ci: deply test WN with shared cvmfs

.ci/cvmfs-storageclass.yaml

@@ -0,0 +1,5 @@
+apiVersion: storage.k8s.io/v1
+kind: StorageClass
+metadata:
+  name: cvmfs
+provisioner: cvmfs.csi.cern.ch

.ci/cvmfs-volume-storageclass-pvc.yaml

@@ -0,0 +1,16 @@
+
+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: cvmfs
+spec:
+  accessModes:
+  - ReadOnlyMany
+  resources:
+    requests:
+      # Volume size value has no effect and is ignored
+      # by the driver, but must be non-zero.
+      storage: 1
+  storageClassName: cvmfs
+
+

.ci/values-cvmfs.yaml

@@ -0,0 +1,15 @@
+# This is a YAML-formatted file.
+# Declare variables to be passed into your templates.
+
+# Extra ConfigMaps to create and manage by the chart release.
+# These can be used e.g. when defining CVMFS client configuration.
+# ConfigMap data supports go-template expressions.
+extraConfigMaps:
+  # /etc/cvmfs/config.d/
+  cvmfs-csi-config-d: {}
+  # /etc/cvmfs/default.local
+  cvmfs-csi-default-local:
+    default.local: |
+      CVMFS_USE_GEOAPI=yes
+      CVMFS_HTTP_PROXY="http://grid-squid01.desy.de:3128;http://grid-squid02.desy.de:3128;http://grid-squid03.desy.de:3128;http://grid-squid04.desy.de:3128;http://grid-squid05.desy.de:3128;http://grid-squid06.desy.de:3128;DIRECT"
+

.ci/wn-with-cvmfs.yaml

@@ -0,0 +1,21 @@
+apiVersion: v1
+kind: Pod
+metadata:
+  name: cvmfs-demo
+spec:
+  containers:
+    - name: demo
+      image: busybox
+      imagePullPolicy: IfNotPresent
+      command: [ "/bin/sh", "-c", "trap : TERM INT; (while true; do sleep 1000; done) & wait" ]
+      volumeMounts:
+        - name: cvmfs
+          mountPath: /cvmfs
+          # CVMFS automount volumes must be mounted with HostToContainer mount propagation.
+          mountPropagation: HostToContainer
+  volumes:
+    - name: cvmfs
+      persistentVolumeClaim:
+        claimName: cvmfs
+
+

.gitlab-ci.yml

@@ -317,6 +317,32 @@ deploy_dcache_helm:
     - helm repo update
     - helm -n ${K8S_NAMESPACE} install --wait --set image.tag=${tag} --set image.repository=gitlab.desy.de:5555/dcache/dcache store dcache/dcache
 
+
+#
+# Grid tests expects cluster-wide cvmfs volumes to be present.
+#
+# The deployment can be done as:
+#
+#  kubectl create -f ./ci/cvmfs-storageclass.yaml
+#  helm repo add cern https://registry.cern.ch/chartrepo/cern
+#  helm repo update
+#  helm -n dcache-dev-infrastructure install -f .ci/values-cvmfs.yaml cvmfs cern/cvmfs-csi
+#
+# More info: https://github.com/cvmfs-contrib/cvmfs-csi/tree/master/docs
+#
+grid_tests:
+  stage: testing
+  image: bitnami/kubectl:latest
+  allow_failure: true
+  tags:
+    - kubernetes
+    - dcache-dev
+  script:
+    - kubectl -n $K8S_NAMESPACE create -f .ci/cvmfs-volume-storageclass-pvc.yaml
+    - kubectl -n $K8S_NAMESPACE create -f .ci/wn-with-cvmfs.yaml
+    - while ! kubectl -n $K8S_NAMESPACE wait --for=condition=Ready pod cvmfs-demo; do sleep 1; done
+    - kubectl -n $K8S_NAMESPACE exec cvmfs-demo -- ls /cvmfs/grid.cern.ch/
+
 pynfs_tests:
   stage: testing
   image: bitnami/kubectl:latest