MCP Tools Reference: alloydb

Tool: restore_cluster

Restores an AlloyDB cluster from a given backup or a source cluster and a timestamp.

Requirements

  • Depending on the source type, the requirements are different.
  • For a backup source, the backup resource must exist. The backup resource can be created on-demand or from an automated system.
  • For a continuous backup (also known as PITR) source, the source cluster must exist and have continuous backup enabled.
  • For a backup and disaster recovery source, the backup resource must exist inside the backup vault.
  • For a backup and disaster recovery point in time recovery source, the data source must exist inside the backup vault.

Usage

  1. Call create_backup to create an on-demand backup if needed.
  2. Call restore_cluster to restore a cluster from a given backup or a source cluster and a timestamp.
  3. This will return a long-running operation that indicates the progress of the cluster restoration. The time taken for the operation to complete depends on the size of the backup or the source cluster.
  4. You can poll the status of the operation using the get_operation tool.
  5. Once the long-running operation is complete, the new cluster will be in a READY state.

The following sample demonstrate how to use curl to invoke the restore_cluster MCP tool.

Curl Request
  
curl  
--location  
 'https://alloydb.googleapis.com/mcp' 
  
 \ 
--header  
 'content-type: application/json' 
  
 \ 
--header  
 'accept: application/json, text/event-stream' 
  
 \ 
--data  
 '{ 
 "method": "tools/call", 
 "params": { 
 "name": "restore_cluster", 
 "arguments": { 
 // provide these details according to the tool' 
s  
MCP  
specification  
 } 
  
 } 
,  
 "jsonrpc" 
:  
 "2.0" 
,  
 "id" 
:  
 1 
 } 
 ' 
  

Input Schema

Message for restoring a Cluster from a backup or another cluster at a given point in time.

RestoreClusterRequest

JSON representation
 { 
 "parent" 
 : 
 string 
 , 
 "clusterId" 
 : 
 string 
 , 
 // Union field source 
can be only one of the following: 
 "backupSource" 
 : 
 { 
 object (  BackupSource 
 
) 
 } 
 , 
 "continuousBackupSource" 
 : 
 { 
 object (  ContinuousBackupSource 
 
) 
 } 
 , 
 "backupdrBackupSource" 
 : 
 { 
 object (  BackupDrBackupSource 
 
) 
 } 
 , 
 "backupdrPitrSource" 
 : 
 { 
 object (  BackupDrPitrSource 
 
) 
 } 
 // End of list of possible types for union field source 
. 
 // Union field _psc_enabled 
can be only one of the following: 
 "pscEnabled" 
 : 
 boolean 
 // End of list of possible types for union field _psc_enabled 
. 
 // Union field _network 
can be only one of the following: 
 "network" 
 : 
 string 
 // End of list of possible types for union field _network 
. 
 } 
Fields
parent

string

Required. The parent resource in which to create the backup. The value must have a format of projects/{project}/locations/{location}. - {project} is the project that the backup resides in. This field can be specified either as: - Project ID: An alphanumeric string that can consist of lowercase letters, numerical digits, or dash ("-") characters. - Project number: A valid base-10 encoded positive integer. - {location} is the Google Cloud region that the backup resides in. Regions will have format like "us-central1" or "us-west2". The field is REQUIRED.

clusterId

string

Required. The cluster ID is the unique user-assigned ID of the restored cluster. It should be an alphanumeric string that can consist of lowercase letters, numerical digits, or dash characters ("-"). This field is REQUIRED.

