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Discussion, advise and code for using techniques like configuration management and virtualisation for managing local development environments.Talk given at FOSDEM 2011 in the Configuration and Systems Management room.
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gareth rushgrove | morethanseven.net
Configuration Managementfor Development Environments
FOSDEM 6th February 2011
http://www.flickr.com/photos/doistrakh/3448860299
Gareth Rushgrove
gareth rushgrove | morethanseven.net
morethanseven.net
Work at FreeAgent
gareth rushgrove | morethanseven.net
freeagentcentral.com
devopsweekly.com
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http://www.flickr.com/photos/arttravel_nz/4178520218gareth rushgrove | morethanseven.net
Problems
gareth rushgrove | morethanseven.net http://www.flickr.com/photos/samagnew/3179259502/
1. Not all developers want to be sysadmins
http://www.flickr.com/photos/gregwake/4927118859gareth rushgrove | morethanseven.net
2. New employees
3. Works on my machine
gareth rushgrove | morethanseven.net
4. Running a full stack locally
gareth rushgrove | morethanseven.net http://www.flickr.com/photos/donaldmacleod/5216044050
http://www.flickr.com/photos/thesuttonfamily/2663990050
5. Service based architectures
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gareth rushgrove | morethanseven.net http://www.flickr.com/photos/exalthim/3597210568
Solutions
http://www.flickr.com/photos/robdray/4805444111
1. Virtualisation
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VirtualBox
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VMware
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Virtualisation needs powerful hardware
gareth rushgrove | morethanseven.net http://www.flickr.com/photos/martinoc/477335951
gareth rushgrove | morethanseven.net http://www.flickr.com/photos/monkeyc/3496523476
What about editing code?
Shared Folders or NFS
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Doubledown
Vim
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gareth rushgrove | morethanseven.net http://www.flickr.com/photos/monkeyc/3496521334
To the Cloud
Amazon EC2
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Rackspace Cloud
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Private Clouds
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Devstructure
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devstructure.com
2. Local configuration management
gareth rushgrove | morethanseven.net http://www.flickr.com/photos/popcorncx/3516880947
Chef solo
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Puppet standalone
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Vagrant
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vagrantup.com
What is Vagrant?
gareth rushgrove | morethanseven.net
- Automated virtual machine creation using Oracle’s VirtualBox
- Automated provisioning of virtual environments using Chef or Puppet
- Full SSH access to created environments
- Assign a static IP to your VM, accessible from your machine
- Forward ports to the host machine
- Shared folders allows you to continue using your own editor
- Package environments into distributable boxes
- Completely tear down environment when you’re done
- Easily rebuild a complete environment with a single command
$ gem install vagrant$ vagrant box add lucid32 http://.../lucid32.box$ vagrant init$ vagrant up
Vagrant up
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Vagrant::Config.run do |config| config.vm.box = "lucid32"end
Vagrantfile
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Vagrant::Config.run do |config| config.vm.forward_port("web", 80, 8080) config.vm.forward_port("ftp", 21, 4567) config.vm.forward_port("ssh", 22, 2222, :auto => true)end
Port forwarding
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Vagrant::Config.run do |config| config.vm.share_folder("folder", "/guest", "../host")end
Shared folders
gareth rushgrove | morethanseven.net
Vagrant::Config.run do |config| config.vm.define :web do |web_config| web_config.vm.box = "web" web_config.vm.forward_port("http", 80, 8080) end
config.vm.define :db do |db_config| db_config.vm.box = "db" db_config.vm.forward_port("db", 3306, 3306) endend
Multiple VMs
gareth rushgrove | morethanseven.net
Vagrant provisioning with Puppet
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Vagrant::Config.run do |config| config.vm.provision :puppet do |puppet| puppet.manifests_path = "puppetmanifests" puppet.manifest_file = "newbox.pp" endend
Vagrant provisioning with Chef
gareth rushgrove | morethanseven.net
Vagrant::Config.run do |config| config.vm.provision :chef_solo do |chef| chef.roles_path = "roles" chef.add_role("vm") endend
Vagrant::Config.run do |config| config.vm.provision :chef_solo do |chef| chef.recipe_url = "http://github.com/cookbooks.tar.gz" chef.add_recipe "garethr" chef.cookbooks_path = [:vm, "cookbooks"] chef.json.merge!({ :garethr => { :ohmyzsh => "https://github.com/.../oh-my-zsh.git", :dotvim => "https://github.com/garethr/dotvim.git" }}) endend
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Remote Tar File
gareth rushgrove | morethanseven.net http://www.flickr.com/photos/s3a/4710416678
Base boxes
VeeWee
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gareth rushgrove | morethanseven.net ttp://www.flickr.com/photos/moonboots/40371626
Conclusions
gareth rushgrove | morethanseven.net http://www.flickr.com/photos/exalthim/1783760822
http://www.flickr.com/photos/s__i/1016532054
1. Executable documentation
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gareth rushgrove | morethanseven.net http://www.flickr.com/photos/matthewgriff/3981894124
2. Early testing of recipes or manifests
3. Shared language between dev and ops
gareth rushgrove | morethanseven.net http://www.flickr.com/photos/matthias17/756090070
FOSDEM11
Extra month free for FreeAgent
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Questions?
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