ceph backfill throttler

#!/bin/bash

ACTIVE=$1
INACTIVE=$2

if [[ -z "$INACTIVE" ]]; then
        echo "missing parameter (time balancing / time sleeping)"
        exit
fi

clean_exit() {
        echo "Resetting max-backfills/recovery-max-active to 1"
        ./ceph tell osd.* injectargs "'--osd-max-backfills 1'" &>/dev/null
#       ./ceph tell osd.* injectargs "'--osd-recovery-max-active 1'" &>/dev/null
        echo "Ctrl-C if you want to skip scrub reactivation"
        read
        ./ceph osd unset noscrub
        ./ceph osd unset nodeep-scrub
        exit
}

trap clean_exit INT

./ceph osd set nodeep-scrub
./ceph osd set noscrub
while `true`; do
        echo "Sleeping"
        ./ceph tell osd.* injectargs "'--osd-max-backfills 0'" &>/dev/null
#       ./ceph tell osd.* injectargs "'--osd-recovery-max-active 0'" &>/dev/null
        sleep $INACTIVE
        ./ceph -s
        echo "Backfilling/Recovering"
        ./ceph tell osd.* injectargs "'--osd-max-backfills 1'" &>/dev/null
#       ./ceph tell osd.* injectargs "'--osd-recovery-max-active 1'" &>/dev/null
        sleep $ACTIVE
        ./ceph -s
done