54 lines
1.6 KiB
Bash
54 lines
1.6 KiB
Bash
#!/bin/sh
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set -eu
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umask 077
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community="public"
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mqtt_send() {
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topic="$1"
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value="$2"
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tlsdir="$(openssl version -d | sed -e 's/^OPENSSLDIR: "\(.\+\)"$/\1/')"
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mosquitto_pub -h mqtt02.home.foo.sh -t "$topic" -m "$value" \
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--cafile "${tlsdir}/certs/ca.crt" \
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--key "${tlsdir}/private/$(hostname -f).key" \
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--cert "${tlsdir}/certs/$(hostname -f).crt"
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}
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snmp_get() {
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host="$1"
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key="$2"
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snmpget -v 1 -c "$community" "$host" -Oqv -m MIKROTIK-MIB "$key" | tr -d '"'
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}
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# only run script if first vrrp interface is in master state
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for state in /run/keepalived/*.state ; do
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if [ "$(cat "$state")" != "MASTER" ]; then
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exit 0
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fi
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break
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done
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ldapsearch -Q -LLL "(&(objectClass=device)(description=MikroTik *))" cn | \
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awk '{ if ($1 == "cn:") print $2 }' | while read -r name
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do
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snmpwalk -v 1 -c "$community" "$name" -Oq -m MIKROTIK-MIB \
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MIKROTIK-MIB::mtxrPOEStatus | while read -r port status
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do
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port="$(echo "$port" | cut -d "." -f 2)"
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[ "$status" = "poweredOn" ] || continue
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device="$(snmp_get "$name" "SNMPv2-SMI::mib-2.31.1.1.1.18.${port}")"
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[ -z "$device" ] && continue
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location="$(ldapsearch -Q -LLL "(&(objectClass=device)(cn=${device}))" l | \
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sed -n 's/^l: \(.\+\)/\1/p' | tr '[:upper:]' '[:lower:]' | tr ' ' '_')"
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[ -z "$location" ] && continue
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for key in Current Power Voltage ; do
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topic="home/${location}/${device}/$(echo "$key" | tr '[:upper:]' '[:lower:]')"
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value="$(snmp_get "$name" "MIKROTIK-MIB::mtxrPOE${key}.${port}")"
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mqtt_send "$topic" "$value"
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done
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done
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done
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