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aws_frederick_common.py
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import troposphere.autoscaling as autoscaling
import troposphere.sqs as sqs
import troposphere.ec2 as ec2
import troposphere.iam as iam
import troposphere.s3 as s3
import troposphere.route53 as route53
import troposphere.kms as kms
from troposphere import elasticache
import troposphere.cloudwatch as cloudwatch
from troposphere.rds import DBInstance, DBSubnetGroup, Tags
from troposphere import Ref, GetAtt, Join
from environmentbase.template import Template
import awacs.iam
from troposphere.ecr import Repository
from awacs.aws import Allow, Policy, AWSPrincipal, Statement
import awacs.ecr as ecr
import troposphere.ecs as ecs
import sys
class AWSFrederickCommonTemplate(Template):
"""
Enhances basic template by providing AWS Frederick common resources
"""
# default configuration values
DEFAULT_CONFIG = {
'ion_channel': {
}
}
# schema of expected types for config values
CONFIG_SCHEMA = {
'ion_channel': {
}
}
POLICY_MAP = {}
# Collect all the values we need to assemble our SuperBowlOnARoll stack
def __init__(self, name):
super(AWSFrederickCommonTemplate, self).__init__(name)
self.load_policy_map()
def add_alarm(self, name, dimensions, alarm, description, namespace, threshold, comparison_operator, statistic, metric_name):
return self.add_resource(
cloudwatch.Alarm(
name,
MetricName=metric_name,
ComparisonOperator=comparison_operator,
Period=300,
EvaluationPeriods=1,
Statistic=statistic,
Namespace=namespace,
AlarmDescription=description,
Dimensions=dimensions,
Threshold=threshold,
AlarmActions=[alarm]
)
)
def add_bucket(self, name, access_control, static_site, route53, public_hosted_zone):
"""
Helper method creates a directory service resource
@param name [string] Fully qualified name for the bucket
(corp.example.com)
@param access_control [string] type of access control for the bucket
@param static_site [boolean] should the bucket host a static site
@param route53 [boolean] create a route53 entry?
"""
if route53:
self.add_dns_alias(
name,
"s3-website-us-east-1.amazonaws.com",
"Z3AQBSTGFYJSTF",
public_hosted_zone
)
if access_control == "PublicRead":
policy = s3.BucketPolicy(
name.replace('.', '') + "BucketPolicy",
Bucket=name,
PolicyDocument={
"Statement": [
{
"Sid": "PublicReadForGetBucketObjects",
"Effect": "Allow",
"Principal": "*",
"Action": "s3:GetObject",
"Resource": "arn:aws:s3:::%s/*" % name
}
]
}
)
self.add_resource(policy)
bucket = s3.Bucket(
name.replace('.', '') + "Bucket",
BucketName=name,
AccessControl=access_control,
)
if static_site:
web_config = s3.WebsiteConfiguration(IndexDocument='index.html')
bucket.properties['WebsiteConfiguration'] = web_config
return self.add_resource(bucket)
def add_role(self, name, principal_services, policies, path='/'):
"""
Helper method for creating roles with pre defined policies
"""
policies_for_role = [self.get_policy(policy, name) for policy in policies]
return self.add_resource(iam.Role(
name + "Role",
AssumeRolePolicyDocument={
"Statement": [{
"Effect": "Allow",
"Principal": {
"Service": principal_services
},
"Action": ["sts:AssumeRole"]
}]
},
Path=path,
Policies=policies_for_role
))
def load_policy_map(self):
# TODO: move these to a flat config file & load from that
self.POLICY_MAP = {
'kms': iam.Policy(
PolicyName='kmsInteract',
PolicyDocument={
"Statement": [{
"Sid": "Stmt1457395497000",
"Effect": "Allow",
"Action": [
"kms:*"
],
"Resource": "*"
}]
}
),
'autoscaling': iam.Policy(
PolicyName='asgInteract',
PolicyDocument={
"Statement": [{
"Effect": "Allow",
"Action": [
"autoscaling:*",
"ec2:*",
],
"Resource": "*"
}]
}
),
'cloudwatch': iam.Policy(
