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module Aws
require 'xmlsimple'
# API Reference: http://docs.amazonwebservices.com/AmazonRDS/latest/APIReference/
class Rds < AwsBase
include AwsBaseInterface
# Amazon API version being used
API_VERSION = nil
DEFAULT_HOST = "rds.amazonaws.com"
DEFAULT_PATH = '/'
DEFAULT_PROTOCOL = 'https'
DEFAULT_PORT = 443
@@api = ENV['RDS_API_VERSION'] || API_VERSION
def self.connection_name
:rds_connection
end
def self.api
@@api
end
@@bench = AwsBenchmarkingBlock.new
def self.bench
@@bench
end
def self.bench_xml
@@bench.xml
end
def self.bench_ec2
@@bench.service
end
def initialize(aws_access_key_id=nil, aws_secret_access_key=nil, params={})
uri = ENV['RDS_URL'] ? URI.parse(ENV['RDS_URL']) : nil
init({:name => 'RDS',
:default_host => uri ? uri.host : DEFAULT_HOST,
:default_port => uri ? uri.port : DEFAULT_PORT,
:default_service => uri ? uri.path : DEFAULT_PATH,
:default_protocol => uri ? uri.scheme : DEFAULT_PROTOCOL,
:api_version => API_VERSION},
aws_access_key_id || ENV['AWS_ACCESS_KEY_ID'],
aws_secret_access_key|| ENV['AWS_SECRET_ACCESS_KEY'],
params)
end
def do_request(action, params, options={})
link = generate_request(action, params)
resp = request_info_xml_simple(self.class.connection_name, @params, link, @logger,
:group_tags =>{"DBInstances" =>"DBInstance",
"DBParameterGroups"=>"DBParameterGroup",
"DBSecurityGroups" =>"DBSecurityGroup",
"EC2SecurityGroups"=>"EC2SecurityGroup",
"IPRanges" =>"IPRange"},
:force_array =>["DBInstances",
"DBParameterGroups",
"DBSecurityGroups",
"EC2SecurityGroups",
"IPRanges"],
:pull_out_array =>options[:pull_out_array],
:pull_out_single=>options[:pull_out_single],
:wrapper =>options[:wrapper])
end
#-----------------------------------------------------------------
# REQUESTS
#-----------------------------------------------------------------
#
# identifier: db instance identifier. Must be unique per account per zone.
# instance_class: db.m1.small | db.m1.large | db.m1.xlarge | db.m2.2xlarge | db.m2.4xlarge
# See this for other values: http://docs.amazonwebservices.com/AmazonRDS/latest/APIReference/
#
# options:
# db_name: if you want a database created at the same time as the instance, specify :db_name option.
# availability_zone: default is random zone.
def create_db_instance(identifier, instance_class, allocated_storage, master_username, master_password, options={})
params = {}
params['DBInstanceIdentifier'] = identifier
params['DBInstanceClass'] = instance_class
params['AllocatedStorage'] = allocated_storage
params['MasterUsername'] = master_username
params['MasterUserPassword'] = master_password
params['Engine'] = options[:engine] || "MySQL5.1"
params['DBName'] = options[:db_name] if options[:db_name]
params['AvailabilityZone'] = options[:availability_zone] if options[:availability_zone]
params['PreferredMaintenanceWindow'] = options[:preferred_maintenance_window] if options[:preferred_maintenance_window]
params['BackupRetentionPeriod'] = options[:preferred_retention_period] if options[:preferred_retention_period]
params['PreferredBackupWindow'] = options[:preferred_backup_window] if options[:preferred_backup_window]
@logger.info("Creating DB Instance called #{identifier}")
link = do_request("CreateDBInstance", params, :pull_out_single=>[:create_db_instance_result, :db_instance])
rescue Exception
on_exception
end
# options:
# DBInstanceIdentifier
# MaxRecords
# Marker
#
# Returns array of instances as hashes.
# Response metadata can be retreived by calling array.response_metadata on the returned array.
def describe_db_instances(options={})
params = {}
params['DBInstanceIdentifier'] = options[:db_instance_identifier] if options[:db_instance_identifier]
params['MaxRecords'] = options[:max_records] if options[:max_records]
params['Marker'] = options[:marker] if options[:marker]
resp = do_request("DescribeDBInstances", params, :pull_out_array=>[:describe_db_instances_result, :db_instances])
rescue Exception
on_exception
end
# identifier: identifier of db instance to delete.
# final_snapshot_identifier: if specified, RDS will crate a final snapshot before deleting so you can restore it later.
def delete_db_instance(identifier, final_snapshot_identifier=nil)
@logger.info("Deleting DB Instance - " + identifier.to_s)
params = {}
params['DBInstanceIdentifier'] = identifier
if final_snapshot_identifier
params['FinalDBSnapshotIdentifier'] = final_snapshot_identifier
else
params['SkipFinalSnapshot'] = true
end
link = do_request("DeleteDBInstance", params, :pull_out_single=>[:delete_db_instance_result, :db_instance])
rescue Exception
on_exception
end
def create_db_security_group(group_name, description, options={})
params = {}
params['DBSecurityGroupName'] = group_name
params['DBSecurityGroupDescription'] = description
link = do_request("CreateDBSecurityGroup", params, :pull_out_single => [:create_db_security_group_result, :db_security_group])
rescue Exception
on_exception
end
def delete_db_security_group(group_name, options={})
params = {}
params['DBSecurityGroupName'] = group_name
link = do_request("DeleteDBSecurityGroup", params)
rescue Exception
on_exception
end
def describe_db_security_groups(options={})
params = {}
params['DBSecurityGroupName'] = options[:DBSecurityGroupName] if options[:DBSecurityGroupName]
params['MaxRecords'] = options[:MaxRecords] if options[:MaxRecords]
link = do_request("DescribeDBSecurityGroups", params, :pull_out_array=>[:describe_db_security_groups_result, :db_security_groups], :wrapper=>:db_security_group)
rescue Exception
on_exception
end
def authorize_db_security_group_ingress_ec2group(group_name, ec2_group_name, ec2_group_owner_id, options={})
params = {}
params['DBSecurityGroupName'] = group_name
params['EC2SecurityGroupOwnerId'] = ec2_group_owner_id
params['EC2SecurityGroupName'] = ec2_group_name
link = do_request("AuthorizeDBSecurityGroupIngress", params)
rescue Exception
on_exception
end
def authorize_db_security_group_ingress_range(group_name, ip_range, options={})
params = {}
params['DBSecurityGroupName'] = group_name
params['CIDRIP'] = ip_range
link = do_request("AuthorizeDBSecurityGroupIngress", params)
rescue Exception
on_exception
end
def revoke_db_security_group_ingress(group_name, ip_range, options={})
params = {}
params['DBSecurityGroupName'] = group_name
params['CIDRIP'] = ip_range
link = do_request("RevokeDBSecurityGroupIngress", params)
rescue Exception
on_exception
end
end
end
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