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Deployments under apps/v1beta1 with new defaults

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This commit is contained in:
Maciej Szulik
2017-01-10 17:25:32 +01:00
parent ac05be73ac
commit c272630b1b
28 changed files with 926 additions and 50 deletions
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5
pkg/apis/apps/register.go
View File

@@ -19,6 +19,7 @@ package apps
import (
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/runtime/schema"
"k8s.io/kubernetes/pkg/apis/extensions"
)
var (
@@ -46,6 +47,10 @@ func Resource(resource string) schema.GroupResource {
func addKnownTypes(scheme *runtime.Scheme) error {
// TODO this will get cleaned up with the scheme types are fixed
scheme.AddKnownTypes(SchemeGroupVersion,
&extensions.Deployment{},
&extensions.DeploymentList{},
&extensions.DeploymentRollback{},
&extensions.Scale{},
&StatefulSet{},
&StatefulSetList{},
)

193
pkg/apis/apps/v1beta1/conversion.go
View File

@@ -22,9 +22,11 @@ import (
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/conversion"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/util/intstr"
"k8s.io/kubernetes/pkg/api"
v1 "k8s.io/kubernetes/pkg/api/v1"
"k8s.io/kubernetes/pkg/api/v1"
"k8s.io/kubernetes/pkg/apis/apps"
"k8s.io/kubernetes/pkg/apis/extensions"
)
func addConversionFuncs(scheme *runtime.Scheme) error {
@@ -35,21 +37,49 @@ func addConversionFuncs(scheme *runtime.Scheme) error {
err := scheme.AddConversionFuncs(
Convert_v1beta1_StatefulSetSpec_To_apps_StatefulSetSpec,
Convert_apps_StatefulSetSpec_To_v1beta1_StatefulSetSpec,
// extensions
// TODO: below conversions should be dropped in favor of auto-generated
// ones, see https://github.com/kubernetes/kubernetextensionsssues/39865
Convert_v1beta1_ScaleStatus_To_extensions_ScaleStatus,
Convert_extensions_ScaleStatus_To_v1beta1_ScaleStatus,
Convert_v1beta1_DeploymentSpec_To_extensions_DeploymentSpec,
Convert_extensions_DeploymentSpec_To_v1beta1_DeploymentSpec,
Convert_v1beta1_DeploymentStrategy_To_extensions_DeploymentStrategy,
Convert_extensions_DeploymentStrategy_To_v1beta1_DeploymentStrategy,
Convert_v1beta1_RollingUpdateDeployment_To_extensions_RollingUpdateDeployment,
Convert_extensions_RollingUpdateDeployment_To_v1beta1_RollingUpdateDeployment,
)
if err != nil {
return err
}
return scheme.AddFieldLabelConversionFunc("apps/v1beta1", "StatefulSet",
// Add field label conversions for kinds having selectable nothing but ObjectMeta fields.
