reverseproxy: allow user to define source address (#6504)

* reverseproxy: allow user to define source address

Closes #6503

Signed-off-by: Mohammed Al Sahaf <[email protected]>

* reverse_proxy: caddyfile support for local_address

Signed-off-by: Mohammed Al Sahaf <[email protected]>

---------

Signed-off-by: Mohammed Al Sahaf <[email protected]>

1 files changed, 57 insertions, 0 deletions

diff --git a/caddytest/integration/caddyfile_adapt/reverse_proxy_localaddr.caddyfiletest b/caddytest/integration/caddyfile_adapt/reverse_proxy_localaddr.caddyfiletest
new file mode 100644
index 000000000..d734c9ce0
--- /dev/null
+++ b/caddytest/integration/caddyfile_adapt/reverse_proxy_localaddr.caddyfiletest
@@ -0,0 +1,57 @@
+https://example.com {
+	reverse_proxy http://localhost:54321 {
+		transport http {
+			local_address 192.168.0.1
+		}
+	}
+}
+
+----------
+{
+	"apps": {
+		"http": {
+			"servers": {
+				"srv0": {
+					"listen": [
+						":443"
+					],
+					"routes": [
+						{
+							"match": [
+								{
+									"host": [
+										"example.com"
+									]
+								}
+							],
+							"handle": [
+								{
+									"handler": "subroute",
+									"routes": [
+										{
+											"handle": [
+												{
+													"handler": "reverse_proxy",
+													"transport": {
+														"local_address": "192.168.0.1",
+														"protocol": "http"
+													},
+													"upstreams": [
+														{
+															"dial": "localhost:54321"
+														}
+													]
+												}
+											]
+										}
+									]
+								}
+							],
+							"terminal": true
+						}
+					]
+				}
+			}
+		}
+	}
+}