ef1f976faa
In earlier commits it was noted that we aren't as complete as we could be with the scripts in launch. This commit removes detection of yum as a package manager (which stopped being a real thin in CentOS-7). And creates a more complete list of tools used in the appropriate scripts Change-Id: I4cd05da18155169fd640c06a151467aed6112a3d
134 lines
3.9 KiB
Bash
134 lines
3.9 KiB
Bash
#!/usr/bin/env bash
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# Copyright 2023 Red Hat, Inc. All rights reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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# NOTE(tonyb): set and shopts are done after CLI parsing for brevity.
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function usage {
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echo "$(basename $0): -d [device] -g [vg name] -v [volume spec]"
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echo " [device]: The device path to use as the Physical Volume: eg /dev/sdb"
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echo " [vg name]: The name for the new Volume Group: eg main"
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echo " [volume spec]: A colon ':' separated specification for a volume to create."
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echo " This contains 3 parts"
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echo " <name>: The Logical Volume name: eg afscache"
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echo " <size>: The size (in extents) for the Logical Volume: eg 50%VG"
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echo " <mount point>: The mount point for the volume: eg /var/cache/afscache"
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echo ""
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echo "NOTE: This script doesn't need to know the full size of the volume"
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echo ""
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echo "Example invocation:"
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echo "# $(basename $0) -d /dev/sdb -g main -v afscache:50%VG:/var/cache/openafs -v proxycache:50%VG:/var/cache/apache2"
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}
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declare -a VOLUMES=()
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while [ $# -gt 0 ] ; do
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case "$1" in
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-d|--device)
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PV_DEVICE="${2}"
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shift 1
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;;
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-g|--group)
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VOLUME_GROUP="${2}"
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shift 1
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;;
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-v|--volume)
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VOLUMES+=("${2}")
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shift 1
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;;
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--help)
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usage
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exit 0
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;;
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*)
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echo "Unkown arg: '$1'"
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echo ""
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usage
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exit 1
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;;
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esac
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shift 1
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done
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if [ -z "${PV_DEVICE}" ] ; then
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echo "You need to specify a device. Aborting"
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usage
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exit 1
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fi
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if [ -z "${VOLUME_GROUP}" ] ; then
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echo "You need to specify a volume group name. Aborting"
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usage
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exit 1
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fi
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if [ -z "${VOLUMES[*]}" ] ; then
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echo "You need to specify at least one volume. Aborting"
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usage
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exit 1
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fi
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if [ "$(id -u)" -ne 0 ] ; then
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echo "You need to have root permissions for this script to run. Aborting."
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echo ""
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usage
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exit 1
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fi
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# Sanity check that we don't break anything that already has an fs.
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if blkid | grep -q $PV_DEVICE ; then
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echo "$PV_DEVICE appears in blkid. Aborting."
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blkid
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exit 1
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fi
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# NOTE: This isn't expected to install any packages but just in case let us
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# list the script requirements here
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apt-get update && apt-get install -y e2fsprogs lvm2 parted perl
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set -xeuo pipefail
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parted --script $PV_DEVICE mklabel msdos mkpart primary 0% 100% set 1 lvm on
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partprobe -s $PV_DEVICE
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pvcreate ${PV_DEVICE}1
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vgcreate ${VOLUME_GROUP} ${PV_DEVICE}1
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for vol_spec in "${VOLUMES[@]}"; do
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IFS=:
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set -- $vol_spec
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VOLUME_NAME="$1"
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VOLUME_SIZE="$2"
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VOLUME_MOUNT="$3"
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VOLUME_DEVICE="/dev/${VOLUME_GROUP}/${VOLUME_NAME}"
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lvcreate -l "${VOLUME_SIZE}" -n $VOLUME_NAME ${VOLUME_GROUP}
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mkfs.ext4 -m 0 -j -L $VOLUME_NAME ${VOLUME_DEVICE}
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tune2fs -i 0 -c 0 ${VOLUME_DEVICE}
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# Remove existing fstab entries for this device.
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# TODO(tonyb): Should this be a pre-check and error rather than silently cleaning it up
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# We could also add a flag to do this eg '--fstab-cleanup' or '--permissive'.
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# This applies to othre scripts in this dir
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perl -nle "m,${VOLUME_DEVICE}, || print" -i /etc/fstab
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if [ ! -d "$VOLUME_MOUNT" ] ; then
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mkdir -p "$VOLUME_MOUNT"
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fi
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echo "${VOLUME_DEVICE} ${VOLUME_MOUNT} ext4 errors=remount-ro,barrier=0 0 2" >> /etc/fstab
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done
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exit 0
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