1+ /*
2+ * Copyright 2024 Google LLC
3+ *
4+ * Licensed under the Apache License, Version 2.0 (the "License");
5+ * you may not use this file except in compliance with the License.
6+ * You may obtain a copy of the License at
7+ *
8+ * http://www.apache.org/licenses/LICENSE-2.0
9+ *
10+ * Unless required by applicable law or agreed to in writing, software
11+ * distributed under the License is distributed on an "AS IS" BASIS,
12+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13+ * See the License for the specific language governing permissions and
14+ * limitations under the License.
15+ */
16+
17+ package compute .reservation ;
18+
19+ // [START compute_consume_any_matching_reservation]
20+ import static com .google .cloud .compute .v1 .ReservationAffinity .ConsumeReservationType .ANY_RESERVATION ;
21+
22+ import com .google .api .gax .longrunning .OperationFuture ;
23+ import com .google .cloud .compute .v1 .AttachedDisk ;
24+ import com .google .cloud .compute .v1 .AttachedDiskInitializeParams ;
25+ import com .google .cloud .compute .v1 .InsertInstanceRequest ;
26+ import com .google .cloud .compute .v1 .Instance ;
27+ import com .google .cloud .compute .v1 .InstancesClient ;
28+ import com .google .cloud .compute .v1 .NetworkInterface ;
29+ import com .google .cloud .compute .v1 .Operation ;
30+ import com .google .cloud .compute .v1 .ReservationAffinity ;
31+ import java .io .IOException ;
32+ import java .util .concurrent .ExecutionException ;
33+ import java .util .concurrent .TimeUnit ;
34+ import java .util .concurrent .TimeoutException ;
35+
36+ public class ConsumeAnyMatchingReservation {
37+
38+ public static void main (String [] args )
39+ throws IOException , ExecutionException , InterruptedException , TimeoutException {
40+ // TODO(developer): Replace these variables before running the sample.
41+ // Project ID or project number of the Cloud project you want to use.
42+ String projectId = "YOUR_PROJECT_ID" ;
43+ // Zone where the VM instance will be created.
44+ String zone = "us-central1-a" ;
45+ // Name of the VM instance you want to query.
46+ String instanceName = "YOUR_INSTANCE_NAME" ;
47+ // machineType: machine type of the VM being created.
48+ // * For a list of machine types, see https://cloud.google.com/compute/docs/machine-types
49+ String machineTypeName = "n1-standard-4" ;
50+ // sourceImage: path to the operating system image to mount.
51+ // * For details about images you can mount, see https://cloud.google.com/compute/docs/images
52+ String sourceImage = "projects/debian-cloud/global/images/family/debian-11" ;
53+ // diskSizeGb: storage size of the boot disk to attach to the instance.
54+ long diskSizeGb = 10L ;
55+ // networkName: network interface to associate with the instance.
56+ String networkName = "default" ;
57+ // Minimum CPU platform of the instances.
58+ String minCpuPlatform = "Intel Skylake" ;
59+
60+ createInstanceAsync (projectId , zone , instanceName , machineTypeName , sourceImage ,
61+ diskSizeGb , networkName , minCpuPlatform );
62+ }
63+
64+ // Create a virtual machine targeted with the reserveAffinity field.
65+ // In this consumption model, existing and new VMs automatically consume a reservation
66+ // if their properties match the VM properties specified in the reservation.
67+ public static Instance createInstanceAsync (String projectId , String zone ,
68+ String instanceName , String machineTypeName , String sourceImage ,
69+ long diskSizeGb , String networkName , String minCpuPlatform )
70+ throws IOException , InterruptedException , ExecutionException , TimeoutException {
71+ String machineType = String .format ("zones/%s/machineTypes/%s" , zone , machineTypeName );
72+ // Initialize client that will be used to send requests. This client only needs to be created
73+ // once, and can be reused for multiple requests.
74+ try (InstancesClient instancesClient = InstancesClient .create ()) {
75+ AttachedDisk disk =
76+ AttachedDisk .newBuilder ()
77+ .setBoot (true )
78+ .setAutoDelete (true )
79+ .setType (AttachedDisk .Type .PERSISTENT .toString ())
80+ .setDeviceName ("disk-1" )
81+ .setInitializeParams (
82+ AttachedDiskInitializeParams .newBuilder ()
83+ .setSourceImage (sourceImage )
84+ .setDiskSizeGb (diskSizeGb )
85+ .build ())
86+ .build ();
87+
88+ NetworkInterface networkInterface = NetworkInterface .newBuilder ()
89+ .setName (networkName )
90+ .build ();
91+
92+ ReservationAffinity reservationAffinity =
93+ ReservationAffinity .newBuilder ()
94+ .setConsumeReservationType (ANY_RESERVATION .toString ())
95+ .build ();
96+
97+ Instance instanceResource =
98+ Instance .newBuilder ()
99+ .setName (instanceName )
100+ .setMachineType (machineType )
101+ .addDisks (disk )
102+ .addNetworkInterfaces (networkInterface )
103+ .setMinCpuPlatform (minCpuPlatform )
104+ .setReservationAffinity (reservationAffinity )
105+ .build ();
106+
107+ InsertInstanceRequest insertInstanceRequest = InsertInstanceRequest .newBuilder ()
108+ .setProject (projectId )
109+ .setZone (zone )
110+ .setInstanceResource (instanceResource )
111+ .build ();
112+
113+ OperationFuture <Operation , Operation > operation = instancesClient .insertAsync (
114+ insertInstanceRequest );
115+
116+ Operation response = operation .get (3 , TimeUnit .MINUTES );
117+
118+ if (response .hasError ()) {
119+ return null ;
120+ }
121+ return instancesClient .get (projectId , zone , instanceName );
122+ }
123+ }
124+ }
125+ // [END compute_consume_any_matching_reservation]
0 commit comments