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689 lines
21 KiB
Go
689 lines
21 KiB
Go
/*
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Copyright 2015 The Kubernetes Authors All rights reserved.
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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 v1
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import (
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"encoding/json"
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"fmt"
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"k8s.io/kubernetes/pkg/api"
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"k8s.io/kubernetes/pkg/conversion"
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"k8s.io/kubernetes/pkg/runtime"
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)
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const (
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// Annotation key used to identify mirror pods.
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mirrorAnnotationKey = "kubernetes.io/config.mirror"
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// Value used to identify mirror pods from pre-v1.1 kubelet.
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mirrorAnnotationValue_1_0 = "mirror"
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)
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func addConversionFuncs(scheme *runtime.Scheme) {
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// Add non-generated conversion functions
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err := scheme.AddConversionFuncs(
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Convert_api_Pod_To_v1_Pod,
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Convert_api_PodSpec_To_v1_PodSpec,
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Convert_api_ReplicationControllerSpec_To_v1_ReplicationControllerSpec,
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Convert_api_ServiceSpec_To_v1_ServiceSpec,
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Convert_v1_Pod_To_api_Pod,
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Convert_v1_PodSpec_To_api_PodSpec,
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Convert_v1_ReplicationControllerSpec_To_api_ReplicationControllerSpec,
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Convert_v1_ServiceSpec_To_api_ServiceSpec,
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Convert_v1_ResourceList_To_api_ResourceList,
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)
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if err != nil {
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// If one of the conversion functions is malformed, detect it immediately.
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panic(err)
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}
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// Add field label conversions for kinds having selectable nothing but ObjectMeta fields.
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for _, kind := range []string{
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"Endpoints",
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"ResourceQuota",
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"PersistentVolumeClaim",
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"Service",
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"ServiceAccount",
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"ConfigMap",
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} {
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err = api.Scheme.AddFieldLabelConversionFunc("v1", kind,
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func(label, value string) (string, string, error) {
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switch label {
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case "metadata.namespace",
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"metadata.name":
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return label, value, nil
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default:
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return "", "", fmt.Errorf("field label %q not supported for %q", label, kind)
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}
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})
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if err != nil {
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// If one of the conversion functions is malformed, detect it immediately.
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panic(err)
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}
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}
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// Add field conversion funcs.
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err = api.Scheme.AddFieldLabelConversionFunc("v1", "Pod",
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func(label, value string) (string, string, error) {
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switch label {
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case "metadata.name",
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"metadata.namespace",
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"metadata.labels",
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"metadata.annotations",
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"status.phase",
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"status.podIP",
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"spec.nodeName",
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"spec.restartPolicy":
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return label, value, nil
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// This is for backwards compatibility with old v1 clients which send spec.host
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case "spec.host":
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return "spec.nodeName", value, nil
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default:
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return "", "", fmt.Errorf("field label not supported: %s", label)
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}
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})
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if err != nil {
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// If one of the conversion functions is malformed, detect it immediately.
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panic(err)
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}
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err = api.Scheme.AddFieldLabelConversionFunc("v1", "Node",
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func(label, value string) (string, string, error) {
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switch label {
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case "metadata.name":
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return label, value, nil
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case "spec.unschedulable":
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return label, value, nil
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default:
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return "", "", fmt.Errorf("field label not supported: %s", label)
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}
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})
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if err != nil {
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// If one of the conversion functions is malformed, detect it immediately.
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panic(err)
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}
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err = api.Scheme.AddFieldLabelConversionFunc("v1", "ReplicationController",
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func(label, value string) (string, string, error) {
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switch label {
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case "metadata.name",
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"metadata.namespace",
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"status.replicas":
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return label, value, nil
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default:
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return "", "", fmt.Errorf("field label not supported: %s", label)
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}
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})
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if err != nil {
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// If one of the conversion functions is malformed, detect it immediately.
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panic(err)
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}
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err = api.Scheme.AddFieldLabelConversionFunc("v1", "Event",
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func(label, value string) (string, string, error) {
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switch label {
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case "involvedObject.kind",
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"involvedObject.namespace",
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"involvedObject.name",
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"involvedObject.uid",
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"involvedObject.apiVersion",
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"involvedObject.resourceVersion",
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"involvedObject.fieldPath",
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"reason",
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"source",
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"type",
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"metadata.namespace",
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"metadata.name":
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return label, value, nil
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default:
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return "", "", fmt.Errorf("field label not supported: %s", label)
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}
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})
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if err != nil {
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// If one of the conversion functions is malformed, detect it immediately.
