Beispiel #1
0
// TODO: Consider using a mocking library instead or fully fleshing this out into a fake impl and putting it in some
// generally available location
func (f *Factory) ValidateBytes(data []byte) error {
	var obj interface{}
	out, err := k8syaml.ToJSON(data)
	if err != nil {
		return err
	}
	data = out
	if err := json.Unmarshal(data, &obj); err != nil {
		return err
	}
	fields, ok := obj.(map[string]interface{})
	if !ok {
		return fmt.Errorf("error in unmarshaling data %s", string(data))
	}
	// Note: This only supports the 2 api versions we expect from the test it is currently supporting.
	groupVersion := fields["apiVersion"]
	switch groupVersion {
	case "v1":
		return f.defaultSchema.ValidateBytes(data)
	case "extensions/v1beta1":
		return f.extensionsSchema.ValidateBytes(data)
	default:
		return fmt.Errorf("Unsupported API version %s", groupVersion)
	}
}
Beispiel #2
0
func (c *commandTokenSource) parseTokenCmdOutput(output []byte) (*oauth2.Token, error) {
	output, err := yaml.ToJSON(output)
	if err != nil {
		return nil, err
	}
	var data interface{}
	if err := json.Unmarshal(output, &data); err != nil {
		return nil, err
	}

	accessToken, err := parseJSONPath(data, "token-key", c.tokenKey)
	if err != nil {
		return nil, fmt.Errorf("error parsing token-key %q: %v", c.tokenKey, err)
	}
	expiryStr, err := parseJSONPath(data, "expiry-key", c.expiryKey)
	if err != nil {
		return nil, fmt.Errorf("error parsing expiry-key %q: %v", c.expiryKey, err)
	}
	var expiry time.Time
	if t, err := time.Parse(c.timeFmt, expiryStr); err != nil {
		glog.V(4).Infof("Failed to parse token expiry from %s (fmt=%s): %v", expiryStr, c.timeFmt, err)
	} else {
		expiry = t
	}

	return &oauth2.Token{
		AccessToken: accessToken,
		TokenType:   "Bearer",
		Expiry:      expiry,
	}, nil
}
Beispiel #3
0
func IsThirdPartyObject(rawData []byte, gvk *schema.GroupVersionKind) (isThirdParty bool, gvkOut *schema.GroupVersionKind, err error) {
	var gv schema.GroupVersion
	if gvk == nil {
		data, err := yaml.ToJSON(rawData)
		if err != nil {
			return false, nil, err
		}
		metadata := metav1.TypeMeta{}
		if err = json.Unmarshal(data, &metadata); err != nil {
			return false, nil, err
		}
		gv, err = schema.ParseGroupVersion(metadata.APIVersion)
		if err != nil {
			return false, nil, err
		}
		gvkOut = &schema.GroupVersionKind{
			Group:   gv.Group,
			Version: gv.Version,
			Kind:    metadata.Kind,
		}
	} else {
		gv = gvk.GroupVersion()
		gvkOut = gvk
	}
	return api.Registry.IsThirdPartyAPIGroupVersion(gv), gvkOut, nil
}
Beispiel #4
0
func tryDecodeSinglePod(data []byte, defaultFn defaultFunc) (parsed bool, pod *v1.Pod, err error) {
	// JSON is valid YAML, so this should work for everything.
	json, err := utilyaml.ToJSON(data)
	if err != nil {
		return false, nil, err
	}
	obj, err := runtime.Decode(api.Codecs.UniversalDecoder(), json)
	if err != nil {
		return false, pod, err
	}
	// Check whether the object could be converted to single pod.
	if _, ok := obj.(*api.Pod); !ok {
		err = fmt.Errorf("invalid pod: %#v", obj)
		return false, pod, err
	}
	newPod := obj.(*api.Pod)
	// Apply default values and validate the pod.
	if err = defaultFn(newPod); err != nil {
		return true, pod, err
	}
	if errs := validation.ValidatePod(newPod); len(errs) > 0 {
		err = fmt.Errorf("invalid pod: %v", errs)
		return true, pod, err
	}
	v1Pod := &v1.Pod{}
	if err := v1.Convert_api_Pod_To_v1_Pod(newPod, v1Pod, nil); err != nil {
		return true, nil, err
	}
	return true, v1Pod, nil
}
Beispiel #5
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func walkJSONFiles(inDir string, fn func(name, path string, data []byte)) error {
	return filepath.Walk(inDir, func(path string, info os.FileInfo, err error) error {
		if err != nil {
			return err
		}

