add header for http healthcheck

client/health/health.go

@@ -40,8 +40,8 @@ type Monitor struct {
 	addr string
 
 	// For http
-	url string
-
+	url            string
+	header         http.Header
 	failedTimes    uint64
 	statusOK       bool
 	statusNormalFn func()
@@ -73,6 +73,11 @@ func NewMonitor(ctx context.Context, cfg v1.HealthCheckConfig, addr string,
 		}
 		url = s + cfg.Path
 	}
+	header := make(http.Header)
+	for k, v := range cfg.Headers.Set {
+		header.Set(k, v)
+	}
+
 	return &Monitor{
 		checkType:      cfg.Type,
 		interval:       time.Duration(cfg.IntervalSeconds) * time.Second,
@@ -80,6 +85,7 @@ func NewMonitor(ctx context.Context, cfg v1.HealthCheckConfig, addr string,
 		maxFailedTimes: cfg.MaxFailed,
 		addr:           addr,
 		url:            url,
+		header:         header,
 		statusOK:       false,
 		statusNormalFn: statusNormalFn,
 		statusFailedFn: statusFailedFn,
@@ -163,6 +169,11 @@ func (monitor *Monitor) doHTTPCheck(ctx context.Context) error {
 	if err != nil {
 		return err
 	}
+	req.Header = monitor.header
+	for k, v := range req.Header {
+		fmt.Println(k, v)
+
+	}
 	resp, err := http.DefaultClient.Do(req)
 	if err != nil {
 		return err

conf/frpc_full_example.toml

@@ -216,7 +216,8 @@ healthCheck.path = "/status"
 healthCheck.intervalSeconds = 10
 healthCheck.maxFailed = 3
 healthCheck.timeoutSeconds = 3
-
+# set health check headers
+healthCheck.headers.set.Host= = "example.com"
 [[proxies]]
 name = "web02"
 type = "https"

pkg/config/v1/proxy.go

@@ -97,6 +97,9 @@ type HealthCheckConfig struct {
 	// Path specifies the path to send health checks to if the
 	// health check type is "http".
 	Path string `json:"path,omitempty"`
+	// Headers specifies the headers to send health checks to if the
+	// health check type is "http".
+	Headers HeaderOperations `json:"headers,omitempty"`
 }
 
 type DomainConfig struct {