func NewDriverGCE(ui packer.Ui, p string, a *accountFile) (Driver, error) {
var err error
var client *http.Client
// 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))
conf := jwt.Config{
Email: a.ClientEmail,
PrivateKey: []byte(a.PrivateKey),
Scopes: DriverScopes,
TokenURL: "https://accounts.google.com/o/oauth2/token",
}
// Initiate an http.Client. The following GET request will be
// authorized and authenticated on the behalf of
// your service account.
client = conf.Client(oauth2.NoContext)
} else {
log.Printf("[INFO] Requesting Google token via GCE Service Role...")
client = &http.Client{
Transport: &oauth2.Transport{
// Fetch from Google Compute Engine's metadata server to retrieve
// an access token for the provided account.
// If no account is specified, "default" is used.
Source: google.ComputeTokenSource(""),
},
}
}
if err != nil {
return nil, err
}
log.Printf("[INFO] Instantiating GCE client...")
service, err := compute.New(client)
// Set UserAgent
versionString := version.FormattedVersion()
service.UserAgent = fmt.Sprintf(
"(%s %s) Packer/%s", runtime.GOOS, runtime.GOARCH, versionString)
if err != nil {
return nil, err
}
return &driverGCE{
projectId: p,
service: service,
ui: ui,
}, nil
}
func NewDriverGCE(ui packer.Ui, p string, a *AccountFile) (Driver, error) {
var err error
var client *http.Client
// 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))
conf := jwt.Config{
Email: a.ClientEmail,
PrivateKey: []byte(a.PrivateKey),
Scopes: DriverScopes,
TokenURL: "https://accounts.google.com/o/oauth2/token",
}
// Initiate an http.Client. The following GET request will be
// authorized and authenticated on the behalf of
// your service account.
client = conf.Client(oauth2.NoContext)
} else {
log.Printf("[INFO] Requesting Google token via GCE API Default Client Token Source...")
client, err = google.DefaultClient(oauth2.NoContext, DriverScopes...)
// The DefaultClient uses the DefaultTokenSource of the google lib.
// The DefaultTokenSource uses the "Application Default Credentials"
// It looks for credentials in the following places, preferring the first location found:
// 1. A JSON file whose path is specified by the
// GOOGLE_APPLICATION_CREDENTIALS environment variable.
// 2. A JSON file in a location known to the gcloud command-line tool.
// On Windows, this is %APPDATA%/gcloud/application_default_credentials.json.
// On other systems, $HOME/.config/gcloud/application_default_credentials.json.
// 3. On Google App Engine it uses the appengine.AccessToken function.
// 4. On Google Compute Engine and Google App Engine Managed VMs, it fetches
// credentials from the metadata server.
// (In this final case any provided scopes are ignored.)
}
if err != nil {
return nil, err
}
log.Printf("[INFO] Instantiating GCE client...")
service, err := compute.New(client)
// Set UserAgent
versionString := version.FormattedVersion()
service.UserAgent = fmt.Sprintf(
"(%s %s) Packer/%s", runtime.GOOS, runtime.GOARCH, versionString)
if err != nil {
return nil, err
}
return &driverGCE{
projectId: p,
service: service,
ui: ui,
}, nil
}
"github.com/Azure/azure-sdk-for-go/arm/resources/subscriptions"
"github.com/Azure/go-autorest/autorest"
"github.com/Azure/go-autorest/autorest/azure"
"github.com/Azure/go-autorest/autorest/to"
"github.com/mitchellh/go-homedir"
"github.com/mitchellh/packer/version"
)
var (
// AD app id for packer-azure driver.
clientIDs = map[string]string{
azure.PublicCloud.Name: "04cc58ec-51ab-4833-ac0d-ce3a7912414b",
}
userAgent = fmt.Sprintf("packer/%s", version.FormattedVersion())
)
// NOTE(ahmetalpbalkan): Azure Active Directory implements OAuth 2.0 Device Flow
// described here: https://tools.ietf.org/html/draft-denniss-oauth-device-flow-00
// Although it has some gotchas, most of the authentication logic is in Azure SDK
// for Go helper packages.
//
// Device auth prints a message to the screen telling the user to click on URL
// and approve the app on the browser, meanwhile the client polls the auth API
// for a token. Once we have token, we save it locally to a file with proper
// permissions and when the token expires (in Azure case typically 1 hour) SDK
// will automatically refresh the specified token and will call the refresh
// callback function we implement here. This way we will always be storing a
// token with a refresh_token saved on the machine.
// wrappedMain is called only when we're wrapped by panicwrap and
// returns the exit status to exit with.
func wrappedMain() int {
// If there is no explicit number of Go threads to use, then set it
if os.Getenv("GOMAXPROCS") == "" {
runtime.GOMAXPROCS(runtime.NumCPU())
}
log.SetOutput(os.Stderr)
log.Printf("[INFO] Packer version: %s", version.FormattedVersion())
log.Printf("Packer Target OS/Arch: %s %s", runtime.GOOS, runtime.GOARCH)
log.Printf("Built with Go Version: %s", runtime.Version())
// Prepare stdin for plugin usage by switching it to a pipe
// But do not switch to pipe in plugin
if os.Getenv(plugin.MagicCookieKey) != plugin.MagicCookieValue {
setupStdin()
}
config, err := loadConfig()
if err != nil {
fmt.Fprintf(os.Stderr, "Error loading configuration: \n\n%s\n", err)
return 1
}
log.Printf("Packer config: %+v", config)
// Fire off the checkpoint.
go runCheckpoint(config)
cacheDir := os.Getenv("PACKER_CACHE_DIR")
if cacheDir == "" {
cacheDir = "packer_cache"
}
cacheDir, err = filepath.Abs(cacheDir)
if err != nil {
fmt.Fprintf(os.Stderr, "Error preparing cache directory: \n\n%s\n", err)
return 1
}
log.Printf("Setting cache directory: %s", cacheDir)
cache := &packer.FileCache{CacheDir: cacheDir}
// Determine if we're in machine-readable mode by mucking around with
// the arguments...
args, machineReadable := extractMachineReadable(os.Args[1:])
defer plugin.CleanupClients()
// Setup the UI if we're being machine-readable
var ui packer.Ui = &packer.BasicUi{
Reader: os.Stdin,
Writer: os.Stdout,
ErrorWriter: os.Stdout,
}
if machineReadable {
ui = &packer.MachineReadableUi{
Writer: os.Stdout,
}
// Set this so that we don't get colored output in our machine-
// readable UI.
if err := os.Setenv("PACKER_NO_COLOR", "1"); err != nil {
fmt.Fprintf(os.Stderr, "Packer failed to initialize UI: %s\n", err)
return 1
}
}
// Create the CLI meta
CommandMeta = &command.Meta{
CoreConfig: &packer.CoreConfig{
Components: packer.ComponentFinder{
Builder: config.LoadBuilder,
Hook: config.LoadHook,
PostProcessor: config.LoadPostProcessor,
Provisioner: config.LoadProvisioner,
},
Version: version.Version,
},
Cache: cache,
Ui: ui,
}
//setupSignalHandlers(env)
cli := &cli.CLI{
Args: args,
Commands: Commands,
HelpFunc: excludeHelpFunc(Commands, []string{"plugin"}),
HelpWriter: os.Stdout,
Version: version.Version,
}
exitCode, err := cli.Run()
if err != nil {
fmt.Fprintf(os.Stderr, "Error executing CLI: %s\n", err)
return 1
}
return exitCode
}
