refact(tests): add resize and remount tests for jiva volumes (#32)

- add resize tests
- add remount tests
- bump k8s version 1.18.1

Signed-off-by: Payes Anand <[email protected]>

.travis.yml

@@ -32,18 +32,27 @@ before_install:
   - sudo cat /etc/iscsi/initiatorname.iscsi
   - systemctl status iscsid
   # Download kubectl, which is a requirement for using minikube.
-  - curl -Lo kubectl https://storage.googleapis.com/kubernetes-release/release/v1.15.7/bin/linux/amd64/kubectl && chmod +x kubectl && sudo mv kubectl /usr/local/bin/
+  - curl -Lo kubectl https://storage.googleapis.com/kubernetes-release/release/v1.18.1/bin/linux/amd64/kubectl && chmod +x kubectl && sudo mv kubectl /usr/local/bin/
   # Download minikube.
-  - curl -Lo minikube https://storage.googleapis.com/minikube/releases/v1.6.2/minikube-linux-amd64 && chmod +x minikube && sudo mv minikube /usr/local/bin/
+  - curl -Lo minikube https://storage.googleapis.com/minikube/releases/v1.8.1/minikube-linux-amd64 && chmod +x minikube && sudo mv minikube /usr/local/bin/
   - mkdir -p $HOME/.kube $HOME/.minikube
   - touch $KUBECONFIG
-  - sudo minikube start --vm-driver=none --kubernetes-version=v1.15.7
+  - sudo apt-get -qq -y install conntrack
+  - sudo minikube start --profile=minikube --vm-driver=none --kubernetes-version=v1.18.1
+  - minikube update-context --profile=minikube
   - "sudo chown -R travis: /home/travis/.minikube/"
+  - eval "$(minikube docker-env --profile=minikube)" && export DOCKER_CLI='docker'
+  - JSONPATH='{range .items[*]}{@.metadata.name}:{range @.status.conditions[*]}{@.type}={@.status};{end}{end}';
+    until kubectl get nodes -o jsonpath="$JSONPATH" 2>&1 | grep -q "Ready=True"; do
+    sleep 1; done
 script:
   - kubectl cluster-info
   # Verify kube-addon-manager.
   # kube-addon-manager is responsible for managing other kubernetes components, such as kube-dns, dashboard, storage-provisioner..
-  - JSONPATH='{range .items[*]}{@.metadata.name}:{range @.status.conditions[*]}{@.type}={@.status};{end}{end}'; until kubectl -n kube-system get pods -lcomponent=kube-addon-manager -o jsonpath="$JSONPATH" 2>&1 | grep -q "Ready=True"; do sleep 1;echo "waiting for kube-addon-manager to be available"; kubectl get pods --all-namespaces; done
+  - JSONPATH='{range .items[*]}{@.metadata.name}:{range @.status.conditions[*]}{@.type}={@.status};{end}{end}';
+    until kubectl -n kube-system get pods -lk8s-app=kube-dns -o jsonpath="$JSONPATH"
+    2>&1 | grep -q "Ready=True"; do sleep 1;echo "waiting for kube-dns to
+    be available"; kubectl get pods --all-namespaces; done
   - make license-check
   - make image
   - cd $GOPATH/src/github.com/openebs/jiva-operator

tests/pvc_without_app_test.go

@@ -0,0 +1,45 @@
+/*
+Copyright 2020 The OpenEBS Authors
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package volume
+
+import (
+	. "github.com/onsi/ginkgo"
+)
+
+var _ = Describe("[csi] [jiva] TEST PVC CREATION DELETION WITHOUT APP", func() {
+	BeforeEach(preparePVCCreationDeletionWithoutAppTest)
+	AfterEach(cleanupAfterPVCCreationDeletionWithoutAppTest)
+
+	Context("PVC is created and deleted", func() {
+		It("Should run PVC creation and deletion test", pvcCreationDeletionWithoutAppTest)
+	})
+})
+
+func pvcCreationDeletionWithoutAppTest() {
+	By("creating and verifying PVC bound status", createAndVerifyPVC)
+	By("should verify jivaVolumeCR has been created", func() { verifyJivaVolumeCRCreated() })
+	By("Deleting pvc", deletePVC)
+	By("should verify jivaVolumeCR has been deleted", func() { verifyJivaVolumeCRDeleted() })
+}
+
+func preparePVCCreationDeletionWithoutAppTest() {
+	By("Creating storage class", createStorageClass)
+}
+
+func cleanupAfterPVCCreationDeletionWithoutAppTest() {
+	By("Deleting storage class", deleteStorageClass)
+}

tests/remount_test.go

@@ -0,0 +1,49 @@
+/*
+Copyright 2020 The OpenEBS Authors
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package volume
+
+import (
+	. "github.com/onsi/ginkgo"
+)
+
+var _ = Describe("[csi] [jiva] TEST Remount when volume goes into RO mode", func() {
+	BeforeEach(prepareForRemountTest)
+	AfterEach(cleanupAfterRemountTest)
+
+	Context("App is deployed and restarted on pvc with replica count 1", func() {
+		It("Should run Volume Creation Test", remountTest)
+	})
+})
+
+func remountTest() {
+	By("creating and verifying PVC bound status", createAndVerifyPVC)
+	By("Creating and deploying app pod", createDeployVerifyApp)
+	By("scale down jiva controller pod", scaleDownControllerPod)
+	By("Verify app state as CrashLoopBackOff", func() { verifyCrashLoopBackOffStateOfAppPod(true) })
+	By("Scale up jiva controller pod", scaleUpControllerPod)
+	By("Verify app state as not CrashLoopBackOff", func() { verifyCrashLoopBackOffStateOfAppPod(false) })
+	By("Deleting application deployment", deleteAppDeployment)
+	By("Deleting pvc", deletePVC)
+}
+
+func prepareForRemountTest() {
+	By("Creating storage class", createStorageClass)
+}
+
+func cleanupAfterRemountTest() {
+	By("Deleting storage class", deleteStorageClass)
+}

tests/resize_test.go

@@ -0,0 +1,56 @@
+/*
+Copyright 2019 The OpenEBS Authors
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package volume
+
+import (
+	. "github.com/onsi/ginkgo"
+	"fmt"
+)
+
+var _ = Describe("[csi] [jiva] TEST VOLUME RESIZE", func() {
+	BeforeEach(prepareForVolumeResizeTest)
+	AfterEach(cleanupAfterVolumeResizeTest)
+
+	Context("App is deployed with volume replica count 1 and pvc is resized", func() {
+		It("Should run Volume Resize Test", volumeResizeTest)
+	})
+})
+
+func volumeResizeTest() {
+	currentK8sVersion := getCurrentK8sMinorVersion()
+	if currentK8sVersion < 16 {
+		fmt.Printf(
+			"resizing is not supported on Kubernetes version: 1.%d. Min supported version is 1.16\n",
+			currentK8sVersion,
+		)
+		return
+	}
+	By("creating and verifying PVC bound status", createAndVerifyPVC)
+	By("Creating and deploying app pod", createDeployVerifyApp)
+	By("Expanding PVC", expandPVC)
+	By("Verifying updated size in application pod", verifyIncreasedSizeInAppPod)
+	By("Deleting application deployment", deleteAppDeployment)
+	By("Deleting pvc", deletePVC)
+}
+
+func prepareForVolumeResizeTest() {
+	By("Creating storage class", createStorageClass)
+}
+
+func cleanupAfterVolumeResizeTest() {
+	By("Deleting storage class", deleteStorageClass)
+}