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>

api/v1alpha2/osartifact_types.go

@@ -24,8 +24,17 @@ import (
 
 // OSArtifactSpec defines the desired state of OSArtifact
 type OSArtifactSpec struct {
+	// There are 3 ways to specify a Kairos image:
+
+	// Points to a prepared kairos image (e.g. a released one)
 	ImageName string `json:"imageName,omitempty"`
 
+	// Points to a vanilla (non-Kairos) image. osbuilder will try to convert this to a Kairos image
+	BaseImageName string `json:"baseImageName,omitempty"`
+
+	// 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.
+	BaseImageDockerfile *SecretKeySelector `json:"baseImageDockerfile,omitempty"`
+
 	ISO bool `json:"iso,omitempty"`
 
 	//Disk-only stuff

api/v1alpha2/zz_generated.deepcopy.go

@@ -89,6 +89,11 @@ func (in *OSArtifactList) DeepCopyObject() runtime.Object {
 // DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
 func (in *OSArtifactSpec) DeepCopyInto(out *OSArtifactSpec) {
 	*out = *in
+	if in.BaseImageDockerfile != nil {
+		in, out := &in.BaseImageDockerfile, &out.BaseImageDockerfile
+		*out = new(SecretKeySelector)
+		**out = **in
+	}
 	if in.CloudConfigRef != nil {
 		in, out := &in.CloudConfigRef, &out.CloudConfigRef
 		*out = new(SecretKeySelector)