ChatOps with Hubot

Presentation for Leeds DevOps user group

Transcript

1. ChatOps with Hubot
   Lorna Mitchell, October 2015
   

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2. Think of DevOps
   

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3. This is ChatOps
   

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4. ChatOps
   Puts the "S" in CAMS
   A Culture of Automation, Measurement and Sharing
   

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5. ChatOps
   Brings the automation into the conversation.
   Team is in channel; information needs to be there too
   

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6. Choose Your Bot
   • Lita (ruby) https://www.lita.io/
   • Err (python) http://errbot.net/
   • Hubot (coffeescript) https://hubot.github.com/
   

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7. Hubot
   "Friendly chat robot from GitHub"
   • Shared plugins
   • Good community
   

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8. Supported Channels
   • Slack
   • Campfire
   • Hipchat
   • IRC
   • Shell
   • ... pluggable adapters
   

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9. Installation
   Very easy install via yeoman:
   https://hubot.github.com/docs/
   Bonus blog post: http://lrnja.net/1KugmaC
   Then: ./bin/hubot
   

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10. Meet Hugh
    Hugh is a hubot.
    Here, I'm running:
    • IRC server: miniircd
    https://github.com/jrosdahl/miniircd
    • IRC client: irssi http://irssi.org/
    

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11. Simply Deployable
    Designed to run on Heroku, easy to run elsewhere
    • Get Heroku toolchain
    • heroku create
    • Set environment variables
    • Configure Procfile
    • git push heroku master
    

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12. Many Plugins
    Search for "hubot [thing]" on https://www.npmjs.com/
    Install and add to list in external-scripts.json
    Or add your own code to scripts/
    

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13. Plugins
    Very easy scripting, make a scripts/*.coffee file and
    export a function:
    module.exports = (robot) ->
    # your code here
    

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14. Plugins
    Simple plugin: use cron to do a timed feature
    Also: happy hour, standup meetings
    

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15. Plugin Code
    ROOM = process.env.HUBOT_TIMESHEET_REMINDER_ROOM
    cronJob = require('cron').CronJob
    module.exports = (robot) ->
    doReminder = ->
    robot.messageRoom(ROOM, "This is a polite reminder.
    Fill in your timesheets for the week, please");
    job = new cronJob("0 0 17 * * 5", doReminder, null, true)
    https://github.com/lornajane/hubot-timesheet-reminder
    

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16. Managing Plugins
    

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17. robot.respond
    rules = [
    "1. A robot may not injure a human being or, through inaction, allow a hu
    "2. A robot must obey any orders given to it by human beings, except wher
    "3. A robot must protect its own existence as long as such protection doe
    ]
    module.exports = (robot) ->
    robot.respond /(what are )?the (three |3 )?(rules|laws)/i, (msg) ->
    text = msg.message.text
    msg.send rules.join('\n')
    

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18. robot.hear
    quotes = [
    "Life! Don't talk to me about life",
    "Life, loathe it or ignore it, you can't like it",
    "Life's bad enough as it is without wanting to invent any more of it",
    "Funny, how just when you think life can't possibly get any worse it sudd
    ]
    module.exports = (robot) ->
    robot.hear /(.*)(life)(.*)/i, (msg) ->
    msg.send msg.random quotes
    

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19. Webhooks
    Collate events from all tools into your chat rooms
    Alerts from:
    • monitoring/logs
    • commits
    • issues/pull requests
    • deploys
    

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20. Webhooks
    

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21. Webhooks In Practice
    

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22. Webhooks In Practice
    

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23. Webhooks In Practice
    

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24. Webhooks In Practice
    

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25. Developing for Webhooks
    To test webhooks on a dev platform, try ngrok
    (https://ngrok.com/)
    Secure tunnel to a port on your machine, with:
    • ability to inspect traffic
    • option to replay (rather than having to retrigger)
    

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26. API Calls
    Command your bot
    

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27. Team Relations
    • Thanks plugin
    • Karma
    • Ship It
    • The Rules
    

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28. ChatOps in Teams
    Unsolicited advice from me:
    • Works for open source and commercial teams
    • Build on existing plugins
    • Don't take it too seriously
    

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29. ChatOps in Teams
    Unsolicited advice from me:
    • Works for open source and commercial teams
    • Build on existing plugins
    • Don't take it too seriously
    • Never ask permission
    

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30. Thanks!
    

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