Class: BuildCloud::IAMRole

Inherits:
Object
  • Object
show all
Includes:
Component
Defined in:
lib/build-cloud/iamrole.rb

Constant Summary collapse

@@objects = 
[]

Instance Method Summary collapse

Methods included from Component

included

Constructor Details

#initialize(fog_interfaces, log, options = {}) ⇒ IAMRole

Returns a new instance of IAMRole.



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# File 'lib/build-cloud/iamrole.rb', line 9

def initialize ( fog_interfaces, log, options = {} )

    @iam     = fog_interfaces[:iam]
    @log     = log
    @options = options

    @log.debug( options.inspect )

    required_options(:rolename, :assume_role_policy_document)

end

Instance Method Details

#create ⇒ Object 



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# File 'lib/build-cloud/iamrole.rb', line 21

def create
    
    return if exists?

    @log.info( "Creating new IAM role for #{@options[:rolename]}" )

    policies = @options.delete(:policies)

    # Genuinely don't think I've understood the data model with 
    # this stuff.  In particular how roles, instance profiles etc. relate
    #
    # It does what we need right now though, and can be revisited if necessary

    role = @iam.roles.new( @options )
    role.save

    @log.debug( role.inspect )

    policies.each do |policy|

        @log.debug( "Adding policy #{policy}" )

        policy_document = JSON.parse( policy[:policy_document] )

        @iam.put_role_policy( @options[:rolename], policy[:policy_name],
            policy_document )

        @iam.create_instance_profile( @options[:rolename] )
        @iam.add_role_to_instance_profile( @options[:rolename], @options[:rolename] )

    end

end

#delete ⇒ Object 



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# File 'lib/build-cloud/iamrole.rb', line 61

def delete

    return unless exists?

    @log.info( "Deleting IAM role for #{@options[:rolename]}" )

    instance_profiles = @iam.list_instance_profiles_for_role( @options[:rolename] ).body['InstanceProfiles'].map { |k| k['InstanceProfileName'] }
    instance_profiles.each do |ip|
        @iam.delete_instance_profile( ip )
        @iam.remove_role_from_instance_profile( @options[:rolename], ip )
    end

    policies = @iam.list_role_policies( @options[:rolename] ).body['PolicyNames']
    policies.each do |policy|
        @iam.delete_role_policy( @options[:rolename], policy )
    end


    fog_object.destroy

end

#read ⇒ Object Also known as: fog_object 



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# File 'lib/build-cloud/iamrole.rb', line 55

def read
    @iam.roles.select { |r| r.rolename == @options[:rolename] }.first
end