Amazon RDS template snippets - AWS CloudFormation

Amazon RDS template snippets

Amazon RDS DB instance resource

This example shows an Amazon RDS DB Instance resource with managed master user password. For more information, see Password management with AWS Secrets Manager in the Amazon RDS User Guide and Password management with AWS Secrets Manager in the Aurora User Guide. Because the optional EngineVersion property isn't specified, the default engine version is used for this DB Instance. For details about the default engine version and other default settings, see CreateDBInstance. The DBSecurityGroups property authorizes network ingress to the AWS::RDS::DBSecurityGroup resources named MyDbSecurityByEC2SecurityGroup and MyDbSecurityByCIDRIPGroup. For details, see AWS::RDS::DBInstance. The DB Instance resource also has a DeletionPolicy attribute set to Snapshot. With the Snapshot DeletionPolicy set, AWS CloudFormation will take a snapshot of this DB Instance before deleting it during stack deletion.

JSON

"MyDB" : { "Type" : "AWS::RDS::DBInstance", "Properties" : { "DBSecurityGroups" : [ {"Ref" : "MyDbSecurityByEC2SecurityGroup"}, {"Ref" : "MyDbSecurityByCIDRIPGroup"} ], "AllocatedStorage" : "5", "DBInstanceClass" : "db.t2.small", "Engine" : "MySQL", "MasterUsername" : "MyName", "ManageMasterUserPassword" : true, "MasterUserSecret" : { "KmsKeyId" : {"Ref" : "KMSKey"} } }, "DeletionPolicy" : "Snapshot" }

YAML

MyDB: Type: AWS::RDS::DBInstance Properties: DBSecurityGroups: - Ref: MyDbSecurityByEC2SecurityGroup - Ref: MyDbSecurityByCIDRIPGroup AllocatedStorage: '5' DBInstanceClass: db.t2.small Engine: MySQL MasterUsername: MyName ManageMasterUserPassword: true MasterUserSecret: KmsKeyId: !Ref KMSKey DeletionPolicy: Snapshot

Amazon RDS oracle database DB instance resource

This example creates an Oracle Database DB Instance resource with managed master user password. For more information, see Password management with AWS Secrets Manager in the Amazon RDS User Guide. The example specifies the Engine as oracle-ee with a license model of bring-your-own-license. For details about the settings for Oracle Database DB instances, see CreateDBInstance. The DBSecurityGroups property authorizes network ingress to the AWS::RDS::DBSecurityGroup resources named MyDbSecurityByEC2SecurityGroup and MyDbSecurityByCIDRIPGroup. For details, see AWS::RDS::DBInstance. The DB Instance resource also has a DeletionPolicy attribute set to Snapshot. With the Snapshot DeletionPolicy set, AWS CloudFormation will take a snapshot of this DB Instance before deleting it during stack deletion.

JSON

"MyDB" : { "Type" : "AWS::RDS::DBInstance", "Properties" : { "DBSecurityGroups" : [ {"Ref" : "MyDbSecurityByEC2SecurityGroup"}, {"Ref" : "MyDbSecurityByCIDRIPGroup"} ], "AllocatedStorage" : "5", "DBInstanceClass" : "db.t2.small", "Engine" : "oracle-ee", "LicenseModel" : "bring-your-own-license", "MasterUsername" : "master", "ManageMasterUserPassword" : true, "MasterUserSecret" : { "KmsKeyId" : {"Ref" : "KMSKey"} } }, "DeletionPolicy" : "Snapshot" }

YAML

MyDB: Type: AWS::RDS::DBInstance Properties: DBSecurityGroups: - Ref: MyDbSecurityByEC2SecurityGroup - Ref: MyDbSecurityByCIDRIPGroup AllocatedStorage: '5' DBInstanceClass: db.t2.small Engine: oracle-ee LicenseModel: bring-your-own-license MasterUsername: master ManageMasterUserPassword: true MasterUserSecret: KmsKeyId: !Ref KMSKey DeletionPolicy: Snapshot

Amazon RDS DBSecurityGroup resource for CIDR range

This example shows an Amazon RDS DBSecurityGroup resource with ingress authorization for the specified CIDR range in the format ddd.ddd.ddd.ddd/dd. For details, see AWS::RDS::DBSecurityGroup and Ingress.

