59 lines
1.8 KiB
Go
59 lines
1.8 KiB
Go
/*
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Copyright 2018 The Kubernetes Authors.
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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*/
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package strict
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import (
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"github.com/pkg/errors"
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"k8s.io/apimachinery/pkg/runtime/schema"
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"k8s.io/klog/v2"
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"k8s.io/kubernetes/cmd/kubeadm/app/apis/kubeadm/scheme"
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"k8s.io/kubernetes/cmd/kubeadm/app/componentconfigs"
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"sigs.k8s.io/yaml"
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)
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// VerifyUnmarshalStrict takes a YAML byte slice and a GroupVersionKind and verifies if the YAML
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// schema is known and if it unmarshals with strict mode.
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//
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// TODO(neolit123): The returned error here is currently ignored everywhere and a klog warning is thrown instead.
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// We don't want to turn this into an actual error yet. Eventually this can be controlled with an optional CLI flag.
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func VerifyUnmarshalStrict(bytes []byte, gvk schema.GroupVersionKind) error {
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var (
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iface interface{}
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err error
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)
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iface, err = scheme.Scheme.New(gvk)
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if err != nil {
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iface, err = componentconfigs.Scheme.New(gvk)
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if err != nil {
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err := errors.Errorf("unknown configuration %#v for scheme definitions in %q and %q",
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gvk, scheme.Scheme.Name(), componentconfigs.Scheme.Name())
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klog.Warning(err.Error())
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return err
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}
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}
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if err := yaml.UnmarshalStrict(bytes, iface); err != nil {
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err := errors.Wrapf(err, "error unmarshaling configuration %#v", gvk)
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klog.Warning(err.Error())
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return err
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}
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return nil
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}
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