add TopoLVM e2e tests

Signed-off-by: Evgeny Slutsky <eslutsky@redhat.com>

Author: eslutsky

src/topolvm/assets/kustomization.yaml

@@ -6,3 +6,4 @@ resources:
 patches:
   - path: topolvm_mutatingwebhook_patch.yaml
   - path: topolvm_service_patch.yaml
+  - path: topolvm_configmap-lvmd_patch.yaml

src/topolvm/assets/topolvm_configmap-lvmd_patch.yaml

@@ -0,0 +1,8 @@
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: topolvm-lvmd-0
+  namespace: topolvm-system
+data:
+  lvmd.yaml: "socket-name: /run/topolvm/lvmd.sock\ndevice-classes: \n  - default: true\n    name: ssd\n    spare-gb: 0\n    volume-group: myvg1\n"
+

src/topolvm/tests/createWorkloads.sh

@@ -0,0 +1,98 @@
+#!/bin/bash
+
+set -eux
+
+# Set KUBECONFIG path - use dynamic IP-based path
+KUBECONFIG=${KUBECONFIG:-/var/lib/microshift/resources/kubeadmin/kubeconfig}
+
+ns="test-lvms"
+appLabel="app-lvms"
+
+echo "INFO:" "Create Namespace, PVC and Deployment resources......"
+oc --kubeconfig "${KUBECONFIG}" create ns ${ns}
+
+cat <<EOF | oc --kubeconfig "${KUBECONFIG}" -n ${ns} apply -f -
+kind: PersistentVolumeClaim
+apiVersion: v1
+metadata:
+  name: mypvc-lvms
+spec:
+  accessModes:
+  - ReadWriteOnce
+  storageClassName: topolvm-provisioner
+  volumeMode: Filesystem
+  resources:
+    requests:
+      storage: 1Mi
+---
+kind: Deployment
+apiVersion: apps/v1
+metadata:
+  name: mydep-lvms
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: ${appLabel}
+  template:
+    metadata:
+      labels:
+        app: ${appLabel}
+    spec:
+      containers:
+      - name: http-server
+        image: quay.io/openshifttest/hello-openshift@sha256:b1aabe8c8272f750ce757b6c4263a2712796297511e0c6df79144ee188933623
+        ports:
+          - name: httpd
+            containerPort: 80
+        volumeMounts:
+        - name: local
+          mountPath: /mnt/storage
+      volumes:
+      - name: local
+        persistentVolumeClaim:
+            claimName: mypvc-lvms
+EOF
+
+echo "INFO:" "Check if deployment Pod is 'Running'......."
+iter=48
+period=5
+podName=""
+set +e
+while [[ "${podName=}" == "" && ${iter} -gt 0 ]]; do
+  sleep ${period}
+  podName=$(oc --kubeconfig "${KUBECONFIG}" get pod -n ${ns} -l app=${appLabel} --no-headers | awk '{print $1}')
+  (( iter -- ))
+done
+if [ "${podName}" == "" ]; then
+  echo "ERROR:" "Deployment Pod not found."
+  exit 1
+fi
+echo "INFO:" "Waiting for Pod to become ready(max 4-minutes)....."
+iter=48
+result=""
+while [[ "${result}" != "Running" && ${iter} -gt 0 ]]; do
+  #shellcheck disable=SC1083
+  result=$(oc --kubeconfig "${KUBECONFIG}" get pod "${podName}" -n ${ns} -o=jsonpath={.status.phase})
+  (( iter -- ))
+  sleep ${period}
+done
+set -e
+if [ "${result}" == "Running" ]; then
+  echo "INFO:" "Deployment Pod is Running."
+else
+  echo "ERROR:" "Deployment Pod creation Failed."
+  oc --kubeconfig "${KUBECONFIG}" -n ${ns} describe pod "${podName}"
+  exit 1
+fi
+
+echo "INFO:" "Check if data can be read/write into Pod mounted volume......."
+#shellcheck disable=SC2016
+oc --kubeconfig "${KUBECONFIG}" exec -n ${ns} "${podName}" -- /bin/sh -c 'echo Storage_Test $(date) > /mnt/storage/testfile'
+data=$(oc --kubeconfig "${KUBECONFIG}" exec -n ${ns} "${podName}" -- /bin/sh -c 'cat /mnt/storage/testfile')
+if [[ ${data} =~ "Storage_Test" ]]; then
+  echo "SUCCESS:" "Data successfully written into Pod"
+else
+  echo "ERROR:" "Failed to write data into the Pod"
+  exit 1
+fi