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Script to allow nagios to generate a slack notification
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| #!/bin/bash | |
| # Slack notification script, for use by Nagios or other similar monitoring systems. | |
| # | |
| # Author: Justin Miller | |
| # Github: github.com/colebrooke | |
| # | |
| # Usage: | |
| # | |
| # ./nagios_notify_slack.sh <SLACKCHANNEL> | |
| # You need to set up a custom command, contact, contact group and maybe service definition in nagios to trigger this script | |
| # Nagios sets the environment variables, e.g. ${NAGIOS_SERVICEDISPLAYNAME} which are used by the script. | |
| # Set prefered emojis | |
| IDENT_EMOJI=":ng:" | |
| WARN_EMOJI=":warning:" | |
| CRITICAL_EMOJU=":bangbang:" | |
| UNKNOWN_EMOJI=":question:" | |
| OK_EMOJI=":white_check_mark:" | |
| BOT_NAME="nagios" | |
| NAGIOS_URL="mynagios.example.com" | |
| # Slack channel is 1st script argument | |
| CHANNEL="#$1" | |
| # Generate your webhook in Slack: Browse Apps > Custom Integrations > Incoming WebHooks | |
| SLACK_WEBHOOK="https://hooks.slack.com/services/T0xxxxxx/B6Nxxxxxx/xxxxxxxEXAMPLExxxxxxx" | |
| case $NAGIOS_SERVICESTATE in | |
| "CRITICAL" ) | |
| MESSAGE="*CRITICAL* service alert <!everyone>" | |
| EMOJI=$CRTIICAL_EMOJI | |
| ;; | |
| "WARNING" ) | |
| MESSAGE="*WARNING* service alert" | |
| EMOJI=$WARN_EMOJI | |
| ;; | |
| "OK" ) | |
| MESSAGE="*OK* service recovered" | |
| EMOJI=$OK_EMOJI | |
| ;; | |
| * ) | |
| MESSAGE="*UNKNOWN*service alert" | |
| EMOJI=$UNKNOWN_EMOJI | |
| ;; | |
| esac | |
| # Remove double quotes from nagios output, as may break payload | |
| OUTPUT=$(echo ${NAGIOS_SERVICEOUTPUT} | tr -d '"') | |
| MESSAGE="${MESSAGE} on *${NAGIOS_HOSTNAME}* \n*SERVICE:* ${NAGIOS_SERVICEDISPLAYNAME} \n*OUTPUT:* ${OUTPUT} \n<https://${NAGIOS_URL}/cgi-bin/nagios3/status.cgi?host=${NAGIOS_HOSTNAME}|See the details on the nagios server>" | |
| PAYLOAD="payload={\"channel\": \"${CHANNEL}\", \"username\": \"${BOT_NAME}\", \"text\": \"${EMOJI} ${MESSAGE}\", \"icon_emoji\": \"${IDENT_EMOJI}\", \"mrkdwn\": true}" | |
| # Send notification | |
| curl -X POST --data-urlencode """${PAYLOAD}""" ${SLACK_WEBHOOK} |
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