chore: support configurable Go module proxy

scripts/verifyHTTP2.py

@@ -11,6 +11,7 @@ import sys
 def main() -> None:
     parser = argparse.ArgumentParser(description=__doc__)
     parser.add_argument("--image", default="golang:1.25")
+    parser.add_argument("--goproxy", default="", help="optional Go module proxy passed to the container")
     parser.add_argument("--duration", default="30m")
     parser.add_argument("--timeout", default="35m", help="go test timeout (default: 35m)")
     parser.add_argument("--gomaxprocs", type=int, default=2)
@@ -27,6 +28,10 @@ def main() -> None:
         "-v", f"{root}:/workspace", "-w", "/workspace",
         "-e", "GOWORK=off", "-e", f"GOMAXPROCS={args.gomaxprocs}",
         "-e", f"GO_OMNI_HTTP2_SOAK_DURATION={args.duration}",
+    ]
+    if args.goproxy:
+        command += ["-e", f"GOPROXY={args.goproxy}"]
+    command += [
         args.image, "go", "test", "-race", "-timeout", args.timeout, "./transport/http2",
         "-run", "^TestTLSSoak$", "-count=1",
     ]

scripts/verifyLinux.py

@@ -24,6 +24,7 @@ def workspace_output(root: Path, value: str) -> tuple[Path, str]:
 def main() -> None:
     parser = argparse.ArgumentParser(description=__doc__)
     parser.add_argument("--image", default="golang:1.25", help="Docker image (default: golang:1.25)")
+    parser.add_argument("--goproxy", default="", help="optional Go module proxy passed to the container")
     parser.add_argument("--gomaxprocs", type=int, default=4)
     parser.add_argument("--load", action="store_true", help="also run the isolated server matrix")
     parser.add_argument("--tls", action="store_true", help="run the load matrix over TLS")
@@ -70,8 +71,10 @@ def main() -> None:
         "-w", "/workspace",
         "-e", "GOWORK=off",
         "-e", f"GOMAXPROCS={args.gomaxprocs}",
-        args.image, "sh", "-c", command,
     ]
+    if args.goproxy:
+        docker_args += ["-e", f"GOPROXY={args.goproxy}"]
+    docker_args += [args.image, "sh", "-c", command]
     print(f"Linux verification image: {args.image}", flush=True)
     print(f"Linux verification command: {command}", flush=True)
     result = subprocess.run(docker_args, cwd=root)

scripts/verifyProxy.py

@@ -184,6 +184,7 @@ def main() -> None:
     parser = argparse.ArgumentParser(description=__doc__)
     parser.add_argument("--image", default="golang:1.25")
     parser.add_argument("--nginx-image", default="nginx:1.27-alpine")
+    parser.add_argument("--goproxy", default="", help="optional Go module proxy passed to the backend container")
     args = parser.parse_args()
     if shutil.which("docker") is None:
         raise SystemExit("docker is required for proxy verification")
@@ -203,13 +204,16 @@ def main() -> None:
         directory = Path(temporary)
         edge_port = free_port()
         write_edge_certificate(directory)
+        backend_command = [
+            "docker", "run", "--rm", "-i", "--pull=missing", "--name", backend_name,
+            "--network", "host", "--cpus=1", "--memory=512m", "--pids-limit=512",
+            "-v", f"{root}:/workspace", "-w", "/workspace", "-e", "GOWORK=off",
+        ]
+        if args.goproxy:
+            backend_command += ["-e", f"GOPROXY={args.goproxy}"]
+        backend_command += [args.image, "sh", "-c", "go run ./internal/perfcheck --server native --tls"]
         backend = subprocess.Popen(
-            [
+            backend_command,
-                "docker", "run", "--rm", "-i", "--pull=missing", "--name", backend_name,
-                "--network", "host", "--cpus=1", "--memory=512m", "--pids-limit=512",
-                "-v", f"{root}:/workspace", "-w", "/workspace", "-e", "GOWORK=off",
-                args.image, "sh", "-c", "go run ./internal/perfcheck --server native --tls",
-            ],
             stdin=subprocess.PIPE,
             stdout=subprocess.PIPE,
             stderr=subprocess.PIPE,