Union field source . The source to restore the cluster from. This field is REQUIRED. source can be only one of the following:
backupSource

object ( BackupSource )

AlloyDB backup to restore from. This must either be the full backup name or the backup_id. In the second case, the project and location are assumed to be the same as the restored clusters that is being created. If using the full backup name, then it must be in the format of projects/{project}/locations/{location}/backups/{backup_id}. - {project} is the project that the backup resides in. This field can be specified either as: - Project ID: An alphanumeric string that can consist of lowercase letters, numerical digits, or dash ("-") characters. - Project number: A valid base-10 encoded positive integer. - {location} is the Google Cloud region that the backup resides in. Regions will have format like "us-central1" or "us-west2". - {backup_id} is the ID of the backup. It should be an alphanumeric string that can consist of lowercase letters, numerical digits, or dash ('-') characters.

continuousBackupSource

object ( ContinuousBackupSource )

The continuous backup source can be specified to use a source cluster from which to restore, and the point in time to restore to. Continuous backup needs to be enabled in the source cluster for this operation to succeed. The source cluster needs to be in the format of projects/{project}/locations/{location}/clusters/{cluster_id}. - {project} is the project that the cluster resides in. This field can be specified either as: - Project ID: An alphanumeric string that can consist of lowercase letters, numerical digits, or dash ("-") characters. - Project number: A valid base-10 encoded positive integer. - {location} is the Google Cloud region that the cluster resides in. Regions will have format like "us-central1" or "us-west2". - {cluster_id} is the ID of the cluster. It should be an alphanumeric string that can consist of lowercase letters, numerical digits, or dash ('-') characters. The point in time to restore to needs to in RFC 3339 format where generated output will always be Z-normalized and use 0, 3, 6 or 9 fractional digits. Offsets other than "Z" are also accepted. Examples: "2014-10-02T15:01:23Z", "2014-10-02T15:01:23.045123456Z" or "2014-10-02T15:01:23+05:30".

backupdrBackupSource

object ( BackupDrBackupSource )

Backup and Disaster Recovery backup source. The name of the backup resource must be in the format of projects/{project}/locations/{location}/backupVaults/{backupvault_id}/dataSources/{datasource_id}/backups/{backup_id}. - {project} is the project that the backup resides in. This field can be specified either as: - Project ID: An alphanumeric string that can consist of lowercase letters, numerical digits, or dash ("-") characters. - Project number: A valid base-10 encoded positive integer. - {location} is the Google Cloud region that the backup resides in. Regions will have format like "us-central1" or "us-west2". - {backupvault_id} is the ID of the backup vault. It should be an alphanumeric string that can consist of lowercase letters, numerical digits, or dash ("-") characters. It must be between 3-63 characters long. - {datasource_id} is the ID of the data source. It should be an alphanumeric string that can consist of lowercase letters, numerical digits, or dash ("-") characters. It must be between 3-63 characters long. - {backup_id} is the ID of the backup. It should be an alphanumeric string that can consist of lowercase letters, numerical digits, or dash ('-') characters.

backupdrPitrSource

object ( BackupDrPitrSource )

Backup and Disaster Recovery source used for point in time recovery. The name of the backup resource with the format: projects/{project}/locations/{location}/backupVaults/{backupvault_id}/dataSources/{datasource_id}. - {project} is the project that the backup resides in. This field can be specified either as: - Project ID: An alphanumeric string that can consist of lowercase letters, numerical digits, or dash ("-") characters. - Project number: A valid base-10 encoded positive integer. - {location} is the Google Cloud region that the backup resides in. Regions will have format like "us-central1" or "us-west2". - {backupvault_id} is the ID of the backup vault. It should be an alphanumeric string that can consist of lowercase letters, numerical digits, or dash ("-") characters. It must be between 3-63 characters long. - {datasource_id} is the ID of the data source. It should be an alphanumeric string that can consist of lowercase letters, numerical digits, or dash ("-") characters. It must be between 3-63 characters long. The point in time to restore to needs to in RFC 3339 format where generated output will always be Z-normalized and use 0, 3, 6 or 9 fractional digits. Offsets other than "Z" are also accepted. Examples: "2014-10-02T15:01:23Z", "2014-10-02T15:01:23.045123456Z" or "2014-10-02T15:01:23+05:30".

Union field _psc_enabled .

