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fog--fog/lib/fog/aws/elb.rb
2010-09-14 10:51:13 -07:00

103 lines
3.2 KiB
Ruby

module Fog
module AWS
class ELB < Fog::Service
requires :aws_access_key_id, :aws_secret_access_key
request_path 'fog/aws/requests/elb'
request :create_load_balancer
request :delete_load_balancer
request :deregister_instances_from_load_balancer
request :describe_instance_health
request :describe_load_balancers
request :disable_availability_zones_for_load_balancer
request :enable_availability_zones_for_load_balancer
request :register_instances_with_load_balancer
class Mock
def initialize(options={})
Fog::Mock.not_implemented
end
end
class Real
# Initialize connection to ELB
#
# ==== Notes
# options parameter must include values for :aws_access_key_id and
# :aws_secret_access_key in order to create a connection
#
# ==== Examples
# elb = ELB.new(
# :aws_access_key_id => your_aws_access_key_id,
# :aws_secret_access_key => your_aws_secret_access_key
# )
#
# ==== Parameters
# * options<~Hash> - config arguments for connection. Defaults to {}.
# * region<~String> - optional region to use, in ['eu-west-1', 'us-east-1', 'us-west-1'i, 'ap-southeast-1']
#
# ==== Returns
# * ELB object with connection to AWS.
def initialize(options={})
@aws_access_key_id = options[:aws_access_key_id]
@aws_secret_access_key = options[:aws_secret_access_key]
@hmac = Fog::HMAC.new('sha256', @aws_secret_access_key)
options[:region] ||= 'us-east-1'
@host = options[:host] || case options[:region]
when 'ap-southeast-1'
'elasticloadbalancing.ap-southeast-1.amazonaws.com'
when 'eu-west-1'
'elasticloadbalancing.eu-west-1.amazonaws.com'
when 'us-east-1'
'elasticloadbalancing.us-east-1.amazonaws.com'
when 'us-west-1'
'elasticloadbalancing.us-west-1.amazonaws.com'
else
raise ArgumentError, "Unknown region: #{options[:region].inspect}"
end
@port = options[:port] || 443
@scheme = options[:scheme] || 'https'
@connection = Fog::Connection.new("#{@scheme}://#{@host}:#{@port}", options[:persistent])
end
def reload
@connection.reset
end
private
def request(params)
idempotent = params.delete(:idempotent)
parser = params.delete(:parser)
body = AWS.signed_params(
params,
{
:aws_access_key_id => @aws_access_key_id,
:hmac => @hmac,
:host => @host,
:version => '2009-11-25'
}
)
response = @connection.request({
:body => body,
:expects => 200,
:headers => { 'Content-Type' => 'application/x-www-form-urlencoded' },
:idempotent => idempotent,
:host => @host,
:method => 'POST',
:parser => parser
})
response
end
end
end
end
end