diff options
Diffstat (limited to 'charms/trusty/cassandra/files')
| -rw-r--r-- | charms/trusty/cassandra/files/check_cassandra_heap.sh | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/charms/trusty/cassandra/files/check_cassandra_heap.sh b/charms/trusty/cassandra/files/check_cassandra_heap.sh new file mode 100644 index 0000000..395aa06 --- /dev/null +++ b/charms/trusty/cassandra/files/check_cassandra_heap.sh @@ -0,0 +1,36 @@ +#!/bin/bash +#--------------------------------------------------- +# This file is Juju managed +#--------------------------------------------------- + +# Copyright (C) 2012 Canonical Ltd. +# Author: Liam Young +# +# Script used to check Cassandra is alive and that it has space left in the heap + +set -u + +if [[ $# -lt 3 ]]; then + echo "$0 <jmx-ipadress> <warnpct> <criticalpct>" + exit 1 +fi +WARN_PCT=$2 +CRIT_PCT=$3 + +NODE_INF0="$(nodetool -h $1 info 2>/dev/null)" +if [[ $? -ne 0 ]]; then + echo "ERROR: Failed to connect to Cassandra" + exit 2 +fi +PCT_USED=$(echo "$NODE_INF0" | awk 'BEGIN {FS=":"} $1 ~ /^Heap Memory/ {print $2}' | awk '{ printf("%i\n", $1*100/$3) }') +USAGE_INFO="${PCT_USED}% of heap memory used" +if [[ $PCT_USED -lt $WARN_PCT ]]; then + echo "OK: ${USAGE_INFO}" + exit 0 +elif [[ $PCT_USED -lt $CRIT_PCT ]]; then + echo "WARNING: ${USAGE_INFO}" + exit 1 +else + echo "CRITICAL: ${USAGE_INFO}" + exit 1 +fi |