/
osbuild.go
276 lines (237 loc) · 9.41 KB
/
osbuild.go
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package manifests
import (
"context"
"encoding/json"
"fmt"
"os"
"path"
_ "github.com/golang/mock/mockgen/model"
corev1 "k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/api/errors"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/runtime/schema"
ctrl "sigs.k8s.io/controller-runtime"
"sigs.k8s.io/controller-runtime/pkg/client"
"sigs.k8s.io/controller-runtime/pkg/controller/controllerutil"
"sigs.k8s.io/controller-runtime/pkg/log"
osbuildv1alpha1 "github.com/project-flotta/osbuild-operator/api/v1alpha1"
"github.com/project-flotta/osbuild-operator/internal/conf"
"github.com/project-flotta/osbuild-operator/internal/customizations"
"github.com/project-flotta/osbuild-operator/internal/repository/configmap"
repositoryosbuild "github.com/project-flotta/osbuild-operator/internal/repository/osbuild"
repositoryosbuildconfig "github.com/project-flotta/osbuild-operator/internal/repository/osbuildconfig"
"github.com/project-flotta/osbuild-operator/internal/repository/osbuildconfigtemplate"
"github.com/project-flotta/osbuild-operator/internal/templates"
)
//go:generate mockgen -package=manifests -source=osbuild.go -destination=mock_osbuildcrcreator.go
type OSBuildCRCreator interface {
Create(ctx context.Context, osBuildConfig *osbuildv1alpha1.OSBuildConfig, targetImageType osbuildv1alpha1.TargetImageType) error
}
type OSBuildCreator struct {
Scheme *runtime.Scheme
OSBuildRepository repositoryosbuild.Repository
OSBuildConfigTemplateRepository osbuildconfigtemplate.Repository
ConfigMapRepository configmap.Repository
OSBuildConfigRepository repositoryosbuildconfig.Repository
}
var zero int
func NewOSBuildCRCreator(osBuildConfigRepository repositoryosbuildconfig.Repository,
osBuildRepository repositoryosbuild.Repository, scheme *runtime.Scheme,
osBuildConfigTemplateRepository osbuildconfigtemplate.Repository,
configMapRepository configmap.Repository) *OSBuildCreator {
return &OSBuildCreator{
Scheme: scheme,
OSBuildRepository: osBuildRepository,
OSBuildConfigTemplateRepository: osBuildConfigTemplateRepository,
ConfigMapRepository: configMapRepository,
OSBuildConfigRepository: osBuildConfigRepository,
}
}
func (o *OSBuildCreator) Create(ctx context.Context, osBuildConfig *osbuildv1alpha1.OSBuildConfig, targetImageType osbuildv1alpha1.TargetImageType) error {
logger := log.FromContext(ctx)
lastVersion := osBuildConfig.Status.LastVersion
if lastVersion == nil {
lastVersion = &zero
}
osBuildNewVersion := *lastVersion + 1
osBuildName := fmt.Sprintf("%s-%d", osBuildConfig.Name, osBuildNewVersion)
osBuild := &osbuildv1alpha1.OSBuild{
ObjectMeta: metav1.ObjectMeta{
Name: osBuildName,
Namespace: osBuildConfig.Namespace,
},
Spec: osbuildv1alpha1.OSBuildSpec{
TriggeredBy: "UpdateCR",
},
}
osBuildConfigSpecDetails := osBuildConfig.Spec.Details.DeepCopy()
err := mergeRepositories(osBuildConfigSpecDetails)
if err != nil {
logger.Error(err, "failed to merge repositories list")
return err
}
osConfigTemplate, err := o.applyTemplate(ctx, osBuildConfig, osBuildConfigSpecDetails)
if err != nil {
logger.Error(err, "cannot apply template to osBuild")
return err
}
var kickstartConfigMap *corev1.ConfigMap
if targetImageType == osbuildv1alpha1.EdgeInstallerImageType {
//[ECOPROJECT-917] TODO: build it by two steps and use two OSBuild instances
osBuild.Spec.Details = osBuildConfigSpecDetails
if osConfigTemplate != nil {
kickstartConfigMap, err = o.createKickstartConfigMap(ctx, osBuildConfig, osConfigTemplate, osBuildName, osBuild.Namespace)
if err != nil {
return err
}
// TODO: uncomment when the edge-installer creation is activated
//if kickstartConfigMap != nil {
// osBuild.Spec.EdgeInstallerDetails.Kickstart = &osbuildv1alpha1.NameRef{Name: osBuildName}
//}
}
} else {
osBuild.Spec.Details = osBuildConfigSpecDetails
}
// Set the owner of the osBuild CR to be osBuildConfig in order to manage lifecycle of the osBuild CR.
// Especially in deletion of osBuildConfig CR
err = controllerutil.SetControllerReference(osBuildConfig, osBuild, o.Scheme)
if err != nil {
logger.Error(err, "cannot create osBuild")
return err
}
patch := client.MergeFrom(osBuildConfig.DeepCopy())
osBuildConfig.Status.LastVersion = &osBuildNewVersion
if osConfigTemplate != nil {
osBuildConfig.Status.CurrentTemplateResourceVersion = &osConfigTemplate.ResourceVersion
osBuildConfig.Status.LastTemplateResourceVersion = &osConfigTemplate.ResourceVersion
}
err = o.OSBuildConfigRepository.PatchStatus(ctx, osBuildConfig, &patch)
if err != nil {
logger.Error(err, "cannot update the field lastVersion of osBuildConfig")
return err
}
err = o.OSBuildRepository.Create(ctx, osBuild)
if err != nil {
logger.Error(err, "cannot create osBuild")
return err
}
// set the owner of the kickstart file to be the osBuild instance only if it was created
if kickstartConfigMap != nil {
err = o.setKickstartConfigMapOwner(ctx, kickstartConfigMap, osBuild)
if err != nil {
logger.Error(err, "cannot set controller reference to kickstart config map")
return err
}
}
logger.Info("A new OSBuild CR was created", "OSBuild", osBuild.Name)
return nil
}
func mergeRepositories(osBuildConfigSpecDetails *osbuildv1alpha1.BuildDetails) error {
repos, err := getDefaultRepositories(osBuildConfigSpecDetails.Distribution, osBuildConfigSpecDetails.TargetImage.Architecture)
if err != nil {
return nil
}
if osBuildConfigSpecDetails.TargetImage.Repositories != nil {
repos = append(repos, *osBuildConfigSpecDetails.TargetImage.Repositories...)
