/
k8smodels.go
277 lines (242 loc) · 7.85 KB
/
k8smodels.go
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package models
import (
"context"
"reflect"
"k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
"k8s.io/apimachinery/pkg/runtime"
"yunion.io/x/jsonutils"
"yunion.io/x/log"
"yunion.io/x/onecloud/pkg/cloudcommon/db"
"yunion.io/x/onecloud/pkg/cloudcommon/db/lockman"
"yunion.io/x/onecloud/pkg/httperrors"
"yunion.io/x/onecloud/pkg/mcclient"
"yunion.io/x/pkg/errors"
"yunion.io/x/pkg/object"
"yunion.io/x/sqlchemy"
"yunion.io/x/kubecomps/pkg/kubeserver/api"
"yunion.io/x/kubecomps/pkg/kubeserver/client"
"yunion.io/x/kubecomps/pkg/kubeserver/k8s/common/model"
"yunion.io/x/kubecomps/pkg/kubeserver/models/manager"
)
var globalK8sModelManagers map[model.K8sResourceInfo]IK8sModelManager
func init() {
model.GetK8sModelManagerByKind = func(kindName string) model.IModelManager {
return GetK8sResourceManagerByKind(kindName).(model.IModelManager)
}
}
type IK8sModelManager interface {
lockman.ILockedClass
object.IObject
GetK8sResourceInfo() model.K8sResourceInfo
}
func RegisterK8sModelManager(man IK8sModelManager) {
if globalK8sModelManagers == nil {
globalK8sModelManagers = make(map[model.K8sResourceInfo]IK8sModelManager)
}
globalK8sModelManagers[man.GetK8sResourceInfo()] = man
}
func GetOriginK8sModelManager(kindName string) IK8sModelManager {
for rsInfo, man := range globalK8sModelManagers {
if rsInfo.KindName == kindName {
return man
}
}
return nil
}
// GetK8sResourceManagerByKind used by bidirect sync
func GetK8sResourceManagerByKind(kindName string) manager.IK8sResourceManager {
man := GetOriginK8sModelManager(kindName)
if man == nil {
return nil
}
return man.(manager.IK8sResourceManager)
}
func GetK8sModelManagerByKind(kindName string) model.IK8sModelManager {
man := GetOriginK8sModelManager(kindName)
if man == nil {
return nil
}
return man.(model.IK8sModelManager)
}
func newModelManager(factory func() db.IModelManager) db.IModelManager {
man := factory()
man.SetVirtualObject(man)
return man
}
func newK8sModelManager(factoryF func() ISyncableManager) ISyncableManager {
man := newModelManager(func() db.IModelManager {
return factoryF()
}).(ISyncableManager)
man.InitOwnedManager(man)
RegisterK8sModelManager(man)
return man
}
func NewK8sModelManager(factoryF func() ISyncableManager) ISyncableManager {
man := newK8sModelManager(factoryF)
GetClusterManager().AddSubManager(man)
return man
}
func NewK8sNamespaceModelManager(factoryF func() ISyncableManager) ISyncableManager {
man := newK8sModelManager(factoryF)
GetNamespaceManager().AddSubManager(man)
return man
}
type SK8sOwnedResourceBaseManager struct {
ownedManager IClusterModelManager
}
func newK8sOwnedResourceManager(ownedMan IClusterModelManager) SK8sOwnedResourceBaseManager {
return SK8sOwnedResourceBaseManager{ownedManager: ownedMan}
}
type IK8sOwnedResource interface {
IsOwnedBy(ownerModel IClusterModel) (bool, error)
}
func (m SK8sOwnedResourceBaseManager) newOwnedModel(obj jsonutils.JSONObject) (IK8sOwnedResource, error) {
model, err := db.NewModelObject(m.ownedManager)
if err != nil {
return nil, errors.Wrap(err, "db.NewModelObject")
}
if err := obj.Unmarshal(model); err != nil {
return nil, errors.Wrap(err, "json marshal")
}
return model.(IK8sOwnedResource), nil
}
func (m SK8sOwnedResourceBaseManager) CustomizeFilterList(ctx context.Context, q *sqlchemy.SQuery, userCred mcclient.TokenCredential, query jsonutils.JSONObject) (*db.CustomizeListFilters, error) {
input := new(api.ListInputOwner)
if err := query.Unmarshal(input); err != nil {
return nil, err
}
filters := db.NewCustomizeListFilters()
if !input.ShouldDo() {
return filters, nil
}
man := GetK8sResourceManagerByKind(input.OwnerKind)
if man == nil {
return filters, httperrors.NewNotFoundError("Not found owner_kind %s", input.OwnerKind)
}
ff := func(obj jsonutils.JSONObject) (bool, error) {
model, err := m.newOwnedModel(obj)
