01f3785426
Getting the public IP a container is supposed to use is O(hard), and usually involves ugly gyrations in python or with interfaces. Using the downward API means that the IP Kube is announcing to other endpoints is also visible inside the container for pods to identify themselves.
362 lines
11 KiB
Go
362 lines
11 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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"fmt"
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"reflect"
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"k8s.io/kubernetes/pkg/api"
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"k8s.io/kubernetes/pkg/conversion"
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)
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func addConversionFuncs() {
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// Add non-generated conversion functions
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err := api.Scheme.AddConversionFuncs(
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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_v1_PodSpec_To_api_PodSpec,
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convert_v1_ReplicationControllerSpec_To_api_ReplicationControllerSpec,
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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 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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"status.phase",
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"status.podIP",
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"spec.nodeName":
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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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"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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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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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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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", "ServiceAccount",
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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", "Endpoints",
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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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}
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func convert_api_ReplicationControllerSpec_To_v1_ReplicationControllerSpec(in *api.ReplicationControllerSpec, out *ReplicationControllerSpec, s conversion.Scope) error {
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if defaulting, found := s.DefaultingInterface(reflect.TypeOf(*in)); found {
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defaulting.(func(*api.ReplicationControllerSpec))(in)
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}
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out.Replicas = new(int)
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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(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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if defaulting, found := s.DefaultingInterface(reflect.TypeOf(*in)); found {
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defaulting.(func(*ReplicationControllerSpec))(in)
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}
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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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// 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 defaulting, found := s.DefaultingInterface(reflect.TypeOf(*in)); found {
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defaulting.(func(*api.PodSpec))(in)
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}
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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.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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out.HostNetwork = in.HostNetwork
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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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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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if defaulting, found := s.DefaultingInterface(reflect.TypeOf(*in)); found {
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defaulting.(func(*PodSpec))(in)
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}
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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.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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out.HostNetwork = in.HostNetwork
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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 {
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if err := convert_v1_LocalObjectReference_To_api_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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return nil
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}
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