Update README with more detail to run E2E

kubernetes-sigs · Jan 25, 2019 · 127d772 · 127d772
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diff --git a/docs/README.md b/docs/README.md
@@ -128,12 +128,24 @@ To execute integration tests, run:
 make test-integration
 ```
 
+**Note**: EC2 instance is required to run integration test, since it is exercising the actual flow of creating EBS volume, attaching it and read/write on the disk.
+
 To execute e2e tests, run:
+
+Some tests marked with `[env]` require specific environmental variables to be set, if not set these tests will be skipped.
+
+```
+export AWS_AVAILABILITY_ZONES="us-west-2a,us-west-2b"
 ```
+
+Replacing `us-west-2a,us-west-2b` with the AZ(s) where your Kubernetes worker nodes are located.
+
+```
+export KUBECONFIG=~/.kube/config
 make test-e2e
 ```
 
-**Note**: EC2 instance is required to run integration test, since it is exercising the actual flow of creating EBS volume, attaching it and read/write on the disk.
+**Note**: By default `make test-e2e` will run 32 tests concurrently, set `GINKGO_NODES` to change the parallelism.
 
 ### Build and Publish Container Image
 

diff --git a/hack/run-e2e-test b/hack/run-e2e-test
@@ -16,4 +16,6 @@
 
 set -euo pipefail
 
-ginkgo -p -v --focus ebs-csi-e2e tests/e2e
+NODES=${GINKGO_NODES:-32}
+
+ginkgo -p -nodes=$NODES -v --focus ebs-csi-e2e tests/e2e