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panic(err)
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}
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err = api.Scheme.AddFieldLabelConversionFunc("v1", "Namespace",
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func(label, value string) (string, string, error) {
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switch label {
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case "status.phase",
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"metadata.name":
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return label, value, nil
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default:
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return "", "", fmt.Errorf("field label not supported: %s", label)
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}
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})
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if err != nil {
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// If one of the conversion functions is malformed, detect it immediately.
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panic(err)
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}
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err = api.Scheme.AddFieldLabelConversionFunc("v1", "PersistentVolume",
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func(label, value string) (string, string, error) {
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switch label {
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case "metadata.name":
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return label, value, nil
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default:
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return "", "", fmt.Errorf("field label not supported: %s", label)
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}
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})
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if err != nil {
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// If one of the conversion functions is malformed, detect it immediately.
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panic(err)
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}
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err = api.Scheme.AddFieldLabelConversionFunc("v1", "Secret",
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func(label, value string) (string, string, error) {
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switch label {
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case "type",
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"metadata.namespace",
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"metadata.name":
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return label, value, nil
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default:
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return "", "", fmt.Errorf("field label not supported: %s", label)
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}
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})
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if err != nil {
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// If one of the conversion functions is malformed, detect it immediately.
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panic(err)
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}
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}
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func Convert_api_ReplicationControllerSpec_To_v1_ReplicationControllerSpec(in *api.ReplicationControllerSpec, out *ReplicationControllerSpec, s conversion.Scope) error {
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out.Replicas = new(int32)
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*out.Replicas = int32(in.Replicas)
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if in.Selector != nil {
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out.Selector = make(map[string]string)
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for key, val := range in.Selector {
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out.Selector[key] = val
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}
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} else {
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out.Selector = nil
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}
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//if in.TemplateRef != nil {
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// out.TemplateRef = new(ObjectReference)
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// if err := Convert_api_ObjectReference_To_v1_ObjectReference(in.TemplateRef, out.TemplateRef, s); err != nil {
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// return err
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// }
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//} else {
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// out.TemplateRef = nil
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//}
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if in.Template != nil {
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out.Template = new(PodTemplateSpec)
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if err := Convert_api_PodTemplateSpec_To_v1_PodTemplateSpec(in.Template, out.Template, s); err != nil {
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return err
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}
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} else {
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out.Template = nil
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}
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return nil
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}
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func Convert_v1_ReplicationControllerSpec_To_api_ReplicationControllerSpec(in *ReplicationControllerSpec, out *api.ReplicationControllerSpec, s conversion.Scope) error {
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out.Replicas = *in.Replicas
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if in.Selector != nil {
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out.Selector = make(map[string]string)
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for key, val := range in.Selector {
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out.Selector[key] = val
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}
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} else {
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out.Selector = nil
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}
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//if in.TemplateRef != nil {
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// out.TemplateRef = new(api.ObjectReference)
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// if err := Convert_v1_ObjectReference_To_api_ObjectReference(in.TemplateRef, out.TemplateRef, s); err != nil {
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// return err
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// }
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//} else {
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// out.TemplateRef = nil
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//}
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if in.Template != nil {
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out.Template = new(api.PodTemplateSpec)
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if err := Convert_v1_PodTemplateSpec_To_api_PodTemplateSpec(in.Template, out.Template, s); err != nil {
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return err
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}
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} else {
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out.Template = nil
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}
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return nil
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}
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func Convert_api_PodStatusResult_To_v1_PodStatusResult(in *api.PodStatusResult, out *PodStatusResult, s conversion.Scope) error {
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if err := autoConvert_api_PodStatusResult_To_v1_PodStatusResult(in, out, s); err != nil {
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return err
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}
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if len(out.Status.InitContainerStatuses) > 0 {
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if out.Annotations == nil {
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out.Annotations = make(map[string]string)
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}
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value, err := json.Marshal(out.Status.InitContainerStatuses)
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if err != nil {
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return err
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}
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out.Annotations[PodInitContainerStatusesAnnotationKey] = string(value)
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} else {
