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Merge pull request kubernetes-sigs#110 from newrelic-forks/rudoi/kube…
…adm-yaml chore: get kubeadm yaml rather than json
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,26 @@ | ||
| /* | ||
| Copyright 2019 The Kubernetes Authors. | ||
| 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 v1beta1 | ||
|
|
||
| import ( | ||
| "k8s.io/apimachinery/pkg/runtime/schema" | ||
| ) | ||
|
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| var ( | ||
| // GroupVersion is group version used to register these objects | ||
| GroupVersion = schema.GroupVersion{Group: "kubeadm.k8s.io", Version: "v1beta1"} | ||
| ) |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,62 @@ | ||
| /* | ||
| Copyright 2019 The Kubernetes Authors. | ||
| 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 v1beta1 | ||
|
|
||
| import ( | ||
| "github.com/pkg/errors" | ||
| runtime "k8s.io/apimachinery/pkg/runtime" | ||
| "k8s.io/apimachinery/pkg/runtime/schema" | ||
| "k8s.io/apimachinery/pkg/runtime/serializer" | ||
| "sigs.k8s.io/controller-runtime/pkg/scheme" | ||
| ) | ||
|
|
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| // GetCodecs returns a type that can be used to deserialize most kubeadm | ||
| // configuration types. | ||
| func GetCodecs() serializer.CodecFactory { | ||
| sb := &scheme.Builder{GroupVersion: GroupVersion} | ||
|
|
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| sb.Register(&JoinConfiguration{}, &InitConfiguration{}, &ClusterConfiguration{}) | ||
| kubeadmScheme, err := sb.Build() | ||
| if err != nil { | ||
| panic(err) | ||
| } | ||
| return serializer.NewCodecFactory(kubeadmScheme) | ||
| } | ||
|
|
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| // ConfigurationToYAML converts a kubeadm configuration type to its YAML | ||
| // representation. | ||
| func ConfigurationToYAML(obj runtime.Object) (string, error) { | ||
| initcfg, err := MarshalToYamlForCodecs(obj, GroupVersion, GetCodecs()) | ||
| if err != nil { | ||
| return "", errors.Wrap(err, "failed to marshal configuration") | ||
| } | ||
| return string(initcfg), nil | ||
| } | ||
|
|
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| // MarshalToYamlForCodecs marshals an object into yaml using the specified codec | ||
| // TODO: Is specifying the gv really needed here? | ||
| // TODO: Can we support json out of the box easily here? | ||
| func MarshalToYamlForCodecs(obj runtime.Object, gv schema.GroupVersion, codecs serializer.CodecFactory) ([]byte, error) { | ||
| mediaType := "application/yaml" | ||
| info, ok := runtime.SerializerInfoForMediaType(codecs.SupportedMediaTypes(), mediaType) | ||
| if !ok { | ||
| return []byte{}, errors.Errorf("unsupported media type %q", mediaType) | ||
| } | ||
|
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| encoder := codecs.EncoderForVersion(info.Serializer, gv) | ||
| return runtime.Encode(encoder, obj) | ||
| } |