Class: Cloudster::ChefClient

Inherits:
Object
  • Object
show all
Defined in:
lib/cloudster/chef_client.rb

Overview

UserData for Chef Client bootstrap

Instance Method Summary collapse

Constructor Details

#initialize(options = {}) ⇒ ChefClient

Initialize an ChefClient configuration

Notes

options parameter must include values for :validation_key, :server_url and :node_name

Examples

chef_client = Cloudster::ChefClient.new(
 :validation_key => 'asd3e33880889098asdnmnnasd8900890a8sdmasdjna9s880808asdnmnasd90-a',
 :server_url => 'http://10.50.60.70:4000',
 :node_name => 'project.environment.appserver_1',
 :validation_client_name => 'chef-validator',
 :interval => 1800
)

Parameters

  • options<~Hash> -

    * :validation_key: String containing the key used for validating this client with the server. This can be taken from the chef-server validation.pem file. Mandatory field
* :server_url: String containing the fully qualified domain name of the chef-server. Mandatory field
* :node_name: String containing the name for the chef node. It has to be unique across all nodes in the particular chef client-server ecosystem. Mandatory field
* :interval: Integer containing the interval(in seconds) between chef-client runs. Default value : 1800 seconds
* :validation_client_name: String containing the name of the validation client. "ORGNAME-validator" if using hosted chef server. Default: 'chef-validator'



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# File 'lib/cloudster/chef_client.rb', line 26

def initialize(options = {})
  require_options(options, [:validation_key, :server_url, :node_name])
  @validation_key = options[:validation_key]
  @server_url = options[:server_url]
  @node_name = options[:node_name]
  @interval = options[:interval] || 1800
  @validation_client_name = options[:validation_client_name] || 'chef-validator'
end

Instance Method Details

#add_to(ec2) ⇒ Object

Merges the required CloudFormation template for installing the Chef Client to the template of the EC2 instance

Examples

chef_client = Cloudster::ChefClient.new(
 :validation_key => 'asd3e33880889098asdnmnnasd8900890a8sdmasdjna9s880808asdnmnasd90-a',
 :server_url => 'http://10.50.60.70:4000',
 :node_name => 'project.environment.appserver_1'
)
ec2 = Cloudster::Ec2.new(
 :name => 'AppServer',
 :key_name => 'mykey',
 :image_id => 'ami_image_id',
 :instance_type => 't1.micro'
)

chef_client.add_to ec2

Parameters

  • instance of EC2



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# File 'lib/cloudster/chef_client.rb', line 55

def add_to(ec2)
  ec2_template = ec2.template
  @instance_name = ec2.name
  chef_client_template = template
  ec2.template.inner_merge(chef_client_template)
end