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delete(out.Annotations, PodInitContainerStatusesAnnotationKey)
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}
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return nil
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}
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func Convert_v1_PodStatusResult_To_api_PodStatusResult(in *PodStatusResult, out *api.PodStatusResult, s conversion.Scope) error {
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// TODO: when we move init container to beta, remove these conversions
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if value, ok := in.Annotations[PodInitContainerStatusesAnnotationKey]; ok {
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var values []ContainerStatus
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if err := json.Unmarshal([]byte(value), &values); err != nil {
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return err
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}
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in.Status.InitContainerStatuses = values
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}
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if err := autoConvert_v1_PodStatusResult_To_api_PodStatusResult(in, out, s); err != nil {
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return err
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}
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delete(out.Annotations, PodInitContainerStatusesAnnotationKey)
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return nil
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}
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func Convert_api_PodTemplateSpec_To_v1_PodTemplateSpec(in *api.PodTemplateSpec, out *PodTemplateSpec, s conversion.Scope) error {
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if err := autoConvert_api_PodTemplateSpec_To_v1_PodTemplateSpec(in, out, s); err != nil {
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return err
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}
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// TODO: when we move init container to beta, remove these conversions
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if len(out.Spec.InitContainers) > 0 {
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if out.Annotations == nil {
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out.Annotations = make(map[string]string)
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}
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value, err := json.Marshal(out.Spec.InitContainers)
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if err != nil {
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return err
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}
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out.Annotations[PodInitContainersAnnotationKey] = string(value)
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} else {
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delete(out.Annotations, PodInitContainersAnnotationKey)
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}
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return nil
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}
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func Convert_v1_PodTemplateSpec_To_api_PodTemplateSpec(in *PodTemplateSpec, out *api.PodTemplateSpec, s conversion.Scope) error {
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// TODO: when we move init container to beta, remove these conversions
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if value, ok := in.Annotations[PodInitContainersAnnotationKey]; ok {
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var values []Container
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if err := json.Unmarshal([]byte(value), &values); err != nil {
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return err
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}
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in.Spec.InitContainers = values
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}
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if err := autoConvert_v1_PodTemplateSpec_To_api_PodTemplateSpec(in, out, s); err != nil {
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return err
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}
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delete(out.Annotations, PodInitContainersAnnotationKey)
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return nil
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}
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// The following two PodSpec conversions are done here to support ServiceAccount
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// as an alias for ServiceAccountName.
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func Convert_api_PodSpec_To_v1_PodSpec(in *api.PodSpec, out *PodSpec, s conversion.Scope) error {
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if in.Volumes != nil {
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out.Volumes = make([]Volume, len(in.Volumes))
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for i := range in.Volumes {
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if err := Convert_api_Volume_To_v1_Volume(&in.Volumes[i], &out.Volumes[i], s); err != nil {
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return err
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}
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}
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} else {
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out.Volumes = nil
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}
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if in.InitContainers != nil {
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out.InitContainers = make([]Container, len(in.InitContainers))
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for i := range in.InitContainers {
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if err := Convert_api_Container_To_v1_Container(&in.InitContainers[i], &out.InitContainers[i], s); err != nil {
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return err
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}
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}
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} else {
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out.InitContainers = nil
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}
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if in.Containers != nil {
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out.Containers = make([]Container, len(in.Containers))
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for i := range in.Containers {
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if err := Convert_api_Container_To_v1_Container(&in.Containers[i], &out.Containers[i], s); err != nil {
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return err
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}
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}
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} else {
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out.Containers = nil
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}
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out.RestartPolicy = RestartPolicy(in.RestartPolicy)
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if in.TerminationGracePeriodSeconds != nil {
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out.TerminationGracePeriodSeconds = new(int64)
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*out.TerminationGracePeriodSeconds = *in.TerminationGracePeriodSeconds
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} else {
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out.TerminationGracePeriodSeconds = nil
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}
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if in.ActiveDeadlineSeconds != nil {
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out.ActiveDeadlineSeconds = new(int64)
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*out.ActiveDeadlineSeconds = *in.ActiveDeadlineSeconds
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} else {
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out.ActiveDeadlineSeconds = nil
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}
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out.DNSPolicy = DNSPolicy(in.DNSPolicy)
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if in.NodeSelector != nil {
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out.NodeSelector = make(map[string]string)
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for key, val := range in.NodeSelector {
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out.NodeSelector[key] = val
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}
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} else {
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out.NodeSelector = nil
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}
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out.ServiceAccountName = in.ServiceAccountName
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// DeprecatedServiceAccount is an alias for ServiceAccountName.
