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**Example 1: To describe a DB cluster**
The following ``describe-db-clusters`` example retrieves the details of the specified DB cluster. ::
aws rds describe-db-clusters \
--db-cluster-identifier mydbcluster
Output::
{
"DBClusters": [
{
"AllocatedStorage": 1,
"AvailabilityZones": [
"us-east-1a",
"us-east-1b",
"us-east-1e"
],
"BackupRetentionPeriod": 1,
"DatabaseName": "mydbcluster",
"DBClusterIdentifier": "mydbcluster",
"DBClusterParameterGroup": "default.aurora-mysql5.7",
"DBSubnetGroup": "default",
"Status": "available",
"EarliestRestorableTime": "2019-06-19T09:16:28.210Z",
"Endpoint": "mydbcluster.cluster-cnpexample.us-east-1.rds.amazonaws.com",
"ReaderEndpoint": "mydbcluster.cluster-ro-cnpexample.us-east-1.rds.amazonaws.com",
"MultiAZ": true,
"Engine": "aurora-mysql",
"EngineVersion": "5.7.mysql_aurora.2.04.2",
"LatestRestorableTime": "2019-06-20T22:38:14.908Z",
"Port": 3306,
"MasterUsername": "myadmin",
"PreferredBackupWindow": "09:09-09:39",
"PreferredMaintenanceWindow": "sat:04:09-sat:04:39",
"ReadReplicaIdentifiers": [],
"DBClusterMembers": [
{
"DBInstanceIdentifier": "dbinstance3",
"IsClusterWriter": false,
"DBClusterParameterGroupStatus": "in-sync",
"PromotionTier": 1
},
{
"DBInstanceIdentifier": "dbinstance1",
"IsClusterWriter": false,
"DBClusterParameterGroupStatus": "in-sync",
"PromotionTier": 1
},
{
"DBInstanceIdentifier": "dbinstance2",
"IsClusterWriter": false,
"DBClusterParameterGroupStatus": "in-sync",
"PromotionTier": 1
},
{
"DBInstanceIdentifier": "mydbcluster",
"IsClusterWriter": false,
"DBClusterParameterGroupStatus": "in-sync",
"PromotionTier": 1
},
{
"DBInstanceIdentifier": "mydbcluster-us-east-1b",
"IsClusterWriter": false,
"DBClusterParameterGroupStatus": "in-sync",
"PromotionTier": 1
},
{
"DBInstanceIdentifier": "mydbcluster",
"IsClusterWriter": true,
"DBClusterParameterGroupStatus": "in-sync",
"PromotionTier": 1
}
],
"VpcSecurityGroups": [
{
"VpcSecurityGroupId": "sg-0b9130572daf3dc16",
"Status": "active"
}
],
"HostedZoneId": "Z2R2ITUGPM61AM",
"StorageEncrypted": true,
"KmsKeyId": "arn:aws:kms:us-east-1:814387698303:key/AKIAIOSFODNN7EXAMPLE",
"DbClusterResourceId": "cluster-AKIAIOSFODNN7EXAMPLE",
"DBClusterArn": "arn:aws:rds:us-east-1:123456789012:cluster:mydbcluster",
"AssociatedRoles": [],
"IAMDatabaseAuthenticationEnabled": false,
"ClusterCreateTime": "2019-04-15T14:18:42.785Z",
"EngineMode": "provisioned",
"DeletionProtection": false,
"HttpEndpointEnabled": false
}
]
}
**Example 2: To list certain attributes of all DB clusters**
The following ``describe-db-clusters`` example retrieves only the ``DBClusterIdentifier``, ``Endpoint``, and ``ReaderEndpoint`` attributes of all your DB clusters in the current AWS Region. ::
aws rds describe-db-clusters \
--query 'DBClusters[].{DBClusterIdentifier:DBClusterIdentifier,Endpoint:Endpoint,ReaderEndpoint:ReaderEndpoint}'
Output::
[
{
"Endpoint": "cluster-57-2020-05-01-2270.cluster-cnpexample.us-east-1.rds.amazonaws.com",
"ReaderEndpoint": "cluster-57-2020-05-01-2270.cluster-ro-cnpexample.us-east-1.rds.amazonaws.com",
"DBClusterIdentifier": "cluster-57-2020-05-01-2270"
},
{
"Endpoint": "cluster-57-2020-05-01-4615.cluster-cnpexample.us-east-1.rds.amazonaws.com",
"ReaderEndpoint": "cluster-57-2020-05-01-4615.cluster-ro-cnpexample.us-east-1.rds.amazonaws.com",
"DBClusterIdentifier": "cluster-57-2020-05-01-4615"
},
{
"Endpoint": "pg2-cluster.cluster-cnpexample.us-east-1.rds.amazonaws.com",
"ReaderEndpoint": "pg2-cluster.cluster-ro-cnpexample.us-east-1.rds.amazonaws.com",
"DBClusterIdentifier": "pg2-cluster"
},
...output omitted...
}
]
**Example 3: To list DB clusters with a specific attribute**
The following ``describe-db-clusters`` example retrieves only the ``DBClusterIdentifier`` and ``Engine`` attributes of your DB clusters that use the ``aurora-postgresql`` DB engine. ::
aws rds describe-db-clusters \
--query 'DBClusters[].{DBClusterIdentifier:DBClusterIdentifier,Engine:Engine} | [?Engine == `aurora-postgresql`]'
Output::
[
{
"Engine": "aurora-postgresql",
"DBClusterIdentifier": "pg2-cluster"
}
]
For more information, see `Amazon Aurora DB Clusters <https://docs.aws.amazon.com/AmazonRDS/latest/AuroraUserGuide/Aurora.Overview.html>`__ in the *Amazon Aurora User Guide*.
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