Bash Script Monitoring CSR Kubernetes (Telegram Alert)

 

#!/bin/bash HOST=$(hostname) TOKEN=telegram_token CHAT_ID=telegram_chat_id   pending_csrs=$(kubectl get csr | awk '$4=="Pending"')   if [ -z "$pending_csrs" ]; then     echo "No pending CSRs."   else     # Tampilkan CSR Kubernetes     echo "Cluster     : $HOST" > /opt/scripts/csr_kuber.log     echo "Status CSR : You have pending CSRs" >> /opt/scripts/csr_kuber.log     sumpending=$(kubectl get csr | awk '$4=="Pending"'| wc -l)     echo "Total      : $sumpending" >> /opt/scripts/csr_kuber.log       # Kirim telegram     MESSAGE="$(cat /opt/scripts/csr_kuber.log)"     curl -s -X POST "https://api.telegram.org/bot$TOKEN/sendMessage" -d "chat_id=$CHAT_ID" -d "text="$(echo -e '\U0001f525 \U0001f514 \nNP2 Kubernetes SSLn\n')$(echo -e '\n-----------------------------------\n')$(echo -e '\n'"$MESSAGE")   fi   sleep 3 rm -f /opt/scripts/csr_kuber.log