Wait for CRD creation and remove snapshotclass example create

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

deploy/kubernetes-1.17/deploy-hostpath.sh

@@ -104,6 +104,26 @@ update_image () {
     case "$1" in socat) return 1;; esac
 }
 
+# VolumeSnapshot CRDs are installed by cluster addon manager, which may
+# not be available at this point. Run this as a background process.
+function wait-for-apiserver-and-update-volumesnapshot {
+  # Wait until volumesnapshot CRDs are in place.
+  until kubectl get volumesnapshotclasses.snapshot.storage.k8s.io
+  do
+    sleep 10
+  done
+
+  until kubectl get volumesnapshotcontents.snapshot.storage.k8s.io
+  do
+    sleep 10
+  done
+
+  until kubectl get volumesnapshots.snapshot.storage.k8s.io
+  do
+    sleep 10
+  done
+}
+
 run () {
     echo "$@" >&2
     "$@"
@@ -113,6 +133,10 @@ run () {
 echo "deploying volume snapshot CRDs"
 kubectl apply -f ${BASE_DIR}/snapshotter/crd
 
+# wait until CRDs are ready
+echo "waiting for CRDs to be ready"
+wait-for-apiserver-and-update-volumesnapshot
+
 # rbac rules
 echo "applying RBAC rules"
 for component in CSI_PROVISIONER CSI_ATTACHER CSI_SNAPSHOTTER; do
@@ -181,8 +205,3 @@ while [ $(kubectl get pods 2>/dev/null | grep '^csi-hostpath.* Running ' | wc -l
     cnt=$(($cnt + 1))
     sleep 10
 done
-
-
-# deploy snapshotclass
-echo "deploying snapshotclass"
-kubectl apply -f ${BASE_DIR}/snapshotter/csi-hostpath-snapshotclass.yaml

deploy/kubernetes-latest

@@ -1 +1 @@
-kubernetes-1.15
+kubernetes-1.17