err = scheme.AddFieldLabelConversionFunc("apps/v1beta1", "StatefulSet",
func(label, value string) (string, string, error) {
switch label {
case "metadata.name", "metadata.namespace", "status.successful":
return label, value, nil
default:
return "", "", fmt.Errorf("field label not supported: %s", label)
return "", "", fmt.Errorf("field label not supported for StatefulSet: %s", label)
}
},
)
})
if err != nil {
return err
}
err = api.Scheme.AddFieldLabelConversionFunc("apps/v1beta1", "Deployment",
func(label, value string) (string, string, error) {
switch label {
case "metadata.name", "metadata.namespace":
return label, value, nil
default:
return "", "", fmt.Errorf("field label %q not supported for Deployment", label)
}
})
if err != nil {
return err
}
return nil
}
func Convert_v1beta1_StatefulSetSpec_To_apps_StatefulSetSpec(in *StatefulSetSpec, out *apps.StatefulSetSpec, s conversion.Scope) error {
@@ -112,3 +142,156 @@ func Convert_apps_StatefulSetSpec_To_v1beta1_StatefulSetSpec(in *apps.StatefulSe
out.ServiceName = in.ServiceName
return nil
}
func Convert_extensions_ScaleStatus_To_v1beta1_ScaleStatus(in *extensions.ScaleStatus, out *ScaleStatus, s conversion.Scope) error {
out.Replicas = int32(in.Replicas)
out.Selector = nil
out.TargetSelector = ""
if in.Selector != nil {
if in.Selector.MatchExpressions == nil || len(in.Selector.MatchExpressions) == 0 {
out.Selector = in.Selector.MatchLabels
}
selector, err := metav1.LabelSelectorAsSelector(in.Selector)
if err != nil {
return fmt.Errorf("invalid label selector: %v", err)
}
out.TargetSelector = selector.String()
}
return nil
}
func Convert_v1beta1_ScaleStatus_To_extensions_ScaleStatus(in *ScaleStatus, out *extensions.ScaleStatus, s conversion.Scope) error {
out.Replicas = in.Replicas
// Normally when 2 fields map to the same internal value we favor the old field, since
// old clients can't be expected to know about new fields but clients that know about the
// new field can be expected to know about the old field (though that's not quite true, due
// to kubectl apply). However, these fields are readonly, so any non-nil value should work.
if in.TargetSelector != "" {
labelSelector, err := metav1.ParseToLabelSelector(in.TargetSelector)
if err != nil {
out.Selector = nil
return fmt.Errorf("failed to parse target selector: %v", err)
}
out.Selector = labelSelector
} else if in.Selector != nil {
out.Selector = new(metav1.LabelSelector)
selector := make(map[string]string)
for key, val := range in.Selector {
selector[key] = val
}
out.Selector.MatchLabels = selector
} else {
out.Selector = nil
}
return nil
}
func Convert_v1beta1_DeploymentSpec_To_extensions_DeploymentSpec(in *DeploymentSpec, out *extensions.DeploymentSpec, s conversion.Scope) error {
if in.Replicas != nil {
out.Replicas = *in.Replicas
}
out.Selector = in.Selector
if err := v1.Convert_v1_PodTemplateSpec_To_api_PodTemplateSpec(&in.Template, &out.Template, s); err != nil {
return err
}
if err := Convert_v1beta1_DeploymentStrategy_To_extensions_DeploymentStrategy(&in.Strategy, &out.Strategy, s); err != nil {
return err
}
out.RevisionHistoryLimit = in.RevisionHistoryLimit
out.MinReadySeconds = in.MinReadySeconds
out.Paused = in.Paused
if in.RollbackTo != nil {
out.RollbackTo = new(extensions.RollbackConfig)
out.RollbackTo.Revision = in.RollbackTo.Revision
} else {
out.RollbackTo = nil
}
if in.ProgressDeadlineSeconds != nil {
out.ProgressDeadlineSeconds = new(int32)
*out.ProgressDeadlineSeconds = *in.ProgressDeadlineSeconds
}
return nil
}
func Convert_extensions_DeploymentSpec_To_v1beta1_DeploymentSpec(in *extensions.DeploymentSpec, out *DeploymentSpec, s conversion.Scope) error {
out.Replicas = &in.Replicas
out.Selector = in.Selector
