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Testing containers by this repo on OpenShift 4.X

RHSCL containers

We have several images in our GitHub namespace https://github.com/sclorg/. We want to easy test all these images under an OpenShift 4.X environment and execute the basic use cases there whether those images running well in an OpenShift 4.X cluster (especially v4.3 and v4.4)

The playboook deploy-and-test.yml perform these actions:

  • clone upstream image repository to /tmp/rhscl_openshift_dir
  • check if vars directory contains <upstream_name>.yml file
  • deploy an image specified in the <upstream_name>.yml file by variable deployment
  • test an image by variable check_curl_output
  • test and image by script defined in variable test_exec_command and check output defined by variable expected_exec_result

Tested containers

Nowadays, we are able to test these containers:

  • s2i-nodejs-container
  • cakephp-ex
  • s2i-ruby-container
  • s2i-python-container
  • s2i-perl-container
  • httpd-container
  • postgresql-container
  • mysql-container
  • nginx-container

Prerequisities

Install Fedora ansible-playbook package

The tests are executed by ansible-playbook command. Install it by dnf command:

$ sudo dnf install -y ansible python3-lxml

Download and install OpenShift Client 4

To test RHSCL image under OpenShift 4.X environment you have to download at least OpenShift Client v4.3. The steps below will install the latest OpenShift Client 4 version.

$ mkdir -p ~/ocp4-client
$ curl -o ~/ocp4-client/ocp4-client.tar.gz https://mirror.openshift.com/pub/openshift-v4/clients/ocp-dev-preview/latest-4.4/openshift-client-linux.tar.gz
$ tar -xzvf ~/ocp4-client.tar.gz
$ export PATH="${HOME}/ocp4-client:${PATH}"

Set KUBECONFIG

Before running playbook you have to export KUBECONFIG variable, by a command:

export KUBECONFIG=<path_to_directory>/kubeconfig

Test RHSCL containers under OpenShift 4.X

Testing run by a command: ansible-playbook deploy-and-test.yml

or simply by make command:

make ocp4-tests

To test only one container, run it by a command:

make ocp4-tests GITHUB_REPO=<upstream_github_repo_name>

How to create a test for a new container

In order to create a new test go through these steps.

  1. Go to directory vars
  2. Copy file template-container.yml to the new one, like foobar.yml
  3. Fill all variables in the file like, deployment, pod_name, test_command, expected_results, test_command_2, expected_results_2.
  4. Add the newest test info deploy-and-test.yaml file, task Clone and test upstream container repositories
  5. For more examples, see already existing tests

Test java container by ansible-tests in OpenShift

This repo can test Java containers under OpenShift 4 as well.

You can run all versions of Java or a specific one by setting one of the values for ext_test variable:

  • All Java versions: ext_test=java
  • Java 8: ext_test=java_8
  • Java 11: ext_test=java_11
  • Java 17: ext_test=java_17

Testing run by a command:

ansible-playbook deploy-and-test.yml -e ext_test=java

or simply by make command:

make ocp4-tests EXT_TEST=java

Test dotnet container by ansible-tests in OpenShift

This repo can test Dotnet containers under OpenShift 4 as well.

You can run all versions of Dotnet or a specific one by setting one of the values for ext_test variable:

  • All Dotnet versions: ext_test=dotnet
  • Dotnet 60: ext_test=dotnet_60
  • Dotnet 70: ext_test=dotnet_70

Testing run by a command:

ansible-playbook deploy-and-test.yml -e ext_test=dotnet

or simply by make command:

make ocp4-tests EXT_TEST=dotnet