		if info.IsDir() && path != inDir {
			return filepath.SkipDir
		}

		file := filepath.Base(path)
		if ext := filepath.Ext(file); ext == ".json" || ext == ".yaml" {
			glog.Infof("Testing %s", path)
			data, err := ioutil.ReadFile(path)
			if err != nil {
				return err
			}
			name := strings.TrimSuffix(file, ext)

			if ext == ".yaml" {
				out, err := yaml.ToJSON(data)
				if err != nil {
					return fmt.Errorf("%s: %v", path, err)
				}
				data = out
			}

			fn(name, path, data)
		}
		return nil
	})
}
Beispiel #6
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func (c yamlSerializer) Decode(data []byte, gvk *schema.GroupVersionKind, into runtime.Object) (runtime.Object, *schema.GroupVersionKind, error) {
	out, err := yaml.ToJSON(data)
	if err != nil {
		return nil, nil, err
	}
	data = out
	return c.Serializer.Decode(data, gvk, into)
}
Beispiel #7
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// stripComments will transform a YAML file into JSON, thus dropping any comments
// in it. Note that if the given file has a syntax error, the transformation will
// fail and we will manually drop all comments from the file.
func stripComments(file []byte) []byte {
	stripped := file
	stripped, err := yaml.ToJSON(stripped)
	if err != nil {
		stripped = manualStrip(file)
	}
	return stripped
}
Beispiel #8
0
// NewDelta accepts two JSON or YAML documents and calculates the difference
// between them.  It returns a Delta object which can be used to resolve
// conflicts against a third version with a common parent, or an error
// if either document is in error.
func NewDelta(from, to []byte) (*Delta, error) {
	d := &Delta{}
	before, err := yaml.ToJSON(from)
	if err != nil {
		return nil, err
	}
	after, err := yaml.ToJSON(to)
	if err != nil {
		return nil, err
	}
	diff, err := jsonpatch.CreateMergePatch(before, after)
	if err != nil {
		return nil, err
	}
	glog.V(6).Infof("Patch created from:\n%s\n%s\n%s", string(before), string(after), string(diff))
	d.original = before
	d.edit = diff
	return d, nil
}
// rcFromManifest reads a .json/yaml file and returns the rc in it.
func rcFromManifest(fileName string) *v1.ReplicationController {
	var controller v1.ReplicationController
	framework.Logf("Parsing rc from %v", fileName)
	data := generated.ReadOrDie(fileName)

	json, err := utilyaml.ToJSON(data)
	Expect(err).NotTo(HaveOccurred())

	Expect(runtime.DecodeInto(api.Codecs.UniversalDecoder(), json, &controller)).NotTo(HaveOccurred())
	return &controller
}
// svcFromManifest reads a .json/yaml file and returns the rc in it.
func svcFromManifest(fileName string) *v1.Service {
	var svc v1.Service
	framework.Logf("Parsing service from %v", fileName)
	data := generated.ReadOrDie(fileName)

	json, err := utilyaml.ToJSON(data)
	Expect(err).NotTo(HaveOccurred())

	Expect(runtime.DecodeInto(api.Codecs.UniversalDecoder(), json, &svc)).NotTo(HaveOccurred())
	return &svc
}
Beispiel #11
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// ingFromManifest reads a .json/yaml file and returns the rc in it.
func ingFromManifest(fileName string) *extensions.Ingress {
	var ing extensions.Ingress
	framework.Logf("Parsing ingress from %v", fileName)
	data, err := ioutil.ReadFile(fileName)
	framework.ExpectNoError(err)

	json, err := utilyaml.ToJSON(data)
	framework.ExpectNoError(err)

	framework.ExpectNoError(runtime.DecodeInto(api.Codecs.UniversalDecoder(), json, &ing))
	return &ing
}
Beispiel #12
0
func podFromManifest(filename string) (*v1.Pod, error) {
	var pod v1.Pod
	framework.Logf("Parsing pod from %v", filename)
	data := generated.ReadOrDie(filename)
	json, err := utilyaml.ToJSON(data)
	if err != nil {
		return nil, err
	}
	if err := runtime.DecodeInto(api.Codecs.UniversalDecoder(), json, &pod); err != nil {
		return nil, err
	}
	return &pod, nil
}
Beispiel #13
0
func statefulSetFromManifest(fileName, ns string) *apps.StatefulSet {
	var ss apps.StatefulSet
	framework.Logf("Parsing statefulset from %v", fileName)
	data, err := ioutil.ReadFile(fileName)
	Expect(err).NotTo(HaveOccurred())
	json, err := utilyaml.ToJSON(data)
	Expect(err).NotTo(HaveOccurred())

