Ops for Devs

A quick introduction to the "devops" buzzword for those that don't like dealing with servers.

Transcript

1. OPS
   FOR DEVS
   

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3. OPS
   FOR DEVS
   

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4. Developers like to write
   CODE
   

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5. Developers hate dealing with
   SERVERS
   

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6. happiness
   

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7. Hardware
   happiness
   

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8. Operating System
   Hardware
   happiness
   

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9. Configuration
   Operating System
   Hardware
   happiness
   

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10. Framework
    Configuration
    Operating System
    Hardware
    happiness
    

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11. Business Logic
    Framework
    Configuration
    Operating System
    Hardware
    happiness
    

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12. LIFE WOULD BE
    AMAZING
    IF WE ONLY HAD TO WORRY ABOUT
    BUSINESS LOGIC
    

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13. BUT
    

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14. WE HAVE TO CARE
    ABOUT SERVERS
    bugs in production!
    version mismatches!
    kernel issues!
    hardware failures!
    security holes!
    architecture mismatches!
    missing hardware instructions!
    virtualization bugs!
    performance drops!
    server bills! client latency!
    bandwidth costs!
    internet!!1!
    omg hakx!
    

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15. how do we
    make servers
    look like code?
    

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17. full-featured
    Turing-complete
    very well supported
    

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18. class nginx {
    package { 'nginx': ensure => latest }
    service { 'nginx': ensure => running }
    file { '/etc/nginx/nginx.conf':
    ensure => present,
    source => 'puppet:///modules/nginx/nginx.conf',
    notify => Service['nginx'],
    }
    }
    

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19. configuration
    becomes code
    

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20. puppet code!
    app code!
    

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21. useful for
    one server
    

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22. invaluable for
    many servers
    

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23. also good for
    zero servers
    

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25. magical Vagrantfile
    

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26. Vagrant.configure("2") do |config|
    config.vm.box = "precise64"
    config.vm.box_url = "http://files.vagrantup.com/precise64.box"
    config.vm.network :forwarded_port, guest: 80, host: 8080
    config.vm.network :forwarded_port, guest: 443, host: 8443
    config.vm.synced_folder "./", "/var/www/"
    config.vm.provider :virtualbox do |vb|
    vb.customize ["modifyvm", :id, "--memory", "2048"]
    end
    config.vm.provision :puppet do |puppet|
    puppet.module_path = "puppet/modules"
    puppet.manifests_path = "puppet"
    puppet.manifest_file = "wubmachine.pp"
    end
    end
    choose any OS
    use your Puppet code
    share folders
    map
    ports
    

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28. puppet code environment
    =
    

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29. puppet code environment
    =
    using the same using the same
    

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30. dev/prod
    parity
    

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31. need ?
    mysql
    postgres
    memcached
    redis
    rabbitmq
    cassandra
    nginx
    buzzword
    buzzword
    buzzword
    

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32. capture in
    Puppet code
    

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33. test with
    Vagrant
    

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34. deploy with
    confidence
    

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35. setting up servers becomes
    trivial
    

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36. so when this happens...
    

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38. questions?
    @psobot
    

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