objectrestarter.go

Documentation: k8s.io/kubectl/pkg/polymorphichelpers

     1  /*
     2  Copyright 2018 The Kubernetes Authors.
     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 polymorphichelpers
    18  
    19  import (
    20  	"errors"
    21  	"fmt"
    22  	"time"
    23  
    24  	appsv1 "k8s.io/api/apps/v1"
    25  	appsv1beta1 "k8s.io/api/apps/v1beta1"
    26  	appsv1beta2 "k8s.io/api/apps/v1beta2"
    27  	extensionsv1beta1 "k8s.io/api/extensions/v1beta1"
    28  	"k8s.io/apimachinery/pkg/runtime"
    29  	"k8s.io/kubectl/pkg/scheme"
    30  )
    31  
    32  func defaultObjectRestarter(obj runtime.Object) ([]byte, error) {
    33  	switch obj := obj.(type) {
    34  	case *extensionsv1beta1.Deployment:
    35  		if obj.Spec.Paused {
    36  			return nil, errors.New("can't restart paused deployment (run rollout resume first)")
    37  		}
    38  		if obj.Spec.Template.ObjectMeta.Annotations == nil {
    39  			obj.Spec.Template.ObjectMeta.Annotations = make(map[string]string)
    40  		}
    41  		obj.Spec.Template.ObjectMeta.Annotations["kubectl.kubernetes.io/restartedAt"] = time.Now().Format(time.RFC3339)
    42  		return runtime.Encode(scheme.Codecs.LegacyCodec(extensionsv1beta1.SchemeGroupVersion), obj)
    43  
    44  	case *appsv1.Deployment:
    45  		if obj.Spec.Paused {
    46  			return nil, errors.New("can't restart paused deployment (run rollout resume first)")
    47  		}
    48  		if obj.Spec.Template.ObjectMeta.Annotations == nil {
    49  			obj.Spec.Template.ObjectMeta.Annotations = make(map[string]string)
    50  		}
    51  		obj.Spec.Template.ObjectMeta.Annotations["kubectl.kubernetes.io/restartedAt"] = time.Now().Format(time.RFC3339)
    52  		return runtime.Encode(scheme.Codecs.LegacyCodec(appsv1.SchemeGroupVersion), obj)
    53  
    54  	case *appsv1beta2.Deployment:
    55  		if obj.Spec.Paused {
    56  			return nil, errors.New("can't restart paused deployment (run rollout resume first)")
    57  		}
    58  		if obj.Spec.Template.ObjectMeta.Annotations == nil {
    59  			obj.Spec.Template.ObjectMeta.Annotations = make(map[string]string)
    60  		}
    61  		obj.Spec.Template.ObjectMeta.Annotations["kubectl.kubernetes.io/restartedAt"] = time.Now().Format(time.RFC3339)
    62  		return runtime.Encode(scheme.Codecs.LegacyCodec(appsv1beta2.SchemeGroupVersion), obj)
    63  
    64  	case *appsv1beta1.Deployment:
    65  		if obj.Spec.Paused {
    66  			return nil, errors.New("can't restart paused deployment (run rollout resume first)")
    67  		}
    68  		if obj.Spec.Template.ObjectMeta.Annotations == nil {
    69  			obj.Spec.Template.ObjectMeta.Annotations = make(map[string]string)
    70  		}
    71  		obj.Spec.Template.ObjectMeta.Annotations["kubectl.kubernetes.io/restartedAt"] = time.Now().Format(time.RFC3339)
    72  		return runtime.Encode(scheme.Codecs.LegacyCodec(appsv1beta1.SchemeGroupVersion), obj)
    73  
    74  	case *extensionsv1beta1.DaemonSet:
    75  		if obj.Spec.Template.ObjectMeta.Annotations == nil {
    76  			obj.Spec.Template.ObjectMeta.Annotations = make(map[string]string)
    77  		}
    78  		obj.Spec.Template.ObjectMeta.Annotations["kubectl.kubernetes.io/restartedAt"] = time.Now().Format(time.RFC3339)
    79  		return runtime.Encode(scheme.Codecs.LegacyCodec(extensionsv1beta1.SchemeGroupVersion), obj)
    80  
    81  	case *appsv1.DaemonSet:
    82  		if obj.Spec.Template.ObjectMeta.Annotations == nil {
    83  			obj.Spec.Template.ObjectMeta.Annotations = make(map[string]string)
    84  		}
    85  		obj.Spec.Template.ObjectMeta.Annotations["kubectl.kubernetes.io/restartedAt"] = time.Now().Format(time.RFC3339)
    86  		return runtime.Encode(scheme.Codecs.LegacyCodec(appsv1.SchemeGroupVersion), obj)
    87  
    88  	case *appsv1beta2.DaemonSet:
    89  		if obj.Spec.Template.ObjectMeta.Annotations == nil {
    90  			obj.Spec.Template.ObjectMeta.Annotations = make(map[string]string)
    91  		}
    92  		obj.Spec.Template.ObjectMeta.Annotations["kubectl.kubernetes.io/restartedAt"] = time.Now().Format(time.RFC3339)
    93  		return runtime.Encode(scheme.Codecs.LegacyCodec(appsv1beta2.SchemeGroupVersion), obj)
    94  
    95  	case *appsv1.StatefulSet:
    96  		if obj.Spec.Template.ObjectMeta.Annotations == nil {
    97  			obj.Spec.Template.ObjectMeta.Annotations = make(map[string]string)
    98  		}
    99  		obj.Spec.Template.ObjectMeta.Annotations["kubectl.kubernetes.io/restartedAt"] = time.Now().Format(time.RFC3339)
   100  		return runtime.Encode(scheme.Codecs.LegacyCodec(appsv1.SchemeGroupVersion), obj)
   101  
   102  	case *appsv1beta1.StatefulSet:
   103  		if obj.Spec.Template.ObjectMeta.Annotations == nil {
   104  			obj.Spec.Template.ObjectMeta.Annotations = make(map[string]string)
   105  		}
   106  		obj.Spec.Template.ObjectMeta.Annotations["kubectl.kubernetes.io/restartedAt"] = time.Now().Format(time.RFC3339)
   107  		return runtime.Encode(scheme.Codecs.LegacyCodec(appsv1beta1.SchemeGroupVersion), obj)
   108  
   109  	case *appsv1beta2.StatefulSet:
   110  		if obj.Spec.Template.ObjectMeta.Annotations == nil {
   111  			obj.Spec.Template.ObjectMeta.Annotations = make(map[string]string)
   112  		}
   113  		obj.Spec.Template.ObjectMeta.Annotations["kubectl.kubernetes.io/restartedAt"] = time.Now().Format(time.RFC3339)
   114  		return runtime.Encode(scheme.Codecs.LegacyCodec(appsv1beta2.SchemeGroupVersion), obj)
   115  
   116  	default:
   117  		return nil, fmt.Errorf("restarting is not supported")
   118  	}
   119  }
   120
View as plain text