// newGCECloud creates a new instance of GCECloud.
func newGCECloud(config io.Reader) (*GCECloud, error) {
projectID, zone, err := getProjectAndZone()
if err != nil {
return nil, err
}
// TODO: if we want to use this on a machine that doesn't have the http://metadata server
// e.g. on a user's machine (not VM) somewhere, we need to have an alternative for
// instance id lookup.
instanceID, err := getInstanceID()
if err != nil {
return nil, err
}
externalID, err := getCurrentExternalID()
if err != nil {
return nil, err
}
networkName, err := getNetworkName()
if err != nil {
return nil, err
}
tokenSource := google.ComputeTokenSource("")
if config != nil {
var cfg Config
if err := gcfg.ReadInto(&cfg, config); err != nil {
glog.Errorf("Couldn't read config: %v", err)
return nil, err
}
if cfg.Global.ProjectID != "" {
projectID = cfg.Global.ProjectID
}
if cfg.Global.NetworkName != "" {
networkName = cfg.Global.NetworkName
}
if cfg.Global.TokenURL != "" {
tokenSource = newAltTokenSource(cfg.Global.TokenURL)
}
}
client := oauth2.NewClient(oauth2.NoContext, tokenSource)
svc, err := compute.New(client)
if err != nil {
return nil, err
}
containerSvc, err := container.New(client)
if err != nil {
return nil, err
}
return &GCECloud{
service: svc,
containerService: containerSvc,
projectID: projectID,
zone: zone,
instanceID: instanceID,
externalID: externalID,
networkName: networkName,
metadataAccess: getMetadata,
}, nil
}
func rawService(ctx context.Context) *raw.Service {
return internal.Service(ctx, "container", func(hc *http.Client) interface{} {
svc, _ := raw.New(hc)
return svc
}).(*raw.Service)
}