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print_done
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fi
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##
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# TEMPORARY NETWORK CONFIG (only for qemu)
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##
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configure_networking
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#if ! [ -z "$qemu" ];then
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# print_waiting "Setting up temporary network config"
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# ip addr add 10.2.2.2/24 dev ens3
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# ip link set ens3 up
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# print_done
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#else
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# print_waiting "Setting up interfaces with DHCP"
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# ipconfig all
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# print_done
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#fi
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##
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# DOWNLOAD SQUASHFS
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##
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print_waiting "Downloading root filesystem image via $torrent"
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# --allow-overwrite: do not rename the torrent file
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# --check-integrity: verify downloaded file and do not complain about missing controll file
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# --seed-time=0: do not wait until ratio 1, we seed when we’re booted
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# --summary-interval=0: do not show summary while downloading
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# --console-log-level=error: Only show errors
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# --download-result=hide: Do not show download results
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ip a
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sleep 1
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#wget -O /tmp/torrent "$torrent"
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(cd /tmp
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ln -s "${disk}1" "$torrent_file"
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aria2c \
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--allow-overwrite \
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--check-integrity \
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--seed-time=0 \
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--summary-interval=10 \
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--file-allocation=none \
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--enable-dht=false \
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"$torrent"
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)
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print_done
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modprobe overlay
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mkdir -p /root
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mkdir /ro_root /rw_root
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mount -t squashfs /dev/sda1 /ro_root
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mke2fs -q -F -t ext4 /dev/sdb1
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mount -t ext4 /dev/sdb1 /rw_root
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mkdir -p /rw_root/upper /rw_root/work
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mount -t overlay overlay -o lowerdir=/ro_root,upperdir=/rw_root/upper,workdir=/rw_root/work /root
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sleep 10
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labsync_info() {
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echo -e "\n\033[36m${1}... \033[0m"
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}
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labsync_warn() {
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echo -e "\n\033[31mWARNING: ${1}\033[0m"
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}
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labsync_err() {
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labsync_warn "$1; interrupting startup"
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read x
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}
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labsync_top() {
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:
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# Check if mandatory parameters are missing
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if [ -z "${labsync_disk}" ]; then
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labsync_err "The disk parameter is missing"
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fi
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if [ -z "${labsync_partsize_boot}" ]; then
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labsync_err "The partsize_boot parameter is missing"
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fi
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if [ -z "${labsync_torrent}" ]; then
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labsync_err "The torrent parameter is missing"
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fi
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cat << EOM
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Starting
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""# #
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# mmm #mmm mmm m m m mm mmm
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# " # #" "# # " "m m" #" # #" "
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# m"""# # # """m #m# # # #
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"mm "mm"# ##m#" "mmm" "# # # "#mm"
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m"
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""
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@@CI_REPOSITORY_URL@@
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EOM
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}
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labsync_premount() {
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:
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labsync_info "Configuring networking"
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configure_networking
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}
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labsync_mount_root() {
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labsync_info "Downloading torrent file from ${labsync_torrent}"
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while ! wget -T 10 -O /tmp/torrent "${labsync_torrent}"; do sleep 1; done
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aria2c -S -T /tmp/torrent > /tmp/torrent_info
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squashfs_file="$(sed -n '/idx|path\/length/,${s/\s*1|\(.*\)$/\1/p}' /tmp/torrent_info)"
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image_size_bytes="$(sed -n 's/Total Length: .*(\([0-9,]*\)).*$/\1/p' /tmp/torrent_info | tr -d ',')"
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torrent_name="$(sed -n 's/^Name: \(.*\)$/\1/p' /tmp/torrent_info)"
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labsync_info "Updating partitions"
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size_disk=$(blockdev --getsz ${labsync_disk})
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size_part_1=$((labsync_partsize_boot * 1024 * 1024 / 512))
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size_part_2=$(((size_disk - labsync_partsize_boot) * 1024 * 1024 / 512))
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start_part_2=$((size_part_1 + 2048))
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sfdisk -q ${labsync_disk} << PARTTABLE
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label: dos
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label-id: 0xdeadbeef
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device: ${labsync_disk}
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unit: sectors
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${labsync_disk}1 : start= 2048, size= $size_part_1, type=83
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${labsync_disk}2 : start=$start_part_2, size= $size_part_2, type=8e
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PARTTABLE
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labsync_info "Doing lvm stuff"
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pv_device="${labsync_disk}2"
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vg_name="vglab"
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lv_name_sqashfs="sqfs-$torrent_name"
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lv_name_overlay="ovly-$torrent_name"
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lvm pvcreate -t "$pv_device"
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pvstatus=$?
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if [ $pvstatus -eq 0 ]; then
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# is not a physical volume
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lvm pvcreate "$pv_device"
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fi
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lvm vgcreate -t "$vg_name" "$pv_device"
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vgstatus=$?
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if [ $? -eq 0 ]; then
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lvm vgcreate "$vg_name" "$pv_device"
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fi
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labsync_create_or_resize_lv "$vg_name" "$lv_name_sqashfs" $((image_size_bytes * 2)) $image_size_bytes
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labsync_create_or_resize_lv "$vg_name" "$lv_name_overlay" $((500 * 1024 * 1024))
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#lvm vgchange -ay "$vg_name"
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#lvm lvscan -a --ignorelockingfailure
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#lvm lvchange -aly --ignorelockingfailure "$vg_name/$lv_name_sqashfs"
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lv_path_squashfs="$(lvm lvs "$vg_name/$lv_name_sqashfs" -o LV_PATH --noheadings --units b --nosuffix | sed 's/\s//g')"
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lv_path_overlay="$(lvm lvs "$vg_name/$lv_name_overlay" -o LV_PATH --noheadings --units b --nosuffix | sed 's/\s//g')"
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labsync_info "Downloading squashfs image $squashfs_file to $lv_path_squashfs"
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(cd /tmp
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ln -s "$(realpath "$lv_path_squashfs")" "$squashfs_file"
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aria2c \
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--console-log-level=warn \
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--allow-overwrite \
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--check-integrity \
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--seed-time=0 \
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--summary-interval=0 \
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--file-allocation=none \
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--enable-dht=false \
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/tmp/torrent
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)
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labsync_info "Mounting squashfs and overlay"
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modprobe overlay
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mkdir -p /root
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mkdir /ro_root /rw_root
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mount -t squashfs "$(realpath "$lv_path_squashfs")" /ro_root
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mke2fs -q -F -t ext4 "$lv_path_overlay"
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mount -t ext4 "$lv_path_overlay" /rw_root
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mkdir -p /rw_root/upper /rw_root/work
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mount -t overlay overlay -o lowerdir=/ro_root,upperdir=/rw_root/upper,workdir=/rw_root/work /root
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case "$labsync_wait" in
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pause)
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read x
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;;
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*)
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sleep $labsync_wait
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;;
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esac
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}
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labsync_bottom() {
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