blob: 395aa067a3b0b1db47f4b30d8f2c7634988a2f7f (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
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
|