_psc_enabled can be only one of the following:

pscEnabled

boolean

Configures whether Private Service Connect is enabled for the cluster. This field is OPTIONAL. If neither network nor psc_enabled is specified, the default behavior will be to enable Private Service Connect.

Union field _network .

_network can be only one of the following:

network

string

The network is the VPC network that the cluster will reside in. Specifying this field will enable Private Google Access. This field is OPTIONAL, and if specified, it should have format like "projects/{project}/global/networks/{network_id}". This field should not be specified if psc_enabled is true.

BackupSource

JSON representation
 { 
 "backupUid" 
 : 
 string 
 , 
 "backupName" 
 : 
 string 
 } 
Fields
backupUid

string

Output only. The system-generated UID of the backup which was used to create this resource. The UID is generated when the backup is created, and it is retained until the backup is deleted.

backupName

string

Required. The name of the backup resource with the format: * projects/{project}/locations/{region}/backups/{backup_id}

ContinuousBackupSource

JSON representation
 { 
 "cluster" 
 : 
 string 
 , 
 "pointInTime" 
 : 
 string 
 } 
Fields
cluster

string

Required. The source cluster from which to restore. This cluster must have continuous backup enabled for this operation to succeed. For the required format, see the comment on the Cluster.name field.

pointInTime

string ( Timestamp format)

Required. The point in time to restore to.

Uses RFC 3339, where generated output will always be Z-normalized and use 0, 3, 6 or 9 fractional digits. Offsets other than "Z" are also accepted. Examples: "2014-10-02T15:01:23Z" , "2014-10-02T15:01:23.045123456Z" or "2014-10-02T15:01:23+05:30" .

Timestamp

JSON representation
 { 
 "seconds" 
 : 
 string 
 , 
 "nanos" 
 : 
 integer 
 } 
Fields
seconds

string ( int64 format)

Represents seconds of UTC time since Unix epoch 1970-01-01T00:00:00Z. Must be between -62135596800 and 253402300799 inclusive (which corresponds to 0001-01-01T00:00:00Z to 9999-12-31T23:59:59Z).

nanos

integer

Non-negative fractions of a second at nanosecond resolution. This field is the nanosecond portion of the duration, not an alternative to seconds. Negative second values with fractions must still have non-negative nanos values that count forward in time. Must be between 0 and 999,999,999 inclusive.

BackupDrBackupSource

JSON representation
 { 
 "backup" 
 : 
 string 
 } 
Fields
backup

string

Required. The name of the backup resource with the format: * projects/{project}/locations/{location}/backupVaults/{backupvault_id}/dataSources/{datasource_id}/backups/{backup_id}

BackupDrPitrSource

JSON representation
 { 
 "dataSource" 
 : 
 string 
 , 
 "pointInTime" 
 : 
 string 
 } 
Fields
dataSource

string

Required. The name of the backup resource with the format: * projects/{project}/locations/{location}/backupVaults/{backupvault_id}/dataSources/{datasource_id}

pointInTime

string ( Timestamp format)

Required. The point in time to restore to.

Uses RFC 3339, where generated output will always be Z-normalized and use 0, 3, 6 or 9 fractional digits. Offsets other than "Z" are also accepted. Examples: "2014-10-02T15:01:23Z" , "2014-10-02T15:01:23.045123456Z" or "2014-10-02T15:01:23+05:30" .

Output Schema

This resource represents a long-running operation that is the result of a network API call.

Operation

JSON representation
 { 
 "name" 
 : 
 string 
 , 
 "metadata" 
 : 
 { 
 "@type" 
 : 
 string 
 , 
 field1 
 : 
 ... 
 , 
 ... 
 } 
 , 
 "done" 
 : 
 boolean 
 , 
 // Union field result 
can be only one of the following: 
 "error" 
 : 
 { 
 object (  Status 
 
) 
 } 
 , 
 "response" 
 : 
 { 
 "@type" 
 : 
 string 
 , 
 field1 
 : 
 ... 
 , 
 ... 
 } 
 // End of list of possible types for union field result 
. 
 } 
Fields
name

string

The server-assigned name, which is only unique within the same service that originally returns it. If you use the default HTTP mapping, the name should be a resource name ending with operations/{unique_id} .

metadata

object

Service-specific metadata associated with the operation. It typically contains progress information and common metadata such as create time. Some services might not provide such metadata. Any method that returns a long-running operation should document the metadata type, if any.

