Slack notification script

slack-notify

#!/bin/env bash

# Slack Notifications
SLACK_WEBHOOK_URL_DEFAULT="https://hooks.slack.com/services/GET/A/LINK"
SLACK_WEBHOOK_URL="$SLACK_WEBHOOK_URL_DEFAULT"
SLACK_PREFIX="${SLACK_PREFIX:=\`$(hostname)\`}"

# notify about error on slack channel if errors happened
function _slack_notify() {
    local ERROR_MESSAGE="$SLACK_PREFIX | $1"
    curl -X POST -H 'Content-type: application/json' --data '{"text": "'"$ERROR_MESSAGE"'"}' "$SLACK_WEBHOOK_URL" &>/dev/null
}

# pass arguments to function
_slack_notify "$@"