PolicyName='cwInteract',
PolicyDocument={
"Statement": [{
"Effect": "Allow",
"Action": [
"sns:*",
"autoscaling:Describe*",
"cloudwatch:*",
"logs:*"
],
"Resource": "*"
}]
}
),
'cloudwatchlogs': iam.Policy(
PolicyName='cloudwatchlogs',
PolicyDocument={
"Statement": [{
"Effect": "Allow",
"Action": [
"logs:CreateLogGroup",
"logs:CreateLogStream",
"logs:PutLogEvents",
"logs:DescribeLogStreams"
],
"Resource": "*"
}]
}
),
'autoscaling_ecs': iam.Policy(
PolicyName='service-autoscaling',
PolicyDocument={
"Statement": [{
"Effect": "Allow",
"Action": [
"application-autoscaling:*",
"cloudwatch:DescribeAlarms",
"cloudwatch:PutMetricAlarm",
"ecs:DescribeServices",
"ecs:UpdateService"
],
"Resource": "*"
}]
}
),
'sns': iam.Policy(
PolicyName='snsInteract',
PolicyDocument={
"Statement": [{
"Effect": "Allow",
"Action": [
"sns:*",
],
"Resource": "*"
}]
}
),
's3': iam.Policy(
PolicyName='s3Interact',
PolicyDocument={
"Statement": [{
"Effect": "Allow",
"Action": [
"s3:*"
],
"Resource": "*"
}]
}
),
'ecr': iam.Policy(
PolicyName='ecrInteract',
PolicyDocument={
"Statement": [{
"Effect": "Allow",
"Action": [
"ecr:*"
],
"Resource": "*"
}]
}
),
'ecs': iam.Policy(
PolicyName='ecsInteract',
PolicyDocument={
"Statement": [{
"Effect": "Allow",
"Action": [
"elasticloadbalancing:Describe*",
"elasticloadbalancing:DeregisterInstancesFromLoadBalancer",
"elasticloadbalancing:RegisterInstancesWithLoadBalancer",
"ec2:Describe*",
"ec2:AuthorizeSecurityGroupIngress",
"ecs:RegisterContainerInstance",
"ecs:DeregisterContainerInstance",
"ecs:DiscoverPollEndpoint",
"ecs:Submit*",
"ecs:Poll",
"ecs:StartTelemetrySession",
"application-autoscaling:*",
"cloudwatch:DescribeAlarms",
"cloudwatch:PutMetricAlarm",
"ecs:DescribeServices",
"ecs:UpdateService"
],
"Resource": "*"
}]
}
),
'ses': iam.Policy(
PolicyName='sesInteract',
PolicyDocument={
"Statement": [{
"Effect": "Allow",
"Action": [
"ses:*"
],
"Resource": "*"
}]
}
),
'sqs': iam.Policy(
PolicyName='sqsInteract',
PolicyDocument={
"Statement": [{
"Effect": "Allow",
"Action": [
"sqs:*"
],
"Resource": "*"
}]
}
),
'route53': iam.Policy(
PolicyName='route53Interact',
PolicyDocument={
"Statement": [{
"Effect": "Allow",
"Action": [
"route53:*"
],
"Resource": "*"
}]
}
),
'createtags': iam.Policy(
PolicyName='createtags',
PolicyDocument={
"Statement": [{
"Effect": "Allow",
"Action": [
"ec2:CreateTags",
"ec2:DescribeInstances",
"ec2:DescribeTags",
"ec2:DescribeVolumes"
],
"Resource": "*"
}]
}
),
'es': iam.Policy(
PolicyName='esInteract',
PolicyDocument={
"Statement": [{
"Effect": "Allow",
"Action": [
"es:*"
],
"Resource": "*"
}]
}
),
'lambda': iam.Policy(
PolicyName='lambda',
PolicyDocument={
"Statement": [{
"Effect": "Allow",
"Action": [
"cloudwatch:*",
"cognito-identity:ListIdentityPools",
"cognito-sync:GetCognitoEvents",
"cognito-sync:SetCognitoEvents",
"dynamodb:*",
"events:*",
"iam:ListAttachedRolePolicies",
"iam:ListRolePolicies",
"iam:ListRoles",
"iam:PassRole",
"kinesis:DescribeStream",
"kinesis:ListStreams",
"kinesis:PutRecord",
"lambda:*",
"logs:*",
"s3:*",
"sns:ListSubscriptions",
"sns:ListSubscriptionsByTopic",
"sns:ListTopics",
"sns:Subscribe",
"sns:Unsubscribe"
],
"Resource": "*"
}]
}
),
'readall': iam.Policy(
PolicyName='readall',
PolicyDocument={
"Statement": [{
"Effect": "Allow",
"Action": [
"appstream:Get*",
"autoscaling:Describe*",
"cloudformation:DescribeStackEvents",
"cloudformation:DescribeStackResource",
"cloudformation:DescribeStackResources",
"cloudformation:DescribeStacks",
"cloudformation:GetTemplate",
"cloudformation:List*",
"cloudfront:Get*",
"cloudfront:List*",
"cloudsearch:Describe*",
"cloudsearch:List*",
"cloudtrail:DescribeTrails",
"cloudtrail:GetTrailStatus",
"cloudwatch:Describe*",
