TUN-3543: ProxyAddress not using default in single-origin mode

ingress/origin_request_config.go

@@ -49,7 +49,7 @@ func originRequestFromSingeRule(c *cli.Context) OriginRequestConfig {
 	var noTLSVerify bool
 	var disableChunkedEncoding bool
 	var bastionMode bool
-	var proxyAddress string
+	var proxyAddress = defaultProxyAddress
 	var proxyPort uint
 	var proxyType string
 	if flag := ProxyConnectTimeoutFlag; c.IsSet(flag) {

ingress/origin_request_config_test.go

@@ -1,11 +1,13 @@
 package ingress
 
 import (
+	"flag"
 	"testing"
 	"time"
 
 	"github.com/cloudflare/cloudflared/cmd/cloudflared/config"
 	"github.com/stretchr/testify/require"
+	"github.com/urfave/cli/v2"
 	"gopkg.in/yaml.v2"
 )
 
@@ -182,3 +184,19 @@ ingress:
 	}
 	require.Equal(t, expected1, actual1)
 }
+
+func TestDefaultConfigFromCLI(t *testing.T) {
+	set := flag.NewFlagSet("contrive", 0)
+	c := cli.NewContext(nil, set, nil)
+
+	expected := OriginRequestConfig{
+		ConnectTimeout:       defaultConnectTimeout,
+		TLSTimeout:           defaultTLSTimeout,
+		TCPKeepAlive:         defaultTCPKeepAlive,
+		KeepAliveConnections: defaultKeepAliveConnections,
+		KeepAliveTimeout:     defaultKeepAliveTimeout,
+		ProxyAddress:         defaultProxyAddress,
+	}
+	actual := originRequestFromSingeRule(c)
+	require.Equal(t, expected, actual)
+}