Create ephemeral storage

cesnet-central/deployments/fullhub.yaml

@@ -39,6 +39,12 @@ singleuser:
         # sizeLimit problematic in this environment,
         # not needed for remote mounts
         empty_dir:
+      - name: scratch
+        ephemeral:
+          volumeClaimTemplate:
+            spec:
+              accessModes: [ "ReadWriteOnce" ]
+              storageClassName: local-path
     extraVolumeMounts:
       - name: cvmfs-host
         mountPath: "/cvmfs:shared"
@@ -46,9 +52,11 @@ singleuser:
         mountPath: '/mnt/b2drop:shared'
       - name: owncloud
         mountPath: '/mnt/owncloud:shared'
+      - name: scratch
+        mountPath: '/scratch'
   lifecycleHooks:
     postStart:
-      exec: { "command": ["/bin/sh", "-c", "ln -snf /mnt/b2drop $HOME/b2drop; ln -snf /mnt/owncloud $HOME/owncloud; ln -snf /cvmfs $HOME/cvmfs; mkdir -p /home/jovyan/.notebookCheckpoints"] }
+      exec: { "command": ["/bin/sh", "-c", "ln -snf /mnt/b2drop $HOME/b2drop; ln -snf /mnt/owncloud $HOME/owncloud; for d in cvmfs scratch; do if ! test -e $HOME/$d; then ln -snf /$d $HOME/$d; fi; done; mkdir -p /home/jovyan/.notebookCheckpoints"] }
   memory:
     limit: 6G
     guarantee: 128M