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- // 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.")
- }
- }
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