"cloudwatch:Get*",
"cloudwatch:List*",
"codecommit:BatchGetRepositories",
"codecommit:Get*",
"codecommit:GitPull",
"codecommit:List*",
"codedeploy:Batch*",
"codedeploy:Get*",
"codedeploy:List*",
"config:Deliver*",
"config:Describe*",
"config:Get*",
"datapipeline:DescribeObjects",
"datapipeline:DescribePipelines",
"datapipeline:EvaluateExpression",
"datapipeline:GetPipelineDefinition",
"datapipeline:ListPipelines",
"datapipeline:QueryObjects",
"datapipeline:ValidatePipelineDefinition",
"directconnect:Describe*",
"dynamodb:BatchGetItem",
"dynamodb:DescribeTable",
"dynamodb:GetItem",
"dynamodb:ListTables",
"dynamodb:Query",
"dynamodb:Scan",
"ec2:Describe*",
"ec2:GetConsoleOutput",
"ecr:GetAuthorizationToken",
"ecr:BatchCheckLayerAvailability",
"ecr:GetDownloadUrlForLayer",
"ecr:GetManifest",
"ecr:DescribeRepositories",
"ecr:ListImages",
"ecr:BatchGetImage",
"ecs:Describe*",
"ecs:List*",
"elasticache:Describe*",
"elasticache:List*",
"elasticbeanstalk:Check*",
"elasticbeanstalk:Describe*",
"elasticbeanstalk:List*",
"elasticbeanstalk:RequestEnvironmentInfo",
"elasticbeanstalk:RetrieveEnvironmentInfo",
"elasticloadbalancing:Describe*",
"elasticmapreduce:Describe*",
"elasticmapreduce:List*",
"elastictranscoder:List*",
"elastictranscoder:Read*",
"firehose:Describe*",
"firehose:List*",
"glacier:ListVaults",
"glacier:DescribeVault",
"glacier:GetDataRetrievalPolicy",
"glacier:GetVaultAccessPolicy",
"glacier:GetVaultLock",
"glacier:GetVaultNotifications",
"glacier:ListJobs",
"glacier:ListMultipartUploads",
"glacier:ListParts",
"glacier:ListTagsForVault",
"glacier:DescribeJob",
"glacier:GetJobOutput",
"iam:GenerateCredentialReport",
"iam:Get*",
"iam:List*",
"inspector:Describe*",
"inspector:Get*",
"inspector:List*",
"inspector:LocalizeText",
"inspector:PreviewAgentsForResourceGroup",
"iot:Describe*",
"iot:Get*",
"iot:List*",
"kinesis:Describe*",
"kinesis:Get*",
"kinesis:List*",
"kms:Describe*",
"kms:Get*",
"kms:List*",
"lambda:List*",
"lambda:Get*",
"logs:Describe*",
"logs:Get*",
"logs:TestMetricFilter",
"mobilehub:GetProject",
"mobilehub:ListAvailableFeatures",
"mobilehub:ListAvailableRegions",
"mobilehub:ListProjects",
"mobilehub:ValidateProject",
"mobilehub:VerifyServiceRole",
"opsworks:Describe*",
"opsworks:Get*",
"rds:Describe*",
"rds:ListTagsForResource",
"redshift:Describe*",
"redshift:ViewQueriesInConsole",
"route53:Get*",
"route53:List*",
"route53domains:CheckDomainAvailability",
"route53domains:GetDomainDetail",
"route53domains:GetOperationDetail",
"route53domains:ListDomains",
"route53domains:ListOperations",
"route53domains:ListTagsForDomain",
"s3:Get*",
"s3:List*",
"sdb:GetAttributes",
"sdb:List*",
"sdb:Select*",
"ses:Get*",
"ses:List*",
"sns:Get*",
"sns:List*",
"sqs:GetQueueAttributes",
"sqs:ListQueues",
"sqs:ReceiveMessage",
"storagegateway:Describe*",
"storagegateway:List*",
"swf:Count*",
"swf:Describe*",
"swf:Get*",
"swf:List*",
"tag:Get*",
"trustedadvisor:Describe*",
"waf:Get*",
"waf:List*"
],
"Resource": "*"
}]
}
),
'simianarmy': iam.Policy(
PolicyName='SimianArmyInteract',
PolicyDocument={
"Statement": [
{
"Effect": "Allow",
"Resource": "*",
"Sid": "Stmt1357739573947",
"Action": [
"ec2:CreateTags",
"ec2:DeleteSnapshot",
"ec2:DescribeImages",
"ec2:DescribeInstances",
"ec2:DescribeSnapshots",
"ec2:DescribeVolumes",
"ec2:TerminateInstances",
"ses:SendEmail",
"elasticloadbalancing:*"
]
},
{
"Effect": "Allow",
"Resource": "*",
"Sid": "Stmt1357739649609",
"Action": [
"autoscaling:DeleteAutoScalingGroup",
"autoscaling:DescribeAutoScalingGroups",
"autoscaling:DescribeAutoScalingInstances",
"autoscaling:DescribeLaunchConfigurations"
]
},
{
"Effect": "Allow",
"Resource": "*",
"Sid": "Stmt1357739730279",
"Action": [
"sdb:BatchDeleteAttributes",
