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#!/bin/bash
#
# This script is used to configure raid.
#
#
##############################################
# source raidutils
##############################################
# prepare tmp log file for configraid
touch="touch"
timestamp=`date +"%Y%m%d%H%M%S"`
log_file="/tmp/configraid.log.$timestamp"
$touch $log_file
str_dir_name=`dirname $0`
. $str_dir_name/raidutils $log_file
###################################################################################
#
# Usage
#
#################################################################################
function usagesc {
echo 'Usage: configraid delete_raid=[all|"<raid_array_list>"|null] '
echo ' stripe_size=[16|64|256] '
echo ' create_raid="rl!<raidlevel>|[pci_id#<num>|pci_slot_name#<pci_slot_name>|disk_names#<sg0>#..#<sgn>]|disk_num#<number>" ... '
echo ' 1. delete_raid: '
echo ' List raid arrays which should be removed. If its value is all, all raid arrays detected should be deleted.'
echo ' If its value is a list of raid array names, these raid arrays will be deleted. Raid array names should be seperated by "#".'
echo ' If its value is null, no raid array will be deleted.'
echo ' If there is no delete_raid, the default value is null.'
echo ' The format is : delete_raid = [all|"<array1>#...#<arrayn>"|null]'
echo ' For example:'
echo ' delete_raid="sda#sdd" '
echo ' '
echo ' 2. stripe_size: '
echo ' Currently supported stripe sizes in kb include 16, 64, and 256.'
echo ' If stripe size is not specified, it will default to the recommended stripe size for the selected RAID level.'
echo ' For example:'
echo ' stripe_size=256 '
echo ' '
echo ' 3. create_raid: '
echo ' To create a raid array, add a line begginning with create_raid.'
echo ' The format is : '
echo ' create_raid="rl#[0,10,5,6]|[PCI_ID#<num>|PCI_SLOT_name#<pci_slot_name>]|disk_num#<number of disks for one raid>"'
echo ' rl means RAID level, RAID level can be any supported RAID level for the given adapter, such as 0, 10, 5, 6;'
echo ' rl is a must for every create_raid. '
echo ' pci_id is PCI vender and device ID; refer to http://pci-ids.ucw.cz/read/PC/1014/034a;'
echo ' disk_num is the number of disk this RAID will contain, default value is all unused disks in its pci slot; '
echo ' pci_slot_name is the specified PCI location. If specify pci_slot_name, this raid will be created using disks from this pci_slot;'
echo ' disk_names is a list of advanced format disk names. If specify disk_names, this raid will be created using these disks;'
echo ' Example 1, create 2 raid0 arrays, one is using 3 disks, the other is using 2 disks, the disks PCI_ID is 1014:034a:'
echo ' create_raid="rl#0|pci_id#1014:034a|disk_num#1" create_raid="rl#0|pci_id#1014:034a|disk_num#2"'
echo ' Example 2, pci_slot_name is 0001:08:00.0, create raid10 array, using 2 disks '
echo ' create_raid="rl#10|pci_slot_name#0001:08:00.0|disk_num#2"'
echo ' Example 3, create 1 raid0 array using advanced format disk sg1'
echo ' create_raid="rl#0|disk_names#sg1|disk_num#1"'
}
###############################################################################
#
# handle each create raid
#
# input format: stripe_size=16 create_raid=rl#1|pci_id#1014:034a|disk_num#1
#
###############################################################################
function handle_each_create_raid {
local create_raid_list=$1
local striple_pair=$2
# cut striple_size from striple_pair
# if striple_size is null, it will default to the recommended stripe size
local striple_size=""
if [ x$striple_pair != x ]; then
striple_size=`echo $striple_pair | $awk -F= '{print $2}'`
else
striple_size="default"
fi
# cut create_raid_list into raid_level pci_id|pci_slot_name|disk_names disk_num
local create_raid_value=""
local raidlevel=""
local disknum=""
local pciid=""
local pcislot_name=""
local disk_names=""
create_raid_value=`echo $create_raid_list| $awk -F= '{print $2}' \
| $sed -e 's/|/ /g'`
# make sure create_raid_value is not null
firstpara=`echo $create_raid_value|awk '{print $1}'`
if [ x$firstpara != x ]; then
for item in $create_raid_value
do
key=`echo $item | $awk -F# '{print $1}'`
vla=`echo $item | $awk -F# '{if($1=="disk_names"){$1="";print $0} else { print $2}}' \
| $sed -e 's/^\s*//g' -e 's/ /#/g'`
case $key in
rl )
raidlevel=$vla
;;
pci_id )
pciid=$vla
;;
pci_slot_name )
pcislot_name=$vla
;;
disk_num )
disknum=$vla
;;
disk_names )
disk_names="$vla"
;;
esac
done
fi
if [ x$raidlevel == x ]; then
log_error "Can not create RAID for $create_raid_list. There is no raid level enter."
