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fog--fog/lib/fog/aws/requests/rds/describe_db_instances.rb
2012-02-25 19:01:39 -05:00

97 lines
3.5 KiB
Ruby

module Fog
module AWS
class RDS
class Real
require 'fog/aws/parsers/rds/describe_db_instances'
# Describe all or specified load db instances
# http://docs.amazonwebservices.com/AmazonRDS/latest/APIReference/API_DescribeDBInstances.html
# ==== Parameters
# * DBInstanceIdentifier <~String> - ID of instance to retrieve information for. if absent information for all instances is returned
# ==== Returns
# * response<~Excon::Response>:
# * body<~Hash>:
def describe_db_instances(identifier=nil, opts={})
params = {}
params['DBInstanceIdentifier'] = identifier if identifier
if opts[:marker]
params['Marker'] = opts[:marker]
end
if opts[:max_records]
params['MaxRecords'] = opts[:max_records]
end
request({
'Action' => 'DescribeDBInstances',
:parser => Fog::Parsers::AWS::RDS::DescribeDBInstances.new
}.merge(params))
end
end
class Mock
def describe_db_instances(identifier=nil, opts={})
response = Excon::Response.new
server_set = []
if identifier
if server = self.data[:servers][identifier]
server_set << server
else
raise Fog::AWS::RDS::NotFound.new("DBInstance #{identifier} not found")
end
else
server_set = self.data[:servers].values
end
server_set.each do |server|
case server["DBInstanceStatus"]
when "creating"
if Time.now - server['InstanceCreateTime'] >= Fog::Mock.delay * 2
region = "us-east-1"
server["DBInstanceStatus"] = "available"
server["AvailabilityZone"] = region + 'a'
server["Endpoint"] = {"Port"=>3306,
"Address"=> Fog::AWS::Mock.rds_address(server["DBInstanceIdentifier"],region) }
server["PendingModifiedValues"] = {}
end
when "rebooting" # I don't know how to show rebooting just once before it changes to available
# it applies pending modified values
if server["PendingModifiedValues"]
server.merge!(server["PendingModifiedValues"])
server["PendingModifiedValues"] = {}
self.data[:tmp] ||= Time.now + Fog::Mock.delay * 2
if self.data[:tmp] <= Time.now
server["DBInstanceStatus"] = 'available'
self.data.delete(:tmp)
end
end
when "modifying"
# TODO there are some fields that only applied after rebooting
if server["PendingModifiedValues"]
server.merge!(server["PendingModifiedValues"])
server["PendingModifiedValues"] = {}
server["DBInstanceStatus"] = 'available'
end
when "available" # I'm not sure if amazon does this
if server["PendingModifiedValues"]
server["DBInstanceStatus"] = 'modifying'
end
end
end
response.status = 200
response.body = {
"ResponseMetadata"=>{ "RequestId"=> Fog::AWS::Mock.request_id },
"DescribeDBInstancesResult" => { "DBInstances" => server_set }
}
response
end
end
end
end
end