Add snapshotter CRDs after cluster setup

Signed-off-by: Grant Griffiths <grant@portworx.com>

prow.sh

@@ -657,6 +657,29 @@ install_hostpath () {
     fi
 }
 
+# Installs all nessesary snapshotter CRDs  
+install_snapshot_crds() {
+  # Wait until volumesnapshot CRDs are in place.
+  CRD_BASE_DIR=https://raw.githubusercontent.com/kubernetes-csi/external-snapshotter/master/config/crd 
+  kubectl apply -f "${CRD_BASE_DIR}/snapshot.storage.k8s.io_volumesnapshotclasses.yaml"
+  until kubectl get volumesnapshotclasses.snapshot.storage.k8s.io
+  do
+    sleep 2
+  done
+
+  kubectl apply -f "${CRD_BASE_DIR}/snapshot.storage.k8s.io_volumesnapshots.yaml"
+  until kubectl get volumesnapshots.snapshot.storage.k8s.io
+  do
+    sleep 2
+  done
+
+  kubectl apply -f "${CRD_BASE_DIR}/snapshot.storage.k8s.io_volumesnapshotcontents.yaml"
+  until kubectl get volumesnapshotcontents.snapshot.storage.k8s.io
+  do
+    sleep 2
+  done
+}
+
 # collect logs and cluster status (like the version of all components, Kubernetes version, test version)
 collect_cluster_info () {
     cat <<EOF
@@ -987,6 +1010,9 @@ main () {
         if tests_need_non_alpha_cluster; then
             start_cluster || die "starting the non-alpha cluster failed"
 
+            # Install nessesary CRDs
+            install_snapshot_crds
+
             # Installing the driver might be disabled.
             if install_hostpath "$images"; then
                 collect_cluster_info