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out.DeprecatedServiceAccount = in.ServiceAccountName
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out.NodeName = in.NodeName
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if in.SecurityContext != nil {
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out.SecurityContext = new(PodSecurityContext)
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if err := Convert_api_PodSecurityContext_To_v1_PodSecurityContext(in.SecurityContext, out.SecurityContext, s); err != nil {
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return err
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}
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// the host namespace fields have to be handled here for backward compatibility
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// with v1.0.0
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out.HostPID = in.SecurityContext.HostPID
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out.HostNetwork = in.SecurityContext.HostNetwork
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out.HostIPC = in.SecurityContext.HostIPC
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}
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if in.ImagePullSecrets != nil {
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out.ImagePullSecrets = make([]LocalObjectReference, len(in.ImagePullSecrets))
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for i := range in.ImagePullSecrets {
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if err := Convert_api_LocalObjectReference_To_v1_LocalObjectReference(&in.ImagePullSecrets[i], &out.ImagePullSecrets[i], s); err != nil {
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return err
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}
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}
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} else {
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out.ImagePullSecrets = nil
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}
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out.Hostname = in.Hostname
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out.Subdomain = in.Subdomain
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return nil
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}
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func Convert_v1_PodSpec_To_api_PodSpec(in *PodSpec, out *api.PodSpec, s conversion.Scope) error {
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SetDefaults_PodSpec(in)
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if in.Volumes != nil {
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out.Volumes = make([]api.Volume, len(in.Volumes))
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for i := range in.Volumes {
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if err := Convert_v1_Volume_To_api_Volume(&in.Volumes[i], &out.Volumes[i], s); err != nil {
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return err
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}
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}
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} else {
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out.Volumes = nil
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}
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if in.InitContainers != nil {
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out.InitContainers = make([]api.Container, len(in.InitContainers))
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for i := range in.InitContainers {
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if err := Convert_v1_Container_To_api_Container(&in.InitContainers[i], &out.InitContainers[i], s); err != nil {
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return err
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}
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}
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} else {
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out.InitContainers = nil
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}
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if in.Containers != nil {
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out.Containers = make([]api.Container, len(in.Containers))
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for i := range in.Containers {
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if err := Convert_v1_Container_To_api_Container(&in.Containers[i], &out.Containers[i], s); err != nil {
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return err
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}
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}
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} else {
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out.Containers = nil
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}
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out.RestartPolicy = api.RestartPolicy(in.RestartPolicy)
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if in.TerminationGracePeriodSeconds != nil {
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out.TerminationGracePeriodSeconds = new(int64)
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*out.TerminationGracePeriodSeconds = *in.TerminationGracePeriodSeconds
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} else {
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out.TerminationGracePeriodSeconds = nil
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}
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if in.ActiveDeadlineSeconds != nil {
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out.ActiveDeadlineSeconds = new(int64)
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*out.ActiveDeadlineSeconds = *in.ActiveDeadlineSeconds
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} else {
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out.ActiveDeadlineSeconds = nil
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}
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out.DNSPolicy = api.DNSPolicy(in.DNSPolicy)
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if in.NodeSelector != nil {
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out.NodeSelector = make(map[string]string)
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for key, val := range in.NodeSelector {
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out.NodeSelector[key] = val
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}
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} else {
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out.NodeSelector = nil
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}
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// We support DeprecatedServiceAccount as an alias for ServiceAccountName.
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// If both are specified, ServiceAccountName (the new field) wins.
