Seattle OpenStack Meetup
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Sarah Novotny and Matt Ray's presentation from the Seattle OpenStack Meetup on 10/19/2011. Covered Chef basics and a snapshot of the current state of OpenStack cookbook development.
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Seattle OpenStack Meetup
- 1. Deploying OpenStack with Opscode Chef sarah@opscode.com www.opscode.com Thursday, October 20, 2011
- 2. Who am I? • Sarah Novotny • Senior Field Architect • Opscode, Inc. !"#$#%&'$ • @sarahnovotny ()#)*$ • irc: senk +),*-./$ Thursday, October 20, 2011
- 3. Deploying OpenStack is not simple. Thursday, October 20, 2011
- 4. Chef makes it easier. Thursday, October 20, 2011
- 5. Infrastructure as Code Thursday, October 20, 2011
- 6. Enable the reconstruction of the business from nothing but a source code repository, an application data backup, and bare metal resources. Thursday, October 20, 2011
- 7. Configuration Management Thursday, October 20, 2011
- 8. System Integration http://www.flickr.com/photos/opalsson/3773629074/ Thursday, October 20, 2011
- 9. Thursday, October 20, 2011
- 10. The Chef Framework • Reasonability • Flexibility • Library & Primitives • TIMTOWTDI Thursday, October 20, 2011
- 11. The Chef Tool(s) • ohai • chef-client • knife • shef Thursday, October 20, 2011
- 12. The Chef API • Client/Server • RESTful API w/ JSON • Search Service Thursday, October 20, 2011
- 13. Chef Nodes • Each system you manage is called a node. • The chef-client runs on nodes. • The ohai discovery agent runs on nodes. • Nodes have a run list. • Searchable Thursday, October 20, 2011
- 14. Chef Resources package "haproxy" do action :install end • Have a type. • template "/etc/haproxy/haproxy.cfg" do Have a name. source "haproxy.cfg.erb" • Have parameters. owner "root" group "root" • Take action to put the resource mode 0644 notifies :restart, "service[haproxy]" in the declared state. end • Can send notifications to other service "haproxy" do resources. supports :restart => true action [:enable, :start] • Take action through Providers end Thursday, October 20, 2011
- 15. Chef Recipes extra_packages = case node[:platform] when "ubuntu","debian" %w{ ruby1.8 ruby1.8-dev • Ordered list of Resources rdoc1.8 ri1.8 • Idempotent execution } libopenssl-ruby • Ruby end extra_packages.each do |pkg| package pkg do action :install end end Thursday, October 20, 2011
- 16. Chef Cookbooks • Cookbooks are packages for Recipes • Recipes • Assets (files/templates) • Attributes • Metadata • Distributable and managed as Source • community.opscode.com Thursday, October 20, 2011
- 17. Chef Roles • Roles describe the node. • Roles have run lists. • Roles have attributes. • Roles may contain other roles. • Searchable. • Webserver, database, Hadoop-worker, etc. Thursday, October 20, 2011
- 18. Chef Data Bags • Data bags store arbitrary data • JSON • Searchable Thursday, October 20, 2011
- 19. The Chef Community • Apache License, Version 2.0 • 400+ Individual contributors • 90+ Corporate contributors • Dell, Rackspace,VMware, RightScale, Heroku, and many more • 300+ cookbooks • http://community.opscode.com Thursday, October 20, 2011
- 20. openstack-cookbooks Resources Thursday, October 20, 2011
- 21. github.com/opscode/openstack-chef-repo • Chef repository • cookbooks • roles • data bags • diablo & essex milestones • issues Thursday, October 20, 2011
- 22. OpenStack Cookbooks • Included • glance • nova • swift • Future • dashboard • keystone Thursday, October 20, 2011
- 23. OpenStack Roles • nova-single-machine • nova-db • nova-rabbitmq-server • glance-single-machine • nova-multi-controller • nova-multi-compute • bit.ly/OSChef will receive a major update at or before the OpenStack dev conference Thursday, October 20, 2011
- 24. Thursday, October 20, 2011
- 25. OpenStack Data Bags knife data bag create openstack knife data bag from file openstack defaults.json knife data bag from file openstack glance.json knife data bag from file openstack images.json knife data bag show openstack images id: images images: http://uec-images.ubuntu.com/lucid/current/ubuntu-10.04- server-uec-amd64.tar.gz: arch: x86_64 distro: Ubuntu image: lucid-server-uec-amd64.img kernel: lucid-server-uec-amd64-vmlinuz-virtual version: 10.04 Thursday, October 20, 2011
- 26. Deploying OpenStack • Scaling changes how we deploy • Nova installation with Glance, Keystone & Dashboard • Production-ready Swift soon • Lightweight HA • Upgradeable • Configurations will be supported, shared & documented Thursday, October 20, 2011
- 27. Spiceweasel • yaml/json for describing infrastructure • generates knife commands • shareable "best practices" • infrastructure.yml included • bit.ly/spcwsl Thursday, October 20, 2011
- 28. Testing OpenStack • bare-metal to OpenStack • ~15 minutes • pxe_dust cookbook • 2 networks • admin • public Thursday, October 20, 2011
- 29. Crowbar • OpenStack installer from Dell • Components are "barclamps" • Dell released this under the Apache 2 license • Extension of the Chef server • Developed by Dell, Rackspace & Opscode • https://github.com/dellcloudedge/ crowbar Thursday, October 20, 2011
- 30. knife openstack Thursday, October 20, 2011
- 31. knife openstack $ gem install knife-openstack $ knife openstack ** OPENSTACK COMMANDS ** knife openstack server list (options) knife openstack flavor list (options) knife openstack server create (options) knife openstack server delete SERVER [SERVER] (options) knife openstack image list (options) Thursday, October 20, 2011
- 32. knife.rb knife[:openstack_access_key_id] = "MeMpLexdnjmXeXGMx:admin" knife[:openstack_secret_access_key] = "nFjXAKl5G6VaXE3bVuwi" knife[:openstack_api_endpoint] = "http://192.168.11.9:8773/services/Cloud" Thursday, October 20, 2011
- 33. knife openstack server create -S mykey -x ubuntu -I ami-4b0ff834 -f m1.tiny -r 'role[webserver]' Thursday, October 20, 2011
- 34. What's Next? http://www.flickr.com/photos/felixmorgner/4347750467/ Thursday, October 20, 2011
- 35. Nova Roadmap • Diablo support is under active development • Network Types • Flat, FlatDHCP, VLANs, HA DHCP • Multiple Hypervisors • KVM, Xen, LXC, Hyper-V • Databases • PostgreSQL, Drizzle Thursday, October 20, 2011
- 36. Swift Roadmap • Diablo support is next for active development • Rackspace has a lot of operational experience to incorporate • Other vendors will collaborate • Ceph? Thursday, October 20, 2011
- 37. OpenStack Roadmap • Diablo release (RCB patches) • Reference Architectures • Essex milestones (RCB patches) • More collaborators • RHEL 6 & Fedora • Windows Thursday, October 20, 2011
- 38. Get Involved! • https://github.com/opscode/openstack- chef-repo • https://github.com/dellcloudedge • http://wiki.opscode.com/display/chef/ Deploying+OpenStack+with+Chef • irc.freenode.net #chef #openstack • Twitter/GitHub/Launchpad/IRC:mattray • matt@openstack.org/matt@opscode.com Thursday, October 20, 2011
- 39. Questions? http://www.flickr.com/photos/mrchippy/443960682/ Thursday, October 20, 2011
- 40. Thanks! http://www.opscode.com Thursday, October 20, 2011