Class Backup (2.0.0)

Backup(backup_id, instance, cluster_id=None, table_id=None, expire_time=None)

Representation of a Google Cloud Bigtable Backup.

A :class: Backup can be used to:

create the backup
update the backup
delete the backup

Parameters

Name	Description
`backup_id`	`str` The ID of the backup.
`instance`	`Instance` The Instance that owns this Backup.
`cluster_id`	`str` (Optional) The ID of the Cluster that contains this Backup. Required for calling 'delete', 'exists' etc. methods.
`table_id`	`str` (Optional) The ID of the Table that the Backup is for. Required if the 'create' method will be called.
`expire_time`	`datetime.datetime` (Optional) The expiration time after which the Backup will be automatically deleted. Required if the `create` method will be called.

Properties

cluster

The ID of the [parent] cluster used in requests.

Returns

Type	Description
`str`	The ID of the cluster containing the Backup.

end_time

The time this Backup was finished.

Returns

Type	Description
`datetime.datetime`	A 'datetime' object representing the time when the creation of this Backup was finished.

expire_time

Expiration time used in the creation requests.

Returns

Type	Description
`datetime.datetime`	A 'datetime' object representing the expiration time of this Backup.

name

Backup name used in requests.

The Backup name is of the form

`"projects/../instances/../clusters/../backups/{backup_id}"`

Exceptions

Type	Description
`ValueError`	If the 'cluster' has not been set.

Returns

Type	Description
`str`	The Backup name.

parent

Name of the parent cluster used in requests.

Note: This property will return None if cluster is not set.

The parent name is of the form

`"projects/{project}/instances/{instance_id}/clusters/{cluster}"`

Returns

Type	Description
`str`	A full path to the parent cluster.

size_bytes

The size of this Backup, in bytes.

Returns

Type	Description
`int`	The size of this Backup, in bytes.

source_table

The full name of the Table from which this Backup is created.

Note: This property will return None if table_id is not set.

The table name is of the form

`"projects/../instances/../tables/{source_table}"`

Returns

Type	Description
`str`	The Table name.

start_time

The time this Backup was started.

Returns

Type	Description
`datetime.datetime`	A 'datetime' object representing the time when the creation of this Backup had started.

state

The current state of this Backup.

Returns

Type	Description
`State`	The current state of this Backup.

Methods

create

create(cluster_id=None)

Creates this backup within its instance.

Parameter

Name	Description
`cluster_id`	`str` (Optional) The ID of the Cluster for the newly created Backup.

Exceptions

Type	Description
`Conflict`	if the Backup already exists
`NotFound`	if the Instance owning the Backup does not exist
`BadRequest`	if the `table` or `expire_time` values are invalid, or `expire_time` is not set

Returns

Type	Description
`google.api_core.operation.Operation`	_OperationFuture instance, to be used to poll the status of the 'create' request

delete

delete()

Delete this Backup.

exists

exists()

Tests whether this Backup exists.

Returns

Type	Description
`bool`	True if the Backup exists, else False.

from_pb

from_pb(backup_pb, instance)

Creates a Backup instance from a protobuf message.

Parameters

Name	Description
`backup_pb`	`table.Backup` A Backup protobuf object.
`instance`	`Instance` The Instance that owns the Backup.

Exceptions

Type	Description
`ValueError`	If the backup name does not match the expected format or the parsed project ID does not match the project ID on the Instance's client, or if the parsed instance ID does not match the Instance ID.

Returns

Type	Description
`Backup`	The backup parsed from the protobuf response.

get

get()

Retrieves metadata of a pending or completed Backup.

Exceptions

Type	Description
`google.api_core.exceptions.GoogleAPICallError`	If the request failed for any reason.
`google.api_core.exceptions.RetryError`	If the request failed due to a retryable error and retry attempts failed.
`ValueError`	If the parameters are invalid.

get_iam_policy

get_iam_policy()

Gets the IAM access control policy for this backup.

Returns

Type	Description
`Policy`	The current IAM policy of this backup.

reload

reload()

Refreshes the stored backup properties.

restore

restore(table_id)

Creates a new Table by restoring from this Backup. The new Table must be in the same Instance as the Instance containing the Backup. The returned Table long-running operation can be used to track the progress of the operation and to cancel it. The response type is Table, if successful.

Exceptions

Type	Description
`google.api_core.exceptions.AlreadyExists`	If the table already exists.
`google.api_core.exceptions.GoogleAPICallError`	If the request failed for any reason.
`google.api_core.exceptions.RetryError`	If the request failed due to a retryable error and retry attempts failed.
`ValueError`	If the parameters are invalid.

set_iam_policy

set_iam_policy(policy)

Sets the IAM access control policy for this backup. Replaces any existing policy.

For more information about policy, please see documentation of class google.cloud.bigtable.policy.Policy

Parameter

Name	Description
`policy`	`Policy` A new IAM policy to replace the current IAM policy of this backup.

Returns

Type	Description
`Policy`	The current IAM policy of this backup.

test_iam_permissions

test_iam_permissions(permissions)

Tests whether the caller has the given permissions for this backup. Returns the permissions that the caller has.

Parameter

Name	Description
`permissions`	`list` The set of permissions to check for the `resource`. Permissions with wildcards (such as '' or 'storage.') are not allowed. For more information see `IAM Overview https://cloud.google.com/iam/docs/overview#permissions`. `Bigtable Permissions https://cloud.google.com/bigtable/docs/access-control`.

Returns

Type	Description
`list`	A List(string) of permissions allowed on the backup.

update_expire_time

update_expire_time(new_expire_time)

Update the expire time of this Backup.

Parameter

Name	Description
`new_expire_time`	`datetime.datetime` the new expiration time timestamp