2019-07-03 10:05:56 +02:00
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#!/bin/sh
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# This script intend to generate another temp script with the differents
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# commands to remove a Ceph-OSD previously generated with `ceph-volume lvm`
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# Give the OSD number to remove as first argument
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OSD_ID_TO_REMOVE="${1}"
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## Colors definition {{{
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BLACK='\033[49;30m'
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BLACKB='\033[49;90m'
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RED='\033[0;31m'
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REDB='\033[1;31m'
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GREEN='\033[0;32m'
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YELLOW='\033[0;33m'
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BLUE='\033[94;49m'
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MAGENTA='\033[0;35m'
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CYAN='\033[36;49m'
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WHITE='\033[0;37m'
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BOLD='\033[1m'
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RESET='\033[0m'
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## }}}
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# Test the first argument
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if [ -z "${OSD_ID_TO_REMOVE}" ]; then
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printf '%b\n' "${REDB}You should give the OSD_ID to remove as first argument.${RESET}"
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exit 1
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fi
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# Path of the temp generated script
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temp_script="/tmp/lvm-osd.to.remove.sh"
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# Get all informations
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osd_path="/var/lib/ceph/osd/ceph-${OSD_ID_TO_REMOVE}"
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lv_path=$(file /var/lib/ceph/osd/ceph-"${OSD_ID_TO_REMOVE}"/block | cut -d" " -f5)
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vg_name=$(lvs --noheadings -o vg_name "${lv_path}" | tr -d ' ')
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pv_path=$(lvs --noheadings -o devices "${lv_path}" | sed 's;.*\(/dev/...\).*;\1;')
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# Tests {{{
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# }}}
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printf '%b\n' "OSD path to umount then to remove : ${REDB}${osd_path}${RESET}"
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printf '%b\n' "OSD_ID to remove : ${REDB}${OSD_ID_TO_REMOVE}${RESET}"
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if [ ! -L "${lv_path}" ]; then
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printf '%b\n' "The logical volume doesn't seems to exists."
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printf '%b\n' "${REDB}It might be better to manually purge the OSD.${RESET}"
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else
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printf '%b\n' "Logical Volume to remove : ${REDB}${lv_path}${RESET}"
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fi
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printf '%b\n' "Volume Group to remove : ${REDB}${vg_name}${RESET}"
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printf '%b\n' "Physical volume to remove : ${REDB}${pv_path}${RESET}"
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# Generate a temp script with the expected commands
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rm -rf -- "${temp_script}"
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touch -- "${temp_script}"
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2019-07-03 10:12:46 +02:00
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chmod +x -- "${temp_script}"
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2019-07-03 10:05:56 +02:00
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printf '%b\n' "#!/bin/sh" >> "${temp_script}"
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## Umount the OSD
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printf '%b\n' "umount ${osd_path}" >> "${temp_script}"
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## Remove mount path
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printf '%b\n' "rmdir -- ${osd_path}" >> "${temp_script}"
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## Remove the LV
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printf '%b\n' "lvremove ${lv_path}" >> "${temp_script}"
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## Remove the VG
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printf '%b\n' "vgremove ${vg_name}" >> "${temp_script}"
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## Remove the PV
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printf '%b\n' "pvremove ${pv_path}" >> "${temp_script}"
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printf '%b\n' "A temp script with expected commands is available to : ${GREEN}${temp_script}${RESET}"
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exit 0
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