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