A Slack notification using an incoming webhook to show events from Zenoss.

To use:

• Install the ZenPack using zenpack--install=PATH_TO_EGG
• In Slack, create a new Incoming WebHook
• Set the channel to post to, i.e. #alerts
• Set the name of the bot, i.e. Zenoss-bot
• Set a custom icon, i.e. search for one you like and upload it.
• Copy the WebHook URL
• In Zenoss, click Events then Triggers, and then Notifications
• Create a new Notification by clicking the +, give it a name like "PushToSlack" and choose "Slack" from the Action pulldown
• click Submit to save
• Open the new notification and click content.
• Paste the webhook Url in to the slackUrl field
• click Submit to save