| // Copyright 2017 Google LLC |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| package main |
| |
| import ( |
| "fmt" |
| "log" |
| "net/http" |
| "os" |
| "strings" |
| |
| compute "google.golang.org/api/compute/v1" |
| "google.golang.org/api/googleapi" |
| ) |
| |
| func init() { |
| scopes := strings.Join([]string{ |
| compute.DevstorageFullControlScope, |
| compute.ComputeScope, |
| }, " ") |
| registerDemo("compute", scopes, computeMain) |
| } |
| |
| func computeMain(client *http.Client, argv []string) { |
| if len(argv) != 2 { |
| fmt.Fprintln(os.Stderr, "Usage: compute project_id instance_name (to start an instance)") |
| return |
| } |
| |
| service, err := compute.New(client) |
| if err != nil { |
| log.Fatalf("Unable to create Compute service: %v", err) |
| } |
| |
| projectID := argv[0] |
| instanceName := argv[1] |
| |
| prefix := "https://www.googleapis.com/compute/v1/projects/" + projectID |
| imageURL := "https://www.googleapis.com/compute/v1/projects/debian-cloud/global/images/debian-7-wheezy-v20140606" |
| zone := "us-central1-a" |
| |
| // Show the current images that are available. |
| res, err := service.Images.List(projectID).Do() |
| log.Printf("Got compute.Images.List, err: %#v, %v", res, err) |
| |
| instance := &compute.Instance{ |
| Name: instanceName, |
| Description: "compute sample instance", |
| MachineType: prefix + "/zones/" + zone + "/machineTypes/n1-standard-1", |
| Disks: []*compute.AttachedDisk{ |
| { |
| AutoDelete: true, |
| Boot: true, |
| Type: "PERSISTENT", |
| InitializeParams: &compute.AttachedDiskInitializeParams{ |
| DiskName: "my-root-pd", |
| SourceImage: imageURL, |
| }, |
| }, |
| }, |
| NetworkInterfaces: []*compute.NetworkInterface{ |
| { |
| AccessConfigs: []*compute.AccessConfig{ |
| { |
| Type: "ONE_TO_ONE_NAT", |
| Name: "External NAT", |
| }, |
| }, |
| Network: prefix + "/global/networks/default", |
| }, |
| }, |
| ServiceAccounts: []*compute.ServiceAccount{ |
| { |
| Email: "default", |
| Scopes: []string{ |
| compute.DevstorageFullControlScope, |
| compute.ComputeScope, |
| }, |
| }, |
| }, |
| } |
| |
| op, err := service.Instances.Insert(projectID, zone, instance).Do() |
| log.Printf("Got compute.Operation, err: %#v, %v", op, err) |
| etag := op.Header.Get("Etag") |
| log.Printf("Etag=%v", etag) |
| |
| inst, err := service.Instances.Get(projectID, zone, instanceName).IfNoneMatch(etag).Do() |
| log.Printf("Got compute.Instance, err: %#v, %v", inst, err) |
| if googleapi.IsNotModified(err) { |
| log.Printf("Instance not modified since insert.") |
| } else { |
| log.Printf("Instance modified since insert.") |
| } |
| } |