Revert "Add optional validation to kubecfg/kubectl."

This reverts commit acf6d82800.

cmd/kubecfg/kubecfg.go

@@ -152,18 +152,12 @@ func readConfigData() []byte {
 
 // readConfig reads and parses pod, replicationController, and service
 // configuration files. If any errors log and exit non-zero.
-func readConfig(storage string, c *client.Client) []byte {
+func readConfig(storage string, serverCodec runtime.Codec) []byte {
-	serverCodec := c.RESTClient.Codec
 	if len(*config) == 0 {
 		glog.Fatal("Need config file (-c)")
 	}
 
-	dataInput := readConfigData()
+	data, err := parser.ToWireFormat(readConfigData(), storage, latest.Codec, serverCodec)
-	err := kubecfg.ValidateObject(dataInput, c)
-	if err != nil {
-		glog.Fatalf("Error validating %v as an object for %v: %v\n", *config, storage, err)
-	}
-	data, err := parser.ToWireFormat(dataInput, storage, latest.Codec, serverCodec)
 
 	if err != nil {
 		glog.Fatalf("Error parsing %v as an object for %v: %v\n", *config, storage, err)
@@ -389,7 +383,7 @@ func executeAPIRequest(ctx api.Context, method string, c *client.Client) bool {
 			glog.Fatalf("usage: kubecfg [OPTIONS] %s <%s>/<id>", method, prettyWireStorage())
 		}
 	case "print":
-		data := readConfig(storage, c)
+		data := readConfig(storage, c.RESTClient.Codec)
 		obj, err := latest.Codec.Decode(data)
 		if err != nil {
 			glog.Fatalf("error setting resource version: %v", err)
@@ -409,7 +403,7 @@ func executeAPIRequest(ctx api.Context, method string, c *client.Client) bool {
 	}
 	if setBody {
 		if len(version) > 0 {
-			data := readConfig(storage, c)
+			data := readConfig(storage, c.RESTClient.Codec)
 			obj, err := latest.Codec.Decode(data)
 			if err != nil {
 				glog.Fatalf("error setting resource version: %v", err)
@@ -425,7 +419,7 @@ func executeAPIRequest(ctx api.Context, method string, c *client.Client) bool {
 			}
 			r.Body(data)
 		} else {
-			r.Body(readConfig(storage, c))
+			r.Body(readConfig(storage, c.RESTClient.Codec))
 		}
 	}
 	result := r.Do()

pkg/api/validation/schema.go

@@ -40,21 +40,12 @@ func NewInvalidTypeError(expected reflect.Kind, observed reflect.Kind, fieldName
 	return &InvalidTypeError{expected, observed, fieldName}
 }
 
-// Schema is an interface that knows how to validate an API object serialized to a byte array.
+type Schema struct {
-type Schema interface {
-	ValidateBytes(data []byte) error
-}
-
-type NullSchema struct{}
-
-func (NullSchema) ValidateBytes(data []byte) error { return nil }
-
-type SwaggerSchema struct {
 	api swagger.ApiDeclaration
 }
 
-func NewSwaggerSchemaFromBytes(data []byte) (Schema, error) {
+func NewSchemaFromBytes(data []byte) (*Schema, error) {
-	schema := &SwaggerSchema{}
+	schema := &Schema{}
 	err := json.Unmarshal(data, &schema.api)
 	if err != nil {
 		return nil, err
@@ -62,7 +53,7 @@ func NewSwaggerSchemaFromBytes(data []byte) (Schema, error) {
 	return schema, nil
 }
 
-func (s *SwaggerSchema) ValidateBytes(data []byte) error {
+func (s *Schema) ValidateBytes(data []byte) error {
 	var obj interface{}
 	err := json.Unmarshal(data, &obj)
 	if err != nil {
@@ -74,7 +65,7 @@ func (s *SwaggerSchema) ValidateBytes(data []byte) error {
 	return s.ValidateObject(obj, apiVersion, "", apiVersion+"."+kind)
 }
 
-func (s *SwaggerSchema) ValidateObject(obj interface{}, apiVersion, fieldName, typeName string) error {
+func (s *Schema) ValidateObject(obj interface{}, apiVersion, fieldName, typeName string) error {
 	models := s.api.Models
 	// TODO: handle required fields here too.
 	model, ok := models[typeName]
@@ -107,7 +98,7 @@ func (s *SwaggerSchema) ValidateObject(obj interface{}, apiVersion, fieldName, t
 	return nil
 }
 
-func (s *SwaggerSchema) validateField(value interface{}, apiVersion, fieldName, fieldType string, fieldDetails *swagger.ModelProperty) error {
+func (s *Schema) validateField(value interface{}, apiVersion, fieldName, fieldType string, fieldDetails *swagger.ModelProperty) error {
 	if strings.HasPrefix(fieldType, apiVersion) {
 		return s.ValidateObject(value, apiVersion, fieldName, fieldType)
 	}

pkg/api/validation/schema_test.go

@@ -30,12 +30,12 @@ import (
 	fuzz "github.com/google/gofuzz"
 )
 
