Monitoring Asterisk

monitor_asterisk.sh

#!/bin/bash

IP_SERVER="192.168.1.1"
TELEGRAM_BOT_TOKEN="123:abc"
TELEGRAM_CHAT_ID="-100"
TELEGRAM_TOPIC_ID="1419"

DOWN_PEERS=$(/usr/sbin/asterisk -rx "sip show peers" | grep -E "UNREACHABLE|UNKNOWN")

if [[ -n "$DOWN_PEERS" ]]; then
    MESSAGE="[${IP_SERVER}] SIP Peer DOWN:\n\n"

    while IFS= read -r line; do
        NAME=$(echo "$line" | awk '{print $1}')
        IP=$(echo "$line" | awk '{print $2}')
        STATUS=$(echo "$line" | awk '{print $NF}')
        MESSAGE+="- ${NAME} (${IP}) - ${STATUS}\n"
    done <<< "$DOWN_PEERS"

    curl -s -X POST "https://api.telegram.org/bot${TELEGRAM_BOT_TOKEN}/sendMessage" \
        -d chat_id="${TELEGRAM_CHAT_ID}" \
        -d message_thread_id="${TELEGRAM_TOPIC_ID}" \
        --data-urlencode "text=$(echo -e "$MESSAGE")"
fi