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# Extraits de modèle Amazon Redshift
Amazon Redshift est un service d’entrepôt des données entièrement géré dans le cloud. Vous pouvez utiliser CloudFormation pour allouer et gérer des clusters Amazon Redshift.
## Cluster Amazon Redshift
L’exemple de modèle suivant crée un cluster Amazon Redshift selon les valeurs des paramètres spécifiées lors de la création de la pile. Le groupe de paramètres du cluster associé au cluster Amazon Redshift permet de journaliser l'activité des utilisateurs. Le modèle lance également les clusters Amazon Redshift dans un Amazon VPC qui est défini dans le modèle. Le VPC comporte une passerelle internet afin que vous puissiez accéder aux clusters Amazon Redshift à partir d'Internet. Toutefois, la communication entre le cluster et la passerelle Internet doit aussi être activée, ce qui est effectuée par l'entrée de la table de routage.
**Note**
Le modèle inclut la condition `IsMultiNodeCluster` pour que le paramètre `NumberOfNodes` soit déclaré uniquement lorsque la valeur de paramètre `ClusterType` indique `multi-node`.
L’exemple définit le paramètre `MysqlRootPassword` avec sa propriété `NoEcho` définie sur `true`. Si vous définissez l'attribut `NoEcho` sur `true`, CloudFormation renvoie la valeur du paramètre masquée sous forme d'astérisques (\$1\$1\$1\$1\$1) pour tous les appels qui décrivent la pile ou les événements de pile, à l'exception des informations stockées dans les emplacements spécifiés ci-dessous.
**Important**
L'utilisation de l'attribut `NoEcho` ne masque aucune information stockée dans les lieux suivants :
La section des `Metadata` modèles. CloudFormation ne transforme, ne modifie ni n'expurge aucune information que vous incluez dans `Metadata` cette section. Pour de plus amples informations, veuillez consulter [Métadonnées](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/metadata-section-structure.html).
La section de modèle `Outputs` Pour de plus amples informations, veuillez consulter [Sorties](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/outputs-section-structure.html)
L’attribut `Metadata` d'une définition de ressource. Pour plus d'informations, voir la section consécrée à l'[Attribut `Metadata`](https://docs.aws.amazon.com/AWSCloudFormation/latest/TemplateReference/aws-attribute-metadata.html).
Nous vous recommandons vivement de ne pas utiliser ces mécanismes pour inclure des informations sensibles, telles que des mots de passe ou des secrets.
**Important**
Plutôt que d'intégrer des informations sensibles directement dans vos CloudFormation modèles, nous vous recommandons d'utiliser des paramètres dynamiques dans le modèle de pile pour référencer les informations sensibles stockées et gérées à l'extérieur CloudFormation, par exemple dans le AWS Systems Manager Parameter Store ou AWS Secrets Manager.
Pour de plus amples informations, veuillez consulter la bonne pratique [N'incorporez pas d'informations d'identification dans vos modèles](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/security-best-practices.html#creds).
### JSON
```
{
"AWSTemplateFormatVersion": "2010-09-09",
"Parameters" : {
"DatabaseName" : {
"Description" : "The name of the first database to be created when the cluster is created",
"Type" : "String",
"Default" : "dev",
"AllowedPattern" : "([a-z]|[0-9])+"
},
"ClusterType" : {
"Description" : "The type of cluster",
"Type" : "String",
"Default" : "single-node",
"AllowedValues" : [ "single-node", "multi-node" ]
},
"NumberOfNodes" : {
"Description" : "The number of compute nodes in the cluster. For multi-node clusters, the NumberOfNodes parameter must be greater than 1",
"Type" : "Number",
"Default" : "1"
},
"NodeType" : {
"Description" : "The type of node to be provisioned",
"Type" : "String",
"Default" : "ds2.xlarge",
"AllowedValues" : [ "ds2.xlarge", "ds2.8xlarge", "dc1.large", "dc1.8xlarge" ]
},
"MasterUsername" : {
"Description" : "The user name that is associated with the master user account for the cluster that is being created",
"Type" : "String",
"Default" : "defaultuser",
"AllowedPattern" : "([a-z])([a-z]|[0-9])*"
},
"MasterUserPassword" : {
"Description" : "The password that is associated with the master user account for the cluster that is being created.",
"Type" : "String",
"NoEcho" : "true"
},
"InboundTraffic" : {
"Description" : "Allow inbound traffic to the cluster from this CIDR range.",
"Type" : "String",
"MinLength": "9",
"MaxLength": "18",
"Default" : "0.0.0.0/0",
"AllowedPattern" : "(\\d{1,3})\\.(\\d{1,3})\\.(\\d{1,3})\\.(\\d{1,3})/(\\d{1,2})",
"ConstraintDescription" : "must be a valid CIDR range of the form x.x.x.x/x."
