func NewDriverGCE(ui packer.Ui, p string, a *accountFile) (Driver, error) {
var f *oauth2.Options
var err error
// Auth with AccountFile first if provided
if a.PrivateKey != "" {
log.Printf("[INFO] Requesting Google token via AccountFile...")
log.Printf("[INFO] -- Email: %s", a.ClientEmail)
log.Printf("[INFO] -- Scopes: %s", DriverScopes)
log.Printf("[INFO] -- Private Key Length: %d", len(a.PrivateKey))
f, err = oauth2.New(
oauth2.JWTClient(a.ClientEmail, []byte(a.PrivateKey)),
oauth2.Scope(DriverScopes...),
google.JWTEndpoint())
} else {
log.Printf("[INFO] Requesting Google token via GCE Service Role...")
f, err = oauth2.New(google.ComputeEngineAccount(""))
}
if err != nil {
return nil, err
}
log.Printf("[INFO] Instantiating GCE client using...")
service, err := compute.New(&http.Client{Transport: f.NewTransport()})
if err != nil {
return nil, err
}
return &driverGCE{
projectId: p,
service: service,
ui: ui,
}, nil
}
func main() {
// Your credentials should be obtained from the Google
// Developer Console (https://console.developers.google.com).
opts, err := oauth2.New(
oauth2.Client("1044380210135-h5v0ntqle19au35ief58g885tcj0k2rp.apps.googleusercontent.com", "3vKWghltQMsu_j0-nY89MeQo"),
oauth2.RedirectURL("http://localhost:8080/"),
oauth2.Scope(
"https://www.googleapis.com/auth/userinfo.email",
),
google.Endpoint(),
)
if err != nil {
fmt.Println("1")
log.Fatal(err)
}
// Redirect user to Google's consent page to ask for permission
// for the scopes specified above.
url := opts.AuthCodeURL("state", "offline", "auto")
fmt.Printf("Visit the URL for the auth dialog: %v", url)
// Handle the exchange code to initiate a transport
t, err := opts.NewTransportFromCode("4/1OGztZ8nIFUXO8ztNnCrIbjSR0Hw_JhAg2FGfIlsDqc.0rXU__1evQAaJvIeHux6iLZ3dusjlAI")
if err != nil {
fmt.Println("2")
log.Fatal(err)
}
fmt.Println(t.Token())
client := http.Client{Transport: t}
result, err := client.Get("https://www.googleapis.com/plus/v1/people/me")
if err != nil {
fmt.Println("3")
log.Fatal(err)
} else {
io.Copy(os.Stdout, result.Body)
}
}