func (c *nodeCAClient) IssueNodeCertificate(ctx context.Context, in *IssueNodeCertificateRequest, opts ...grpc.CallOption) (*IssueNodeCertificateResponse, error) {
    out := new(IssueNodeCertificateResponse)
    err := c.cc.Invoke(ctx, "/docker.swarmkit.v1.NodeCA/IssueNodeCertificate", in, out, opts...)
    if err != nil {
        return nil, err