-func LoadSchemaForTest(file string) (Schema, error) {
+func LoadSchemaForTest(file string) (*Schema, error) {
 	data, err := ioutil.ReadFile(file)
 	if err != nil {
 		return nil, err
 	}
-	return NewSwaggerSchemaFromBytes(data)
+	return NewSchemaFromBytes(data)
 }
 
 // TODO: this is cloned from serialization_test.go, refactor to somewhere common like util

pkg/kubecfg/validate.go

@@ -1,51 +0,0 @@
-/*
-Copyright 2014 Google Inc. All rights reserved.
-
-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 kubecfg
-
-import (
-	"encoding/json"
-	"fmt"
-
-	"github.com/GoogleCloudPlatform/kubernetes/pkg/api/validation"
-	"github.com/GoogleCloudPlatform/kubernetes/pkg/client"
-)
-
-func ValidateObject(data []byte, c *client.Client) error {
-	var obj interface{}
-	err := json.Unmarshal(data, &obj)
-	if err != nil {
-		return err
-	}
-	apiVersion, found := obj.(map[string]interface{})["apiVersion"]
-	if !found {
-		return fmt.Errorf("couldn't find apiVersion in object")
-	}
-
-	schemaData, err := c.RESTClient.Get().
-		AbsPath("/swaggerapi/api").
-		Path(apiVersion.(string)).
-		Do().
-		Raw()
-	if err != nil {
-		return err
-	}
-	schema, err := validation.NewSwaggerSchemaFromBytes(schemaData)
-	if err != nil {
-		return err
-	}
-	return schema.ValidateBytes(data)
-}

pkg/kubectl/cmd/cmd.go

@@ -24,7 +24,6 @@ import (
 	"github.com/GoogleCloudPlatform/kubernetes/pkg/api"
 	"github.com/GoogleCloudPlatform/kubernetes/pkg/api/latest"
 	"github.com/GoogleCloudPlatform/kubernetes/pkg/api/meta"
-	"github.com/GoogleCloudPlatform/kubernetes/pkg/api/validation"
 	"github.com/GoogleCloudPlatform/kubernetes/pkg/client"
 	"github.com/GoogleCloudPlatform/kubernetes/pkg/kubectl"
 	"github.com/GoogleCloudPlatform/kubernetes/pkg/runtime"
@@ -37,7 +36,6 @@ import (
 type Factory struct {
 	Mapper    meta.RESTMapper
 	Typer     runtime.ObjectTyper
-	Validator func(*cobra.Command) (validation.Schema, error)
 	Client    func(*cobra.Command, *meta.RESTMapping) (kubectl.RESTClient, error)
 	Describer func(*cobra.Command, *meta.RESTMapping) (kubectl.Describer, error)
 	Printer   func(cmd *cobra.Command, mapping *meta.RESTMapping, noHeaders bool) (kubectl.ResourcePrinter, error)
@@ -48,13 +46,6 @@ func NewFactory() *Factory {
 	return &Factory{
 		Mapper: latest.RESTMapper,
 		Typer:  api.Scheme,
-		Validator: func(cmd *cobra.Command) (validation.Schema, error) {
-			if GetFlagBool(cmd, "validate") {
-				return &clientSwaggerSchema{getKubeClient(cmd), api.Scheme}, nil
-			} else {
-				return validation.NullSchema{}, nil
-			}
-		},
 		Client: func(cmd *cobra.Command, mapping *meta.RESTMapping) (kubectl.RESTClient, error) {
 			return getKubeClient(cmd), nil
 		},
@@ -96,7 +87,6 @@ Find more information at https://github.com/GoogleCloudPlatform/kubernetes.`,
 	cmds.PersistentFlags().Bool("insecure-skip-tls-verify", false, "If true, the server's certificate will not be checked for validity. This will make your HTTPS connections insecure.")
 	cmds.PersistentFlags().String("ns-path", os.Getenv("HOME")+"/.kubernetes_ns", "Path to the namespace info file that holds the namespace context to use for CLI requests.")
 	cmds.PersistentFlags().StringP("namespace", "n", "", "If present, the namespace scope for this CLI request.")
-	cmds.PersistentFlags().Bool("validate", false, "If true, use a schema to validate the input before sending it")
 
 	cmds.AddCommand(NewCmdVersion(out))
 	cmds.AddCommand(NewCmdProxy(out))
@@ -226,28 +216,3 @@ func getKubeClient(cmd *cobra.Command) *client.Client {
 	}
 	return c
 }
-
-type clientSwaggerSchema struct {
-	c *client.Client
-	t runtime.ObjectTyper
-}
-
-func (c *clientSwaggerSchema) ValidateBytes(data []byte) error {
-	version, _, err := c.t.DataVersionAndKind(data)
-	if err != nil {
-		return err
-	}
-	schemaData, err := c.c.RESTClient.Get().
-		AbsPath("/swaggerapi/api").
-		Path(version).
-		Do().
-		Raw()
-	if err != nil {
-		return err
-	}
-	schema, err := validation.NewSwaggerSchemaFromBytes(schemaData)
-	if err != nil {
-		return err
-	}
-	return schema.ValidateBytes(data)
-}

