A simple Cabot alerting plugin for Slack. It's intended as a general "alert log" and not as a primary source for on-call alerts, and as such it doesn't do anything with the duty roster or subscriptions.
# add the plugin to the list of enabled plugins
CABOT_PLUGINS_ENABLED=...,cabot_alert_slack==1.0
SLACK_WEBHOOK_URL=https://...
SLACK_ALERT_CHANNEL="#monitoring"