Created
May 7, 2021 20:46
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Poor man's Telegram notifier
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| #!/bin/bash | |
| # Bash Import/Source script | |
| # Prints/Sends start/error/end messages | |
| set -o pipefail | |
| set -o errtrace | |
| # Have below variables set | |
| TELEGRAM_BOT_TOKEN='' | |
| TELEGRAM_CHAT_ID='' | |
| script_name=`basename "$0"` | |
| notify() { | |
| local -r message_text="${@:1}" | |
| echo "$message_text" | |
| curl --silent "https://api.telegram.org/bot${TELEGRAM_BOT_TOKEN}/sendMessage?chat_id=${TELEGRAM_CHAT_ID}&text=${message_text}" 2>&1 > /dev/null | |
| } | |
| report_error() { | |
| declare -a return_codes=("${PIPESTATUS[@]}") | |
| local -r array_length="$((${#return_codes[@]}-1))" | |
| local -r return_code="${return_codes[array_length]}" | |
| local -r error_message="ERROR in ${script_name} at line ${BASH_LINENO[0]} command ${BASH_COMMAND} with exit code ${return_code}" | |
| notify $error_message | |
| exit 99 | |
| } | |
| report_end() { | |
| local -r end_message="$script_name ended." | |
| notify $end_message | |
| } | |
| notify "$script_name started." | |
| trap report_error ERR | |
| trap report_end EXIT |
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| #!/bin/bash | |
| . telegram.sh | |
| echo `date --utc` | |
| bash -c 'echo oops; exit 111' | |
| echo `date --utc` | |
| exit 0 | |
| # What we get on Telegram: | |
| # zample.sh started. | |
| # ERROR in zample.sh at line 6 command bash -c 'echo oops; exit 111' with exit code 111 | |
| # zample.sh ended. |
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