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![Ruby!
extra_packages = case node['platform']
when "ubuntu","debian"
%w{
ruby1.8
ruby1.8-dev
rdoc1.8
ri1.8
libopenssl-ruby
}
end
extra_packages.each do |pkg|
package pkg do
action :install
end
end](https://image.slidesharecdn.com/openstackconf2012-openstackdeploymentswithchef-120420135856-phpapp02/85/OpenStack-Deployments-with-Chef-20-320.jpg)
![Pass Results to Templates
pool_members = search("node","role:webserver”)
template "/etc/haproxy/haproxy.cfg" do
source "haproxy-app_lb.cfg.erb"
owner "root"
group "root"
mode 0644
variables :pool_members => pool_members.uniq
notifies :restart, "service[haproxy]"
end](https://image.slidesharecdn.com/openstackconf2012-openstackdeploymentswithchef-120420135856-phpapp02/85/OpenStack-Deployments-with-Chef-23-320.jpg)
![Pass Results to Templates
# Set up application listeners here.
listen application 0.0.0.0:80
balance roundrobin
<% @pool_members.each do |member| -%>
server <%= member[:hostname] %> <%= member[:ipaddress] %>:> weight 1 maxconn 1 check
<% end -%>
<% if node["haproxy"]["enable_admin"] -%>
listen admin 0.0.0.0:22002
mode http
stats uri /
<% end -%>](https://image.slidesharecdn.com/openstackconf2012-openstackdeploymentswithchef-120420135856-phpapp02/85/OpenStack-Deployments-with-Chef-24-320.jpg)
![knife openstack
$ knife openstack
Available openstack subcommands: (for details, knife SUB-
COMMAND --help)
** OPENSTACK COMMANDS **
knife openstack flavor list (options)
knife openstack image list (options)
knife openstack server create (options)
knife openstack server delete SERVER [SERVER] (options)
knife openstack server list (options)](https://image.slidesharecdn.com/openstackconf2012-openstackdeploymentswithchef-120420135856-phpapp02/85/OpenStack-Deployments-with-Chef-39-320.jpg)
Uploaded byMatt Ray
OpenStack Deployments with Chef
The document discusses the use of Chef for deploying and managing OpenStack, highlighting the complexities of infrastructure and how Chef simplifies processes through infrastructure as code. It outlines how Chef allows for programmatic provisioning, configuration management, and integration of various resources, including load balancers and databases. The document also touches on community collaboration, existing resources, and the roadmap for future enhancements of Chef's OpenStack capabilities.
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OpenStack Deployments with Chef
- 1. OpenStack Deployments withChef OpenStack Conference Spring 2012 Matt Ray matt@opscode.com IRC/Twitter/LP/GitHub: mattray www.opscode.com
- 2. Deploying and Managing OpenStackis not simple.
- 3. Chef makes iteasier.
- 4.
- 5.
- 6. See Nodes Grow ApplicationServer Application Databases
- 7. See Nodes Grow ApplicationServers Application Databases
- 8. See Nodes Grow LoadBalancer Application Servers Application Databases
- 9. See Nodes Grow LoadBalancers Application Servers Application Databases
- 10. See Nodes Grow LoadBalancers Application Servers Application Database Cache Application Databases
- 11. Tied together withConfig Load Balancers Application Servers Application Database Cache Application Databases
- 12. Infrastructure is aSnowflake Load Balancers Application Servers Application Database Cache Floating IP? Application Databases
- 13. Evolving Complexity Load Balancers ApplicationCache Application Servers NoSQL Database Cache Database Slaves Database
- 14. Complexity Grows Quickly DC2 DC1 DC3
- 15. And it Continuesto Evolve http://www.flickr.com/photos/16339684@N00/2681435235/
- 16. Chef is Infrastructureas Code • Programmatically provision and configure • Treat like any other code base • Reconstruct business from code repository, data backup, and bare metal resources. http://www.flickr.com/photos/louisb/4555295187/
- 17. Nodes •Chef-Client generates configurations directly on nodes from their run list • Reduce management complexity through abstraction • Store the configuration of your programs in version control http://www.flickr.com/photos/ssoosay/5126146763/
