feat: add crd gen

Signed-off-by: runzexia <runzexia@yunify.com>
2019-07-30 13:36:54 +08:00
parent 9ce52aeb00
commit 1c10391faf
817 changed files with 203429 additions and 27953 deletions
--- a/vendor/k8s.io/apiserver/pkg/endpoints/handlers/update.go
+++ b/vendor/k8s.io/apiserver/pkg/endpoints/handlers/update.go
@@ -0,0 +1,228 @@
+/*
+Copyright 2017 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package handlers
+
+import (
+	"context"
+	"fmt"
+	"net/http"
+	"sync"
+	"time"
+
+	"k8s.io/apimachinery/pkg/api/errors"
+	metainternalversion "k8s.io/apimachinery/pkg/apis/meta/internalversion"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/apis/meta/v1/validation"
+	"k8s.io/apimachinery/pkg/runtime"
+	"k8s.io/apimachinery/pkg/runtime/schema"
+	"k8s.io/apiserver/pkg/admission"
+	"k8s.io/apiserver/pkg/audit"
+	"k8s.io/apiserver/pkg/authorization/authorizer"
+	"k8s.io/apiserver/pkg/endpoints/handlers/negotiation"
+	"k8s.io/apiserver/pkg/endpoints/request"
+	"k8s.io/apiserver/pkg/features"
+	"k8s.io/apiserver/pkg/registry/rest"
+	"k8s.io/apiserver/pkg/util/dryrun"
+	utilfeature "k8s.io/apiserver/pkg/util/feature"
+	utiltrace "k8s.io/apiserver/pkg/util/trace"
+)
+
+// UpdateResource returns a function that will handle a resource update
+func UpdateResource(r rest.Updater, scope RequestScope, admit admission.Interface) http.HandlerFunc {
+	return func(w http.ResponseWriter, req *http.Request) {
+		// For performance tracking purposes.
+		trace := utiltrace.New("Update " + req.URL.Path)
+		defer trace.LogIfLong(500 * time.Millisecond)
+
+		if isDryRun(req.URL) && !utilfeature.DefaultFeatureGate.Enabled(features.DryRun) {
+			scope.err(errors.NewBadRequest("the dryRun alpha feature is disabled"), w, req)
+			return
+		}
+
+		// TODO: we either want to remove timeout or document it (if we document, move timeout out of this function and declare it in api_installer)
+		timeout := parseTimeout(req.URL.Query().Get("timeout"))
+
+		namespace, name, err := scope.Namer.Name(req)
+		if err != nil {
+			scope.err(err, w, req)
+			return
+		}
+		ctx := req.Context()
+		ctx = request.WithNamespace(ctx, namespace)
+
+		body, err := limitedReadBody(req, scope.MaxRequestBodyBytes)
+		if err != nil {
+			scope.err(err, w, req)
+			return
+		}
+
+		options := &metav1.UpdateOptions{}
+		if err := metainternalversion.ParameterCodec.DecodeParameters(req.URL.Query(), scope.MetaGroupVersion, options); err != nil {
+			err = errors.NewBadRequest(err.Error())
+			scope.err(err, w, req)
+			return
+		}
+		if errs := validation.ValidateUpdateOptions(options); len(errs) > 0 {
+			err := errors.NewInvalid(schema.GroupKind{Group: metav1.GroupName, Kind: "UpdateOptions"}, "", errs)
+			scope.err(err, w, req)
+			return
+		}
+
+		s, err := negotiation.NegotiateInputSerializer(req, false, scope.Serializer)
+		if err != nil {
+			scope.err(err, w, req)
+			return
+		}
+		defaultGVK := scope.Kind
+		original := r.New()
+
+		trace.Step("About to convert to expected version")
+		decoder := scope.Serializer.DecoderToVersion(s.Serializer, scope.HubGroupVersion)
+		obj, gvk, err := decoder.Decode(body, &defaultGVK, original)
+		if err != nil {
+			err = transformDecodeError(scope.Typer, err, original, gvk, body)
+			scope.err(err, w, req)
+			return
+		}
+		if gvk.GroupVersion() != defaultGVK.GroupVersion() {
+			err = errors.NewBadRequest(fmt.Sprintf("the API version in the data (%s) does not match the expected API version (%s)", gvk.GroupVersion(), defaultGVK.GroupVersion()))
+			scope.err(err, w, req)
+			return
+		}
+		trace.Step("Conversion done")
+
+		ae := request.AuditEventFrom(ctx)
+		audit.LogRequestObject(ae, obj, scope.Resource, scope.Subresource, scope.Serializer)
+		admit = admission.WithAudit(admit, ae)
+
+		if err := checkName(obj, name, namespace, scope.Namer); err != nil {
+			scope.err(err, w, req)
+			return
+		}
+
+		userInfo, _ := request.UserFrom(ctx)
+		var transformers []rest.TransformFunc
+		if mutatingAdmission, ok := admit.(admission.MutationInterface); ok {