return 1
fi
# if disk_num is null, will pick up all the disks
if [ x$disknum == x ]; then
disknum=all
fi
log_info "handle create raid: $create_raid_value"
local pcilocs=""
local slocs_grps=""
# If there is disk_names, using them
if [ x$disk_names != x ]; then
handle_create_raid_array "$striple_size" "$raidlevel" "$disknum" "null" "$disk_names"
else
# If there is pci_slot_name, use it.
# If there is no pci_slot_name, there is pci_id, use pci_id.
if [ x$pciid != x -a x$pcislot_name == x ]; then
pcilocs=`get_pciloc_by_id $pciid`
elif [ x$pcislot_name != x ]; then
pcilocs=$pcislot_name
else
log_error "pci_id or pci_slot_name or pci_disk_names can not be empty."
return 1
fi
if [ -n "$pcilocs" ]; then
handle_create_raid_array "$striple_size" "$raidlevel" "$disknum" "$pcilocs" "null"
else
log_error "PCI adapter $pcilocs does not exists!" >&2
return 1
fi
fi
}
##############################################################################
#
# main section to handle delete raid
#
# input format : delete_raid=[all|dev1#dev2...|null]
#
##############################################################################
function handle_delete_raid {
local input=$*
local raid_arrays=""
local valid_arrays=""
del_value=`echo "$input"|awk -F= '{print $2}'`
# if delete_raid=all
if [ "x$del_value" == "xall" -o "x$del_value" == "xALL" ]; then
raid_arrays=`get_all_raid_arrays`
# if delete_raid=null or nothing
elif [ "x$del_value" == "xnull" -o "x$del_value" == "x" ]; then
log_info "There is no need to delete RAID arrays."
return 1
# if delete_raid=devlist
else
# delete # between raid names
raid_arrays=`echo ${del_value}|sed 's/#/ /g'`
fi
for r_a in $raid_arrays
do
res=`is_array $r_a`
if [ $res -eq 0 ]; then
if [ "x$valid_arrays" != "x" ]; then
valid_arrays=$valid_arrays" "$r_a
else
valid_arrays=$r_a
fi
fi
done
if [ "x$valid_arrays" != "x" ]; then
# delete raid arrays
delete_ipr_array enforce=1 tryCnt=360 tryInt=60 -- $valid_arrays
else
log_info "There is no valid raid arrays."
return 1
fi
}
#############################################################################################
#
# Main section :
# delete raid
# create raid
#
############################################################################################
input=$*
# If input parameter number is less than 1, print usage
if [ $# -lt 1 ]; then
usagesc
exit 1
fi
# If "-h|--help", print usage
if [ "x$input" == "x--help" -o "x$input" == "x-h" ]; then
usagesc
exit 0
fi
# clear up delete_raid stripe_size and create_raid
del_raid_valid=""
cre_raid_list=""
stripe_pair=""
for args in "$@"
do
del_raid=`echo "$args" | grep "^delete_raid="`
cre_raid=`echo "$args" | grep "^create_raid="`
str_size=`echo "$args" | grep "^stripe_size="`
if [ x$del_raid != x ]; then
del_raid_valid=$del_raid
fi
if [ x$str_size != x ]; then
stripe_pair=$str_size
fi
# This is for the first create_raid
if [ x$cre_raid_list == x -a x$cre_raid != x ]; then
cre_raid_list=$cre_raid
# if there are many create_raid
elif [ x$cre_raid_list != x -a x$cre_raid != x ]; then
cre_raid_list=$cre_raid_list" "$cre_raid
fi
done
# main process for deleting raid
if [ x$del_raid_valid != x ]; then
handle_delete_raid "$del_raid_valid"
fi
# main process for creating raid
create_r1=`echo $cre_raid_list|awk '{print $1}'`
if [ "x${create_r1}" != "x" ]; then
for cr in $cre_raid_list
do
# handle every create_raid
handle_each_create_raid $cr $stripe_pair $lable_num
done
else
log_info "Can not create RAID. There is no create_raid."
fi