}
osBuildConfigSpecDetails.TargetImage.Repositories = &repos
return nil
}
func getDefaultRepositories(distribution string, arch osbuildv1alpha1.Architecture) ([]osbuildv1alpha1.Repository, error) {
reposJsonPath := path.Join(conf.GlobalConf.RepositoriesDir, fmt.Sprintf("%s.json", distribution))
reposJson, err := os.ReadFile(reposJsonPath)
if err != nil {
if os.IsNotExist(err) {
return []osbuildv1alpha1.Repository{}, nil
}
return nil, err
}
var archsMap map[string][]osbuildv1alpha1.Repository
err = json.Unmarshal([]byte(reposJson), &archsMap)
if err != nil {
return nil, err
}
archRepos, ok := archsMap[string(arch)]
if !ok {
return []osbuildv1alpha1.Repository{}, nil
}
return archRepos, nil
}
func (o *OSBuildCreator) applyTemplate(ctx context.Context, osBuildConfig *osbuildv1alpha1.OSBuildConfig, osBuildConfigSpecDetails *osbuildv1alpha1.BuildDetails) (*osbuildv1alpha1.OSBuildConfigTemplate, error) {
var osConfigTemplate *osbuildv1alpha1.OSBuildConfigTemplate
if template := osBuildConfig.Spec.Template; template != nil {
var err error
osConfigTemplate, err = o.OSBuildConfigTemplateRepository.Read(ctx, template.OSBuildConfigTemplateRef, osBuildConfig.Namespace)
if err != nil {
return nil, err
}
osBuildConfigSpecDetails.Customizations = customizations.MergeCustomizations(osConfigTemplate.Spec.Customizations, osBuildConfigSpecDetails.Customizations)
}
return osConfigTemplate, nil
}
func (o *OSBuildCreator) setKickstartConfigMapOwner(ctx context.Context, kickstartConfigMap *corev1.ConfigMap, osBuild *osbuildv1alpha1.OSBuild) error {
oldConfigMap := kickstartConfigMap.DeepCopy()
err := controllerutil.SetOwnerReference(osBuild, kickstartConfigMap, o.Scheme)
if err != nil {
return err
}
return o.ConfigMapRepository.Patch(ctx, oldConfigMap, kickstartConfigMap)
}
func (o *OSBuildCreator) createKickstartConfigMap(ctx context.Context, osBuildConfig *osbuildv1alpha1.OSBuildConfig, osConfigTemplate *osbuildv1alpha1.OSBuildConfigTemplate, name, namespace string) (*corev1.ConfigMap, error) {
kickstart, err := o.getKickstart(ctx, osConfigTemplate, osBuildConfig)
if err != nil {
return nil, err
}
if kickstart == nil {
return nil, nil
}
cm, err := o.ConfigMapRepository.Read(ctx, name, namespace)
if err == nil {
// CM has already been created, returning it
return cm, nil
}
if !errors.IsNotFound(err) {
return nil, err
}
cm = &corev1.ConfigMap{
ObjectMeta: ctrl.ObjectMeta{
Name: name,
Namespace: namespace,
},
Data: map[string]string{
"kickstart": *kickstart,
},
}
err = o.ConfigMapRepository.Create(ctx, cm)
if err != nil {
return nil, err
}
return cm, nil
}
func (o *OSBuildCreator) getKickstart(ctx context.Context, osConfigTemplate *osbuildv1alpha1.OSBuildConfigTemplate, osBuildConfig *osbuildv1alpha1.OSBuildConfig) (*string, error) {
if osConfigTemplate.Spec.Iso == nil || osConfigTemplate.Spec.Iso.Kickstart == nil {
return nil, nil
}
if osConfigTemplate.Spec.Iso.Kickstart.Raw == nil && osConfigTemplate.Spec.Iso.Kickstart.ConfigMapName == nil {
return nil, nil
}
var kickstartTemplate string
if osConfigTemplate.Spec.Iso.Kickstart.Raw != nil {
kickstartTemplate = *osConfigTemplate.Spec.Iso.Kickstart.Raw
} else {
cm, err := o.ConfigMapRepository.Read(ctx, *osConfigTemplate.Spec.Iso.Kickstart.ConfigMapName, osBuildConfig.Namespace)
if err != nil {
return nil, err
}
var ok bool
if kickstartTemplate, ok = cm.Data["kickstart"]; !ok {
return nil, errors.NewNotFound(schema.GroupResource{Group: "configmap", Resource: "key"}, "kickstart")
}
}
finalKickstart, err := templates.ProcessOSBuildConfigTemplate(kickstartTemplate, osConfigTemplate.Spec.Parameters, osBuildConfig.Spec.Template.Parameters)
if err != nil {
return nil, err
}
return &finalKickstart, nil
}