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out.ServiceAccountName = in.ServiceAccountName
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if in.ServiceAccountName == "" {
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out.ServiceAccountName = in.DeprecatedServiceAccount
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}
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out.NodeName = in.NodeName
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if in.SecurityContext != nil {
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out.SecurityContext = new(api.PodSecurityContext)
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if err := Convert_v1_PodSecurityContext_To_api_PodSecurityContext(in.SecurityContext, out.SecurityContext, s); err != nil {
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return err
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}
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}
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// the host namespace fields have to be handled specially for backward compatibility
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// with v1.0.0
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if out.SecurityContext == nil {
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out.SecurityContext = new(api.PodSecurityContext)
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}
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out.SecurityContext.HostNetwork = in.HostNetwork
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out.SecurityContext.HostPID = in.HostPID
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out.SecurityContext.HostIPC = in.HostIPC
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if in.ImagePullSecrets != nil {
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out.ImagePullSecrets = make([]api.LocalObjectReference, len(in.ImagePullSecrets))
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for i := range in.ImagePullSecrets {
|
|
if err := Convert_v1_LocalObjectReference_To_api_LocalObjectReference(&in.ImagePullSecrets[i], &out.ImagePullSecrets[i], s); err != nil {
|
|
return err
|
|
}
|
|
}
|
|
} else {
|
|
out.ImagePullSecrets = nil
|
|
}
|
|
out.Hostname = in.Hostname
|
|
out.Subdomain = in.Subdomain
|
|
return nil
|
|
}
|
|
|
|
func Convert_api_Pod_To_v1_Pod(in *api.Pod, out *Pod, s conversion.Scope) error {
|
|
if err := autoConvert_api_Pod_To_v1_Pod(in, out, s); err != nil {
|
|
return err
|
|
}
|
|
|
|
// TODO: when we move init container to beta, remove these conversions
|
|
if len(out.Spec.InitContainers) > 0 {
|
|
if out.Annotations == nil {
|
|
out.Annotations = make(map[string]string)
|
|
}
|
|
value, err := json.Marshal(out.Spec.InitContainers)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
out.Annotations[PodInitContainersAnnotationKey] = string(value)
|
|
} else {
|
|
delete(out.Annotations, PodInitContainersAnnotationKey)
|
|
}
|
|
if len(out.Status.InitContainerStatuses) > 0 {
|
|
if out.Annotations == nil {
|
|
out.Annotations = make(map[string]string)
|
|
}
|
|
value, err := json.Marshal(out.Status.InitContainerStatuses)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
out.Annotations[PodInitContainerStatusesAnnotationKey] = string(value)
|
|
} else {
|
|
delete(out.Annotations, PodInitContainerStatusesAnnotationKey)
|
|
}
|
|
|
|
// We need to reset certain fields for mirror pods from pre-v1.1 kubelet
|
|
// (#15960).
|
|
// TODO: Remove this code after we drop support for v1.0 kubelets.
|
|
if value, ok := in.Annotations[mirrorAnnotationKey]; ok && value == mirrorAnnotationValue_1_0 {
|
|
// Reset the TerminationGracePeriodSeconds.
|
|
out.Spec.TerminationGracePeriodSeconds = nil
|
|
// Reset the resource requests.
|
|
for i := range out.Spec.Containers {
|
|
out.Spec.Containers[i].Resources.Requests = nil
|
|
}
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func Convert_v1_Pod_To_api_Pod(in *Pod, out *api.Pod, s conversion.Scope) error {
|
|
// TODO: when we move init container to beta, remove these conversions
|
|
if value, ok := in.Annotations[PodInitContainersAnnotationKey]; ok {
|
|
var values []Container
|
|
if err := json.Unmarshal([]byte(value), &values); err != nil {
|
|
return err
|
|
}
|
|
in.Spec.InitContainers = values
|
|
}
|
|
if value, ok := in.Annotations[PodInitContainerStatusesAnnotationKey]; ok {
|
|
var values []ContainerStatus
|
|
if err := json.Unmarshal([]byte(value), &values); err != nil {
|
|
return err
|
|
}
|
|
in.Status.InitContainerStatuses = values
|
|
}
|
|
|
|
if err := autoConvert_v1_Pod_To_api_Pod(in, out, s); err != nil {
|
|
return err
|
|
}
|
|
delete(out.Annotations, PodInitContainersAnnotationKey)
|
|
delete(out.Annotations, PodInitContainerStatusesAnnotationKey)
|
|
return nil
|
|
}
|
|
|
|
func Convert_api_ServiceSpec_To_v1_ServiceSpec(in *api.ServiceSpec, out *ServiceSpec, s conversion.Scope) error {
|
|
if err := autoConvert_api_ServiceSpec_To_v1_ServiceSpec(in, out, s); err != nil {
|
|
return err
|
|
}
|
|
// Publish both externalIPs and deprecatedPublicIPs fields in v1.
