redis.conf

LoadPlugin exec

<Plugin exec>
	Exec "nobody:nogroup" "/etc/collectd/redis.sh"
</Plugin>


# -> ll redis.sh 
# 4 -rwxr-xr-x 1 nobody nogroup 790 Jul 25 22:44 redis.sh

redish.sh

#!/bin/bash

HOSTNAME="${COLLECTD_HOSTNAME:-`hostname -f`}"
INTERVAL="${COLLECTD_INTERVAL:-10}"

#while sleep "$INTERVAL"
#do
	info=$(redis-cli info)

	for key in connected_clients connected_slaves uptime_in_seconds used_memory changes_since_last_save total_commands_processed keyspace_misses keyspace_hits pubsub_patterns pubsub_channels evicted_keys	expired_keys total_connections_received used_cpu_sys used_cpu_user used_cpu_sys_children used_cpu_user_children
	do
		value=$(echo "$info" | awk -F : "\$1 == \"$key\" {print \$2}")
		echo "PUTVAL \"$HOSTNAME/redis/$key\" interval=$INTERVAL N:$value"
	done

	keys=$(echo "$info"|egrep -e "^db0"|sed -e 's/^.\+:keys=//'|sed -e 's/,.\+//')
	echo "PUTVAL \"$HOSTNAME/redis/db0/keys\" interval=$INTERVAL N:$keys"
#done