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![Example Attributes File
set[:postgresql][:version] = 8.4
set[:postgresql][:dir] =
/etc/postgresql/#{node[:postgresql][:version]}/main](https://image.slidesharecdn.com/chef-presentation-black-background-101202171831-phpapp02/75/Introduction-to-chef-framework-16-2048.jpg)
![PostgreSQL Server Recipe
include_recipe postgresql::client
package postgresql-#{node[:postgresql][:version]} do
action :install
end
template #{node[:postgresql][:dir]}/postgresql.conf do
source postgresql.conf.erb
owner postgres
group postgres
mode 0600
end
service postgresql-#{node[:postgresql][:version]} do
action :start
end](https://image.slidesharecdn.com/chef-presentation-black-background-101202171831-phpapp02/75/Introduction-to-chef-framework-17-2048.jpg)
![Recipe Features
include_recipe postgresql::client
package postgresql-#{node[:postgresql][:version]}
service postgresql do
service_name postgresql-#{node[:postgresql][:version]}
supports :restart = true, :status = true
action :nothing
end
template #{node[:postgresql][:dir]}/postgresql.conf do
source postgresql.conf.erb
owner postgres
group postgres
mode 0600
notifies :restart, service[postgresql]
end](https://image.slidesharecdn.com/chef-presentation-black-background-101202171831-phpapp02/75/Introduction-to-chef-framework-18-2048.jpg)
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Introduction to chef framework
- 1. Introduction to "Chef"framework Silesian Ruby Users Group Wojciech Wn¦trzak December 3, 2010
- 2. What Is Chef? OpenSource (Apache License v. 2.0) Framework Ruby Infrastructure conguration management tool
- 3. Chef Is Young Releasedon January 15th, 2009
- 4. Why To UseChef? Only one administration guy in company? Forces order in system Existing solutions for your problems Best practices
- 5. How To UseChef? chef-client + chef-server chef-client + Opscode Platform chef-solo
- 6. Chef Server Ruby gem(chef-server) Stores cookbooks Stores information about nodes Accessbile by REST API
- 7. Chef Server Elements CouchDB stores node informations SOLR data indexing RabbitMQ helps in indexing Merb API and web user interface
- 8. Chef Server Elements CouchDB stores node informations SOLR data indexing RabbitMQ helps in indexing Merb API and web user interface That is lot of stu !
- 9. Opscode Platform Free plan(upto 5 nodes) Conguration step by step Organizations and users managment
- 10. Chef Client Ruby gem(chef) Runs on machine that we want to congure Communicates with chef server Authenticates using RSA keys
- 11.
- 12. Chef Solo Part of chef gem Standalone run (without connecting to server) Uses cookbooks from local tarballs
- 13. Simple Workow Write cookbookwith recipe Upload it to chef server Dene run list by: editing node on chef server passing JSON le to chef-client Run chef-client on desired machine
- 14. Cookbooks Cookbooks for Chefare like RubyGems for 1 Ruby 1 I couldn't nd author
- 15.
- 16. Example Attributes File set[:postgresql][:version]= 8.4 set[:postgresql][:dir] = /etc/postgresql/#{node[:postgresql][:version]}/main
- 17. PostgreSQL Server Recipe include_recipepostgresql::client package postgresql-#{node[:postgresql][:version]} do action :install end template #{node[:postgresql][:dir]}/postgresql.conf do source postgresql.conf.erb owner postgres group postgres mode 0600 end service postgresql-#{node[:postgresql][:version]} do action :start end
- 18. Recipe Features include_recipe postgresql::client packagepostgresql-#{node[:postgresql][:version]} service postgresql do service_name postgresql-#{node[:postgresql][:version]} supports :restart = true, :status = true action :nothing end template #{node[:postgresql][:dir]}/postgresql.conf do source postgresql.conf.erb owner postgres group postgres mode 0600 notifies :restart, service[postgresql] end
- 19.
- 20. Package Providers Apt Yum MacPorts Many more
- 21.
- 22.
- 23.
- 24. Resources2 package template le user execute script (bash, ruby, perl, python, csh) http_request deploy 2 http://wiki.opscode.com/display/chef/Resources
- 25. Resources2 package template le user execute script (bash, ruby, perl, python, csh) http_request deploy Many more 2 http://wiki.opscode.com/display/chef/Resources
- 26. Additional Tools -Ohai Released as a gem ohai Collects system conguration/information Returns JSON
- 27. Additional Tools -Knife Part of chef gem Console tool for chef server managment
- 28. Tips If using RVM, use rvmsudo for chef-client Take a look at chef bootstrap3 Remember that Ruby (Chef) uses sh, not bash 3 http://wiki.opscode.com/display/chef/Bootstrap+Chef+RubyGems+ Installation
- 29.
- 30.