monit-slack-notify

monit-slack-notify

#!/bin/bash
#
# Monit alert to Slack Webhook
#
# Configuration:
#
# - touch /etc/monit-slack-notify.conf
# - chmod 600 /etc/monit-slack-notify.conf
# - vi /etc/monit-slack-notify.conf
#
# SLACK_WEBHOOK_URL=Your Slack Webhook URL
#
# Example:
#
# check filesystem disk_root with path /
#   group system
#   if changed fsflags then alert
#   if space usage > 90 % then exec "/usr/local/bin/monit-slack-notify"
#     else if succeeded then exec "/usr/local/bin/monit-slack-notify"
#   if inode usage > 90 % then exec "/usr/local/bin/monit-slack-notify"
#     else if succeeded then exec "/usr/local/bin/monit-slack-notify"

CONF_FILE="/etc/monit-slack-notify.conf"

SLACK_WEBHOOK_URL=$(egrep "^SLACK_WEBHOOK_URL=" "${CONF_FILE}" | cut -d'=' -f 2)

TARGET_HOST="${1:-${MONIT_HOST:-localhost}}"

if [[ "${TARGET_HOST}" == "localhost" ]]; then
    TARGET_HOST=$(hostname)
fi

PAYLOAD=$(cat << _EOF_
{
  "attachments": [
    {
      "title": "Monit: [${TARGET_HOST}] ${MONIT_SERVICE:-dummy_service} ${MONIT_EVENT:-dummy_event}",
      "color": "warning",
      "mrkdwn_in": ["text"],
      "fields": [
        { "title": "Date", "value": "${MONIT_DATE:-dummy_date}" },
        { "title": "Description", "value": "${MONIT_DESCRIPTION:-dummy_event}" }
      ]
    }
  ]
}
_EOF_
)

curl -s -X POST --data-urlencode "payload=${PAYLOAD}" "${SLACK_WEBHOOK_URL}"

Configuration:

touch /etc/monit-slack-notify.conf
chmod 600 /etc/monit-slack-notify.conf

• vi /etc/monit-slack-notify.conf

SLACK_WEBHOOK_URL=Your Slack Webhook URL