- 18. Collections of Resources •Networking • Routes • Users • Files • Groups • Directories • Tasks • Symlinks • Packages • Mounts • Software • Services • Configurations • Other Stuff http://www.flickr.com/photos/stevekeys/3123167585/
- 19. Declarative Interface toResources • Define policy • Say what, not how • Pull not Push http://www.flickr.com/photos/bixentro/2591838509/
- 20. Ruby! extra_packages = casenode['platform'] when "ubuntu","debian" %w{ ruby1.8 ruby1.8-dev rdoc1.8 ri1.8 libopenssl-ruby } end extra_packages.each do |pkg| package pkg do action :install end end
- 21. Recipes and Cookbooks • Recipes are collections of Resources • Cookbooks contain recipes, templates, files, custom resources, etc • Code re-use and modularity • Hundreds already on Community.opscode.com http://www.flickr.com/photos/shutterhacks/4474421855/
- 22. Search • Search for nodes with Roles • Find configuration data • IP addresses • Hostnames • FQDNs http://www.flickr.com/photos/kathycsus/2686772625
- 23. Pass Results toTemplates pool_members = search("node","role:webserver”) template "/etc/haproxy/haproxy.cfg" do source "haproxy-app_lb.cfg.erb" owner "root" group "root" mode 0644 variables :pool_members => pool_members.uniq notifies :restart, "service[haproxy]" end
- 24. Pass Results toTemplates # Set up application listeners here. listen application 0.0.0.0:80 balance roundrobin <% @pool_members.each do |member| -%> server <%= member[:hostname] %> <%= member[:ipaddress] %>:> weight 1 maxconn 1 check <% end -%> <% if node["haproxy"]["enable_admin"] -%> listen admin 0.0.0.0:22002 mode http stats uri / <% end -%>
- 25. So when this Graphite Nagios Jboss App Memcache Postgres Slaves Postgres Master
- 26. Becomes this Graphite Nagios Jboss App Memcache Postgres Slaves Postgres Master
- 27. Updates can beautomatic Graphite Nagios Jboss App Memcache Postgres Slaves Postgres Master
- 28. Count the resources • Load balancer config Graphite Nagios • Nagios host ping • Nagios host ssh Jboss App • Nagios host HTTP • Nagios host app health Memcache • Graphite CPU • Graphite Memory Postgres Slaves • Graphite Disk • Graphite SNMP • Memcache firewall • 12+ resource changes for 1 node addition • Postgres firewall Postgres authZ config
- 29. Build anything • Simple internal applications • Complex external applications • Workstations • Hadoop clusters • IaaS infrastructure • PaaS infrastructure • SaaS applications • Storage systems • You name it http://www.flickr.com/photos/hyku/245010680/
- 30. And manage itsimply • Automatically reconfigure everything • Linux, Windows, Unixes, BSDs • Load balancers • Metrics collection systems • Monitoring systems • Cloud migrations become trivial http://www.flickr.com/photos/helico/404640681/
- 31. The Chef Community • Apache License, Version 2.0 • 675+ Individual contributors • 125+ Corporate contributors • Dell, Rackspace, VMware, DreamHost, Joyent, Heroku, RightScale, Deutsche Telekom and many more • 450+ cookbooks • http://community.opscode.com
- 32. What's Out There? openstack-cookbooks openstack-chef Resources chef-openstack crowbar
- 33. Opscode • Bexar/Cactus, now deprecated • original source for many other efforts • Crowbar • Mercado Libre • HP • Apache 2 license • http://wiki.opscode.com/display/chef/ Deploying+OpenStack+with+Chef • github.com/mattray/openstack-cookbooks
- 34. TryStack • TryStack.org, NTT & others • Smokestack testing • Xen & PostgreSQL • Apache 2 license • #trystack on irc.freenode.org & Facebook • github.com/openstack/openstack-chef
- 35. Rackspace Cloud Builders • Rackspace, DreamHost, Opscode & others • KVM & MySQL on Ubuntu 12.04 (others) • Apache 2 license • #openstack-chef on irc.freenode.net • github.com/osops/ • monitoring, logging, operations tools • github.com/rcbops/chef-cookbooks
- 36. Crowbar • Datacenter installer from Dell • Extension of the Chef server • "Barclamps" contain cookbooks + more • Dell released under the Apache 2 license • Dell, enStratus, Opscode & many others • Mailing list and Skype • github.com/dellcloudedge/crowbar
- 37. Deploying OpenStack • Chef ties it all together automatically • Scaling changes how we deploy • Interchangeable components • Configurations shared, supported & documented • Licensing makes it available to everyone
- 38.
