add x-forwarded-for example

examples/x-forwarded-for.py

@@ -0,0 +1,23 @@
+from locust import HttpUser, run_single_user, task
+
+import random
+
+
+class ForwardedForUser(HttpUser):
+    subnet = "10.10."
+
+    def __init__(self, environment):
+        super().__init__(environment)
+        self.fake_ip = self.subnet + str(random.randint(0, 254)) + "." + str(random.randint(0, 254))
+        self.client.headers["X-Forwarded-For"] = self.fake_ip
+
+
+class WebsiteUser(ForwardedForUser):
+    @task
+    def index(self):
+        with self.client.get("/", catch_response=True) as resp:
+            pass
+
+
+if __name__ == "__main__":
+    run_single_user(WebsiteUser)