scripts/ceph/remove.lvm-osd

79 lines
2.2 KiB
Bash
Executable File
Raw Blame History

This file contains invisible Unicode characters

This file contains invisible Unicode characters that are indistinguishable to humans but may be processed differently by a computer. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

#!/bin/sh
# This script intend to generate another temp script with the differents
# commands to remove a Ceph-OSD previously generated with `ceph-volume lvm`
# Give the OSD number to remove as first argument
OSD_ID_TO_REMOVE="${1}"
## Colors definition {{{
BLACK='\033[49;30m'
BLACKB='\033[49;90m'
RED='\033[0;31m'
REDB='\033[1;31m'
GREEN='\033[0;32m'
YELLOW='\033[0;33m'
BLUE='\033[94;49m'
MAGENTA='\033[0;35m'
CYAN='\033[36;49m'
WHITE='\033[0;37m'
BOLD='\033[1m'
RESET='\033[0m'
## }}}
# Test the first argument
if [ -z "${OSD_ID_TO_REMOVE}" ]; then
printf '%b\n' "${REDB}You should give the OSD_ID to remove as first argument.${RESET}"
exit 1
fi
# Path of the temp generated script
temp_script="/tmp/lvm-osd.to.remove.sh"
# Get all informations
osd_path="/var/lib/ceph/osd/ceph-${OSD_ID_TO_REMOVE}"
lv_path=$(file /var/lib/ceph/osd/ceph-"${OSD_ID_TO_REMOVE}"/block | cut -d" " -f5)
vg_name=$(lvs --noheadings -o vg_name "${lv_path}" | tr -d ' ')
pv_path=$(lvs --noheadings -o devices "${lv_path}" | sed 's;.*\(/dev/...\).*;\1;')
# Tests {{{
# }}}
printf '%b\n' "OSD path to umount then to remove: ${REDB}${osd_path}${RESET}"
printf '%b\n' "OSD_ID to remove: ${REDB}${OSD_ID_TO_REMOVE}${RESET}"
if [ ! -L "${lv_path}" ]; then
printf '%b\n' "The logical volume doesn't seems to exists."
printf '%b\n' "${REDB}It might be better to manually purge the OSD.${RESET}"
else
printf '%b\n' "Logical Volume to remove: ${REDB}${lv_path}${RESET}"
fi
printf '%b\n' "Volume Group to remove: ${REDB}${vg_name}${RESET}"
printf '%b\n' "Physical volume to remove: ${REDB}${pv_path}${RESET}"
# Generate a temp script with the expected commands
rm -rf -- "${temp_script}"
touch -- "${temp_script}"
chmod +x -- "${temp_script}"
printf '%b\n' "#!/bin/sh" >> "${temp_script}"
## Umount the OSD
printf '%b\n' "umount ${osd_path}" >> "${temp_script}"
## Remove mount path
printf '%b\n' "rmdir -- ${osd_path}" >> "${temp_script}"
## Remove the LV
printf '%b\n' "lvremove ${lv_path}" >> "${temp_script}"
## Remove the VG
printf '%b\n' "vgremove ${vg_name}" >> "${temp_script}"
## Remove the PV
printf '%b\n' "pvremove ${pv_path}" >> "${temp_script}"
printf '%b\n' "A temp script with expected commands is available to: ${GREEN}${temp_script}${RESET}"
exit 0