	Expect(runtime.DecodeInto(api.Codecs.UniversalDecoder(), json, &ss)).NotTo(HaveOccurred())
	ss.Namespace = ns
	if ss.Spec.Selector == nil {
		ss.Spec.Selector = &metav1.LabelSelector{
			MatchLabels: ss.Spec.Template.Labels,
		}
	}
	return &ss
}
Beispiel #14
0
func (s *SwaggerSchema) ValidateBytes(data []byte) error {
	var obj interface{}
	out, err := yaml.ToJSON(data)
	if err != nil {
		return err
	}
	data = out
	if err := json.Unmarshal(data, &obj); err != nil {
		return err
	}
	fields, ok := obj.(map[string]interface{})
	if !ok {
		return fmt.Errorf("error in unmarshaling data %s", string(data))
	}
	groupVersion := fields["apiVersion"]
	if groupVersion == nil {
		return fmt.Errorf("apiVersion not set")
	}
	if _, ok := groupVersion.(string); !ok {
		return fmt.Errorf("apiVersion isn't string type")
	}
	kind := fields["kind"]
	if kind == nil {
		return fmt.Errorf("kind not set")
	}
	if _, ok := kind.(string); !ok {
		return fmt.Errorf("kind isn't string type")
	}
	if strings.HasSuffix(kind.(string), "List") {
		return utilerrors.NewAggregate(s.validateList(fields))
	}
	version := apiutil.GetVersion(groupVersion.(string))
	allErrs := s.ValidateObject(obj, "", version+"."+kind.(string))
	if len(allErrs) == 1 {
		return allErrs[0]
	}
	return utilerrors.NewAggregate(allErrs)
}
Beispiel #15
0
// Apply attempts to apply the changes described by Delta onto latest,
// returning an error if the changes cannot be applied cleanly.
// IsConflicting will be true if the changes overlap, otherwise a
// generic error will be returned.
func (d *Delta) Apply(latest []byte) ([]byte, error) {
	base, err := yaml.ToJSON(latest)
	if err != nil {
		return nil, err
	}
	changes, err := jsonpatch.CreateMergePatch(d.original, base)
	if err != nil {
		return nil, err
	}
	diff1 := make(map[string]interface{})
	if err := json.Unmarshal(d.edit, &diff1); err != nil {
		return nil, err
	}
	diff2 := make(map[string]interface{})
	if err := json.Unmarshal(changes, &diff2); err != nil {
		return nil, err
	}
	for _, fn := range d.preconditions {
		hold1, _ := fn(diff1)
		hold2, _ := fn(diff2)
		if !hold1 || !hold2 {
			return nil, ErrPreconditionFailed
		}
	}

	glog.V(6).Infof("Testing for conflict between:\n%s\n%s", string(d.edit), string(changes))
	hasConflicts, err := strategicpatch.HasConflicts(diff1, diff2)
	if err != nil {
		return nil, err
	}
	if hasConflicts {
		return nil, ErrConflict
	}

	return jsonpatch.MergePatch(base, d.edit)
}
Beispiel #16
0
func visitToPatch(
	originalObj runtime.Object,
	updates *resource.Info,
	mapper meta.RESTMapper,
	resourceMapper *resource.Mapper,
	encoder runtime.Encoder,
	out, errOut io.Writer,
	defaultVersion schema.GroupVersion,
	results *editResults,
	file string,
) error {

	patchVisitor := resource.NewFlattenListVisitor(updates, resourceMapper)
	err := patchVisitor.Visit(func(info *resource.Info, incomingErr error) error {
		currOriginalObj := originalObj

		// if we're editing a list, then navigate the list to find the item that we're currently trying to edit
		if meta.IsListType(originalObj) {
			currOriginalObj = nil
			editObjUID, err := meta.NewAccessor().UID(info.Object)
			if err != nil {
				return err
			}

			listItems, err := meta.ExtractList(originalObj)
			if err != nil {
				return err
			}

