93 lines
2.3 KiB
Bash
Executable file
93 lines
2.3 KiB
Bash
Executable file
#!/bin/sh
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set -eu
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umask 077
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community="public"
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if [ "${1:-}" = "-n" ]; then
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_noop=true
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else
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_noop=false
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fi
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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" "$host" -Oqv -m ATEN-PE-CFG "$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=Aten PE*))" cn l | awk '
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{
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if ($1 == "cn:") {
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cn = $2
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}
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if ($1 == "l:") {
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l = substr($0, 3)
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}
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if ($0 == "" && cn != "" && l != "") {
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print cn l
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cn = ""
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l = ""
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}
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}
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' | while read -r name location
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do
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snmpwalk -v 1 -c "$community" "$name" -Oq \
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-m ATEN-PE-CFG ATEN-PE-CFG::outletName | while read -r port device
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do
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port="$(echo "$port" | cut -d '.' -f 2)"
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device="$(echo "$device" | tr -d '"')"
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case "$device" in
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"N/A"|"00 "|"unused")
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continue
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;;
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esac
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if device_name="$(ldapsearch -Q -LLL \
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"(&(objectClass=device)(cn=${device}.*))" cn | awk "
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{
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if (\$1 == \"cn:\") {
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if (name) {
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exit 1
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}
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name=\$2
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}
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} END {
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if (!name) {
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exit 1
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}
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print name
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}
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")" ; then
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device="$device_name"
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fi
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for key in Current Power Voltage ; do
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topic="home/${location}/${device}/$(echo "$key" | tr '[:upper:]' '[:lower:]')"
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value="$(snmp_get "$name" "ATEN-PE-CFG::outlet${key}.${port}")"
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if $_noop ; then
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echo "${topic} -> ${value}"
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else
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mqtt_send "$topic" "$value"
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fi
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done
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done
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done
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