Function UpdateMembershipState

worker/groups.go:275–289

UpdateMembershipState contacts zero for an update on membership state.

(ctx context.Context)

// UpdateMembershipState contacts zero for an update on membership state.
func UpdateMembershipState(ctx context.Context) error {
	g := groups()
	p := g.Leader(0)
	if p == nil {
		return errors.Errorf("don't have the address of any dgraph zero leader")
	}

	c := pb.NewZeroClient(p.Get())
	state, err := c.Connect(ctx, &pb.Member{ClusterInfoOnly: true})
	if err != nil {
		return err
	}
	g.applyState(g.Node.Id, state.GetState())
	return nil
}

func (g *groupi) applyState(myId uint64, state *pb.MembershipState) {
	x.AssertTrue(state != nil)