some api changes

pkg/api/client/client.go

@@ -23,6 +23,7 @@ type Client struct {
 	endpoint    string
 	username    string
 	password    string
+	auth        bool
 	httpClient  *http.Client
 	debugWriter io.Writer
 	insecure    bool
@@ -62,6 +63,7 @@ func WithCredentials(username, password string) ClientOption {
 	return func(client *Client) {
 		client.username = username
 		client.password = password
+		client.auth = true
 	}
 }
 
@@ -77,6 +79,7 @@ var (
 
 type Config struct {
 	Endpoint string `json:"endpoint"`
+	NoAuth   bool   `json:"no_auth"`
 	User     string `json:"user"`
 	Password string `json:"password"`
 	Insecure bool   `json:"insecure"`
@@ -87,6 +90,13 @@ func ClientOptionsFromConfig(cfg Config) (options []ClientOption, err error) {
 		err = ErrMissingEndpoint
 		return
 	}
+	options = []ClientOption{
+		WithEndpoint(cfg.Endpoint),
+		WithInsecureClient(cfg.Insecure),
+	}
+	if cfg.NoAuth {
+		return
+	}
 	if cfg.User == "" {
 		err = ErrMissingUser
 		return
@@ -95,11 +105,7 @@ func ClientOptionsFromConfig(cfg Config) (options []ClientOption, err error) {
 		err = ErrMissingPassword
 		return
 	}
-	options = []ClientOption{
-		WithEndpoint(cfg.Endpoint),
-		WithCredentials(cfg.User, cfg.Password),
-		WithInsecureClient(cfg.Insecure),
-	}
+	options = append(options, WithCredentials(cfg.User, cfg.Password))
 	return
 }
 
@@ -109,6 +115,17 @@ func ClientOptionsFromEnv() (options []ClientOption, err error) {
 		err = ErrMissingEndpointEnv
 		return
 	}
+	insecure, _ := strconv.ParseBool(os.Getenv("HAPROXY_LB_INSECURE"))
+
+	options = []ClientOption{
+		WithEndpoint(endpoint),
+		WithInsecureClient(insecure),
+	}
+	noAuth, _ := strconv.ParseBool(os.Getenv("HAPROXY_LB_NO_AUTH"))
+	if noAuth {
+		return
+	}
+
 	user := os.Getenv("HAPROXY_LB_USER")
 	if user == "" {
 		err = ErrMissingUserEnv
@@ -121,13 +138,7 @@ func ClientOptionsFromEnv() (options []ClientOption, err error) {
 		return
 	}
 
-	insecure, _ := strconv.ParseBool(os.Getenv("HAPROXY_LB_INSECURE"))
-
-	options = []ClientOption{
-		WithEndpoint(endpoint),
-		WithCredentials(user, pass),
-		WithInsecureClient(insecure),
-	}
+	options = append(options, WithCredentials(user, pass))
 	return
 }
 
@@ -163,7 +174,9 @@ func (c *Client) NewRequest(ctx context.Context, method, path string, body io.Re
 	if err != nil {
 		return nil, err
 	}
-	req.SetBasicAuth(c.username, c.password)
+	if c.auth {
+		req.SetBasicAuth(c.username, c.password)
+	}
 	req = req.WithContext(ctx)
 	return req, nil
 }