"sdb:BatchPutAttributes",
"sdb:DomainMetadata",
"sdb:GetAttributes",
"sdb:PutAttributes",
"sdb:ListDomains",
"sdb:CreateDomain",
"sdb:Select"
]
}
]
}
)
}
def get_policy(self, policy_type, receiver_name):
print("WARNING: Allowing %s access for %s" % (policy_type, receiver_name))
return self.POLICY_MAP.get(policy_type)
def add_sqs_queue(
self,
name,
delay_seconds=0,
maximum_message_size=262144,
message_retention_period=345600,
receive_message_wait_time_seconds=0,
visibility_timeout=30,
):
"""
Helper that creates a SQS Queue
@param name [string] name of the queue
@param delay_seconds [integer] he time in seconds that the delivery of
all messages in the queue will be delayed
@param maximum_message_size [integer] The limit of how many bytes a
message can contain before Amazon SQS rejects it
@param message_retention_period [integer] The number of seconds Amazon
SQS retains a message
@param receive_message_wait_time_seconds [integer] Specifies the
duration, in seconds, that the ReceiveMessage action call waits until
a message is in the queue in order to include it in the response, as
opposed to returning an empty response if a message is not yet
available
@param visibility_timeout [integer] The length of time during which the
queue will be unavailable once a message is delivered from the queue
"""
return self.add_resource(
sqs.Queue(
name.replace('-', '').replace('_', ''),
QueueName=name,
DelaySeconds=delay_seconds,
MaximumMessageSize=maximum_message_size,
MessageRetentionPeriod=message_retention_period,
ReceiveMessageWaitTimeSeconds=receive_message_wait_time_seconds,
VisibilityTimeout=visibility_timeout
)
)
def add_hosted_zone(
self,
name,
region
):
"""
Helper that creates a hosted zone
@param name [string] name of the private hosted zone that will be
attached to the vpc
@param region [string] name of the region, as if it could be different
than the vpc's
"""
return self.add_resource(route53.HostedZone(
"PrivateHostedZone",
HostedZoneConfig=route53.HostedZoneConfiguration(
Comment="Private HostedZone"
),
Name=name,
VPCs=[route53.HostedZoneVPCs(VPCId=Ref(self.vpc_id), VPCRegion=region)]
))
def add_scheduled_action(
self,
name,
autoscaling_group,
min_size,
max_size,
desired_size,
recurrence
):
"""
Helper method creates a scheduled action for a given autoscaling group
@param name [string] Unique name for the scheduled action
@param name [AutoScalingGroup] Troposphere object containing the
autoscaling group
@param min_size [int] minimum size for the group
@param max_size [int] maximum size for the group
@param desired_size [int] the size resulting from this action
@param min_size [string] cron string scehdule to trigger this action
"""
return self.add_resource(autoscaling.ScheduledAction(
name,
AutoScalingGroupName=Ref(autoscaling_group),
DesiredCapacity=desired_size,
Recurrence=recurrence,
MaxSize=max_size,
MinSize=min_size,
))
def add_elb_dns_alias(self, elb, name, zone_name):
"""
Helper to attach an alias dns entry to an elb
@param elb [ELB] target elb
@param name [string] name of the domain
@param zone_name [string] hostzone name
"""
if name:
name = name.lower() + '.' + zone_name
else:
name = zone_name.lower()
return self.add_resource(
route53.RecordSetGroup(
name.replace('.', '') + "ELBRecordSetGroup" + zone_name.replace('.', ''),
HostedZoneName=zone_name.lower(),
RecordSets=[
route53.RecordSet(
Name=name,
Type='A',
AliasTarget=route53.AliasTarget(
GetAtt(elb, "CanonicalHostedZoneID"),
GetAtt(elb, "DNSName")
)
)
]
)
)
def add_dns_alias(self, name, dns_name, zone_id, zone_name):
"""
Helper to attach an alias dns entry to an elb
@param dns_name [string] name of the domain
@param zone_id [string] hostzone id for the target
