This sample resizes a persistent disk to a specified size in GB. After you resize the disk, you must also resize the file system so that the operating system can access the additional space.
Code sample
Java
Before trying this sample, follow the Java setup instructions in the Compute Engine quickstart using client libraries . For more information, see the Compute Engine Java API reference documentation .
To authenticate to Compute Engine, set up Application Default Credentials. For more information, see Set up authentication for a local development environment .
import
com.google.cloud.compute.v1. DisksClient
;
import
com.google.cloud.compute.v1. DisksResizeRequest
;
import
com.google.cloud.compute.v1. Operation
;
import
com.google.cloud.compute.v1. ResizeDiskRequest
;
import
java.io.IOException
;
import
java.util.concurrent.ExecutionException
;
import
java.util.concurrent.TimeUnit
;
import
java.util.concurrent.TimeoutException
;
public
class
ResizeDisk
{
public
static
void
main
(
String
[]
args
)
throws
IOException
,
ExecutionException
,
InterruptedException
,
TimeoutException
{
// TODO(developer): Replace these variables before running the sample.
// Project ID or project number of the Cloud project you want to use.
String
projectId
=
"your-project-id"
;
// Zone of the disk to be resized.
String
diskZone
=
"us-central1-a"
;
// Name of the disk that you want to resize.
String
diskName
=
"DISK_NAME"
;
// The new size you want to set for the disk in gigabytes.
int
newSizeGb
=
23
;
resizeDisk
(
projectId
,
diskZone
,
diskName
,
newSizeGb
);
}
// Resizes a persistent disk to a specified size in GB. After you resize the disk, you must
// also resize the file system so that the operating system can access the additional space.
public
static
void
resizeDisk
(
String
projectId
,
String
diskZone
,
String
diskName
,
int
newSizeGb
)
throws
IOException
,
ExecutionException
,
InterruptedException
,
TimeoutException
{
// Initialize client that will be used to send requests. This client only needs to be created
// once, and can be reused for multiple requests. After completing all of your requests, call
// the `disksClient.close()` method on the client to safely
// clean up any remaining background resources.
try
(
DisksClient
disksClient
=
DisksClient
.
create
())
{
ResizeDiskRequest
resizeDiskRequest
=
ResizeDiskRequest
.
newBuilder
()
.
setZone
(
diskZone
)
.
setDisksResizeRequestResource
(
DisksResizeRequest
.
newBuilder
()
.
setSizeGb
(
newSizeGb
)
.
build
())
.
setDisk
(
diskName
)
.
setProject
(
projectId
)
.
build
();
Operation
response
=
disksClient
.
resizeAsync
(
resizeDiskRequest
)
.
get
(
3
,
TimeUnit
.
MINUTES
);
if
(
response
.
hasError
())
{
System
.
out
.
println
(
"Resize disk failed! "
+
response
);
return
;
}
System
.
out
.
println
(
"Resize disk - operation status: "
+
response
.
getStatus
());
}
}
}
Python
Before trying this sample, follow the Python setup instructions in the Compute Engine quickstart using client libraries . For more information, see the Compute Engine Python API reference documentation .
To authenticate to Compute Engine, set up Application Default Credentials. For more information, see Set up authentication for a local development environment .
from
__future__
import
annotations
import
re
import
sys
from
typing
import
Any
from
google.api_core.extended_operation
import
ExtendedOperation
from
google.cloud
import
compute_v1
def
wait_for_extended_operation
(
operation
:
ExtendedOperation
,
verbose_name
:
str
=
"operation"
,
timeout
:
int
=
300
)
-
> Any
:
"""
Waits for the extended (long-running) operation to complete.
If the operation is successful, it will return its result.
If the operation ends with an error, an exception will be raised.
If there were any warnings during the execution of the operation
they will be printed to sys.stderr.
Args:
operation: a long-running operation you want to wait on.
verbose_name: (optional) a more verbose name of the operation,
used only during error and warning reporting.
timeout: how long (in seconds) to wait for operation to finish.
If None, wait indefinitely.
Returns:
Whatever the operation.result() returns.
Raises:
This method will raise the exception received from `operation.exception()`
or RuntimeError if there is no exception set, but there is an `error_code`
set for the `operation`.
In case of an operation taking longer than `timeout` seconds to complete,
a `concurrent.futures.TimeoutError` will be raised.
"""
result
=
operation
.
result
(
timeout
=
timeout
)
if
operation
.
error_code
:
print
(
f
"Error during
{
verbose_name
}
: [Code:
{
operation
.
error_code
}
]:
{
operation
.
error_message
}
"
,
file
=
sys
.
stderr
,
flush
=
True
,
)
print
(
f
"Operation ID:
{
operation
.
name
}
"
,
file
=
sys
.
stderr
,
flush
=
True
)
raise
operation
.
exception
()
or
RuntimeError
(
operation
.
error_message
)
if
operation
.
warnings
:
print
(
f
"Warnings during
{
verbose_name
}
:
\n
"
,
file
=
sys
.
stderr
,
flush
=
True
)
for
warning
in
operation
.
warnings
:
print
(
f
" -
{
warning
.
code
}
:
{
warning
.
message
}
"
,
file
=
sys
.
stderr
,
flush
=
True
)
return
result
def
resize_disk
(
project_id
:
str
,
disk_link
:
str
,
new_size_gb
:
int
)
-
> None
:
"""
Resizes a persistent disk to a specified size in GB. After you resize the disk, you must
also resize the file system so that the operating system can access the additional space.
Args:
project_id: project ID or project number of the Cloud project you want to use.
disk_link: a link to the disk you want to resize.
This value uses the following format:
* https://www.googleapis.com/compute/v1/projects/{project_name}/zones/{zone}/disks/{disk_name}
* projects/{project_name}/zones/{zone}/disks/{disk_name}
* projects/{project_name}/regions/{region}/disks/{disk_name}
new_size_gb: the new size you want to set for the disk in gigabytes.
"""
search_results
=
re
.
search
(
r
"/projects/[\w_-]+/(?P<area_type>zones|regions)/"
r
"(?P<area_name>[\w_-]+)/disks/(?P<disk_name>[\w_-]+)"
,
disk_link
,
)
if
search_results
[
"area_type"
]
==
"regions"
:
disk_client
=
compute_v1
.
RegionDisksClient
()
request
=
compute_v1
.
ResizeRegionDiskRequest
()
request
.
region
=
search_results
[
"area_name"
]
request
.
region_disks_resize_request_resource
=
(
compute_v1
.
RegionDisksResizeRequest
()
)
request
.
region_disks_resize_request_resource
.
size_gb
=
new_size_gb
else
:
disk_client
=
compute_v1
.
DisksClient
()
request
=
compute_v1
.
ResizeDiskRequest
()
request
.
zone
=
search_results
[
"area_name"
]
request
.
disks_resize_request_resource
=
compute_v1
.
DisksResizeRequest
()
request
.
disks_resize_request_resource
.
size_gb
=
new_size_gb
request
.
disk
=
search_results
[
"disk_name"
]
request
.
project
=
project_id
operation
=
disk_client
.
resize
(
request
)
wait_for_extended_operation
(
operation
,
"disk resize"
)
What's next
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