JSON

"MyDbSecurityByCIDRIPGroup" : { "Type" : "AWS::RDS::DBSecurityGroup", "Properties" : { "GroupDescription" : "Ingress for CIDRIP", "DBSecurityGroupIngress" : { "CIDRIP" : "192.168.0.0/32" } } }

YAML

MyDbSecurityByCIDRIPGroup: Type: AWS::RDS::DBSecurityGroup Properties: GroupDescription: Ingress for CIDRIP DBSecurityGroupIngress: CIDRIP: "192.168.0.0/32"

Amazon RDS DBSecurityGroup with an Amazon EC2 security group

This example shows an AWS::RDS::DBSecurityGroup resource with ingress authorization from an Amazon EC2 security group referenced by MyEc2SecurityGroup.

To do this, you define an EC2 security group and then use the intrinsic Ref function to refer to the EC2 security group within your DBSecurityGroup.

JSON

"DBInstance" : { "Type": "AWS::RDS::DBInstance", "Properties": { "DBName" : { "Ref" : "DBName" }, "Engine" : "MySQL", "MasterUsername" : { "Ref" : "DBUsername" }, "DBInstanceClass" : { "Ref" : "DBClass" }, "DBSecurityGroups" : [ { "Ref" : "DBSecurityGroup" } ], "AllocatedStorage" : { "Ref" : "DBAllocatedStorage" }, "MasterUserPassword": { "Ref" : "DBPassword" } } }, "DBSecurityGroup": { "Type": "AWS::RDS::DBSecurityGroup", "Properties": { "DBSecurityGroupIngress": { "EC2SecurityGroupName": { "Fn::GetAtt": ["WebServerSecurityGroup", "GroupName"] } }, "GroupDescription" : "Frontend Access" } }, "WebServerSecurityGroup" : { "Type" : "AWS::EC2::SecurityGroup", "Properties" : { "GroupDescription" : "Enable HTTP access via port 80 and SSH access", "SecurityGroupIngress" : [ {"IpProtocol" : "tcp", "FromPort" : 80, "ToPort" : 80, "CidrIp" : "0.0.0.0/0"}, {"IpProtocol" : "tcp", "FromPort" : 22, "ToPort" : 22, "CidrIp" : "0.0.0.0/0"} ] } }

YAML

This example is extracted from the following full example: Drupal_Single_Instance_With_RDS.template

DBInstance: Type: AWS::RDS::DBInstance Properties: DBName: Ref: DBName Engine: MySQL MasterUsername: Ref: DBUsername DBInstanceClass: Ref: DBClass DBSecurityGroups: - Ref: DBSecurityGroup AllocatedStorage: Ref: DBAllocatedStorage MasterUserPassword: Ref: DBPassword DBSecurityGroup: Type: AWS::RDS::DBSecurityGroup Properties: DBSecurityGroupIngress: EC2SecurityGroupName: Ref: WebServerSecurityGroup GroupDescription: Frontend Access WebServerSecurityGroup: Type: AWS::EC2::SecurityGroup Properties: GroupDescription: Enable HTTP access via port 80 and SSH access SecurityGroupIngress: - IpProtocol: tcp FromPort: 80 ToPort: 80 CidrIp: 0.0.0.0/0 - IpProtocol: tcp FromPort: 22 ToPort: 22 CidrIp: 0.0.0.0/0

Multiple VPC security groups

This example shows an AWS::RDS::DBSecurityGroup resource with ingress authorization for multiple Amazon EC2 VPC security groups in AWS::RDS::DBSecurityGroupIngress.