if err != nil {
return false, errors.Wrap(err, "newOwnedModel")
}
clusterId, _ := obj.GetString("cluster_id")
namespaceId, _ := obj.GetString("namespace_id")
ownerModel, err := FetchClusterResourceByIdOrName(man.(IClusterModelManager), userCred, clusterId, namespaceId, input.OwnerName)
if err != nil {
return false, errors.Wrapf(err, "get %s/%s/%s/%s", clusterId, namespaceId, input.OwnerKind, input.OwnerName)
}
return model.IsOwnedBy(ownerModel)
}
filters.Append(ff)
return filters, nil
}
type IPodOwnerModel interface {
IClusterModel
GetRawPods(cli *client.ClusterManager, obj runtime.Object) ([]*v1.Pod, error)
}
func IsPodOwner(owner IPodOwnerModel, pod *SPod) (bool, error) {
ownerObj, err := GetK8sObject(owner)
if err != nil {
return false, errors.Wrap(err, "get owner k8s object")
}
cli, err := owner.GetClusterClient()
if err != nil {
return false, errors.Wrap(err, "get cluster client")
}
pods, err := owner.GetRawPods(cli, ownerObj)
if err != nil {
return false, errors.Wrap(err, "get owner raw pods")
}
p, err := GetK8sObject(pod)
if err != nil {
return false, errors.Wrap(err, "get k8s pod")
}
return IsObjectContains(p.(*v1.Pod), pods), nil
}
type IServiceOwnerModel interface {
IClusterModel
GetRawServices(cli *client.ClusterManager, obj runtime.Object) ([]*v1.Service, error)
}
func IsServiceOwner(owner IServiceOwnerModel, svc *SService) (bool, error) {
ownerObj, err := GetK8sObject(owner)
if err != nil {
return false, errors.Wrap(err, "get owner k8s object")
}
cli, err := owner.GetClusterClient()
if err != nil {
return false, errors.Wrap(err, "get cluster client")
}
svcs, err := owner.GetRawServices(cli, ownerObj)
if err != nil {
return false, errors.Wrap(err, "get owner raw services")
}
obj, err := GetK8sObject(svc)
if err != nil {
return false, errors.Wrap(err, "get k8s service")
}
return IsObjectContains(obj.(*v1.Service), svcs), nil
}
func IsObjectContains(obj metav1.Object, objs interface{}) bool {
objsV := reflect.ValueOf(objs)
for i := 0; i < objsV.Len(); i++ {
ov := objsV.Index(i).Interface().(metav1.Object)
if obj.GetUID() == ov.GetUID() {
return true
}
}
return false
}
type UnstructuredResourceBase struct{}
func (_ UnstructuredResourceBase) GetUnstructuredObject(m model.IK8sModel) *unstructured.Unstructured {
return m.GetK8sObject().(*unstructured.Unstructured)
}
func (res UnstructuredResourceBase) GetRawJSONObject(m model.IK8sModel) (jsonutils.JSONObject, error) {
rawObj := res.GetUnstructuredObject(m)
jsonBytes, err := rawObj.MarshalJSON()
if err != nil {
return nil, err
}
jsonObj, err := jsonutils.Parse(jsonBytes)
if err != nil {
return nil, errors.Wrapf(err, "parse json bytes %q", string(jsonBytes))
}
return jsonObj, nil
}
type IUnstructuredOutput interface {
SetObjectMeta(meta api.ObjectMeta) *api.ObjectTypeMeta
SetTypeMeta(meta api.TypeMeta) *api.ObjectTypeMeta
}
type IK8SUnstructuredModel interface {
model.IK8sModel
FillAPIObjectBySpec(rawObjSpec jsonutils.JSONObject, output IUnstructuredOutput) error
FillAPIObjectByStatus(rawObjStatus jsonutils.JSONObject, output IUnstructuredOutput) error
}
func (res UnstructuredResourceBase) ConvertToAPIObject(m IK8SUnstructuredModel, output IUnstructuredOutput) error {
objMeta, err := m.GetObjectMeta()
if err != nil {
return errors.Wrap(err, "GetObjectMeta")
}
output.SetObjectMeta(objMeta).SetTypeMeta(m.GetTypeMeta())
jsonObj, err := res.GetRawJSONObject(m)
if err != nil {
return errors.Wrap(err, "get json object")
}
specObj, err := jsonObj.Get("spec")
if err != nil {
log.Errorf("Get spec object error: %v", err)
} else {
if err := m.FillAPIObjectBySpec(specObj, output); err != nil {
log.Errorf("FillAPIObjectBySpec error: %v", err)
}
}
statusObj, err := jsonObj.Get("status")
if err != nil {
log.Errorf("Get status object error: %v", err)
} else {
if err := m.FillAPIObjectByStatus(statusObj, output); err != nil {
log.Errorf("FillAPIObjectByStatus error: %v", err)
}
}
return nil
}