@param zone_name [string] hostzone name
"""
return self.add_resource(
route53.RecordSetGroup(
name.replace(".", "") + "AliasRecordSetGroup" + zone_name.replace('.', ''),
HostedZoneName=zone_name,
RecordSets=[
route53.RecordSet(
Name=name,
Type='A',
AliasTarget=route53.AliasTarget(
zone_id,
dns_name
)
)
]
)
)
def add_instance_dns_a_record(self, instance, name, zone_name, att='PrivateIp'):
"""
Helper to attach an alias dns entry to an elb
@param instance [Instance] target instance
@param name [string] name of the domain
@param zone_name [string] hostzone name
@param att [string] the attribute to use for binding the record
"""
return self.add_resource(
route53.RecordSetGroup(
name.replace(".", "") + "InstanceRecordSetGroup",
HostedZoneName=zone_name,
RecordSets=[
route53.RecordSet(
Name=name + '.' + zone_name,
Type='A',
TTL='60',
ResourceRecords=[GetAtt(instance, att)]
)
]
)
)
def update_sg_with_cidr(
self,
security_group,
cidr_ip,
ports,
ip_protocol='tcp'
):
"""
Helper method for adding rules to an sg from an sg
@param security_group [SecurityGroup] security group to update
@param cidr_ip [string] cidr ip
@param ports [Dict] dictionary of from:to port objects
@param ip_protocol [string] name of the IP protocol to set this rule
for
"""
security_group_rules = security_group.SecurityGroupIngress
for from_port, to_port in ports.items():
security_group_rules.append(ec2.SecurityGroupRule(
IpProtocol=ip_protocol,
FromPort=to_port,
ToPort=to_port,
CidrIp=cidr_ip
))
def update_sg_with_sg(
self,
security_group,
source_security_group_id,
ports,
ip_protocol='tcp'
):
"""
Helper method for adding rules to an sg from an sg
@param security_group [SecurityGroup] security group to update
@param source_security_group_id [string] Id of the security group to
allow ingress from
@param ports [Dict] dictionary of from:to port objects
@param ip_protocol [string] name of the IP protocol to set this rule
for
"""
security_group_rules = security_group.SecurityGroupIngress
for from_port, to_port in ports.items():
security_group_rules.append(ec2.SecurityGroupRule(
IpProtocol=ip_protocol,
FromPort=to_port,
ToPort=to_port,
SourceSecurityGroupId=source_security_group_id
))
def add_sg_with_sg(
self,
name,
description,
vpc_id,
source_security_group_id,
ports,
ip_protocol='tcp'
):
"""
Helper method creates ingress given a source cidr range and a set of
ports
@param name [string] Unique name for the security group
@param description [string] Simple description of the security group
@param vpc_id [string] id of the vpc this sg will target
@param source_security_group_id [string] Id of the security group to
allow ingress from
@param ports [Dict] dictionary of from:to port objects
@param ip_protocol [string] name of the IP protocol to set this rule
for
"""
security_group_rules = []
for from_port, to_port in ports.items():
security_group_rules.append(ec2.SecurityGroupRule(
IpProtocol=ip_protocol,
FromPort=to_port,
ToPort=to_port,
SourceSecurityGroupId=source_security_group_id
))
return self.add_resource(
ec2.SecurityGroup(
name,
GroupDescription=description,
VpcId=Ref(vpc_id),
SecurityGroupIngress=security_group_rules,
)
)
def add_sg_with_cidr_port_list(
self,
name,
description,
vpc_id,
cidr,
ports,
ip_protocol='tcp'
):
"""
Helper method creates ingress given a source cidr range and a set of
ports
@param name [string] Unique name for the security group
@param description [string] Simple description of the security group
@param vpc_id [string] id of the vpc this sg will target
@param cidr [string] cidr ip range for ingress
@param ports [list] list of dictionary of from:to port objects
@param ip_protocol [string] name of the IP protocol to set this rule