pkg/kubectl/cmd/create.go

@@ -43,9 +43,7 @@ Examples:
 			if len(filename) == 0 {
 				usageError(cmd, "Must specify filename to create")
 			}
-			schema, err := f.Validator(cmd)
+			mapping, namespace, name, data := ResourceFromFile(filename, f.Typer, f.Mapper)
-			checkErr(err)
-			mapping, namespace, name, data := ResourceFromFile(filename, f.Typer, f.Mapper, schema)
 			client, err := f.Client(cmd, mapping)
 			checkErr(err)
 

pkg/kubectl/cmd/delete.go

@@ -50,9 +50,7 @@ Examples:
   <delete a pod with ID 1234-56-7890-234234-456456>`,
 		Run: func(cmd *cobra.Command, args []string) {
 			filename := GetFlagString(cmd, "filename")
-			schema, err := f.Validator(cmd)
+			mapping, namespace, name := ResourceFromArgsOrFile(cmd, args, filename, f.Typer, f.Mapper)
-			checkErr(err)
-			mapping, namespace, name := ResourceFromArgsOrFile(cmd, args, filename, f.Typer, f.Mapper, schema)
 			client, err := f.Client(cmd, mapping)
 			checkErr(err)
 

pkg/kubectl/cmd/resource.go

@@ -20,7 +20,6 @@ import (
 	"fmt"
 
 	"github.com/GoogleCloudPlatform/kubernetes/pkg/api/meta"
-	"github.com/GoogleCloudPlatform/kubernetes/pkg/api/validation"
 	"github.com/GoogleCloudPlatform/kubernetes/pkg/kubectl"
 	"github.com/GoogleCloudPlatform/kubernetes/pkg/runtime"
 
@@ -30,7 +29,7 @@ import (
 // ResourceFromArgsOrFile expects two arguments or a valid file with a given type, and extracts
 // the fields necessary to uniquely locate a resource. Displays a usageError if that contract is
 // not satisfied, or a generic error if any other problems occur.
-func ResourceFromArgsOrFile(cmd *cobra.Command, args []string, filename string, typer runtime.ObjectTyper, mapper meta.RESTMapper, schema validation.Schema) (mapping *meta.RESTMapping, namespace, name string) {
+func ResourceFromArgsOrFile(cmd *cobra.Command, args []string, filename string, typer runtime.ObjectTyper, mapper meta.RESTMapper) (mapping *meta.RESTMapping, namespace, name string) {
 	// If command line args are passed in, use those preferentially.
 	if len(args) > 0 && len(args) != 2 {
 		usageError(cmd, "If passing in command line parameters, must be resource and name")
@@ -59,7 +58,7 @@ func ResourceFromArgsOrFile(cmd *cobra.Command, args []string, filename string,
 		usageError(cmd, "Must specify filename or command line params")
 	}
 
-	mapping, namespace, name, _ = ResourceFromFile(filename, typer, mapper, schema)
+	mapping, namespace, name, _ = ResourceFromFile(filename, typer, mapper)
 	if len(name) == 0 {
 		checkErr(fmt.Errorf("the resource in the provided file has no name (or ID) defined"))
 	}
@@ -123,7 +122,7 @@ func ResourceOrTypeFromArgs(cmd *cobra.Command, args []string, mapper meta.RESTM
 // ResourceFromFile retrieves the name and namespace from a valid file. If the file does not
 // resolve to a known type an error is returned. The returned mapping can be used to determine
 // the correct REST endpoint to modify this resource with.
-func ResourceFromFile(filename string, typer runtime.ObjectTyper, mapper meta.RESTMapper, schema validation.Schema) (mapping *meta.RESTMapping, namespace, name string, data []byte) {
+func ResourceFromFile(filename string, typer runtime.ObjectTyper, mapper meta.RESTMapper) (mapping *meta.RESTMapping, namespace, name string, data []byte) {
 	configData, err := ReadConfigData(filename)
 	checkErr(err)
 	data = configData
@@ -136,9 +135,6 @@ func ResourceFromFile(filename string, typer runtime.ObjectTyper, mapper meta.RE
 		checkErr(fmt.Errorf("the resource in the provided file has no apiVersion defined"))
 	}
 
-	err = schema.ValidateBytes(data)
-	checkErr(err)
-
 	mapping, err = mapper.RESTMapping(version, kind)
 	checkErr(err)
 

pkg/kubectl/cmd/update.go

@@ -43,9 +43,7 @@ Examples:
 			if len(filename) == 0 {
 				usageError(cmd, "Must specify filename to update")
 			}
-			schema, err := f.Validator(cmd)
+			mapping, namespace, name, data := ResourceFromFile(filename, f.Typer, f.Mapper)
-			checkErr(err)
-			mapping, namespace, name, data := ResourceFromFile(filename, f.Typer, f.Mapper, schema)
 			client, err := f.Client(cmd, mapping)
 			checkErr(err)