if err := v1.Convert_api_PodTemplateSpec_To_v1_PodTemplateSpec(&in.Template, &out.Template, s); err != nil {
return err
}
if err := Convert_extensions_DeploymentStrategy_To_v1beta1_DeploymentStrategy(&in.Strategy, &out.Strategy, s); err != nil {
return err
}
if in.RevisionHistoryLimit != nil {
out.RevisionHistoryLimit = new(int32)
*out.RevisionHistoryLimit = int32(*in.RevisionHistoryLimit)
}
out.MinReadySeconds = int32(in.MinReadySeconds)
out.Paused = in.Paused
if in.RollbackTo != nil {
out.RollbackTo = new(RollbackConfig)
out.RollbackTo.Revision = int64(in.RollbackTo.Revision)
} else {
out.RollbackTo = nil
}
if in.ProgressDeadlineSeconds != nil {
out.ProgressDeadlineSeconds = new(int32)
*out.ProgressDeadlineSeconds = *in.ProgressDeadlineSeconds
}
return nil
}
func Convert_extensions_DeploymentStrategy_To_v1beta1_DeploymentStrategy(in *extensions.DeploymentStrategy, out *DeploymentStrategy, s conversion.Scope) error {
out.Type = DeploymentStrategyType(in.Type)
if in.RollingUpdate != nil {
out.RollingUpdate = new(RollingUpdateDeployment)
if err := Convert_extensions_RollingUpdateDeployment_To_v1beta1_RollingUpdateDeployment(in.RollingUpdate, out.RollingUpdate, s); err != nil {
return err
}
} else {
out.RollingUpdate = nil
}
return nil
}
func Convert_v1beta1_DeploymentStrategy_To_extensions_DeploymentStrategy(in *DeploymentStrategy, out *extensions.DeploymentStrategy, s conversion.Scope) error {
out.Type = extensions.DeploymentStrategyType(in.Type)
if in.RollingUpdate != nil {
out.RollingUpdate = new(extensions.RollingUpdateDeployment)
if err := Convert_v1beta1_RollingUpdateDeployment_To_extensions_RollingUpdateDeployment(in.RollingUpdate, out.RollingUpdate, s); err != nil {
return err
}
} else {
out.RollingUpdate = nil
}
return nil
}
func Convert_v1beta1_RollingUpdateDeployment_To_extensions_RollingUpdateDeployment(in *RollingUpdateDeployment, out *extensions.RollingUpdateDeployment, s conversion.Scope) error {
if err := s.Convert(in.MaxUnavailable, &out.MaxUnavailable, 0); err != nil {
return err
}
if err := s.Convert(in.MaxSurge, &out.MaxSurge, 0); err != nil {
return err
}
return nil
}
func Convert_extensions_RollingUpdateDeployment_To_v1beta1_RollingUpdateDeployment(in *extensions.RollingUpdateDeployment, out *RollingUpdateDeployment, s conversion.Scope) error {
if out.MaxUnavailable == nil {
out.MaxUnavailable = &intstr.IntOrString{}
}
if err := s.Convert(&in.MaxUnavailable, out.MaxUnavailable, 0); err != nil {
return err
}
if out.MaxSurge == nil {
out.MaxSurge = &intstr.IntOrString{}
}
if err := s.Convert(&in.MaxSurge, out.MaxSurge, 0); err != nil {
return err
}
return nil
}

56
pkg/apis/apps/v1beta1/defaults.go
View File

@@ -19,12 +19,14 @@ package v1beta1
import (
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/util/intstr"
)
func addDefaultingFuncs(scheme *runtime.Scheme) error {
RegisterDefaults(scheme)
return scheme.AddDefaultingFuncs(
SetDefaults_StatefulSet,
SetDefaults_Deployment,
)
}
@@ -45,3 +47,57 @@ func SetDefaults_StatefulSet(obj *StatefulSet) {
*obj.Spec.Replicas = 1
}
}
// SetDefaults_Deployment sets additional defaults compared to its counterpart
// in extensions. These addons are:
// - MaxUnavailable during rolling update set to 25% (1 in extensions)
// - MaxSurge value during rolling update set to 25% (1 in extensions)
// - RevisionHistoryLimit set to 2 (not set in extensions)
// - ProgressDeadlineSeconds set to 600s (not set in extensions)
func SetDefaults_Deployment(obj *Deployment) {
// Default labels and selector to labels from pod template spec.
labels := obj.Spec.Template.Labels
if labels != nil {
if obj.Spec.Selector == nil {
obj.Spec.Selector = &metav1.LabelSelector{MatchLabels: labels}
}
if len(obj.Labels) == 0 {
obj.Labels = labels
}
}
// Set DeploymentSpec.Replicas to 1 if it is not set.