for
"""
security_group = self.add_sg_with_cidr(
name,
description,
vpc_id,
cidr,
ports[0],
ip_protocol
)
for ii in range(1, len(ports)):
self.update_sg_with_cidr(
security_group,
cidr,
ports[ii],
ip_protocol
)
return security_group
def add_sg_with_cidr(
self,
name,
description,
vpc_id,
cidr,
ports,
ip_protocol='tcp'
):
"""
Helper method creates ingress given a source cidr range and a set of
ports
@param name [string] Unique name for the security group
@param description [string] Simple description of the security group
@param vpc_id [string] id of the vpc this sg will target
@param cidr [string] cidr ip range for ingress
@param ports [Dict] dictionary of from:to port objects
@param ip_protocol [string] name of the IP protocol to set this rule
for
"""
securityGroupRules = []
for from_port, to_port in ports.items():
securityGroupRules.append(ec2.SecurityGroupRule(
IpProtocol=ip_protocol,
FromPort=to_port,
ToPort=to_port,
CidrIp=cidr
))
return self.add_resource(
ec2.SecurityGroup(
name,
GroupDescription=description,
VpcId=Ref(vpc_id),
SecurityGroupIngress=securityGroupRules,
)
)
def add_simple_sg_with_sg(
self,
name,
description,
vpc_id,
source_security_group_id,
from_port,
to_port=None,
ip_protocol='tcp'
):
"""
Helper method creates ingress given a source cidr range and a set of
ports
@param name [string] Unique name for the security group
@param description [string] Simple description of the security group
@param vpc_id [string] id of the vpc this sg will target
@param source_security_group_id [string] Id of the security group to
allow ingress from
@param from_port [string] lower boundary of the port range to set for
the secuirty group rules
@param to_port [string] upper boundary of the port range to set for the
security group rules
@param ip_protocol [string] name of the IP protocol to set this rule
for
"""
return self.add_resource(
ec2.SecurityGroup(
name,
GroupDescription=description,
VpcId=Ref(vpc_id),
SecurityGroupIngress=[
ec2.SecurityGroupRule(
IpProtocol=ip_protocol,
FromPort=from_port,
ToPort=to_port,
SourceSecurityGroupId=source_security_group_id
)
],
)
)
def add_simple_sg_with_cidr(
self,
name,
description,
vpc_id,
source_cidr,
from_port,
to_port=None,
ip_protocol='tcp'
):
"""
Helper method creates ingress given a source cidr range and a set of
ports
@param name [string] Unique name for the security group
@param description [string] Simple description of the security group
@param vpc_id [string] id of the vpc this sg will target
@param source_cidr [string] CIDR format string for ingress IP address
range
@param from_port [string] lower boundary of the port range to set for
the secuirty group rules
@param to_port [string] upper boundary of the port range to set for the
security group rules
@param ip_protocol [string] name of the IP protocol to set this rule
for
"""
return self.add_resource(
ec2.SecurityGroup(
name,
GroupDescription=description,
VpcId=Ref(vpc_id),
SecurityGroupIngress=[
ec2.SecurityGroupRule(
IpProtocol=ip_protocol,
FromPort=from_port,
ToPort=to_port,
CidrIp=source_cidr
)
],
)
)
def add_rds_database(self, name, engine, username, password, storage, instance_type, rds_subnet_group,
rds_security_group, multiaz_status, parameter_group_name, encrypt):
print "WARNING: Adding RDS for %s" % name
rds_database = DBInstance(
'rds' + name, Engine=engine, MasterUsername=username,
MasterUserPassword=password, AllocatedStorage=storage,
StorageType='gp2',
DBInstanceClass=instance_type, DBName='rds' + name,
DeletionPolicy="Snapshot",
DBSubnetGroupName=Ref(rds_subnet_group),
BackupRetentionPeriod=7,
DBParameterGroupName=Ref(parameter_group_name),
VPCSecurityGroups=[Ref(rds_security_group)],
MultiAZ=multiaz_status,