- 39. knife openstack $ knifeopenstack Available openstack subcommands: (for details, knife SUB- COMMAND --help) ** OPENSTACK COMMANDS ** knife openstack flavor list (options) knife openstack image list (options) knife openstack server create (options) knife openstack server delete SERVER [SERVER] (options) knife openstack server list (options)
- 40. knife openstack flavorlist $ knife openstack flavor list ID Name Virtual CPUs RAM Disk 1 m1.tiny 1 512 MB 0 GB 2 m1.small 1 2048 MB 20 GB 3 m1.medium 2 4096 MB 40 GB 4 m1.large 4 8192 MB 80 GB 5 m1.xlarge 8 16384 MB 160 GB
- 41. knife openstack imagelist $ knife openstack image list ID Name 13 natty-server-cloudimg-amd64 12 natty-server-cloudimg-amd64-kernel 15 oneiric-server-cloudimg-amd64 14 oneiric-server-cloudimg-amd64-kernel
- 42. knife openstack servercreate knife openstack server create --node-name ko1 --flavor 1 --image 13 -S trystack
- 44. $ ssh -i~/.ssh/trystack.pem ubuntu@8.21.28.24 The authenticity of host '8.21.28.24 (8.21.28.24)' can't be established. RSA key fingerprint is 0c:d8:3e:34:d1:de:c4:ee:5f:bc:b5:89:11:0d:73:e0. Are you sure you want to continue connecting (yes/no)? yes Warning: Permanently added '8.21.28.24' (RSA) to the list of known hosts. Welcome to Ubuntu 11.04 (GNU/Linux 2.6.38-13-virtual x86_64) * Documentation: https://help.ubuntu.com/ System information as of Thu Feb 16 23:43:29 UTC 2012 System load: 0.08 Processes: 63 Usage of /: 40.8% of 1.35GB Users logged in: 0 Memory usage: 6% IP address for eth0: 8.21.28.24 Swap usage: 0% --------------------------------------------------------------------- <snip> Get cloud support with Ubuntu Advantage Cloud Guest http://www.ubuntu.com/business/services/cloud The programs included with the Ubuntu system are free software; the exact distribution terms for each program are described in the individual files in /usr/share/doc/*/copyright. Ubuntu comes with ABSOLUTELY NO WARRANTY, to the extent permitted by applicable law. To run a command as administrator (user "root"), use "sudo <command>". See "man sudo_root" for details. ubuntu@ko1:~$
- 45. Chef for InfrastructurePortability • knife ec2 • knife rackspace • knife hp • knife openstack • ... and many others
- 46. What's Next? http://www.flickr.com/photos/felixmorgner/4347750467/
- 47. knife-openstack Roadmap • http://wiki.opscode.com/display/chef/ OpenStack+Bootstrap+Fast+Start+Guide • Merges & publish on rubygems.org • Testing with Essex • tickets.opscode.com/browse/ KNIFE_OPENSTACK
- 48. Chef Roadmap • Chef 0.10.10 • Full Stack installer • Linux, BSDs, OSX, Solaris (Illumos), Windows • Chef 11 • Reporting • Dry Run
- 49. OpenStack Cookbooks Roadmap • Additional Hypervisors • More Databases • Operations Support • HA Configuration • Additional Operating Systems • Folsom (Quantum, Melange, etc.)
- 50. Opscode's OpenStack Roadmap • Collaborate with the Community • Reference cookbooks for Essex • OpenStack Quick Start tutorial • Refresh Deploying OpenStack with Chef • Knife OpenStack enhancements
- 51. Thanks! Matt Ray matt@opscode.com IRC/Twitter/LP/GitHub: mattray www.opscode.com