1546 byoi (#88)

* Add fields to the CRDs

Signed-off-by: Dimitris Karakasilis <dimitris@karakasilis.me>

* WIP Create test

Signed-off-by: Dimitris Karakasilis <dimitris@karakasilis.me>

* Refactor code to split in testable functions

Signed-off-by: Dimitris Karakasilis <dimitris@karakasilis.me>

* WIP

Signed-off-by: Dimitris Karakasilis <dimitris@karakasilis.me>

* Do something actually useful in tests

- Create a random namespace
- Create an artifact
- Check that CreateConfigmap doesn't error

Signed-off-by: Dimitris Karakasilis <dimitris@karakasilis.me>

* WIP

Signed-off-by: Dimitris Karakasilis <dimitris@karakasilis.me>

* Refactor before each so that we can change the artifact object per test

Signed-off-by: Dimitris Karakasilis <dimitris@karakasilis.me>

* WIP

Signed-off-by: Dimitris Karakasilis <dimitris@karakasilis.me>

* WIP

Signed-off-by: Dimitris Karakasilis <dimitris@karakasilis.me>

* Run kaniko to build the Dockerfile

Signed-off-by: Dimitris Karakasilis <dimitris@karakasilis.me>

* Build the image from Dockerfile with kaniko

Currently can build an image. For example apply these:

```
kind: Secret
apiVersion: v1
metadata:
  name: mydockerfile
stringData:
  Dockerfile: |
    FROM ubuntu
    RUN touch myfile

---
kind: OSArtifact
apiVersion: build.kairos.io/v1alpha2
metadata:
  name: hello-kairos
spec:
  imageName: "quay.io/kairos/core-opensuse-leap:latest"
  baseImageDockerfile:
    name: "mydockerfile"
    key: "Dockerfile"
  iso: true
```

Signed-off-by: Dimitris Karakasilis <dimitris@karakasilis.me>

* Clarify that convert-to-kairos is not yet implemented

Signed-off-by: Dimitris Karakasilis <dimitris@karakasilis.me>

* Remove implemented TODO

Signed-off-by: Dimitris Karakasilis <dimitris@karakasilis.me>

* WIP

Signed-off-by: Dimitris Karakasilis <dimitris@karakasilis.me>

* Bump linting action

Signed-off-by: Dimitris Karakasilis <dimitris@karakasilis.me>

* Fix linting errors

Signed-off-by: Dimitris Karakasilis <dimitris@karakasilis.me>

* Bump it again

Signed-off-by: Dimitris Karakasilis <dimitris@karakasilis.me>

* Unexport function and run controller tests in CI

Signed-off-by: Dimitris Karakasilis <dimitris@karakasilis.me>

* Unexport the other one too

Signed-off-by: Dimitris Karakasilis <dimitris@karakasilis.me>

* Extract case to a function

Signed-off-by: Dimitris Karakasilis <dimitris@karakasilis.me>

* Split controller tests in a separate job

so that they run on a fresh cluster and they run in parallel

Signed-off-by: Dimitris Karakasilis <dimitris@karakasilis.me>

* Remove non-implemented functionality

Will happen as part of this: https://github.com/kairos-io/kairos/issues/1721

Signed-off-by: Dimitris Karakasilis <dimitris@karakasilis.me>

* go mod tidy

Signed-off-by: Dimitris Karakasilis <dimitris@karakasilis.me>

* Try to use a random (free) port in tests

because sometimes we collide

Signed-off-by: Dimitris Karakasilis <dimitris@karakasilis.me>

---------

Signed-off-by: Dimitris Karakasilis <dimitris@karakasilis.me>

config/crd/bases/build.kairos.io_osartifacts.yaml

@@ -41,6 +41,22 @@ spec:
             properties:
               azureImage:
                 type: boolean
+              baseImageDockerfile:
+                description: Points to a Secret that contains a Dockerfile. osbuilder
+                  will build the image using that Dockerfile and will try to create
+                  a Kairos image from it.
+                properties:
+                  key:
+                    type: string
+                  name:
+                    type: string
+                required:
+                - name
+                type: object
+              baseImageName:
+                description: Points to a vanilla (non-Kairos) image. osbuilder will
+                  try to convert this to a Kairos image
+                type: string
               bundles:
                 items:
                   type: string
@@ -7834,6 +7850,7 @@ spec:
               grubConfig:
                 type: string
               imageName:
+                description: Points to a prepared kairos image (e.g. a released one)
                 type: string
               imagePullSecrets:
                 items: