--- /dev/null
+#!/bin/sh
+# Copyright (C) 2003 Cluster File Systems, Inc.
+# Create a Lustre configuration file
+#
+# Usage: lwizard
+#
+# Jerrifer <jerrifer@clusterfs.com>
+# wangdi <wangdi@clusterfs.com>
+
+# fatal error to exit
+fatal()
+{
+ if [ "$#" -gt "1" ]; then
+ echo
+ echo "$2"
+ exit 1
+ fi
+
+ exit 1
+}
+
+#print usage and exit
+usage()
+{
+ cat <<EOF
+Usage: ${0##*/} [OPTIONS]...
+
+${0##*/} asks the user questions about their cluster configuration,
+and writes an appropriate configuration file to config.xml.
+
+Options:
+ --batch=FILE
+ save lmc batch commands to FILE
+ -o, --file=FILE
+ write Lustre configuration to FILE (default: lwizard.xml)
+ -f, --force
+ force existing files to be overwritten
+ --help
+ to get this help
+ --stripe_size=SIZE
+ size (in KB) of each stripe on an OST (default: 64)
+ --stripe_count=COUNT
+ the number of OSTs files are striped to (default: 1)
+EOF
+
+ exit 0
+}
+
+# check if $1 is a number
+check_number()
+{
+ local num=$(expr "$1" : "[0-9]*$")
+ if [ $num -gt "0" ]; then
+ return 0
+ fi
+
+ return 1
+}
+
+# parse options of this shell
+LMC_BATCH_FILE=
+RM_BATCH_FILE=1
+FORCE=0
+get_option()
+{
+ local long_options="batch:,file:,force:,help,stripe_size:,stripe_count:"
+ local options
+
+ options=$(getopt -o o:hf --long "$long_options" -- "$@")
+
+ if [ $? -ne 0 ] ; then
+ usage
+ fi
+ eval set -- "$options"
+
+ while true ; do
+ case "$1" in
+ --batch)
+ LMC_BATCH_FILE=$2
+ RM_BATCH_FILE=0
+ shift 2
+ ;;
+ -o | --file)
+ CONFIG_FILE=$2
+ shift 2
+ ;;
+ -f | --force)
+ FORCE=1
+ shift
+ ;;
+ --stripe_count)
+ STRIPE_CNT=$2
+ check_number $STRIPE_CNT || \
+ fatal 1 "Stripe count should be a number."
+ shift 2
+ ;;
+ --stripe_size)
+ STRIPE_SIZE=$(($2 * 1024))
+ check_number $STRIPE_SIZE || \
+ fatal 1 "Stripe size should be a number."
+ shift 2
+ ;;
+ -h | --help)
+ usage
+ ;;
+ --)
+ shift 1
+ break
+ esac
+ done
+}
+
+# if $1 in $2
+in_list()
+{
+ local node
+
+ for node in $2 ; do
+ [ "$1" = "$node" ] && return 0
+ done
+ return 1
+ }
+
+# read device size from user and check devive size and convert device
+# size to *K
+
+get_device_size()
+{
+ local size
+ local tail
+
+ read size
+ if [ -z $size ]; then
+ device_size="0"
+ return 0
+ fi
+
+ device_size=$(echo $size | awk -F[a-z,A-Z] '{print $1; }')
+ [ -z $device_size ] && return 1
+ tail=$(echo $size | awk -F$device_size '{print $2; }')
+ [ -z $tail ] && return 0
+ case $tail in
+ k | K)
+ ;;
+ m | M)
+ (( device_size *= 1024 ))
+ ;;
+ t | T)
+ (( device_size *= (1024 * 1024) ))
+ ;;
+ *)
+ return 1
+ ;;
+ esac
+
+ return 0
+}
+
+# ask user some questions to add a device
+add_device()
+{
+ local hostnames
+ local device
+ local device_size
+
+ echo "Creating $1 \"$1$2\"..."
+ if [ "$2" -gt "1" ]; then
+ echo -n "Please enter the hostname(s) for $1$2, or just hit enter to finish: "
+ else
+ echo -n "Please enter the hostname(s) for $1$2: "
+ fi
+ read hostnames
+
+ if [ -z "$hostnames" ] ; then
+ return 1
+ fi
+
+ for hostname in $hostnames ; do
+ device=
+ while [ -z "$device" ] ; do
+ echo -n "Please enter the device or loop file name for $1$2 on ${hostname}: "
+ read device
+ echo -n "Please enter the device size or 0 to use entire device: "
+ while ! get_device_size ; do
+ echo -n "Please enter the device size or 0 to use entire device: "
+ done
+ done
+ newdev="$hostname:$device:$2:$1$2:$CURRENT_MDS:$CURRENT_LOV:$device_size"
+ DEVICE_LIST="$DEVICE_LIST $newdev"
+ done
+
+ return 0
+}
+
+cur_mds_id=1
+
+# get mds information
+add_mds()
+{
+ CURRENT_LOV=
+ CURRENT_MDS=
+ add_device "mds" "$cur_mds_id" || return 1
+ CURRENT_LOV="lov$cur_mds_id"
+ CURRENT_MDS="mds$cur_mds_id"
+
+ DEVICE_LIST="$DEVICE_LIST *:*:lov:$CURRENT_LOV:$CURRENT_MDS:*:"
+
+ (( cur_mds_id++ ))
+ return 0
+}
+
+cur_ost_id=1
+
+# ask user to add ost
+add_ost()
+{
+ # We have to add one...
+ while ! add_device "ost" "$cur_ost_id" ; do
+ true
+ done
+
+ (( cur_ost_id++ ))
+
+ # ...and maybe more
+ while add_device "ost" "$cur_ost_id" ; do
+ (( cur_ost_id++ ))
+ done
+ return 0
+}
+
+cur_cli_id=1
+
+# ask user to add client to lustre
+add_client()
+{
+ echo -n "Please enter the clients' mountpoint (/mnt/lustre): "
+ read mtpt
+ [ -z "$mtpt" ] && mtpt="/mnt/lustre"
+ newdev="*:$mtpt:client:client:$CURRENT_MDS:$CURRENT_LOV"
+ DEVICE_LIST="$DEVICE_LIST $newdev"
+ (( cur_cli_id++ ))
+ return 0
+}
+
+# save node config into config file
+add_node()
+{
+ local node=$1
+ local nettype=$DEFAULT_NETTYPE
+
+ in_list "$node" "$NODE_LIST" && return 0
+ NODE_LIST="$NODE_LIST $node"
+
+ run_lmc --add node --node "$node"
+ run_lmc --add net --node "$node" --nid "$node" \
+ --nettype "$nettype"
+
+ return 0
+}
+
+# get hostname, device , device_id and device name
+# from mds node
+get_name_in_list()
+{
+ HOST_NAME=$(echo $1 | awk -F: '{ print $1 }')
+ DEVICE=$(echo $1 | awk -F: '{ print $2 }')
+ DEVICE_ID=$(echo $1 | awk -F: '{ print $3 }')
+ DEVICE_NAME=$(echo $1 | awk -F: '{ print $4 }')
+ DEVICE_MDS=$(echo $1 | awk -F: '{ print $5 }')
+ DEVICE_LOV=$(echo $1 | awk -F: '{ print $6 }')
+ DEVICE_SIZE=$(echo $1 | awk -F: '{ print $7 }')
+}
+
+# save command to file and do the command
+run_lmc()
+{
+ echo "$@" >> "$LMC_BATCH_FILE"
+}
+
+# following user input to create xml config file
