Esempio n. 1
0
func newAPI() (*gceAPI, error) {
	client, err := serviceaccount.NewClient(&serviceaccount.Options{})
	if err != nil {
		return nil, fmt.Errorf("error creating client: %v", err)
	}

	cs, err := compute.New(client)
	if err != nil {
		return nil, fmt.Errorf("error creating compute service: %v", err)
	}

	networkName, err := networkFromMetadata()
	if err != nil {
		return nil, fmt.Errorf("error getting network metadata: %v", err)
	}

	prj, err := projectFromMetadata()
	if err != nil {
		return nil, fmt.Errorf("error getting project: %v", err)
	}

	instanceName, err := instanceNameFromMetadata()
	if err != nil {
		return nil, fmt.Errorf("error getting instance name: %v", err)
	}

	instanceZone, err := instanceZoneFromMetadata()
	if err != nil {
		return nil, fmt.Errorf("error getting instance zone: %v", err)
	}

	gn, err := cs.Networks.Get(prj, networkName).Do()
	if err != nil {
		return nil, fmt.Errorf("error getting network from compute service: %v", err)
	}

	gi, err := cs.Instances.Get(prj, instanceZone, instanceName).Do()
	if err != nil {
		return nil, fmt.Errorf("error getting instance from compute service: %v", err)
	}

	return &gceAPI{
		project:        prj,
		computeService: cs,
		gceNetwork:     gn,
		gceInstance:    gi,
	}, nil
}
Esempio n. 2
0
func (g *GCEBackend) RegisterNetwork(ctx context.Context, network string, config *subnet.Config) (*backend.SubnetDef, error) {
	attrs := subnet.LeaseAttrs{
		PublicIP: g.publicIP,
	}

	l, err := g.sm.AcquireLease(ctx, network, &attrs)
	switch err {
	case nil:
		g.lease = l

	case context.Canceled, context.DeadlineExceeded:
		return nil, err

	default:
		return nil, fmt.Errorf("failed to acquire lease: %v", err)
	}

	client, err := serviceaccount.NewClient(&serviceaccount.Options{})
	if err != nil {
		return nil, fmt.Errorf("error creating client: %v", err)
	}

	g.computeService, err = compute.New(client)
	if err != nil {
		return nil, fmt.Errorf("error creating compute service: %v", err)
	}

	networkName, err := networkFromMetadata()
	if err != nil {
		return nil, fmt.Errorf("error getting network metadata: %v", err)
	}

	g.project, err = projectFromMetadata()
	if err != nil {
		return nil, fmt.Errorf("error getting project: %v", err)
	}

	instanceName, err := instanceNameFromMetadata()
	if err != nil {
		return nil, fmt.Errorf("error getting instance name: %v", err)
	}

	instanceZone, err := instanceZoneFromMetadata()
	if err != nil {
		return nil, fmt.Errorf("error getting instance zone: %v", err)
	}

	g.gceNetwork, err = g.computeService.Networks.Get(g.project, networkName).Do()
	if err != nil {
		return nil, fmt.Errorf("error getting network from compute service: %v", err)
	}

	g.gceInstance, err = g.computeService.Instances.Get(g.project, instanceZone, instanceName).Do()
	if err != nil {
		return nil, fmt.Errorf("error getting instance from compute service: %v", err)
	}

	found, err := g.handleMatchingRoute(l.Subnet.String())
	if err != nil {
		return nil, fmt.Errorf("error handling matching route: %v", err)
	}

	if !found {
		operation, err := g.insertRoute(l.Subnet.String())
		if err != nil {
			return nil, fmt.Errorf("error inserting route: %v", err)
		}

		err = g.pollOperationStatus(operation.Name)
		if err != nil {
			return nil, fmt.Errorf("insert operaiton failed: ", err)
		}
	}

	return &backend.SubnetDef{
		Lease: l,
		MTU:   g.mtu,
	}, nil
}