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Fix zed io-spare.sh dash incompatibility

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The zed's io-spare.sh script defines a vdev_status() function to query
the 'zpool status' output for obtaining the status of a specified vdev.
This function contains a small awk script that uses a parameter
expansion (${parameter/pattern/string}) supported in bash but not
in dash.  Under dash, this fails with a "Bad substitution" error.

This commit replaces the awk script with a (hopefully more portable)
sed script that has been tested under both bash and dash.

Signed-off-by: Chris Dunlap <cdunlap@llnl.gov>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #2536
This commit is contained in:
Chris Dunlap 2014-09-11 15:41:35 -07:00 committed by Brian Behlendorf
parent 36283ca233
commit bee6665b88
1 changed files with 4 additions and 3 deletions
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7
cmd/zed/zed.d/io-spare.sh
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@ -54,10 +54,11 @@ flock -x 8
# Given a <pool> and <device> return the status, (ONLINE, FAULTED, etc...).
vdev_status() {
local POOL=$1
local VDEV=`basename $2`
local VDEV=$2
local T=' ' # tab character since '\t' isn't portable
${ZPOOL} status ${POOL} | \
awk -v pat="${VDEV}|${VDEV/-part?}" '$0 ~ pat { print $1" "$2 }'
${ZPOOL} status ${POOL} | sed -n -e \
"s,^[ $T]*\(.*$VDEV\(-part[0-9]\+\)\?\)[ $T]*\([A-Z]\+\).*,\1 \3,p"
return 0
}