Ciscoスイッチ向けmackerel agentスクリプト

mackerel-snmp-agent.sh

#!/bin/bash

if [ -z "$1" ];
then
        echo "Usage $(basename $0) <host>"
        exit 1
fi

TARGET="$1"
MACKEREL_APIKEY="API Key"
MACKEREL_HOSTID_FILE="/var/lib/mackerel/$TARGET/id"
SNMP_COMMUNITY="SNMP Community"
SNMP_OPT="-v2c -c $SNMP_COMMUNITY"
MKR="/usr/local/bin/mkr"

fetchsnmp() {
        snmpwalk -Ov $SNMP_OPT $TARGET $1 | awk '{print $2}'
}

inithost() {
        [ ! -d "$(dirname "$MACKEREL_HOSTID_FILE")" ] && mkdir -p "$(dirname "$MACKEREL_HOSTID_FILE")"
        HOSTNAME="$(fetchsnmp .1.3.6.1.2.1.1.5.0)"
        $MKR create $HOSTNAME | awk '{print $NF}' > $MACKEREL_HOSTID_FILE
}

throwmetric() {
        METRIC="$1"
        OID="$2"
        VALUE="$(fetchsnmp $OID)"
        echo "$METRIC $VALUE $(date +%s)" | $MKR throw --host $MACKEREL_HOSTID > /dev/null
}

[ ! -f "$MACKEREL_HOSTID_FILE" ] && inithost
MACKEREL_HOSTID="$(cat $MACKEREL_HOSTID_FILE)"


# CPU
throwmetric custom.cisco.cpu.5m .1.3.6.1.4.1.9.9.109.1.1.1.1.3.1
throwmetric custom.cisco.cpu.1m .1.3.6.1.4.1.9.9.109.1.1.1.1.3.1
throwmetric custom.cisco.cpu.5s .1.3.6.1.4.1.9.9.109.1.1.1.1.5.1

# Memory Used
throwmetric custom.cisco.memory.used .1.3.6.1.4.1.9.9.48.1.1.1.5.1
throwmetric custom.cisco.memory.free .1.3.6.1.4.1.9.9.48.1.1.1.6.1

# Interface
snmpwalk -On $SNMP_OPT $TARGET .1.3.6.1.2.1.2.2.1.1 |
awk '{print $1}' |
awk -F. '{print $NF}' |
while read INDEX
do
        throwmetric "custom.cisco.interface.in.ifindex$INDEX"  .1.3.6.1.2.1.2.2.1.10.$INDEX
        throwmetric "custom.cisco.interface.out.ifindex$INDEX" .1.3.6.1.2.1.2.2.1.16.$INDEX
done