if obj.Spec.Replicas == nil {
obj.Spec.Replicas = new(int32)
*obj.Spec.Replicas = 1
}
strategy := &obj.Spec.Strategy
// Set default DeploymentStrategyType as RollingUpdate.
if strategy.Type == "" {
strategy.Type = RollingUpdateDeploymentStrategyType
}
if strategy.Type == RollingUpdateDeploymentStrategyType {
if strategy.RollingUpdate == nil {
rollingUpdate := RollingUpdateDeployment{}
strategy.RollingUpdate = &rollingUpdate
}
if strategy.RollingUpdate.MaxUnavailable == nil {
// Set default MaxUnavailable as 25% by default.
maxUnavailable := intstr.FromString("25%")
strategy.RollingUpdate.MaxUnavailable = &maxUnavailable
}
if strategy.RollingUpdate.MaxSurge == nil {
// Set default MaxSurge as 25% by default.
maxSurge := intstr.FromString("25%")
strategy.RollingUpdate.MaxSurge = &maxSurge
}
}
if obj.Spec.RevisionHistoryLimit == nil {
obj.Spec.RevisionHistoryLimit = new(int32)
*obj.Spec.RevisionHistoryLimit = 2
}
if obj.Spec.ProgressDeadlineSeconds == nil {
obj.Spec.ProgressDeadlineSeconds = new(int32)
*obj.Spec.ProgressDeadlineSeconds = 600
}
}

219
pkg/apis/apps/v1beta1/defaults_test.go Normal file
View File

@@ -0,0 +1,219 @@
/*
Copyright 2017 The Kubernetes Authors.
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 v1beta1_test
import (
"reflect"
"testing"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/util/intstr"
"k8s.io/kubernetes/pkg/api"
_ "k8s.io/kubernetes/pkg/api/install"
"k8s.io/kubernetes/pkg/api/v1"
_ "k8s.io/kubernetes/pkg/apis/apps/install"
. "k8s.io/kubernetes/pkg/apis/apps/v1beta1"
)
func TestSetDefaultDeployment(t *testing.T) {
defaultIntOrString := intstr.FromString("25%")
differentIntOrString := intstr.FromInt(5)
period := int64(v1.DefaultTerminationGracePeriodSeconds)
defaultTemplate := v1.PodTemplateSpec{
Spec: v1.PodSpec{
DNSPolicy: v1.DNSClusterFirst,
RestartPolicy: v1.RestartPolicyAlways,
SecurityContext: &v1.PodSecurityContext{},
TerminationGracePeriodSeconds: &period,
SchedulerName: api.DefaultSchedulerName,
},
}
tests := []struct {
original *Deployment
expected *Deployment
}{
{
original: &Deployment{},
expected: &Deployment{
Spec: DeploymentSpec{
Replicas: newInt32(1),
Strategy: DeploymentStrategy{
Type: RollingUpdateDeploymentStrategyType,
RollingUpdate: &RollingUpdateDeployment{
MaxSurge: &defaultIntOrString,
MaxUnavailable: &defaultIntOrString,
},
},
RevisionHistoryLimit: newInt32(2),
ProgressDeadlineSeconds: newInt32(600),
Template: defaultTemplate,
},
},
},
{
original: &Deployment{
Spec: DeploymentSpec{
Replicas: newInt32(5),
Strategy: DeploymentStrategy{
RollingUpdate: &RollingUpdateDeployment{
MaxSurge: &differentIntOrString,
},
},
},
},
expected: &Deployment{
Spec: DeploymentSpec{
Replicas: newInt32(5),
Strategy: DeploymentStrategy{
Type: RollingUpdateDeploymentStrategyType,
RollingUpdate: &RollingUpdateDeployment{
MaxSurge: &differentIntOrString,
MaxUnavailable: &defaultIntOrString,
},
},
RevisionHistoryLimit: newInt32(2),
ProgressDeadlineSeconds: newInt32(600),
Template: defaultTemplate,
},
},
},
{
