===============
Zalando Kubectl
===============
.. image:: https://img.shields.io/pypi/dw/zalando-kubectl.svg
:target: https://pypi.python.org/pypi/zalando-kubectl/
:alt: PyPI Downloads
.. image:: https://img.shields.io/pypi/v/zalando-kubectl.svg
:target: https://pypi.python.org/pypi/zalando-kubectl/
:alt: Latest PyPI version
.. image:: https://img.shields.io/pypi/l/zalando-kubectl.svg
:target: https://pypi.python.org/pypi/zalando-kubectl/
:alt: License
Kubernetes CLI (kubectl) wrapper in Python with OAuth token authentication.
This wrapper script ``zkubectl`` serves as a drop-in replacement for the ``kubectl`` binary:
* it downloads the current ``kubectl`` binary from Google
* it generates a new ``~/.kube/config`` with an OAuth Bearer token acquired via `zign`_.
* it passes through commands to the ``kubectl`` binary
Installation
============
Requires Python 3.6+.
.. code-block:: bash
$ sudo pip3 install --upgrade zalando-kubectl
Usage
=====
You can directly login to a known Kubernetes API server endpoint:
.. code-block:: bash
$ zkubectl login https://my-api-server.example.org
$ zkubectl cluster-info
You can also configure a Cluster Registry to look up clusters by ID:
.. code-block:: bash
$ zkubectl configure --cluster-registry=https://cluster-registry.example.org
$ zkubectl login my-cluster-id
The Cluster Registry needs to provide the following HTTP API for this to work:
.. code-block:: bash
$ curl -H "Authorization: Bearer $(zign tok)" https://cluster-registry.example.org/kubernetes-clusters/my-cluster-id
{
"api_server_url": "https://my-api-server.example.org"
}
There is an additional convenience command to open the `Kubernetes Dashboard web UI`_ in the browser:
.. code-block:: bash
$ zkubectl dashboard
Waiting for local kubectl proxy.. . . . . . . . . . .Starting to serve on 127.0.0.1:8001 OK
Opening http://localhost:8001/api/v1/namespaces/kube-system/services/kubernetes-dashboard/proxy ..
Unit Tests
==========
Run unit tests with Tox:
.. code-block:: bash
$ sudo pip3 install tox
$ tox
Local Changes
=============
It's recommended to have a `virtualenv` for the project. The project uses `Black`_ for code formatting,
please configure your editor to use it.
Go to the project dir and install dependencies
.. code-block:: bash
$ cd <project-path>
$ pip install -r requirements.txt
$ pip install --editable .
Now the code change will just be reflected in the `zkubectl` binary
.. code-block:: bash
$ zkubectl <whatever>
.. _zign: https://pypi.python.org/pypi/stups-zign
.. _Kubernetes Dashboard web UI: http://kubernetes.io/docs/user-guide/ui/
.. _Black: https://black.readthedocs.io/en/stable/
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