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[zpool_iostat] use backward compatible fieldnames

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This commit is contained in:
Lars Kruse 2016-12-04 16:04:37 +01:00
parent dd9cf0c0b9
commit 0e5e9cbdfb
1 changed files with 14 additions and 3 deletions
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17
plugins/zfs/zpool_iostat
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@ -70,6 +70,17 @@ get_pool_iostat() {
| gawk '/M/ {print strtonum($1)*1000}; /K/ {print strtonum($1)}; /[0-9]$/ {print int($1)/1000}'
}
get_pool_fieldname() {
local pool_id="$1"
# backwards compatibility (until 2016):
# keep the unprefixed pool name for the fieldname, except for pool names starting with digits
if echo "$pool_id" | grep -q "^[0-9]"; then
clean_fieldname "_$pool_id"
else
clean_fieldname "$pool_id"
fi
}
if [ "$ACTION" = "config" ]; then
echo 'graph_title zpool iostat'
echo 'graph_args --base 1000 -l 0'
@ -80,14 +91,14 @@ if [ "$ACTION" = "config" ]; then
# assemble the "graph_order" as a sorted list of read/write pairs for each poll
printf "graph_order"
echo "$zlist" | while read -r pool_id; do
fieldname="$(clean_fieldname "pool_$pool_id")"
fieldname="$(get_pool_fieldname "pool_$pool_id")"
printf " %s_read %s_write" "$fieldname" "$fieldname"
done
# finalize the 'graph_order'
echo
# output all fields: write as negative numbers and read as positive
echo "$zlist" | while read -r pool_id; do
fieldname="$(clean_fieldname "pool_$pool_id")"
fieldname="$(get_pool_fieldname "pool_$pool_id")"
echo "${fieldname}_read.label $pool_id"
echo "${fieldname}_read.type GAUGE"
echo "${fieldname}_read.graph no"
@ -98,7 +109,7 @@ if [ "$ACTION" = "config" ]; then
exit 0
fi
echo "$zlist" | while read -r pool_id; do
fieldname="$(clean_fieldname "pool_$pool_id")"
fieldname="$(get_pool_fieldname "pool_$pool_id")"
echo "${fieldname}_read.value $(get_pool_iostat "$pool_id" 6)"
echo "${fieldname}_write.value $(get_pool_iostat "$pool_id" 7)"
done