/
quickStart.go
180 lines (150 loc) · 5.55 KB
/
quickStart.go
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package operands
import (
"context"
"errors"
"os"
filepath "path/filepath"
"reflect"
"strings"
log "github.com/go-logr/logr"
consolev1 "github.com/openshift/api/console/v1"
extv1 "k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1"
apierrors "k8s.io/apimachinery/pkg/api/errors"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/runtime"
"sigs.k8s.io/controller-runtime/pkg/client"
hcov1beta1 "github.com/kubevirt/hyperconverged-cluster-operator/pkg/apis/hco/v1beta1"
"github.com/kubevirt/hyperconverged-cluster-operator/pkg/controller/common"
"github.com/kubevirt/hyperconverged-cluster-operator/pkg/util"
)
// ConsoleQuickStart resources are a short user guids
const (
consoleQuickStartCrdName = "consolequickstarts.console.openshift.io"
customResourceDefinitionName = "CustomResourceDefinition"
quickStartManifestLocationVarName = "QUICK_START_FILES_LOCATION"
quickStartDefaultManifestLocation = "./quickStart"
)
var quickstartNames []string
func newQuickStartHandler(Client client.Client, Scheme *runtime.Scheme, required *consolev1.ConsoleQuickStart) Operand {
h := &genericOperand{
Client: Client,
Scheme: Scheme,
crType: "ConsoleQuickStart",
// Previous versions used to have HCO-operator (scope namespace)
// as the owner of NetworkAddons (scope cluster).
// It's not legal, so remove that.
removeExistingOwner: false,
hooks: &qsHooks{required: required},
}
return h
}
type qsHooks struct {
required *consolev1.ConsoleQuickStart
}
func (h qsHooks) getFullCr(_ *hcov1beta1.HyperConverged) (client.Object, error) {
return h.required.DeepCopy(), nil
}
func (h qsHooks) getEmptyCr() client.Object {
return &consolev1.ConsoleQuickStart{
ObjectMeta: metav1.ObjectMeta{
Name: h.required.Name,
},
}
}
func (h qsHooks) getObjectMeta(cr runtime.Object) *metav1.ObjectMeta {
return &cr.(*consolev1.ConsoleQuickStart).ObjectMeta
}
func (h qsHooks) updateCr(req *common.HcoRequest, Client client.Client, exists runtime.Object, _ runtime.Object) (bool, bool, error) {
found, ok := exists.(*consolev1.ConsoleQuickStart)
if !ok {
return false, false, errors.New("can't convert to ConsoleQuickStart")
}
if !reflect.DeepEqual(found.Spec, h.required.Spec) ||
!reflect.DeepEqual(found.Labels, h.required.Labels) {
if req.HCOTriggered {
req.Logger.Info("Updating existing ConsoleQuickStart's Spec to new opinionated values", "name", h.required.Name)
} else {
req.Logger.Info("Reconciling an externally updated ConsoleQuickStart's Spec to its opinionated values", "name", h.required.Name)
}
util.DeepCopyLabels(&h.required.ObjectMeta, &found.ObjectMeta)
h.required.Spec.DeepCopyInto(&found.Spec)
err := Client.Update(req.Ctx, found)
if err != nil {
return false, false, err
}
return true, !req.HCOTriggered, nil
}
return false, false, nil
}
// This function returns 3-state error:
// err := checkCrdExists(...)
// err == nil - OK, CRD exists
// err != nil && errors.Unwrap(err) == nil - CRD does not exist, but that ok
// err != nil && errors.Unwrap(err) != nil - actual error
func checkCrdExists(ctx context.Context, Client client.Client, logger log.Logger) error {
qsCrd := &extv1.CustomResourceDefinition{
TypeMeta: metav1.TypeMeta{
Kind: customResourceDefinitionName,
},
ObjectMeta: metav1.ObjectMeta{
Name: consoleQuickStartCrdName,
},
}
logger.Info("Read the ConsoleQuickStart CRD")
if err := Client.Get(ctx, client.ObjectKeyFromObject(qsCrd), qsCrd); err != nil {
if apierrors.IsNotFound(err) {
return util.NewProcessingError(nil)
}
return util.NewProcessingError(err)
}
return nil
}
func getQuickStartHandlers(logger log.Logger, Client client.Client, Scheme *runtime.Scheme, hc *hcov1beta1.HyperConverged) ([]Operand, error) {
err := checkCrdExists(context.TODO(), Client, logger)
if err != nil {
return nil, errors.Unwrap(err)
}
filesLocation := util.GetManifestDirPath(quickStartManifestLocationVarName, quickStartDefaultManifestLocation)
err = util.ValidateManifestDir(filesLocation)
if err != nil {
return nil, errors.Unwrap(err) // if not wrapped, then it's not an error that stops processing, and it return nil
}
return createQuickstartHandlersFromFiles(logger, Client, Scheme, hc, filesLocation)
}
func createQuickstartHandlersFromFiles(logger log.Logger, Client client.Client, Scheme *runtime.Scheme, hc *hcov1beta1.HyperConverged, filesLocation string) ([]Operand, error) {
var handlers []Operand
quickstartNames = []string{}
err := filepath.Walk(filesLocation, func(path string, info os.FileInfo, err error) error {
if err != nil {
return err
}
qs, err := processQuickstartFile(path, info, logger, hc, Client, Scheme)
if err != nil {
return err
}
if qs != nil {
handlers = append(handlers, qs)
}
return nil
})
return handlers, err
}
func processQuickstartFile(path string, info os.FileInfo, logger log.Logger, hc *hcov1beta1.HyperConverged, Client client.Client, Scheme *runtime.Scheme) (Operand, error) {
if !info.IsDir() && strings.HasSuffix(info.Name(), ".yaml") {
file, err := os.Open(path)
if err != nil {
logger.Error(err, "Can't open the quickStart yaml file", "file name", path)
return nil, err
}
qs := &consolev1.ConsoleQuickStart{}
err = util.UnmarshalYamlFileToObject(file, qs)
if err != nil {
logger.Error(err, "Can't generate a ConsoleQuickStart object from yaml file", "file name", path)
} else {
qs.Labels = getLabels(hc, util.AppComponentCompute)
quickstartNames = append(quickstartNames, qs.Name)
return newQuickStartHandler(Client, Scheme, qs), nil
}
}
return nil, nil
}