original: &Deployment{
Spec: DeploymentSpec{
Replicas: newInt32(3),
Strategy: DeploymentStrategy{
Type: RollingUpdateDeploymentStrategyType,
RollingUpdate: nil,
},
},
},
expected: &Deployment{
Spec: DeploymentSpec{
Replicas: newInt32(3),
Strategy: DeploymentStrategy{
Type: RollingUpdateDeploymentStrategyType,
RollingUpdate: &RollingUpdateDeployment{
MaxSurge: &defaultIntOrString,
MaxUnavailable: &defaultIntOrString,
},
},
RevisionHistoryLimit: newInt32(2),
ProgressDeadlineSeconds: newInt32(600),
Template: defaultTemplate,
},
},
},
{
original: &Deployment{
Spec: DeploymentSpec{
Replicas: newInt32(5),
Strategy: DeploymentStrategy{
Type: RecreateDeploymentStrategyType,
},
RevisionHistoryLimit: newInt32(0),
},
},
expected: &Deployment{
Spec: DeploymentSpec{
Replicas: newInt32(5),
Strategy: DeploymentStrategy{
Type: RecreateDeploymentStrategyType,
},
RevisionHistoryLimit: newInt32(0),
ProgressDeadlineSeconds: newInt32(600),
Template: defaultTemplate,
},
},
},
{
original: &Deployment{
Spec: DeploymentSpec{
Replicas: newInt32(5),
Strategy: DeploymentStrategy{
Type: RecreateDeploymentStrategyType,
},
ProgressDeadlineSeconds: newInt32(30),
RevisionHistoryLimit: newInt32(2),
},
},
expected: &Deployment{
Spec: DeploymentSpec{
Replicas: newInt32(5),
Strategy: DeploymentStrategy{
Type: RecreateDeploymentStrategyType,
},
ProgressDeadlineSeconds: newInt32(30),
RevisionHistoryLimit: newInt32(2),
Template: defaultTemplate,
},
},
},
}
for _, test := range tests {
original := test.original
expected := test.expected
obj2 := roundTrip(t, runtime.Object(original))
got, ok := obj2.(*Deployment)
if !ok {
t.Errorf("unexpected object: %v", got)
t.FailNow()
}
if !reflect.DeepEqual(got.Spec, expected.Spec) {
t.Errorf("object mismatch!\nexpected:\n\t%+v\ngot:\n\t%+v", got.Spec, expected.Spec)
}
}
}
func TestDefaultDeploymentAvailability(t *testing.T) {
d := roundTrip(t, runtime.Object(&Deployment{})).(*Deployment)
maxUnavailable, err := intstr.GetValueFromIntOrPercent(d.Spec.Strategy.RollingUpdate.MaxUnavailable, int(*(d.Spec.Replicas)), false)
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
if *(d.Spec.Replicas)-int32(maxUnavailable) <= 0 {
t.Fatalf("the default value of maxUnavailable can lead to no active replicas during rolling update")
}
}
func roundTrip(t *testing.T, obj runtime.Object) runtime.Object {
data, err := runtime.Encode(api.Codecs.LegacyCodec(SchemeGroupVersion), obj)
if err != nil {
t.Errorf("%v\n %#v", err, obj)
return nil
}
obj2, err := runtime.Decode(api.Codecs.UniversalDecoder(), data)
if err != nil {
t.Errorf("%v\nData: %s\nSource: %#v", err, string(data), obj)
return nil
}
obj3 := reflect.New(reflect.TypeOf(obj).Elem()).Interface().(runtime.Object)
err = api.Scheme.Convert(obj2, obj3, nil)
if err != nil {
t.Errorf("%v\nSource: %#v", err, obj2)
return nil
}
return obj3
}
func newInt32(val int32) *int32 {
p := new(int32)
*p = val
return p
}

7
pkg/apis/apps/v1beta1/register.go
View File

@@ -41,12 +41,13 @@ var (
// Adds the list of known types to api.Scheme.
