From 38583fea32ec48feb49eb000a1630fde6d0489ee Mon Sep 17 00:00:00 2001
From: Kamil Smigielski <kamil.smigielski@allegro.pl>
Date: Tue, 12 Nov 2024 12:34:06 +0100
Subject: [PATCH] add prefix rewrite

---
 .../servicemesh/envoycontrol/snapshot/SnapshotProperties.kt  | 1 +
 .../snapshot/resource/routes/CustomRoutesFactory.kt          | 5 +++++
 2 files changed, 6 insertions(+)

diff --git a/envoy-control-core/src/main/kotlin/pl/allegro/tech/servicemesh/envoycontrol/snapshot/SnapshotProperties.kt b/envoy-control-core/src/main/kotlin/pl/allegro/tech/servicemesh/envoycontrol/snapshot/SnapshotProperties.kt
index d36feb317..d94f3305f 100644
--- a/envoy-control-core/src/main/kotlin/pl/allegro/tech/servicemesh/envoycontrol/snapshot/SnapshotProperties.kt
+++ b/envoy-control-core/src/main/kotlin/pl/allegro/tech/servicemesh/envoycontrol/snapshot/SnapshotProperties.kt
@@ -264,6 +264,7 @@ class AuthorizationProperties {
 class CustomRuteProperties {
     var enabled = false
     var cluster = "custom"
+    var prefixRewrite = ""
     var path = StringMatcher()
 }
 
diff --git a/envoy-control-core/src/main/kotlin/pl/allegro/tech/servicemesh/envoycontrol/snapshot/resource/routes/CustomRoutesFactory.kt b/envoy-control-core/src/main/kotlin/pl/allegro/tech/servicemesh/envoycontrol/snapshot/resource/routes/CustomRoutesFactory.kt
index bf4bcf7f5..6858cfced 100644
--- a/envoy-control-core/src/main/kotlin/pl/allegro/tech/servicemesh/envoycontrol/snapshot/resource/routes/CustomRoutesFactory.kt
+++ b/envoy-control-core/src/main/kotlin/pl/allegro/tech/servicemesh/envoycontrol/snapshot/resource/routes/CustomRoutesFactory.kt
@@ -25,6 +25,11 @@ class CustomRoutesFactory(properties: RoutesProperties) {
             .setName(it.cluster)
             .setRoute(RouteAction.newBuilder()
                 .setCluster(it.cluster)
+                .also { route ->
+                    if (it.prefixRewrite != "") {
+                        route.setPrefixRewrite(it.prefixRewrite)
+                    }
+                }
             )
             .setMatch(matcher)
             .build()