An object containing fields of an arbitrary type. An additional field "@type" contains a URI identifying the type. Example: { "id": 1234, "@type": "types.example.com/standard/id" } .

done

boolean

If the value is false , it means the operation is still in progress. If true , the operation is completed, and either error or response is available.

Union field result . The operation result, which can be either an error or a valid response . If done == false , neither error nor response is set. If done == true , exactly one of error or response can be set. Some services might not provide the result. result can be only one of the following:
error

object ( Status )

The error result of the operation in case of failure or cancellation.

response

object

The normal, successful response of the operation. If the original method returns no data on success, such as Delete , the response is google.protobuf.Empty . If the original method is standard Get / Create / Update , the response should be the resource. For other methods, the response should have the type XxxResponse , where Xxx is the original method name. For example, if the original method name is TakeSnapshot() , the inferred response type is TakeSnapshotResponse .

An object containing fields of an arbitrary type. An additional field "@type" contains a URI identifying the type. Example: { "id": 1234, "@type": "types.example.com/standard/id" } .

Any

JSON representation
 { 
 "typeUrl" 
 : 
 string 
 , 
 "value" 
 : 
 string 
 } 
Fields
typeUrl

string

Identifies the type of the serialized Protobuf message with a URI reference consisting of a prefix ending in a slash and the fully-qualified type name.

Example: type.googleapis.com/google.protobuf.StringValue

This string must contain at least one / character, and the content after the last / must be the fully-qualified name of the type in canonical form, without a leading dot. Do not write a scheme on these URI references so that clients do not attempt to contact them.

The prefix is arbitrary and Protobuf implementations are expected to simply strip off everything up to and including the last / to identify the type. type.googleapis.com/ is a common default prefix that some legacy implementations require. This prefix does not indicate the origin of the type, and URIs containing it are not expected to respond to any requests.

All type URL strings must be legal URI references with the additional restriction (for the text format) that the content of the reference must consist only of alphanumeric characters, percent-encoded escapes, and characters in the following set (not including the outer backticks): /-.~_!$&()*+,;= . Despite our allowing percent encodings, implementations should not unescape them to prevent confusion with existing parsers. For example, type.googleapis.com%2FFoo should be rejected.

In the original design of Any , the possibility of launching a type resolution service at these type URLs was considered but Protobuf never implemented one and considers contacting these URLs to be problematic and a potential security issue. Do not attempt to contact type URLs.

value

string ( bytes format)

Holds a Protobuf serialization of the type described by type_url.

A base64-encoded string.

Status

JSON representation
 { 
 "code" 
 : 
 integer 
 , 
 "message" 
 : 
 string 
 , 
 "details" 
 : 
 [ 
 { 
 "@type" 
 : 
 string 
 , 
 field1 
 : 
 ... 
 , 
 ... 
 } 
 ] 
 } 
Fields
code

integer

The status code, which should be an enum value of google.rpc.Code .

message

string

A developer-facing error message, which should be in English. Any user-facing error message should be localized and sent in the google.rpc.Status.details field, or localized by the client.

details[]

object

A list of messages that carry the error details. There is a common set of message types for APIs to use.

An object containing fields of an arbitrary type. An additional field "@type" contains a URI identifying the type. Example: { "id": 1234, "@type": "types.example.com/standard/id" } .

Tool Annotations

Destructive Hint: ❌ | Idempotent Hint: ✅ | Read Only Hint: ❌ | Open World Hint: ❌

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