			// iterate through the list to find the item with the matching UID
			for i := range listItems {
				originalObjUID, err := meta.NewAccessor().UID(listItems[i])
				if err != nil {
					return err
				}
				if editObjUID == originalObjUID {
					currOriginalObj = listItems[i]
					break
				}
			}
			if currOriginalObj == nil {
				return fmt.Errorf("no original object found for %#v", info.Object)
			}

		}

		originalSerialization, err := runtime.Encode(encoder, currOriginalObj)
		if err != nil {
			return err
		}
		editedSerialization, err := runtime.Encode(encoder, info.Object)
		if err != nil {
			return err
		}

		// compute the patch on a per-item basis
		// use strategic merge to create a patch
		originalJS, err := yaml.ToJSON(originalSerialization)
		if err != nil {
			return err
		}
		editedJS, err := yaml.ToJSON(editedSerialization)
		if err != nil {
			return err
		}

		if reflect.DeepEqual(originalJS, editedJS) {
			// no edit, so just skip it.
			cmdutil.PrintSuccess(mapper, false, out, info.Mapping.Resource, info.Name, false, "skipped")
			return nil
		}

		preconditions := []strategicpatch.PreconditionFunc{strategicpatch.RequireKeyUnchanged("apiVersion"),
			strategicpatch.RequireKeyUnchanged("kind"), strategicpatch.RequireMetadataKeyUnchanged("name")}
		patch, err := strategicpatch.CreateTwoWayMergePatch(originalJS, editedJS, currOriginalObj, preconditions...)
		if err != nil {
			glog.V(4).Infof("Unable to calculate diff, no merge is possible: %v", err)
			if strategicpatch.IsPreconditionFailed(err) {
				return fmt.Errorf("%s", "At least one of apiVersion, kind and name was changed")
			}
			return err
		}

		results.version = defaultVersion
		patched, err := resource.NewHelper(info.Client, info.Mapping).Patch(info.Namespace, info.Name, types.StrategicMergePatchType, patch)
		if err != nil {
			fmt.Fprintln(out, results.addError(err, info))
			return nil
		}
		info.Refresh(patched, true)
		cmdutil.PrintSuccess(mapper, false, out, info.Mapping.Resource, info.Name, false, "edited")
		return nil
	})
	return err
}
Beispiel #17
0
func TestReadme(t *testing.T) {
	paths := []struct {
		file         string
		expectedType []runtime.Object
	}{
		{"../README.md", []runtime.Object{&api.Pod{}}},
		{"../examples/volumes/iscsi/README.md", []runtime.Object{&api.Pod{}}},
	}

	for _, path := range paths {
		data, err := ioutil.ReadFile(path.file)
		if err != nil {
			t.Errorf("Unable to read file %s: %v", path, err)
			continue
		}

		matches := sampleRegexp.FindAllStringSubmatch(string(data), -1)
		if matches == nil {
			continue
		}
		ix := 0
		for _, match := range matches {
			var content, subtype string
			for i, name := range sampleRegexp.SubexpNames() {
				if name == "type" {
					subtype = match[i]
				}
				if name == "content" && match[i] != "" {
					content = match[i]
				}
			}
			if subtype == "yaml" && subsetRegexp.FindString(content) != "" {
				t.Logf("skipping (%s): \n%s", subtype, content)
				continue
			}

			var expectedType runtime.Object
			if len(path.expectedType) == 1 {
				expectedType = path.expectedType[0]
			} else {
				expectedType = path.expectedType[ix]
				ix++
			}
			json, err := yaml.ToJSON([]byte(content))
			if err != nil {
				t.Errorf("%s could not be converted to JSON: %v\n%s", path, err, string(content))
			}
			if err := runtime.DecodeInto(testapi.Default.Codec(), json, expectedType); err != nil {
				t.Errorf("%s did not decode correctly: %v\n%s", path, err, string(content))
				continue
			}
			if errors := validateObject(expectedType); len(errors) > 0 {
				t.Errorf("%s did not validate correctly: %v", path, errors)
			}
			_, err = runtime.Encode(testapi.Default.Codec(), expectedType)
			if err != nil {
				t.Errorf("Could not encode object: %v", err)
				continue
			}
		}
	}
}
Beispiel #18
0
func RunPatch(f cmdutil.Factory, out io.Writer, cmd *cobra.Command, args []string, options *PatchOptions) error {
	switch {
	case options.Local && len(args) != 0:
		return fmt.Errorf("cannot specify --local and server resources")
	}