},
"PortNumber" : {
"Description" : "The port number on which the cluster accepts incoming connections.",
"Type" : "Number",
"Default" : "5439"
}
},
"Conditions" : {
"IsMultiNodeCluster" : {
"Fn::Equals" : [{ "Ref" : "ClusterType" }, "multi-node" ]
}
},
"Resources" : {
"RedshiftCluster" : {
"Type" : "AWS::Redshift::Cluster",
"DependsOn" : "AttachGateway",
"Properties" : {
"ClusterType" : { "Ref" : "ClusterType" },
"NumberOfNodes" : { "Fn::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" },
"PubliclyAccessible" : "true",
"Port" : { "Ref" : "PortNumber" }
}
},
"RedshiftClusterParameterGroup" : {
"Type" : "AWS::Redshift::ClusterParameterGroup",
"Properties" : {
"Description" : "Cluster parameter group",
"ParameterGroupFamily" : "redshift-1.0",
"Parameters" : [{
"ParameterName" : "enable_user_activity_logging",
"ParameterValue" : "true"
}]
}
},
"RedshiftClusterSubnetGroup" : {
"Type" : "AWS::Redshift::ClusterSubnetGroup",
"Properties" : {
"Description" : "Cluster subnet group",
"SubnetIds" : [ { "Ref" : "PublicSubnet" } ]
}
},
"VPC" : {
"Type" : "AWS::EC2::VPC",
"Properties" : {
"CidrBlock" : "10.0.0.0/16"
}
},
"PublicSubnet" : {
"Type" : "AWS::EC2::Subnet",
"Properties" : {
"CidrBlock" : "10.0.0.0/24",
"VpcId" : { "Ref" : "VPC" }
}
},
"SecurityGroup" : {
"Type" : "AWS::EC2::SecurityGroup",
"Properties" : {
"GroupDescription" : "Security group",
"SecurityGroupIngress" : [ {
"CidrIp" : { "Ref": "InboundTraffic" },
"FromPort" : { "Ref" : "PortNumber" },
"ToPort" : { "Ref" : "PortNumber" },
"IpProtocol" : "tcp"
} ],
"VpcId" : { "Ref" : "VPC" }
}
},
"myInternetGateway" : {
"Type" : "AWS::EC2::InternetGateway"
},
"AttachGateway" : {
"Type" : "AWS::EC2::VPCGatewayAttachment",
"Properties" : {
"VpcId" : { "Ref" : "VPC" },
"InternetGatewayId" : { "Ref" : "myInternetGateway" }
}
},
"PublicRouteTable" : {
"Type" : "AWS::EC2::RouteTable",
"Properties" : {
"VpcId" : {
"Ref" : "VPC"
}
}
},
"PublicRoute" : {
"Type" : "AWS::EC2::Route",
"DependsOn" : "AttachGateway",
"Properties" : {
"RouteTableId" : {
"Ref" : "PublicRouteTable"
},
"DestinationCidrBlock" : "0.0.0.0/0",
"GatewayId" : {
"Ref" : "myInternetGateway"
}
}
},
"PublicSubnetRouteTableAssociation" : {
"Type" : "AWS::EC2::SubnetRouteTableAssociation",
"Properties" : {
"SubnetId" : {
"Ref" : "PublicSubnet"
},
"RouteTableId" : {
"Ref" : "PublicRouteTable"
}
}
}
},
"Outputs" : {
"ClusterEndpoint" : {
"Description" : "Cluster endpoint",
"Value" : { "Fn::Join" : [ ":", [ { "Fn::GetAtt" : [ "RedshiftCluster", "Endpoint.Address" ] }, { "Fn::GetAtt" : [ "RedshiftCluster", "Endpoint.Port" ] } ] ] }
},
"ClusterName" : {
"Description" : "Name of cluster",
"Value" : { "Ref" : "RedshiftCluster" }
},
"ParameterGroupName" : {
"Description" : "Name of parameter group",
"Value" : { "Ref" : "RedshiftClusterParameterGroup" }
},
"RedshiftClusterSubnetGroupName" : {
"Description" : "Name of cluster subnet group",
"Value" : { "Ref" : "RedshiftClusterSubnetGroup" }
},
"RedshiftClusterSecurityGroupName" : {
"Description" : "Name of cluster security group",
"Value" : { "Ref" : "SecurityGroup" }
}
}
}
```
### YAML
```
AWSTemplateFormatVersion: '2010-09-09'
Parameters:
DatabaseName:
Description: The name of the first database to be created when the cluster is
created
Type: String
Default: dev
AllowedPattern: "([a-z]|[0-9])+"
ClusterType:
Description: The type of cluster
Type: String
Default: single-node
AllowedValues:
- single-node
- multi-node
NumberOfNodes:
Description: The number of compute nodes in the cluster. For multi-node clusters,
the NumberOfNodes parameter must be greater than 1
Type: Number
Default: '1'
NodeType:
Description: The type of node to be provisioned
Type: String
Default: ds2.xlarge
AllowedValues:
- ds2.xlarge
- ds2.8xlarge
- dc1.large
- dc1.8xlarge
MasterUsername:
Description: The user name that is associated with the master user account for
the cluster that is being created
Type: String
Default: defaultuser
AllowedPattern: "([a-z])([a-z]|[0-9])*"
MasterUserPassword:
Description: The password that is associated with the master user account for
the cluster that is being created.
