Fix deployment of ephemeral storage

cesnet-central/playbooks/k8s.yaml

@@ -293,6 +293,7 @@
       shell: |-
         helm status --namespace local-path-storage local-path-storage
         if [ $? -ne 0 ]; then
+            kubectl create namespace local-path-storage || :
             helm install {{ config }}
         else
             helm upgrade {{ config }}