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Development

Running with CRDs on a Kubernetes Cluster​

The minimal component which must be deployed on your local Kubernetes cluster is testkube-operator with project CRDs (https://github.com/kubeshop/testkube-operator).

To install CRDs into your local cluster, checkout the testkube-operator project and run:

make install

Running on a Local Machine​

The next critical components are the Testkube API (https://github.com/kubeshop/testkube) and an executor. You can use your own tests' executor or an existing one from Testkube.

Checkout the Testkube project and run a local API server:

make run-mongo-dev run-api

Next, run the Testkube Postman executor (https://github.com/kubeshop/testkube-executor-postman). The postman executor is MongoDB based so it will launch MongoDB with the API server step:

make run-executor

Making Calls to a Local API Server Instance​

If you want to debug an API server locally, you can run a local kube-proxy which makes all calls to kube proxy URIs directly to API server instances.

make run-proxy

And when calling any of kubectl testkube subcommands, pass the direct client flag (-cdirect)

Installing Local Executors​

Install development executors by running them from the Testkube project (https://github.com/kubeshop/testkube):

make dev-install-local-executors

This will register Custom Resources for the following test types:

  • local-postman/collection
  • local-cypress/project
  • local-curl/test

Create a Test Custom Resource with one of the types above to be executed on the given executor:

kubectl testkube create test --file my_collection_file.json --name my-test-name --type local-postman/collection

To summarize: type is the single relation between Test and Executor.

Intercepting an API Server on a Cluster​

For debugging on Kubernetes, intercept the whole API Server (or Postman executor) service by using Telepresence.

Simply intercept the API server with the local instance.

To create/run tests pointed to in-cluster executors, start the API Server with telepresence mode:

make run-api-telepresence