JSON

{ "Resources" : { "DBinstance" : { "Type" : "AWS::RDS::DBInstance", "Properties" : { "AllocatedStorage" : "5", "DBInstanceClass" : "db.t2.small", "DBName" : {"Ref": "MyDBName" }, "DBSecurityGroups" : [ { "Ref" : "DbSecurityByEC2SecurityGroup" } ], "DBSubnetGroupName" : { "Ref" : "MyDBSubnetGroup" }, "Engine" : "MySQL", "MasterUserPassword": { "Ref" : "MyDBPassword" }, "MasterUsername" : { "Ref" : "MyDBUsername" } }, "DeletionPolicy" : "Snapshot" }, "DbSecurityByEC2SecurityGroup" : { "Type" : "AWS::RDS::DBSecurityGroup", "Properties" : { "GroupDescription" : "Ingress for Amazon EC2 security group", "EC2VpcId" : { "Ref" : "MyVPC" }, "DBSecurityGroupIngress" : [ { "EC2SecurityGroupId" : "sg-b0ff1111", "EC2SecurityGroupOwnerId" : "111122223333" }, { "EC2SecurityGroupId" : "sg-ffd722222", "EC2SecurityGroupOwnerId" : "111122223333" } ] } } } }

YAML

Resources: DBinstance: Type: AWS::RDS::DBInstance Properties: AllocatedStorage: '5' DBInstanceClass: db.t2.small DBName: Ref: MyDBName DBSecurityGroups: - Ref: DbSecurityByEC2SecurityGroup DBSubnetGroupName: Ref: MyDBSubnetGroup Engine: MySQL MasterUserPassword: Ref: MyDBPassword MasterUsername: Ref: MyDBUsername DeletionPolicy: Snapshot DbSecurityByEC2SecurityGroup: Type: AWS::RDS::DBSecurityGroup Properties: GroupDescription: Ingress for Amazon EC2 security group EC2VpcId: Ref: MyVPC DBSecurityGroupIngress: - EC2SecurityGroupId: sg-b0ff1111 EC2SecurityGroupOwnerId: '111122223333' - EC2SecurityGroupId: sg-ffd722222 EC2SecurityGroupOwnerId: '111122223333'

Amazon RDS database instance in a VPC security group

This example shows an Amazon RDS database instance associated with an Amazon EC2 VPC security group.

JSON

{ "DBEC2SecurityGroup": { "Type": "AWS::EC2::SecurityGroup", "Properties" : { "GroupDescription": "Open database for access", "SecurityGroupIngress" : [{ "IpProtocol" : "tcp", "FromPort" : 3306, "ToPort" : 3306, "SourceSecurityGroupName" : { "Ref" : "WebServerSecurityGroup" } }] } }, "DBInstance" : { "Type": "AWS::RDS::DBInstance", "Properties": { "DBName" : { "Ref" : "DBName" }, "Engine" : "MySQL", "MultiAZ" : { "Ref": "MultiAZDatabase" }, "MasterUsername" : { "Ref" : "DBUser" }, "DBInstanceClass" : { "Ref" : "DBClass" }, "AllocatedStorage" : { "Ref" : "DBAllocatedStorage" }, "MasterUserPassword": { "Ref" : "DBPassword" }, "VPCSecurityGroups" : [ { "Fn::GetAtt": [ "DBEC2SecurityGroup", "GroupId" ] } ] } } }

YAML

DBEC2SecurityGroup: Type: AWS::EC2::SecurityGroup Properties: GroupDescription: Open database for access SecurityGroupIngress: - IpProtocol: tcp FromPort: 3306 ToPort: 3306 SourceSecurityGroupName: Ref: WebServerSecurityGroup DBInstance: Type: AWS::RDS::DBInstance Properties: DBName: Ref: DBName Engine: MySQL MultiAZ: Ref: MultiAZDatabase MasterUsername: Ref: DBUser DBInstanceClass: Ref: DBClass AllocatedStorage: Ref: DBAllocatedStorage MasterUserPassword: Ref: DBPassword VPCSecurityGroups: - !GetAtt DBEC2SecurityGroup.GroupId