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-rw-r--r--test/iptables/README.md12
1 files changed, 11 insertions, 1 deletions
diff --git a/test/iptables/README.md b/test/iptables/README.md
index c2b934e1f..cc8a2fcac 100644
--- a/test/iptables/README.md
+++ b/test/iptables/README.md
@@ -2,6 +2,9 @@
iptables tests are run via `scripts/iptables_test.sh`.
+iptables requires raw socket support, so you must add the `--net-raw=true` flag
+to `/etc/docker/daemon.json` in order to use it.
+
## Test Structure
Each test implements `TestCase`, providing (1) a function to run inside the
@@ -25,7 +28,14 @@ Your test is now runnable with bazel!
## Run individual tests
-Build the testing Docker container:
+Build and install `runsc`. Re-run this when you modify gVisor:
+
+```bash
+$ bazel build //runsc && sudo cp bazel-bin/runsc/linux_amd64_pure_stripped/runsc $(which runsc)
+```
+
+Build the testing Docker container. Re-run this when you modify the test code in
+this directory:
```bash
$ bazel run //test/iptables/runner:runner-image -- --norun