+			transformers = append(transformers, func(ctx context.Context, newObj, oldObj runtime.Object) (runtime.Object, error) {
+				isNotZeroObject, err := hasUID(oldObj)
+				if err != nil {
+					return nil, fmt.Errorf("unexpected error when extracting UID from oldObj: %v", err.Error())
+				} else if !isNotZeroObject {
+					if mutatingAdmission.Handles(admission.Create) {
+						return newObj, mutatingAdmission.Admit(admission.NewAttributesRecord(newObj, nil, scope.Kind, namespace, name, scope.Resource, scope.Subresource, admission.Create, dryrun.IsDryRun(options.DryRun), userInfo))
+					}
+				} else {
+					if mutatingAdmission.Handles(admission.Update) {
+						return newObj, mutatingAdmission.Admit(admission.NewAttributesRecord(newObj, oldObj, scope.Kind, namespace, name, scope.Resource, scope.Subresource, admission.Update, dryrun.IsDryRun(options.DryRun), userInfo))
+					}
+				}
+				return newObj, nil
+			})
+
+		}
+
+		createAuthorizerAttributes := authorizer.AttributesRecord{
+			User:            userInfo,
+			ResourceRequest: true,
+			Path:            req.URL.Path,
+			Verb:            "create",
+			APIGroup:        scope.Resource.Group,
+			APIVersion:      scope.Resource.Version,
+			Resource:        scope.Resource.Resource,
+			Subresource:     scope.Subresource,
+			Namespace:       namespace,
+			Name:            name,
+		}
+
+		trace.Step("About to store object in database")
+		wasCreated := false
+		result, err := finishRequest(timeout, func() (runtime.Object, error) {
+			obj, created, err := r.Update(
+				ctx,
+				name,
+				rest.DefaultUpdatedObjectInfo(obj, transformers...),
+				withAuthorization(rest.AdmissionToValidateObjectFunc(
+					admit,
+					admission.NewAttributesRecord(nil, nil, scope.Kind, namespace, name, scope.Resource, scope.Subresource, admission.Create, dryrun.IsDryRun(options.DryRun), userInfo)),
+					scope.Authorizer, createAuthorizerAttributes),
+				rest.AdmissionToValidateObjectUpdateFunc(
+					admit,
+					admission.NewAttributesRecord(nil, nil, scope.Kind, namespace, name, scope.Resource, scope.Subresource, admission.Update, dryrun.IsDryRun(options.DryRun), userInfo)),
+				false,
+				options,
+			)
+			wasCreated = created
+			return obj, err
+		})
+		if err != nil {
+			scope.err(err, w, req)
+			return
+		}
+		trace.Step("Object stored in database")
+
+		requestInfo, ok := request.RequestInfoFrom(ctx)
+		if !ok {
+			scope.err(fmt.Errorf("missing requestInfo"), w, req)
+			return
+		}
+		if err := setSelfLink(result, requestInfo, scope.Namer); err != nil {
+			scope.err(err, w, req)
+			return
+		}
+		trace.Step("Self-link added")
+
+		status := http.StatusOK
+		if wasCreated {
+			status = http.StatusCreated
+		}
+
+		scope.Trace = trace
+		transformResponseObject(ctx, scope, req, w, status, result)
+	}
+}
+
+func withAuthorization(validate rest.ValidateObjectFunc, a authorizer.Authorizer, attributes authorizer.Attributes) rest.ValidateObjectFunc {
+	var once sync.Once
+	var authorizerDecision authorizer.Decision
+	var authorizerReason string
+	var authorizerErr error
+	return func(obj runtime.Object) error {
+		if a == nil {
+			return errors.NewInternalError(fmt.Errorf("no authorizer provided, unable to authorize a create on update"))
+		}
+		once.Do(func() {
+			authorizerDecision, authorizerReason, authorizerErr = a.Authorize(attributes)
+		})
+		// an authorizer like RBAC could encounter evaluation errors and still allow the request, so authorizer decision is checked before error here.
+		if authorizerDecision == authorizer.DecisionAllow {
+			// Continue to validating admission
+			return validate(obj)
+		}
+		if authorizerErr != nil {
+			return errors.NewInternalError(authorizerErr)
+		}
+
+		// The user is not authorized to perform this action, so we need to build the error response
+		gr := schema.GroupResource{
+			Group:    attributes.GetAPIGroup(),
+			Resource: attributes.GetResource(),
+		}
+		name := attributes.GetName()
+		err := fmt.Errorf("%v", authorizerReason)
+		return errors.NewForbidden(gr, name, err)
+	}
+}