	cmdNamespace, enforceNamespace, err := f.DefaultNamespace()
	if err != nil {
		return err
	}

	patchType := types.StrategicMergePatchType
	patchTypeString := strings.ToLower(cmdutil.GetFlagString(cmd, "type"))
	if len(patchTypeString) != 0 {
		ok := false
		patchType, ok = patchTypes[patchTypeString]
		if !ok {
			return cmdutil.UsageError(cmd, fmt.Sprintf("--type must be one of %v, not %q", sets.StringKeySet(patchTypes).List(), patchTypeString))
		}
	}

	patch := cmdutil.GetFlagString(cmd, "patch")
	if len(patch) == 0 {
		return cmdutil.UsageError(cmd, "Must specify -p to patch")
	}
	patchBytes, err := yaml.ToJSON([]byte(patch))
	if err != nil {
		return fmt.Errorf("unable to parse %q: %v", patch, err)
	}

	mapper, typer := f.Object()
	r := resource.NewBuilder(mapper, typer, resource.ClientMapperFunc(f.ClientForMapping), f.Decoder(true)).
		ContinueOnError().
		NamespaceParam(cmdNamespace).DefaultNamespace().
		FilenameParam(enforceNamespace, &options.FilenameOptions).
		ResourceTypeOrNameArgs(false, args...).
		Flatten().
		Do()
	err = r.Err()
	if err != nil {
		return err
	}

	count := 0
	err = r.Visit(func(info *resource.Info, err error) error {
		if err != nil {
			return err
		}
		name, namespace := info.Name, info.Namespace
		mapping := info.ResourceMapping()
		client, err := f.ClientForMapping(mapping)
		if err != nil {
			return err
		}

		if !options.Local {
			dataChangedMsg := "not patched"
			helper := resource.NewHelper(client, mapping)
			patchedObj, err := helper.Patch(namespace, name, patchType, patchBytes)
			if err != nil {
				return err
			}
			if cmdutil.ShouldRecord(cmd, info) {
				// don't return an error on failure.  The patch itself succeeded, its only the hint for that change that failed
				// don't bother checking for failures of this replace, because a failure to indicate the hint doesn't fail the command
				// also, don't force the replacement.  If the replacement fails on a resourceVersion conflict, then it means this
				// record hint is likely to be invalid anyway, so avoid the bad hint
				patch, err := cmdutil.ChangeResourcePatch(info, f.Command())
				if err == nil {
					helper.Patch(info.Namespace, info.Name, types.StrategicMergePatchType, patch)
				}
			}
			count++

			oldData, err := json.Marshal(info.Object)
			if err != nil {
				return err
			}
			newData, err := json.Marshal(patchedObj)
			if err != nil {
				return err
			}
			if !reflect.DeepEqual(oldData, newData) {
				dataChangedMsg = "patched"
			}

			if options.OutputFormat == "name" || len(options.OutputFormat) == 0 {
				cmdutil.PrintSuccess(mapper, options.OutputFormat == "name", out, "", name, false, dataChangedMsg)
			}
			return nil
		}

		count++

		patchedObj, err := api.Scheme.DeepCopy(info.VersionedObject)
		if err != nil {
			return err
		}
		originalObjJS, err := runtime.Encode(api.Codecs.LegacyCodec(mapping.GroupVersionKind.GroupVersion()), info.VersionedObject.(runtime.Object))
		if err != nil {
			return err
		}
		originalPatchedObjJS, err := getPatchedJSON(patchType, originalObjJS, patchBytes, patchedObj.(runtime.Object))
		if err != nil {
			return err
		}
		targetObj, err := runtime.Decode(api.Codecs.UniversalDecoder(), originalPatchedObjJS)
		if err != nil {
			return err
		}
		// TODO: if we ever want to go generic, this allows a clean -o yaml without trying to print columns or anything
		// rawExtension := &runtime.Unknown{
		//	Raw: originalPatchedObjJS,
		// }

		printer, err := f.PrinterForMapping(cmd, mapping, false)
		if err != nil {
			return err
		}
		if err := printer.PrintObj(targetObj, out); err != nil {
			return err
		}

		return nil
	})
	if err != nil {
		return err
	}
	if count == 0 {
		return fmt.Errorf("no objects passed to patch")
	}
	return nil
}