func addKnownTypes(scheme *runtime.Scheme) error {
scheme.AddKnownTypes(SchemeGroupVersion,
&Deployment{},
&DeploymentList{},
&DeploymentRollback{},
&Scale{},
&StatefulSet{},
&StatefulSetList{},
)
metav1.AddToGroupVersion(scheme, SchemeGroupVersion)
return nil
}
func (obj *StatefulSet) GetObjectKind() schema.ObjectKind { return &obj.TypeMeta }
func (obj *StatefulSetList) GetObjectKind() schema.ObjectKind { return &obj.TypeMeta }

267
pkg/apis/apps/v1beta1/types.go
View File

@@ -18,6 +18,7 @@ package v1beta1
import (
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/util/intstr"
"k8s.io/kubernetes/pkg/api/v1"
)
@@ -26,6 +27,51 @@ const (
StatefulSetInitAnnotation = "pod.alpha.kubernetes.io/initialized"
)
// ScaleSpec describes the attributes of a scale subresource
type ScaleSpec struct {
// desired number of instances for the scaled object.
// +optional
Replicas int32 `json:"replicas,omitempty" protobuf:"varint,1,opt,name=replicas"`
}
// ScaleStatus represents the current status of a scale subresource.
type ScaleStatus struct {
// actual number of observed instances of the scaled object.
Replicas int32 `json:"replicas" protobuf:"varint,1,opt,name=replicas"`
// label query over pods that should match the replicas count. More info: http://kubernetes.io/docs/user-guide/labels#label-selectors
// +optional
Selector map[string]string `json:"selector,omitempty" protobuf:"bytes,2,rep,name=selector"`
// label selector for pods that should match the replicas count. This is a serializated
// version of both map-based and more expressive set-based selectors. This is done to
// avoid introspection in the clients. The string will be in the same format as the
// query-param syntax. If the target type only supports map-based selectors, both this
// field and map-based selector field are populated.
// More info: http://kubernetes.io/docs/user-guide/labels#label-selectors
// +optional
TargetSelector string `json:"targetSelector,omitempty" protobuf:"bytes,3,opt,name=targetSelector"`
}
// +genclient=true
// +noMethods=true
// Scale represents a scaling request for a resource.
type Scale struct {
metav1.TypeMeta `json:",inline"`
// Standard object metadata; More info: http://releases.k8s.io/HEAD/docs/devel/api-conventions.md#metadata.
// +optional
metav1.ObjectMeta `json:"metadata,omitempty" protobuf:"bytes,1,opt,name=metadata"`
// defines the behavior of the scale. More info: http://releases.k8s.io/HEAD/docs/devel/api-conventions.md#spec-and-status.
// +optional
Spec ScaleSpec `json:"spec,omitempty" protobuf:"bytes,2,opt,name=spec"`
// current status of the scale. More info: http://releases.k8s.io/HEAD/docs/devel/api-conventions.md#spec-and-status. Read-only.
// +optional
Status ScaleStatus `json:"status,omitempty" protobuf:"bytes,3,opt,name=status"`
}
// +genclient=true
// StatefulSet represents a set of pods with consistent identities.
@@ -106,3 +152,224 @@ type StatefulSetList struct {
metav1.ListMeta `json:"metadata,omitempty" protobuf:"bytes,1,opt,name=metadata"`
Items []StatefulSet `json:"items" protobuf:"bytes,2,rep,name=items"`
}
// +genclient=true
// Deployment enables declarative updates for Pods and ReplicaSets.
type Deployment struct {
metav1.TypeMeta `json:",inline"`
// Standard object metadata.
// +optional
metav1.ObjectMeta `json:"metadata,omitempty" protobuf:"bytes,1,opt,name=metadata"`
// Specification of the desired behavior of the Deployment.
