Controller of Kong Plugin installation CRD is able to fetch OCI image and unpack content to ConfigMap

[programmer04]

Problem Statement

Based on values configured by the user proper

Provide actual implementation of a controller for Kong Plugin installation. Based on configured values in CRD, it should fetch OCI image with the plugin unpack it to secret, and report useful information about the status in status field of the defined object. The format of the expected OCI image is

FROM scratch
COPY plugin.lua ./

such image goes with the below flow

Source

What is in the blue box is in the scope of this issue.

Proposed Solution

Istio uses the aforementioned packaging as an image/blob.

This is how Istio implements it. It uses crane library to deal with them. See how it looks in their code and maybe reuse.

Acceptance Criteria

• adding configuration for plugin leads to creation of a ConfigMap with a plugin and proper status is set in K8s object for available states