chore(client): support gRPC and gRPC web protocol

Signed-off-by: Bo-Yi Wu <appleboy.tw@gmail.com>

client/http.go

@@ -15,13 +15,19 @@ import (
 )
 
 // New returns a new runner client.
-func New(endpoint, secret string, skipverify bool) *HTTPClient {
+func New(endpoint, secret string, skipverify bool, opts ...Option) *HTTPClient {
 	client := &HTTPClient{
 		Endpoint:   endpoint,
 		Secret:     secret,
 		SkipVerify: skipverify,
 	}
 
+	// Loop through each option
+	for _, opt := range opts {
+		// Call the option giving the instantiated
+		opt.Apply(client)
+	}
+
 	client.Client = &http.Client{
 		Timeout: 5 * time.Second,
 		CheckRedirect: func(*http.Request, []*http.Request) error {
@@ -57,6 +63,8 @@ type HTTPClient struct {
 	Endpoint   string
 	Secret     string
 	SkipVerify bool
+
+	opts []connect.ClientOption
 }
 
 // Ping sends a ping message to the server to test connectivity.
@@ -64,6 +72,7 @@ func (p *HTTPClient) Ping(ctx context.Context, machine string) error {
 	client := v1connect.NewPingServiceClient(
 		p.Client,
 		p.Endpoint,
+		p.opts...,
 	)
 	req := connect.NewRequest(&v1.PingRequest{
 		Data: machine,

client/options.go

@@ -0,0 +1,36 @@
+package client
+
+import "github.com/bufbuild/connect-go"
+
+// An Option configures a mutex.
+type Option interface {
+	Apply(*HTTPClient)
+}
+
+// OptionFunc is a function that configure a value.
+type OptionFunc func(*HTTPClient)
+
+// Apply calls f(option)
+func (f OptionFunc) Apply(cli *HTTPClient) {
+	f(cli)
+}
+
+// WithGRPC configures clients to use the HTTP/2 gRPC protocol.
+func WithGRPC(c bool) Option {
+	return OptionFunc(func(cli *HTTPClient) {
+		if !c {
+			return
+		}
+		cli.opts = append(cli.opts, connect.WithGRPC())
+	})
+}
+
+// WithGRPCWeb configures clients to use the gRPC-Web protocol.
+func WithGRPCWeb(c bool) Option {
+	return OptionFunc(func(cli *HTTPClient) {
+		if !c {
+			return
+		}
+		cli.opts = append(cli.opts, connect.WithGRPCWeb())
+	})
+}