forked from hswaw/hscloud
102 lines
2.8 KiB
Go
102 lines
2.8 KiB
Go
// Copyright 2017 The kubecfg authors
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//
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package kubecfg
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import (
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"fmt"
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"io"
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"strings"
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log "github.com/sirupsen/logrus"
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"k8s.io/apimachinery/pkg/api/errors"
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"k8s.io/apimachinery/pkg/api/meta"
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"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
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"k8s.io/apimachinery/pkg/runtime/schema"
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"k8s.io/apimachinery/pkg/util/sets"
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"k8s.io/client-go/discovery"
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"code.hackerspace.pl/hscloud/cluster/tools/kartongips/utils"
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)
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// ValidateCmd represents the validate subcommand
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type ValidateCmd struct {
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Mapper meta.RESTMapper
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Discovery discovery.DiscoveryInterface
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IgnoreUnknown bool
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}
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func (c ValidateCmd) Run(apiObjects []*unstructured.Unstructured, out io.Writer) error {
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knownGVKs := sets.NewString()
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gvkExists := func(gvk schema.GroupVersionKind) bool {
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if knownGVKs.Has(gvk.String()) {
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return true
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}
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gv := gvk.GroupVersion()
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rls, err := c.Discovery.ServerResourcesForGroupVersion(gv.String())
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if err != nil {
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if !errors.IsNotFound(err) {
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log.Debugf("ServerResourcesForGroupVersion(%q) returned unexpected error %v", gv, err)
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}
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return false
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}
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for _, rl := range rls.APIResources {
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knownGVKs.Insert(gv.WithKind(rl.Kind).String())
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}
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return knownGVKs.Has(gvk.String())
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}
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hasError := false
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for _, obj := range apiObjects {
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desc := fmt.Sprintf("%s %s", utils.ResourceNameFor(c.Mapper, obj), utils.FqName(obj))
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log.Info("Validating ", desc)
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gvk := obj.GroupVersionKind()
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var allErrs []error
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schema, err := utils.NewOpenAPISchemaFor(c.Discovery, gvk)
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if err != nil {
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isNotFound := errors.IsNotFound(err) ||
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strings.Contains(err.Error(), "is not supported by the server")
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if isNotFound && (c.IgnoreUnknown || gvkExists(gvk)) {
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log.Infof(" No schema found for %s, skipping validation", gvk)
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continue
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}
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allErrs = append(allErrs, fmt.Errorf("Unable to fetch schema: %v", err))
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} else {
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// Validate obj
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for _, err := range schema.Validate(obj) {
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allErrs = append(allErrs, err)
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}
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if obj.GetName() == "" {
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allErrs = append(allErrs, fmt.Errorf("An Object does not have a name set"))
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}
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}
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for _, err := range allErrs {
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log.Errorf("Error in %s: %v", desc, err)
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hasError = true
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}
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}
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if hasError {
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return fmt.Errorf("Validation failed")
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}
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return nil
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}
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