blob: 88a1ace4dd6f780aa55ded6579e533d4a01420de [file] [log] [blame]
Serge Bazanskibe538db2020-11-12 00:22:42 +01001// Copyright 2017 The kubecfg authors
2//
3//
4// Licensed under the Apache License, Version 2.0 (the "License");
5// you may not use this file except in compliance with the License.
6// You may obtain a copy of the License at
7//
8// http://www.apache.org/licenses/LICENSE-2.0
9//
10// Unless required by applicable law or agreed to in writing, software
11// distributed under the License is distributed on an "AS IS" BASIS,
12// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13// See the License for the specific language governing permissions and
14// limitations under the License.
15
16package kubecfg
17
18import (
19 "fmt"
20 "io"
21 "strings"
22
23 log "github.com/sirupsen/logrus"
24 "k8s.io/apimachinery/pkg/api/errors"
25 "k8s.io/apimachinery/pkg/api/meta"
26 "k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
27 "k8s.io/apimachinery/pkg/runtime/schema"
28 "k8s.io/apimachinery/pkg/util/sets"
29 "k8s.io/client-go/discovery"
30
31 "code.hackerspace.pl/hscloud/cluster/tools/kartongips/utils"
32)
33
34// ValidateCmd represents the validate subcommand
35type ValidateCmd struct {
36 Mapper meta.RESTMapper
37 Discovery discovery.DiscoveryInterface
38 IgnoreUnknown bool
39}
40
41func (c ValidateCmd) Run(apiObjects []*unstructured.Unstructured, out io.Writer) error {
42 knownGVKs := sets.NewString()
43 gvkExists := func(gvk schema.GroupVersionKind) bool {
44 if knownGVKs.Has(gvk.String()) {
45 return true
46 }
47 gv := gvk.GroupVersion()
48 rls, err := c.Discovery.ServerResourcesForGroupVersion(gv.String())
49 if err != nil {
50 if !errors.IsNotFound(err) {
51 log.Debugf("ServerResourcesForGroupVersion(%q) returned unexpected error %v", gv, err)
52 }
53 return false
54 }
55 for _, rl := range rls.APIResources {
56 knownGVKs.Insert(gv.WithKind(rl.Kind).String())
57 }
58 return knownGVKs.Has(gvk.String())
59 }
60
61 hasError := false
62
63 for _, obj := range apiObjects {
64 desc := fmt.Sprintf("%s %s", utils.ResourceNameFor(c.Mapper, obj), utils.FqName(obj))
65 log.Info("Validating ", desc)
66
67 gvk := obj.GroupVersionKind()
68
69 var allErrs []error
70
71 schema, err := utils.NewOpenAPISchemaFor(c.Discovery, gvk)
72 if err != nil {
73 isNotFound := errors.IsNotFound(err) ||
74 strings.Contains(err.Error(), "is not supported by the server")
75 if isNotFound && (c.IgnoreUnknown || gvkExists(gvk)) {
76 log.Infof(" No schema found for %s, skipping validation", gvk)
77 continue
78 }
79 allErrs = append(allErrs, fmt.Errorf("Unable to fetch schema: %v", err))
80 } else {
81 // Validate obj
82 for _, err := range schema.Validate(obj) {
83 allErrs = append(allErrs, err)
84 }
85 if obj.GetName() == "" {
86 allErrs = append(allErrs, fmt.Errorf("An Object does not have a name set"))
87 }
88 }
89
90 for _, err := range allErrs {
91 log.Errorf("Error in %s: %v", desc, err)
92 hasError = true
93 }
94 }
95
96 if hasError {
97 return fmt.Errorf("Validation failed")
98 }
99
100 return nil
101}