Add feature of building images in ADO (#8806)

* Add sign-only mode.

* POC of image building in ADO.

* go mod tidy

* Use default build config.

* Add sign-only mode.

* POC of image building in ADO.

* go mod tidy

* Use default build config.

* fix linter errors

* rendertemplates

* go get -t github.com/kyma-project/test-infra/pkg/prow/pjconfigtests

* Fixed test.

* Fix test

* Refactored code for building images in ADO.
Distributed code to multiple functions.

* Linter errors.

* Move ado code to separate pacakge and make it testable.

* Move build in ado code to separate package. This can be tested independent and reused in other tools.

* Tests.
TODOs for needed improvements.
Comments.
Small changes in code.

* go mod tidy

* Missing mocks.

* Key name aligned with ADO pipeline parameter name.

* Added building image-builder image to the prowjob.

* go mod tidy

* Aligned client with expected ado pipeline parameters names.

* Fixed validation.

* Use go buildpack. Chainguard offers free access to the latest tag only.

* Moved Dockerfile back to original location. images directory is not suitable for building image-builder.

* Build image-builder image in prowjob.
Fix flag.

* Apply suggestions from code review

Co-authored-by: Kamil Kasperski <kamil.kasperski@sap.com>

* Unexport options fields.

* Use sets.Strings.

* This tests will be added in separate pr.

* Not in use yet.

* Remove testing prowjob.

* Align build config with expected schema.

---------

Co-authored-by: Kamil Kasperski <kamil.kasperski@sap.com>

.mockery.yaml

@@ -0,0 +1,7 @@
+with-expecter: true
+packages:
+  github.com/kyma-project/test-infra/pkg/azuredevops/pipelines:
+    config:
+      include-regex: ".*Client"
+      dir: "{{.InterfaceDir}}/mocks"
+      outpkg: "{{.PackageName}}mocks"

cmd/image-builder/config.go

@@ -4,12 +4,14 @@ import (
 	"fmt"
 	"os"
 
+	adoPipelines "github.com/kyma-project/test-infra/pkg/azuredevops/pipelines"
 	"github.com/kyma-project/test-infra/pkg/sign"
 	"github.com/kyma-project/test-infra/pkg/tags"
 	"gopkg.in/yaml.v3"
 )
 
 type Config struct {
+	AdoConfig adoPipelines.Config `yaml:"ado-config,omitempty" json:"ado-config,omitempty"`
 	// Registry is URL where clean build should land.
 	Registry Registry `yaml:"registry" json:"registry"`
 	// DevRegistry is Registry URL where development/dirty images should land.

cmd/image-builder/images/kaniko/Dockerfile

@@ -1,5 +1,12 @@
-FROM gcr.io/kaniko-project/executor:v1.9.0
+FROM europe-docker.pkg.dev/kyma-project/prod/testimages/buildpack-go:v20231128-9bb59ac6 AS builder
 
-COPY ./image-builder /image-builder
+WORKDIR /
+COPY . /app/
+RUN cd /app/cmd/image-builder && CGO_ENABLED=0 go build -o /app/image-builder -a -ldflags '-extldflags "-static"' .
 
-ENTRYPOINT ["/image-builder"]
+
+FROM gcr.io/kaniko-project/executor:v1.14.0
+
+COPY --from=builder /app/image-builder /image-builder
+
+ENTRYPOINT ["/image-builder"]