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ShyamsundarR 16d9ffa62c Add e2e test case for DeleteVolume success on backend volume deletion 
If a backend volume is deleted, DeleteVolume call for the same should
succeed, detecting the image is missing and delete the related OMaps.

This commit adds a test case to ensure this is occuring correctly.

Updates #474

Signed-off-by: ShyamsundarR <srangana@redhat.com>
(cherry picked from commit b93ed21fe8)
2020-01-31 08:24:08 +00:00
..
cephfs.go Add e2e test case for DeleteVolume success on backend volume deletion 2020-01-31 08:24:08 +00:00
e2e_test.go This commit adds "k8s.io/kubernetes/test/e2e/framework/config" 2020-01-17 12:06:02 +00:00
log.go Update framework imports and its functions. 2020-01-17 12:06:02 +00:00
rbd.go Added PodSecurityPolicy support 2020-01-22 09:04:03 +00:00
README.md refact: Remove Kubernetes 1.13.x support 2020-01-20 10:32:30 +00:00
resize.go Improve logging while waiting for deployment to complete 2019-12-31 06:10:40 +00:00
utils.go Add e2e test case for DeleteVolume success on backend volume deletion 2020-01-31 08:24:08 +00:00

README.md

End-to-End Testing

Introduction

End-to-end (e2e) in cephcsi provides a mechanism to test the end-to-end behavior of the system, These tests will interact with live instances of ceph cluster just like how a user would.

The primary objectives of the e2e tests are to ensure a consistent and reliable behavior of the cephcsi code base and to catch hard-to-test bugs before users do when unit and integration tests are insufficient.

The Test framework is designed to install Rook, run cephcsi tests, and uninstall Rook.

The e2e test are built on top of Ginkgo and Gomega

Install Kubernetes

The cephcsi also provides a script for starting Kubernetes using minikube so users can quickly spin up a Kubernetes cluster.

the following parameters are available to configure kubernetes cluster

flag description
up Starts a local kubernetes cluster and prepare a disk for rook
down Stops a running local kubernetes cluster
clean Deletes a local kubernetes cluster
ssh Log into or run a command on a minikube machine with SSH
deploy-rook Deploy rook to minikube
clean-rook Deletes a rook from minikube
cephcsi Copy built docker images to kubernetes cluster
k8s-sidecar Copy kubernetes sidecar docker images to kubernetes cluster

following environment variables can be exported to customize kubernetes deployment

ENV Description Default
MINIKUBE_VERSION minikube version to install latest
KUBE_VERSION kubernetes version to install v1.14.10
MEMORY Amount of RAM allocated to the minikube VM in MB 3000
VM_DRIVER VM driver to create virtual machine virtualbox
CEPHCSI_IMAGE_REPO Repo URL to pull cephcsi images quay.io/cephcsi
K8S_IMAGE_REPO Repo URL to pull kubernetes sidecar images quay.io/k8scsi
K8S_FEATURE_GATES Feature gates to enable on kubernetes cluster BlockVolume=true,CSIBlockVolume=true,VolumeSnapshotDataSource=true
  • creating kubernetes cluster
$./minikube.sh up
  • Teardown kubernetes cluster
$./minikube.sh clean

Test parameters

In addition to standard go tests parameters, the following custom parameters are available while running tests:

flag description
deploy-timeout Timeout to wait for created kubernetes resources (default: 10)
kubeconfig Path to kubeconfig containing embedded authinfo (default: $HOME/.kube/config)
timeout Panic test binary after duration d (default 0, timeout disabled)
v Verbose: print additional output

Running E2E

Note:- Prior to running the tests, you may need to copy the kubernetes configuration file to$HOME/.kube/configwhich is required to communicate with kubernetes cluster or you can passkubeconfigflag while running tests.

Functional tests are run by the go test command.

$go test ./e2e/ -timeout=20m -v

Functional tests can be invoked by make command

$make func-test TESTOPTIONS="--deploy-timeout=10  -timeout=30m -v"