+create_config()
+{
+ for device in $DEVICE_LIST ; do
+ get_name_in_list $device
+ echo -n " $DEVICE_NAME"
+ case $DEVICE_NAME in
+ mds*)
+ add_node "$HOST_NAME"
+ run_lmc --add mds \
+ --node "$HOST_NAME" \
+ --mds "$DEVICE_NAME" \
+ --fstype "$DEFAULT_FSTYPE" \
+ --dev "$DEVICE" \
+ --size "$DEVICE_SIZE"
+ ;;
+ lov*)
+ run_lmc --add lov \
+ --lov "$DEVICE_NAME" \
+ --mds "$DEVICE_MDS" \
+ --stripe_sz "$STRIPE_SIZE" \
+ --stripe_cnt "$STRIPE_CNT" \
+ --stripe_pattern "$STRIPE_PATTERN"
+ ;;
+ ost*)
+ add_node "$HOST_NAME"
+ run_lmc --add ost \
+ --node "$HOST_NAME" \
+ --lov "$DEVICE_LOV" \
+ --fstype "$DEFAULT_FSTYPE" \
+ --dev "$DEVICE" \
+ --size "$DEVICE_SIZE"
+ ;;
+ client*)
+ add_node "$DEVICE_NAME"
+ run_lmc --add mtpt \
+ --node "$DEVICE_NAME" \
+ --mds "$DEVICE_MDS" \
+ --lov "$DEVICE_LOV" \
+ --path "$DEVICE"
+ ;;
+ esac
+ done
+ echo
+ return 0
+}
+
+maybe_clean()
+{
+ [ -f "$1" ] || return 0
+ if ! (( $FORCE )) ; then
+ echo -n "${0##*/}: overwrite existing $2 \"$1\"? "
+ read answer
+ if ! [ "${answer:0:1}" = "y" -o "${answer:0:1}" = "Y" ] ; then
+ echo "(${0##*/}: (Exiting.)"
+ exit 0
+ fi
+ fi
+ rm -f "$1"
+}
+
+# parse options
+get_option "$@"
+
+# some default definitions
+LMC=${LMC:-"/usr/sbin/lmc"}
+
+CONFIG_FILE=${CONFIG_FILE:-"lwizard.xml"}
+
+# Remove exiting files.
+
+maybe_clean "$CONFIG_FILE" "Lustre configuration file"
+if [ "$LMC_BATCH_FILE" ] ; then
+ maybe_clean "$LMC_BATCH_FILE" "lmc batch file"
+else
+ LMC_BATCH_FILE=$(mktemp -q "/tmp/${CONFIG_FILE##*/}.XXXXXX")
+ [ $? -eq 0 ] || fatal 1 "Couldn't create temporary batch file."
+fi
+
+DEFAULT_FSTYPE=${DEFAULT_FSTYPE:-"ext3"}
+DEFAULT_NETTYPE=${DEFAULT_NETTYPE:-"tcp"}
+DEFAULT_MNTPT=${DEFAULT_MNTPT:-"/mnt/lustre"}
+
+STRIPE_SIZE=${STRIPE_SIZE:-$((1 * 1024 * 1024))}
+STRIPE_CNT=${STRIPE_CNT:-1}
+STRIPE_PATTERN=${STRIPE_PATTERN:-0}
+
+ANSWER="yes no"
+
+CURRENT_LOV=
+MDS_LIST=
+OST_LIST=
+CLIENT_LIST=
+
+# print program information
+cat <<EOF
+${0##*/} will help you create a Lustre configuration file.
+
+EOF
+while add_mds ; do
+ add_ost
+ add_client
+done
+
+create_config
+$LMC --batch "$LMC_BATCH_FILE" -o "$CONFIG_FILE"
+if [ $? -ne 0 ] ; then
+ fatal 1 "lmc returned an error; Please check above for more details."
+fi
+
+echo "The Lustre configuration has been written to $CONFIG_FILE."
+
+if (( $RM_BATCH_FILE )) ; then
+ rm -f "$LMC_BATCH_FILE"
+else
+ echo "The lmc batch file has been written to $LMC_BATCH_FILE."
+fi
+
+exit 0
git://git.whamcloud.com / fs / lustre-release.git / blobdiff