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KEP CLI Proposal

KEP CLI Proposal

Table of Contents


This KEP aims to improve the end user experience via a CLI that makes the life of an operator easier. Right now, interacting with KUDO consists of a chain of cumbersome steps that require specific business logic. By providing one global entry point for the user (e.g. to install or interact with frameworks, get the status of current plans etc.) we can abstract complexity from the user and drive adaptation.


Currently, installing your Frameworks requires not just the proper configuration of your YAML files but also multiple interactions with kubectl. Having CLI tooling to simplify the path for cluster operators to deployment and maintenance of installed Frameworks adds not just value across the community but also helps implementing best practices when using KUDO.


The goal of this KEP is to have a CLI binary that can be used under the Kubectl Plugin System to work with KUDO.

  • We should drive making the adaption to KUDO easier
  • Not to confuse flags
  • Providing metrics for usage and error reporting


Non-Goals are:

  • Just building another wrapper around kubectl
  • Adding complexity


This is where we get down to the nitty gritty of what the proposal actually is.

User Stories

Installing a Framework

As a user I want to be able to install a framework to my cluster.

Uninstalling a Framework

As a user I want to be able to uninstall a framework from my cluster.

Listing running Instances

As a user I want to be able to list current installed frameworks in my namespace.

Getting the status of an Instance

As a user I want to be able to get the status of all plans of an Instance.

Start specific plans

As a user I want to be able to trigger specific plans of an Instance.

Get the history of Planexecutions

As a user I want to be able to audit the trail of executed plans.

Executing into a particular Instance

As a user I want to be able to execute into my Instance environment.

Run Framework specific commands

As an application operator, I want to be able to run CLI tooling, built for the Framework against an Instance.

Shell into containers of a Framework

As a user I want to be able to get a shell to a specific framework.

Read all combined logs of a Framework

As a user I want to be able to read logs to a specific framework and its components.

Implementation Details/Notes/Constraints

Some caveats:

  • Airgapped clusters
  • Application logic with extra plugins for specific frameworks
  • To be continued...

Risks and Mitigations


Graduation Criteria

If we see adoption in the community.

Implementation History


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