/
ssp.go
254 lines (212 loc) · 7.82 KB
/
ssp.go
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package operands
import (
"errors"
"fmt"
"io/fs"
"os"
"path"
"path/filepath"
"reflect"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/runtime"
"sigs.k8s.io/controller-runtime/pkg/client"
sspv1beta1 "kubevirt.io/ssp-operator/api/v1beta1"
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"
hcoutil "github.com/kubevirt/hyperconverged-cluster-operator/pkg/util"
)
const (
// This is initially set to 2 replicas, to maintain the behavior of the previous SSP operator.
// After SSP implements its defaulting webhook, we can change this to 0 replicas,
// and let the webhook set the default.
defaultTemplateValidatorReplicas = 2
defaultCommonTemplatesNamespace = hcoutil.OpenshiftNamespace
dataImportCronTemplatesFileLocation = "./dataImportCronTemplates"
)
var (
// dataImportCronTemplateHardCodedList are set of data import cron template configurations. The handler reads a list
// of data import cron templates from a local file and updates SSP with the up-to-date list
dataImportCronTemplateHardCodedList []sspv1beta1.DataImportCronTemplate
dataImportCronTemplateHardCodedNames map[string]struct{}
)
func init() {
if err := readDataImportCronTemplatesFromFile(); err != nil {
panic(fmt.Errorf("can't process the data import cron template file; %s; %w", err.Error(), err))
}
}
type sspHandler struct {
genericOperand
}
func newSspHandler(Client client.Client, Scheme *runtime.Scheme) *sspHandler {
return &sspHandler{
genericOperand: genericOperand{
Client: Client,
Scheme: Scheme,
crType: "SSP",
removeExistingOwner: false,
setControllerReference: false,
hooks: &sspHooks{},
},
}
}
type sspHooks struct {
cache *sspv1beta1.SSP
}
func (h *sspHooks) getFullCr(hc *hcov1beta1.HyperConverged) (client.Object, error) {
if h.cache == nil {
ssp, err := NewSSP(hc)
if err != nil {
return nil, err
}
h.cache = ssp
}
return h.cache, nil
}
func (h sspHooks) getEmptyCr() client.Object { return &sspv1beta1.SSP{} }
func (h sspHooks) getConditions(cr runtime.Object) []metav1.Condition {
return osConditionsToK8s(cr.(*sspv1beta1.SSP).Status.Conditions)
}
func (h sspHooks) checkComponentVersion(cr runtime.Object) bool {
found := cr.(*sspv1beta1.SSP)
return checkComponentVersion(hcoutil.SspVersionEnvV, found.Status.ObservedVersion)
}
func (h sspHooks) getObjectMeta(cr runtime.Object) *metav1.ObjectMeta {
return &cr.(*sspv1beta1.SSP).ObjectMeta
}
func (h *sspHooks) reset() {
h.cache = nil
}
func (h *sspHooks) updateCr(req *common.HcoRequest, client client.Client, exists runtime.Object, required runtime.Object) (bool, bool, error) {
ssp, ok1 := required.(*sspv1beta1.SSP)
found, ok2 := exists.(*sspv1beta1.SSP)
if !ok1 || !ok2 {
return false, false, errors.New("can't convert to SSP")
}
if !reflect.DeepEqual(found.Spec, ssp.Spec) ||
!reflect.DeepEqual(found.Labels, ssp.Labels) {
if req.HCOTriggered {
req.Logger.Info("Updating existing SSP's Spec to new opinionated values")
} else {
req.Logger.Info("Reconciling an externally updated SSP's Spec to its opinionated values")
}
util.DeepCopyLabels(&ssp.ObjectMeta, &found.ObjectMeta)
ssp.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
}
func NewSSP(hc *hcov1beta1.HyperConverged, opts ...string) (*sspv1beta1.SSP, error) {
replicas := int32(defaultTemplateValidatorReplicas)
templatesNamespace := defaultCommonTemplatesNamespace
if hc.Spec.CommonTemplatesNamespace != nil {
templatesNamespace = *hc.Spec.CommonTemplatesNamespace
}
applyDataImportSchedule(hc)
dataImportCronTemplates, err := getDataImportCronTemplates(hc)
if err != nil {
return nil, err
}
spec := sspv1beta1.SSPSpec{
TemplateValidator: sspv1beta1.TemplateValidator{
Replicas: &replicas,
},
CommonTemplates: sspv1beta1.CommonTemplates{
Namespace: templatesNamespace,
DataImportCronTemplates: dataImportCronTemplates,
},
// NodeLabeller field is explicitly initialized to its zero-value,
// in order to future-proof from bugs if SSP changes it to pointer-type,
// causing nil pointers dereferences at the DeepCopyInto() below.
