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Check nextcloud for aliveness using tcp ping with lft, send notification to telegram if it's dead. See https://gist.github.com/jogerj/47eca63335c93b214c9bc72347139756
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| #!/bin/bash | |
| source /root/telegram.sh | |
| fixes_dir="/root" | |
| check_website="nextcloud.acme.com" | |
| ip_address="$(dig +short @1.1.1.1 $check_website)" | |
| if [ "x$ip_address" == "x" ]; then | |
| echo "[ERROR] $(date -R) - ${title} DNS record not found!" >> $fixes_dir/cloud_alive.log | |
| if [ ! -f $fixes_dir/.cloudlivechecked ]; then | |
| touch $fixes_dir/.cloudlivechecked; | |
| echo "[WARN] $(date -R) - Sent DNS error notification for ${check_website}" >> $fixes_dir/cloud_alive.log | |
| send_telegram "$check_website" "$(echo -e "Failed to resolve ${check_website}!")"; | |
| fi; | |
| exit 1; | |
| fi; | |
| check="$(/usr/sbin/lft -S -z -d 443 ${check_website})" | |
| check_alive="$(echo -e $check | grep -oP "$ip_address:443\s.+ms")" | |
| if [ "x$check_alive" == "x" ]; then | |
| echo "[ERROR] $(date -R) - ${check}" >> $fixes_dir/cloud_alive.log | |
| if [ ! -f $fixes_dir/.cloudlivechecked ]; then | |
| touch $fixes_dir/.cloudlivechecked; | |
| echo "[WARN] $(date -R) - Sent error notification for ${check_website}" >> $fixes_dir/cloud_alive.log; | |
| send_telegram "$check_website" "$(echo -e "${check}\n\nNextcloud failed to respond!")"; | |
| fi; | |
| else | |
| # all is good | |
| if [ -f $fixes_dir/.cloudlivechecked ]; then | |
| echo "[INFO] $(date -R) - Sent online notification for ${check_website}" >> $fixes_dir/cloud_alive.log | |
| send_telegram "$check_website" "$(echo -e "${check}\n\nNextcloud is back online!")"; | |
| rm -f $fixes_dir/.cloudlivechecked | |
| fi; | |
| fi; |
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