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conversion.go
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conversion.go
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/*
Copyright 2014 Google Inc. All rights reserved.
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 api
import (
"github.com/GoogleCloudPlatform/kubernetes/pkg/conversion"
"github.com/GoogleCloudPlatform/kubernetes/pkg/runtime"
)
// Codec is the identity codec for this package - it can only convert itself
// to itself.
var Codec = runtime.CodecFor(Scheme, "")
func init() {
Scheme.AddConversionFuncs(
// Convert ContainerManifest to BoundPod
func(in *ContainerManifest, out *BoundPod, s conversion.Scope) error {
out.Spec.Containers = in.Containers
out.Spec.Volumes = in.Volumes
out.Spec.RestartPolicy = in.RestartPolicy
out.Name = in.ID
out.UID = in.UUID
// TODO(dchen1107): Move this conversion to pkg/api/v1beta[123]/conversion.go
// along with fixing #1502
for i := range out.Spec.Containers {
ctr := &out.Spec.Containers[i]
if len(ctr.TerminationMessagePath) == 0 {
ctr.TerminationMessagePath = TerminationMessagePathDefault
}
}
return nil
},
func(in *BoundPod, out *ContainerManifest, s conversion.Scope) error {
out.Containers = in.Spec.Containers
out.Volumes = in.Spec.Volumes
out.RestartPolicy = in.Spec.RestartPolicy
out.Version = "v1beta2"
out.ID = in.Name
out.UUID = in.UID
for i := range out.Containers {
ctr := &out.Containers[i]
if len(ctr.TerminationMessagePath) == 0 {
ctr.TerminationMessagePath = TerminationMessagePathDefault
}
}
return nil
},
// ContainerManifestList
func(in *ContainerManifestList, out *BoundPods, s conversion.Scope) error {
if err := s.Convert(&in.Items, &out.Items, 0); err != nil {
return err
}
for i := range out.Items {
item := &out.Items[i]
item.ResourceVersion = in.ResourceVersion
}
return nil
},
func(in *BoundPods, out *ContainerManifestList, s conversion.Scope) error {
if err := s.Convert(&in.Items, &out.Items, 0); err != nil {
return err
}
out.ResourceVersion = in.ResourceVersion
return nil
},
// Convert Pod to BoundPod
func(in *Pod, out *BoundPod, s conversion.Scope) error {
if err := s.Convert(&in.Spec, &out.Spec, 0); err != nil {
return err
}
// Only copy a subset of fields, and override manifest attributes with the pod
// metadata
out.UID = in.UID
out.Name = in.Name
out.Namespace = in.Namespace
out.CreationTimestamp = in.CreationTimestamp
return nil
},
// Conversion between Manifest and PodSpec
func(in *PodSpec, out *ContainerManifest, s conversion.Scope) error {
if err := s.Convert(&in.Volumes, &out.Volumes, 0); err != nil {
return err
}
if err := s.Convert(&in.Containers, &out.Containers, 0); err != nil {
return err
}
if err := s.Convert(&in.RestartPolicy, &out.RestartPolicy, 0); err != nil {
return err
}
out.Version = "v1beta2"
return nil
},
func(in *ContainerManifest, out *PodSpec, s conversion.Scope) error {
if err := s.Convert(&in.Volumes, &out.Volumes, 0); err != nil {
return err
}
if err := s.Convert(&in.Containers, &out.Containers, 0); err != nil {
return err
}
if err := s.Convert(&in.RestartPolicy, &out.RestartPolicy, 0); err != nil {
return err
}
return nil
},
)
}