github.com/timstclair/heapster@v0.20.0-alpha1/Godeps/_workspace/src/k8s.io/kubernetes/pkg/api/conversion.go (about)

     1  /*
     2  Copyright 2014 The Kubernetes Authors All rights reserved.
     3  
     4  Licensed under the Apache License, Version 2.0 (the "License");
     5  you may not use this file except in compliance with the License.
     6  You may obtain a copy of the License at
     7  
     8      http://www.apache.org/licenses/LICENSE-2.0
     9  
    10  Unless required by applicable law or agreed to in writing, software
    11  distributed under the License is distributed on an "AS IS" BASIS,
    12  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13  See the License for the specific language governing permissions and
    14  limitations under the License.
    15  */
    16  
    17  package api
    18  
    19  import (
    20  	"k8s.io/kubernetes/pkg/api/resource"
    21  	"k8s.io/kubernetes/pkg/api/unversioned"
    22  	"k8s.io/kubernetes/pkg/conversion"
    23  	"k8s.io/kubernetes/pkg/fields"
    24  	"k8s.io/kubernetes/pkg/labels"
    25  	"k8s.io/kubernetes/pkg/runtime"
    26  )
    27  
    28  // Codec is the identity codec for this package - it can only convert itself
    29  // to itself.
    30  var Codec = runtime.CodecFor(Scheme, "")
    31  
    32  func init() {
    33  	Scheme.AddDefaultingFuncs(
    34  		func(obj *ListOptions) {
    35  			obj.LabelSelector = labels.Everything()
    36  			obj.FieldSelector = fields.Everything()
    37  		},
    38  		// TODO: see about moving this into v1/defaults.go
    39  		func(obj *PodExecOptions) {
    40  			obj.Stderr = true
    41  			obj.Stdout = true
    42  		},
    43  		func(obj *PodAttachOptions) {
    44  			obj.Stderr = true
    45  			obj.Stdout = true
    46  		},
    47  	)
    48  	Scheme.AddConversionFuncs(
    49  		func(in *unversioned.Time, out *unversioned.Time, s conversion.Scope) error {
    50  			// Cannot deep copy these, because time.Time has unexported fields.
    51  			*out = *in
    52  			return nil
    53  		},
    54  		func(in *string, out *labels.Selector, s conversion.Scope) error {
    55  			selector, err := labels.Parse(*in)
    56  			if err != nil {
    57  				return err
    58  			}
    59  			*out = selector
    60  			return nil
    61  		},
    62  		func(in *string, out *fields.Selector, s conversion.Scope) error {
    63  			selector, err := fields.ParseSelector(*in)
    64  			if err != nil {
    65  				return err
    66  			}
    67  			*out = selector
    68  			return nil
    69  		},
    70  		func(in *labels.Selector, out *string, s conversion.Scope) error {
    71  			if *in == nil {
    72  				return nil
    73  			}
    74  			*out = (*in).String()
    75  			return nil
    76  		},
    77  		func(in *fields.Selector, out *string, s conversion.Scope) error {
    78  			if *in == nil {
    79  				return nil
    80  			}
    81  			*out = (*in).String()
    82  			return nil
    83  		},
    84  		func(in *string, out *unversioned.LabelSelector, s conversion.Scope) error {
    85  			selector, err := labels.Parse(*in)
    86  			if err != nil {
    87  				return err
    88  			}
    89  			*out = unversioned.LabelSelector{selector}
    90  			return nil
    91  		},
    92  		func(in *string, out *unversioned.FieldSelector, s conversion.Scope) error {
    93  			selector, err := fields.ParseSelector(*in)
    94  			if err != nil {
    95  				return err
    96  			}
    97  			*out = unversioned.FieldSelector{selector}
    98  			return nil
    99  		},
   100  		func(in *[]string, out *unversioned.LabelSelector, s conversion.Scope) error {
   101  			selectorString := ""
   102  			if len(*in) > 0 {
   103  				selectorString = (*in)[0]
   104  			}
   105  			selector, err := labels.Parse(selectorString)
   106  			if err != nil {
   107  				return err
   108  			}
   109  			*out = unversioned.LabelSelector{selector}
   110  			return nil
   111  		},
   112  		func(in *[]string, out *unversioned.FieldSelector, s conversion.Scope) error {
   113  			selectorString := ""
   114  			if len(*in) > 0 {
   115  				selectorString = (*in)[0]
   116  			}
   117  			selector, err := fields.ParseSelector(selectorString)
   118  			if err != nil {
   119  				return err
   120  			}
   121  			*out = unversioned.FieldSelector{selector}
   122  			return nil
   123  		},
   124  		func(in *unversioned.LabelSelector, out *string, s conversion.Scope) error {
   125  			if in.Selector == nil {
   126  				return nil
   127  			}
   128  			*out = in.Selector.String()
   129  			return nil
   130  		},
   131  		func(in *unversioned.FieldSelector, out *string, s conversion.Scope) error {
   132  			if in.Selector == nil {
   133  				return nil
   134  			}
   135  			*out = in.Selector.String()
   136  			return nil
   137  		},
   138  		func(in *resource.Quantity, out *resource.Quantity, s conversion.Scope) error {
   139  			// Cannot deep copy these, because inf.Dec has unexported fields.
   140  			*out = *in.Copy()
   141  			return nil
   142  		},
   143  	)
   144  }