|
|
for _, ip := range in.ExternalIPs {
|
|
out.DeprecatedPublicIPs = append(out.DeprecatedPublicIPs, ip)
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func Convert_v1_ServiceSpec_To_api_ServiceSpec(in *ServiceSpec, out *api.ServiceSpec, s conversion.Scope) error {
|
|
if err := autoConvert_v1_ServiceSpec_To_api_ServiceSpec(in, out, s); err != nil {
|
|
return err
|
|
}
|
|
// Prefer the legacy deprecatedPublicIPs field, if provided.
|
|
if len(in.DeprecatedPublicIPs) > 0 {
|
|
out.ExternalIPs = nil
|
|
for _, ip := range in.DeprecatedPublicIPs {
|
|
out.ExternalIPs = append(out.ExternalIPs, ip)
|
|
}
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func Convert_api_PodSecurityContext_To_v1_PodSecurityContext(in *api.PodSecurityContext, out *PodSecurityContext, s conversion.Scope) error {
|
|
out.SupplementalGroups = in.SupplementalGroups
|
|
if in.SELinuxOptions != nil {
|
|
out.SELinuxOptions = new(SELinuxOptions)
|
|
if err := Convert_api_SELinuxOptions_To_v1_SELinuxOptions(in.SELinuxOptions, out.SELinuxOptions, s); err != nil {
|
|
return err
|
|
}
|
|
} else {
|
|
out.SELinuxOptions = nil
|
|
}
|
|
if in.RunAsUser != nil {
|
|
out.RunAsUser = new(int64)
|
|
*out.RunAsUser = *in.RunAsUser
|
|
} else {
|
|
out.RunAsUser = nil
|
|
}
|
|
if in.RunAsNonRoot != nil {
|
|
out.RunAsNonRoot = new(bool)
|
|
*out.RunAsNonRoot = *in.RunAsNonRoot
|
|
} else {
|
|
out.RunAsNonRoot = nil
|
|
}
|
|
if in.FSGroup != nil {
|
|
out.FSGroup = new(int64)
|
|
*out.FSGroup = *in.FSGroup
|
|
} else {
|
|
out.FSGroup = nil
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func Convert_v1_PodSecurityContext_To_api_PodSecurityContext(in *PodSecurityContext, out *api.PodSecurityContext, s conversion.Scope) error {
|
|
out.SupplementalGroups = in.SupplementalGroups
|
|
if in.SELinuxOptions != nil {
|
|
out.SELinuxOptions = new(api.SELinuxOptions)
|
|
if err := Convert_v1_SELinuxOptions_To_api_SELinuxOptions(in.SELinuxOptions, out.SELinuxOptions, s); err != nil {
|
|
return err
|
|
}
|
|
} else {
|
|
out.SELinuxOptions = nil
|
|
}
|
|
if in.RunAsUser != nil {
|
|
out.RunAsUser = new(int64)
|
|
*out.RunAsUser = *in.RunAsUser
|
|
} else {
|
|
out.RunAsUser = nil
|
|
}
|
|
if in.RunAsNonRoot != nil {
|
|
out.RunAsNonRoot = new(bool)
|
|
*out.RunAsNonRoot = *in.RunAsNonRoot
|
|
} else {
|
|
out.RunAsNonRoot = nil
|
|
}
|
|
if in.FSGroup != nil {
|
|
out.FSGroup = new(int64)
|
|
*out.FSGroup = *in.FSGroup
|
|
} else {
|
|
out.FSGroup = nil
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func Convert_v1_ResourceList_To_api_ResourceList(in *ResourceList, out *api.ResourceList, s conversion.Scope) error {
|
|
if *in == nil {
|
|
return nil
|
|
}
|
|
|
|
converted := make(api.ResourceList)
|
|
for key, val := range *in {
|
|
value := val.Copy()
|
|
|
|
// TODO(#18538): We round up resource values to milli scale to maintain API compatibility.
|
|
// In the future, we should instead reject values that need rounding.
|
|
const milliScale = -3
|
|
value.RoundUp(milliScale)
|
|
|
|
converted[api.ResourceName(key)] = *value
|
|
}
|
|
|
|
*out = converted
|
|
return nil
|
|
}
|