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40 lines
1.2 KiB
40 lines
1.2 KiB
#!/bin/sh
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PATH=/sbin:/bin:/usr/sbin:/usr/bin:/usr/local/sbin:/usr/local/bin
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# Load Telegram bot info
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source .httpcheck_telegram #Provides KEY, CHATID, CHKLIST
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TIME="10"
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URL="https://api.telegram.org/bot$KEY/sendMessage"
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#Telegram message function
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send_message() {
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curl -s --max-time $TIME -d "chat_id=${CHATID}&disable_web_page_preview=1&text=$1" $URL >/dev/null
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}
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get_http_code() {
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curl -sILk --max-time $TIME $1 | grep HTTP | tail -n 1 | grep -Eo '[0-9]{3}' || printf '%s\n' 000
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}
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# Check HTTP codes
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for site in $(< $CHKLIST); do
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respcode=$(get_http_code $site)
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case $respcode in
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000)
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printf '%s\n' "[$(date '+%Y%m%d %H:%M:%S')]: PROBLEM -- $site: DNS record not found" >&2
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send_message "HTTP/S Alert:%0A $site DNS record not found." && printf '%s\n' "Message sent via Telegram bot" >&2
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;;
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200)
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printf '%s\n' "[$(date '+%Y%m%d %H:%M:%S')]: OK -- $site returns $respcode"
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;;
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*)
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printf '%s\n' "[$(date '+%Y%m%d %H:%M:%S')]: PROBLEM -- $site returns $respcode" >&2
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send_message "HTTP/S Alert:%0A $site responding with $respcode." && printf '%s\n' "Message sent via Telegram bot" >&2
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;;
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esac
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done || exit 1
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exit 0
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