"RedshiftCluster",
ClusterType=Ref("ClusterType"),
NumberOfNodes=If("IsMultiNodeCluster",
Ref("NumberOfNodes"), Ref("AWS::NoValue")),
NodeType=Ref("NodeType"),
DBName=Ref("DatabaseName"),
MasterUsername=Ref("MasterUsername"),
MasterUserPassword=Ref("MasterUserPassword"),
ClusterParameterGroupName=Ref("RedshiftClusterParameterGroup"),
VpcSecurityGroupIds=Ref("SecurityGroup"),
ClusterSubnetGroupName=Ref("RedshiftClusterSubnetGroup"),
))
amazonredshiftparameter1 = AmazonRedshiftParameter(
"AmazonRedshiftParameter1",
ParameterName="enable_user_activity_logging",
ParameterValue="true",
)
redshiftclusterparametergroup = t.add_resource(ClusterParameterGroup(
"RedshiftClusterParameterGroup",
Description="Cluster parameter group",
ParameterGroupFamily="redshift-1.0",
Parameters=[amazonredshiftparameter1],
))
redshiftclustersubnetgroup = t.add_resource(ClusterSubnetGroup(
"RedshiftClusterSubnetGroup",
Description="Cluster subnet group",
SubnetIds=Ref("Subnet"),
))
def emit_configuration():
vpc = cfn.vpcs[0]
dbname = template.add_parameter(
Parameter('RedshiftDatabaseName',
Description='The name of database to create within redshift',
Type="String",
Default="farragut",
AllowedPattern="[a-z0-9]*",
ConstraintDescription="Must be alphanumeric"))
clustertype = template.add_parameter(
Parameter('RedshiftClusterType',
Description="The type of cluster to build",
Type="String",
Default="single-node",
AllowedValues=["single-node", "multi-node"]))
numberofnodes = template.add_parameter(
Parameter(
"RedshiftNumberOfNodes",
Description="The number of compute nodes in the redshift cluster. "
"When cluster type is specified as: 1) single-node, the NumberOfNodes "
"parameter should be specified as 1, 2) multi-node, the NumberOfNodes "
"parameter should be greater than 1",
Type="Number",
Default="1",
))
nodetype = template.add_parameter(
Parameter(
"RedshiftNodeType",
Description=
"The node type to be provisioned for the redshift cluster",
Type="String",
Default="dw2.large",
))
masterusername = template.add_parameter(
Parameter("RedshiftMasterUsername",
Description=
"The user name associated with the master user account for "
"the redshift cluster that is being created",
Type="String",
Default="sa",
AllowedPattern="([a-z])([a-z]|[0-9])*"))
masteruserpassword = template.add_parameter(
Parameter(
"RedshiftMasterUserPassword",
Description=
"The password associated with the master user account for the "
"redshift cluster that is being created.",
Type="String",
NoEcho=True,
Default="LeafLeaf123"))
ingress_rules = [
SecurityGroupRule(IpProtocol=p[0],
CidrIp=DEFAULT_ROUTE,
FromPort=p[1],
ToPort=p[1]) for p in [('tcp', 5439)]
]
rs_security_group = template.add_resource(
SecurityGroup(
"RedshiftSecurityGroup",
GroupDescription="SecurityGroup for the {0} Redshift cluster".
format(CLOUDENV),
VpcId=Ref(vpc),
SecurityGroupIngress=ingress_rules,
DependsOn=vpc.title))
cluster_subnet_group = template.add_resource(
ClusterSubnetGroup(
"RedshiftClusterSubnetGroup",
Description="Redshift {0} cluster subnet group".format(CLOUDENV),
SubnetIds=[
Ref(sn)
for sn in cfn.get_vpc_subnets(vpc, cfn.SubnetTypes.DATABASE)
],
DependsOn=[
sn.title
for sn in cfn.get_vpc_subnets(vpc, cfn.SubnetTypes.DATABASE)
]))
conditions = {
"IsMultiNodeCluster": Equals(Ref("RedshiftClusterType"), "multi-mode"),
}
for k in conditions:
template.add_condition(k, conditions[k])
redshiftcluster = template.add_resource(
Cluster("RedshiftCluster",
ClusterType=Ref("RedshiftClusterType"),
NumberOfNodes=If("IsMultiNodeCluster",
Ref("RedshiftNumberOfNodes"),
Ref("AWS::NoValue")),
NodeType=Ref("RedshiftNodeType"),
DBName=Ref("RedshiftDatabaseName"),
MasterUsername=Ref("RedshiftMasterUsername"),
MasterUserPassword=Ref("RedshiftMasterUserPassword"),
ClusterParameterGroupName=Ref("RedshiftClusterParameterGroup"),
DeletionPolicy="Snapshot",
ClusterSubnetGroupName=Ref(cluster_subnet_group),
VpcSecurityGroupIds=[Ref("RedshiftSecurityGroup")],
DependsOn=[
cluster_subnet_group.title, rs_security_group.title
]))
log_activity_parameter = AmazonRedshiftParameter(
"AmazonRedshiftParameterEnableUserLogging",
ParameterName="enable_user_activity_logging",
ParameterValue="true",
)
redshiftclusterparametergroup = template.add_resource(
ClusterParameterGroup(
"RedshiftClusterParameterGroup",
Description="Cluster parameter group",
ParameterGroupFamily="redshift-1.0",
Parameters=[log_activity_parameter],
))
template.add_output(
Output(
"RedshiftClusterEndpoint",
Value=Join(":", [
GetAtt(redshiftcluster, "Endpoint.Address"),
GetAtt(redshiftcluster, "Endpoint.Port")
]),
))