Merge pull request #921 from Random-Liu/turn-off-fail-swap-on

Turn off `--fail-swap-on` in node e2e test.

hack/test-e2e-node.sh

@@ -32,6 +32,9 @@ REPORT_DIR=${REPORT_DIR:-"/tmp/test-e2e-node"}
 UPLOAD_LOG=${UPLOAD_LOG:-false}
 # TIMEOUT is the timeout of the test.
 TIMEOUT=${TIMEOUT:-"40m"}
+# FAIL_SWAP_ON makes kubelet fail when swap is on.
+# Many dev environments run with swap on, so we don't fail by default.
+FAIL_SWAP_ON=${FAIL_SWAP_ON:-"false"}
 
 # Check GOPATH
 if [[ -z "${GOPATH}" ]]; then
@@ -84,6 +87,7 @@ timeout "${TIMEOUT}" make test-e2e-node \
   ARTIFACTS=${REPORT_DIR} \
   TEST_ARGS='--kubelet-flags=--cgroups-per-qos=true \
   --kubelet-flags=--cgroup-root=/ \
+  --kubelet-flags=--fail-swap-on='${FAIL_SWAP_ON}' \
   --prepull-images=false'
 test_exit_code=$?