add local proxy server to simulate throttling

docker-compose.yml

@@ -1,6 +1,21 @@
 version: "3"
 services:
 
+  mockServer:
+    image: mockserver/mockserver:5.14.0
+    ports:
+      - 1080:1080
+    extra_hosts:
+      - "host.docker.internal:host-gateway"
+    environment:
+      MOCKSERVER_WATCH_INITIALIZATION_JSON: "true"
+      MOCKSERVER_PROPERTY_FILE: /config/mockserver.properties
+      MOCKSERVER_INITIALIZATION_JSON_PATH: /config/simulateBucketNotFoundDuringMultipartUpload.jsonc
+    volumes:
+      - type: bind
+        source: ./mockServer
+        target: /config
+
   ceph:
     image: ceph/daemon:v3.0.5-stable-3.0-luminous-centos-7
     environment:

mockServer/simulateBucketNotFoundDuringMultipartUpload.jsonc

@@ -0,0 +1,39 @@
+// To use this configuration make sure it is selected as MOCKSERVER_INITIALIZATION_JSON_PATH and switch rokku to go through proxy port: 1080
+// Remember to disable `updateBucketCredentials` so rokku will try to refetch bucket location before each request and to enable rokku multiple namespace feature
+[
+    {
+        // Allow first few requests to start multipart upload
+        "httpRequest": {
+            "method": "GET"
+        },
+        "httpForward": {
+            "host": "host.docker.internal",
+            "port": 8010,
+            "scheme": "HTTP"
+        },
+        "times": {
+            "remainingTimes": 4,
+            "unlimited": false
+        },
+        "priority": 20,
+    },
+    {
+        // Simulate rate limiting
+        "httpRequest": {
+            "method": "GET"
+        },
+        "httpResponse": {
+            "statusCode": 503,
+        },
+        "priority": 10,
+    },
+    {
+        // allow all other requests
+        "httpForward": {
+            "host": "host.docker.internal",
+            "port": 8010,
+            "scheme": "HTTP"
+        },
+        "priority": 0,
+    },
+]