58 lines
1.6 KiB
Bash
Executable File
58 lines
1.6 KiB
Bash
Executable File
#!/bin/bash
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################################################################################
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# TELEGRAM_NOTIFICATION.SH
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# ------------------------
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# This script takes input via stdin or parameters, removes timestamps from each
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# line and replaces newlines with telegram compatible ones and then sends the
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# message to a chat
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#
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# Author: Robin Meier - robin@meier.si
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################################################################################
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set -o allexport
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source /root/scripts/.telegram_notification_env
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set +o allexport
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BOT_API_URL=https://api.telegram.org/bot${BOT_TOKEN}
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# Get input from standard input or via first parameter
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if [[ $# -eq 0 ]]; then
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MESSAGE=$(timeout 30 cat)
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elif [[ $# -eq 1 ]]; then
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MESSAGE=$1
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elif [[ $# -eq 2 ]]; then
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CHAT_ID=$1
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MESSAGE=$2
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else
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echo "[ERROR] Too many arguments!"
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fi
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# Exit if input is empty
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if [[ -z "${MESSAGE}" ]]; then
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exit 0
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fi
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# Strip timestamps from message
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if [ "${MESSAGE:0:12}" == "$(echo '' | ts "[%Y-%m-%d")" ]; then
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MESSAGE=$(echo -e "$MESSAGE" | cut -c 23-)
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fi
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# Replace newlines in message for telegram
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TG_MESSAGE=${MESSAGE//$'\n'/\%0A}
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# Send telegram to chat
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resp=$(curl -s -f -X POST ${BOT_API_URL}/sendMessage -d chat_id=$CHAT_ID -d text="⚠️ *$(hostname | tr . ' ')* ⚠️%0A\`\`\`%0A${TG_MESSAGE}%0A\`\`\`" -d parse_mode=markdown)
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# Check if request succeeded
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if [[ $? -ne 0 ]]; then
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echo "[ERROR] Telegram request failed!"
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else
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if [ "${resp:1:9}" == "\"ok\":true" ]; then
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# echo "Sent Telegram: \n${MESSAGE//$'\n'/\n}"
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else
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echo "[ERROR] Telegram sending did not succeed: $resp"
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echo "MESSAGE: \n${MESSAGE//$'\n'/\n}"
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fi
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fi
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