forked from TrueCloudLab/distribution
93 lines
2.4 KiB
Go
93 lines
2.4 KiB
Go
package main
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import (
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"fmt"
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"log"
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"net/http"
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"os"
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"strings"
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compute "google.golang.org/api/compute/v1"
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"google.golang.org/api/googleapi"
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)
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func init() {
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scopes := strings.Join([]string{
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compute.DevstorageFullControlScope,
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compute.ComputeScope,
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}, " ")
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registerDemo("compute", scopes, computeMain)
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}
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func computeMain(client *http.Client, argv []string) {
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if len(argv) != 2 {
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fmt.Fprintln(os.Stderr, "Usage: compute project_id instance_name (to start an instance)")
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return
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}
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service, err := compute.New(client)
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if err != nil {
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log.Fatalf("Unable to create Compute service: %v", err)
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}
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projectId := argv[0]
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instanceName := argv[1]
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prefix := "https://www.googleapis.com/compute/v1/projects/" + projectId
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imageURL := "https://www.googleapis.com/compute/v1/projects/debian-cloud/global/images/debian-7-wheezy-v20140606"
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zone := "us-central1-a"
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// Show the current images that are available.
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res, err := service.Images.List(projectId).Do()
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log.Printf("Got compute.Images.List, err: %#v, %v", res, err)
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instance := &compute.Instance{
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Name: instanceName,
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Description: "compute sample instance",
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MachineType: prefix + "/zones/" + zone + "/machineTypes/n1-standard-1",
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Disks: []*compute.AttachedDisk{
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{
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AutoDelete: true,
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Boot: true,
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Type: "PERSISTENT",
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InitializeParams: &compute.AttachedDiskInitializeParams{
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DiskName: "my-root-pd",
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SourceImage: imageURL,
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},
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},
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},
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NetworkInterfaces: []*compute.NetworkInterface{
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&compute.NetworkInterface{
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AccessConfigs: []*compute.AccessConfig{
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&compute.AccessConfig{
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Type: "ONE_TO_ONE_NAT",
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Name: "External NAT",
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},
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},
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Network: prefix + "/global/networks/default",
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},
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},
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ServiceAccounts: []*compute.ServiceAccount{
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{
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Email: "default",
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Scopes: []string{
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compute.DevstorageFullControlScope,
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compute.ComputeScope,
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},
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},
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},
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}
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op, err := service.Instances.Insert(projectId, zone, instance).Do()
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log.Printf("Got compute.Operation, err: %#v, %v", op, err)
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etag := op.Header.Get("Etag")
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log.Printf("Etag=%v", etag)
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inst, err := service.Instances.Get(projectId, zone, instanceName).IfNoneMatch(etag).Do()
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log.Printf("Got compute.Instance, err: %#v, %v", inst, err)
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if googleapi.IsNotModified(err) {
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log.Printf("Instance not modified since insert.")
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} else {
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log.Printf("Instance modified since insert.")
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}
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}
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