Type: String
NoEcho: 'true'
InboundTraffic:
Description: Allow inbound traffic to the cluster from this CIDR range.
Type: String
MinLength: '9'
MaxLength: '18'
Default: 0.0.0.0/0
AllowedPattern: "(\\d{1,3})\\.(\\d{1,3})\\.(\\d{1,3})\\.(\\d{1,3})/(\\d{1,2})"
ConstraintDescription: must be a valid CIDR range of the form x.x.x.x/x.
PortNumber:
Description: The port number on which the cluster accepts incoming connections.
Type: Number
Default: '5439'
Conditions:
IsMultiNodeCluster:
Fn::Equals:
- Ref: ClusterType
- multi-node
Resources:
RedshiftCluster:
Type: AWS::Redshift::Cluster
DependsOn: AttachGateway
Properties:
ClusterType:
Ref: ClusterType
NumberOfNodes:
Fn::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
PubliclyAccessible: 'true'
Port:
Ref: PortNumber
RedshiftClusterParameterGroup:
Type: AWS::Redshift::ClusterParameterGroup
Properties:
Description: Cluster parameter group
ParameterGroupFamily: redshift-1.0
Parameters:
- ParameterName: enable_user_activity_logging
ParameterValue: 'true'
RedshiftClusterSubnetGroup:
Type: AWS::Redshift::ClusterSubnetGroup
Properties:
Description: Cluster subnet group
SubnetIds:
- Ref: PublicSubnet
VPC:
Type: AWS::EC2::VPC
Properties:
CidrBlock: 10.0.0.0/16
PublicSubnet:
Type: AWS::EC2::Subnet
Properties:
CidrBlock: 10.0.0.0/24
VpcId:
Ref: VPC
SecurityGroup:
Type: AWS::EC2::SecurityGroup
Properties:
GroupDescription: Security group
SecurityGroupIngress:
- CidrIp:
Ref: InboundTraffic
FromPort:
Ref: PortNumber
ToPort:
Ref: PortNumber
IpProtocol: tcp
VpcId:
Ref: VPC
myInternetGateway:
Type: AWS::EC2::InternetGateway
AttachGateway:
Type: AWS::EC2::VPCGatewayAttachment
Properties:
VpcId:
Ref: VPC
InternetGatewayId:
Ref: myInternetGateway
PublicRouteTable:
Type: AWS::EC2::RouteTable
Properties:
VpcId:
Ref: VPC
PublicRoute:
Type: AWS::EC2::Route
DependsOn: AttachGateway
Properties:
RouteTableId:
Ref: PublicRouteTable
DestinationCidrBlock: 0.0.0.0/0
GatewayId:
Ref: myInternetGateway
PublicSubnetRouteTableAssociation:
Type: AWS::EC2::SubnetRouteTableAssociation
Properties:
SubnetId:
Ref: PublicSubnet
RouteTableId:
Ref: PublicRouteTable
Outputs:
ClusterEndpoint:
Description: Cluster endpoint
Value: !Sub "${RedshiftCluster.Endpoint.Address}:${RedshiftCluster.Endpoint.Port}"
ClusterName:
Description: Name of cluster
Value:
Ref: RedshiftCluster
ParameterGroupName:
Description: Name of parameter group
Value:
Ref: RedshiftClusterParameterGroup
RedshiftClusterSubnetGroupName:
Description: Name of cluster subnet group
Value:
Ref: RedshiftClusterSubnetGroup
RedshiftClusterSecurityGroupName:
Description: Name of cluster security group
Value:
Ref: SecurityGroup
```
## Consultez aussi
[AWS::Redshift::Cluster](https://docs.aws.amazon.com/AWSCloudFormation/latest/TemplateReference/aws-resource-redshift-cluster.html)