Use helm_apply and misc fixes

charts/nfs-client-provisioner/deploy.sh

@@ -1,16 +1,15 @@
 #!/usr/bin/env bash
+TOP="$(cd "$(dirname "${BASH_SOURCE[0]}")" >/dev/null 2>&1 && pwd)"
 
 namespace=kube-system
 
 charts=()
 
+cd $TOP
 . ../config.sh
+
 kubectl_apply_files $namespace "${charts[@]}"
-helm template \
-    -n $namespace \
-    -f values.yaml \
-    nfs-client-provisioner \
-    stable/nfs-client-provisioner \
-    | kubectl_apply $namespace
+
+helm_apply $namespace nfs-client-provisioner stable/nfs-client-provisioner