NodeLabeller: sspv1beta1.NodeLabeller{},
}
if hc.Spec.Infra.NodePlacement != nil {
spec.TemplateValidator.Placement = hc.Spec.Infra.NodePlacement.DeepCopy()
}
if hc.Spec.Workloads.NodePlacement != nil {
spec.NodeLabeller.Placement = hc.Spec.Workloads.NodePlacement.DeepCopy()
}
ssp := NewSSPWithNameOnly(hc)
ssp.Spec = spec
return ssp, nil
}
func NewSSPWithNameOnly(hc *hcov1beta1.HyperConverged, opts ...string) *sspv1beta1.SSP {
return &sspv1beta1.SSP{
ObjectMeta: metav1.ObjectMeta{
Name: "ssp-" + hc.Name,
Labels: getLabels(hc, hcoutil.AppComponentSchedule),
Namespace: getNamespace(hc.Namespace, opts),
},
}
}
var getDataImportCronTemplatesFileLocation = func() string {
return dataImportCronTemplatesFileLocation
}
func readDataImportCronTemplatesFromFile() error {
dataImportCronTemplateHardCodedList = make([]sspv1beta1.DataImportCronTemplate, 0)
dataImportCronTemplateHardCodedNames = make(map[string]struct{})
fileLocation := getDataImportCronTemplatesFileLocation()
err := util.ValidateManifestDir(fileLocation)
if err != nil {
return errors.Unwrap(err) // if not wrapped, then it's not an error that stops processing, and it returns nil
}
return filepath.Walk(fileLocation, func(filePath string, info fs.FileInfo, internalErr error) error {
if internalErr != nil {
return internalErr
}
if !info.IsDir() && path.Ext(info.Name()) == ".yaml" {
file, internalErr := os.Open(filePath)
if internalErr != nil {
logger.Error(internalErr, "Can't open the dataImportCronTemplate yaml file", "file name", filePath)
return internalErr
}
dataImportCronTemplateFromFile := make([]sspv1beta1.DataImportCronTemplate, 0)
internalErr = util.UnmarshalYamlFileToObject(file, &dataImportCronTemplateFromFile)
if internalErr != nil {
return internalErr
}
dataImportCronTemplateHardCodedList = append(dataImportCronTemplateHardCodedList, dataImportCronTemplateFromFile...)
for _, dict := range dataImportCronTemplateFromFile {
dataImportCronTemplateHardCodedNames[dict.Name] = struct{}{}
}
}
return nil
})
}
func getDataImportCronTemplates(hc *hcov1beta1.HyperConverged) ([]sspv1beta1.DataImportCronTemplate, error) {
if err := validateDataImportCronTemplates(hc); err != nil {
return nil, err
}
var dataImportCronTemplateList []sspv1beta1.DataImportCronTemplate = nil
if hc.Spec.FeatureGates.EnableCommonBootImageImport {
dataImportCronTemplateList = append(dataImportCronTemplateList, dataImportCronTemplateHardCodedList...)
}
dataImportCronTemplateList = append(dataImportCronTemplateList, hc.Spec.DataImportCronTemplates...)
return dataImportCronTemplateList, nil
}
func validateDataImportCronTemplates(hc *hcov1beta1.HyperConverged) error {
dictNames := make(map[string]struct{})
for _, dict := range hc.Spec.DataImportCronTemplates {
_, foundCommon := dataImportCronTemplateHardCodedNames[dict.Name]
_, foundCustom := dictNames[dict.Name]
if foundCustom || foundCommon {
return fmt.Errorf("%s DataImportCronTable is already defined", dict.Name)
}
dictNames[dict.Name] = struct{}{}
}
return nil
}
func applyDataImportSchedule(hc *hcov1beta1.HyperConverged) {
if hc.Status.DataImportSchedule != "" {
overrideDataImportSchedule(hc.Status.DataImportSchedule)
}
}
func overrideDataImportSchedule(schedule string) {
for i := 0; i < len(dataImportCronTemplateHardCodedList); i++ {
dataImportCronTemplateHardCodedList[i].Spec.Schedule = schedule
}
}