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Progress Chef

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Progress Chef
Stable release
11.10.4[1] / February 20, 2014; 11 years ago (2014-02-20)
Repository
Written inRuby (client) and Erlang (server)
Operating systemGNU/Linux, AT&T Unix, MS Windows, BSD, Mac OS X
TypeConfiguration management, System administration, Network management, Cloud management, Continuous delivery, DevOps
LicenseApache License
Websitewww.getchef.com

Chef is a configuration management tool written in Ruby and Erlang. It uses a pure-Ruby, domain-specific language (DSL) for writing system configuration "recipes". Chef is used to streamline the task of configuring & maintaining a company's servers, and can integrate with cloud-based platforms such as Rackspace, Amazon EC2, Google Cloud Platform, OpenStack and Microsoft Azure to automatically provision and configure new machines.

Features

The user writes "recipes" that describe how Chef manages server applications (such as Apache HTTP Server, MySQL, or Hadoop) and how they are to be configured. These recipes describe a series of resources that should be in a particular state: packages that should be installed, services that should be running, or files that should be written. Chef makes sure each resource is properly configured and corrects any resources that are not in the desired state.[2]

Chef can run in client/server mode, or in a standalone configuration named "chef-solo". In client/server mode, the Chef client sends various attributes about the node to the Chef server. The server uses Solr to index these attributes and provides an API for clients to query this information. Chef recipes can query these attributes and use the resulting data to help configure the node.

Traditionally, Chef is used to manage Linux but later versions support Microsoft Windows as well.[3]

It is one of the four major configuration management systems on Linux, along with CFEngine, Bcfg2, and Puppet.[4][5]

History

In February 2013, Opscode released version 11 of Chef. Changes in this release included a complete rewrite of the core API server in Erlang.[6]

Platform support

Chef focuses its cookbook supportability on the following platforms: Ubuntu, Debian, RHEL/CentOS, Fedora, Mac OS X, Windows 7, and Windows Server.[7]

License

Although the Chef source code is licensed under the Apache license, compiled packages for Redhat and Ubuntu are available as "Enterprise Chef" under the following subscriptions:[8]

Free Launch Standard Premium
Price per month US-$0 US-$120 US-$300 US-$600
Nodes 5 20 50 100
Support by Community Full support Full support Full support

Users

Chef is used by Airbnb, Mozilla, Facebook,[9] HP Public Cloud,[10] Prezi,[11] Ancestry.com,[12] Rackspace,[13] Get Satisfaction, IGN, Marshall University, Socrata, University of Minnesota, Wharton School of the University of Pennsylvania, Bonobos, Splunk, and Cheezburger, among others.[14]

See also

  1. ^ "Release: Chef Client Patch Release: 11.10.4". GetChef.com. 20 February 2014.
  2. ^ "Chef", Opscode
  3. ^ "Chef & Puppet", Wired, Oct 2011
  4. ^ "Puppet vs Chef battle wages", Script rock.
  5. ^ Lueninghoener, C (April 2011), "Getting Started with Configuration Management" (PDF), ;login:, 36 (2), Usenix, retrieved 2012-11-23
  6. ^ "Chef 11 Released!". Opscode. 4 February 2013.
  7. ^ wiki.opscode.com/display/chef/Cookbook+Support
  8. ^ www.getchef.com/chef/
  9. ^ "Facebook uses a seasoned Chef to keep servers simmering". pcadvisor.co.uk. Retrieved 6 January 2014.
  10. ^ "ChefConf Readout: Chef to Enable the Full Continuous Deployment Pipeline". HPCloud.com. Retrieved 25 June 2012.
  11. ^ How Chef Enables the DevOps Culture at Prezi - Zsolt Dollenstein on YouTube Cite error: The named reference "prezi" was defined multiple times with different content (see the help page).
  12. ^ Creating a Culture for Continuous Delivery - John Esser on YouTube
  13. ^ www.rackspace.com/devops/
  14. ^ www.getchef.com/customers/


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