// +optional
Spec DeploymentSpec `json:"spec,omitempty" protobuf:"bytes,2,opt,name=spec"`
// Most recently observed status of the Deployment.
// +optional
Status DeploymentStatus `json:"status,omitempty" protobuf:"bytes,3,opt,name=status"`
}
// DeploymentSpec is the specification of the desired behavior of the Deployment.
type DeploymentSpec struct {
// Number of desired pods. This is a pointer to distinguish between explicit
// zero and not specified. Defaults to 1.
// +optional
Replicas *int32 `json:"replicas,omitempty" protobuf:"varint,1,opt,name=replicas"`
// Label selector for pods. Existing ReplicaSets whose pods are
// selected by this will be the ones affected by this deployment.
// +optional
Selector *metav1.LabelSelector `json:"selector,omitempty" protobuf:"bytes,2,opt,name=selector"`
// Template describes the pods that will be created.
Template v1.PodTemplateSpec `json:"template" protobuf:"bytes,3,opt,name=template"`
// The deployment strategy to use to replace existing pods with new ones.
// +optional
Strategy DeploymentStrategy `json:"strategy,omitempty" protobuf:"bytes,4,opt,name=strategy"`
// Minimum number of seconds for which a newly created pod should be ready
// without any of its container crashing, for it to be considered available.
// Defaults to 0 (pod will be considered available as soon as it is ready)
// +optional
MinReadySeconds int32 `json:"minReadySeconds,omitempty" protobuf:"varint,5,opt,name=minReadySeconds"`
// The number of old ReplicaSets to retain to allow rollback.
// This is a pointer to distinguish between explicit zero and not specified.
// Defaults to 2.
// +optional
RevisionHistoryLimit *int32 `json:"revisionHistoryLimit,omitempty" protobuf:"varint,6,opt,name=revisionHistoryLimit"`
// Indicates that the deployment is paused.
// +optional
Paused bool `json:"paused,omitempty" protobuf:"varint,7,opt,name=paused"`
// The config this deployment is rolling back to. Will be cleared after rollback is done.
// +optional
RollbackTo *RollbackConfig `json:"rollbackTo,omitempty" protobuf:"bytes,8,opt,name=rollbackTo"`
// The maximum time in seconds for a deployment to make progress before it
// is considered to be failed. The deployment controller will continue to
// process failed deployments and a condition with a ProgressDeadlineExceeded
// reason will be surfaced in the deployment status. Once autoRollback is
// implemented, the deployment controller will automatically rollback failed
// deployments. Note that progress will not be estimated during the time a
// deployment is paused. Defaults to 600s.
ProgressDeadlineSeconds *int32 `json:"progressDeadlineSeconds,omitempty" protobuf:"varint,9,opt,name=progressDeadlineSeconds"`
}
// DeploymentRollback stores the information required to rollback a deployment.
type DeploymentRollback struct {
metav1.TypeMeta `json:",inline"`
// Required: This must match the Name of a deployment.
Name string `json:"name" protobuf:"bytes,1,opt,name=name"`
// The annotations to be updated to a deployment
// +optional
UpdatedAnnotations map[string]string `json:"updatedAnnotations,omitempty" protobuf:"bytes,2,rep,name=updatedAnnotations"`
// The config of this deployment rollback.
RollbackTo RollbackConfig `json:"rollbackTo" protobuf:"bytes,3,opt,name=rollbackTo"`
}
type RollbackConfig struct {
// The revision to rollback to. If set to 0, rollbck to the last revision.
// +optional
Revision int64 `json:"revision,omitempty" protobuf:"varint,1,opt,name=revision"`
}
const (
// DefaultDeploymentUniqueLabelKey is the default key of the selector that is added
// to existing RCs (and label key that is added to its pods) to prevent the existing RCs
// to select new pods (and old pods being select by new RC).
DefaultDeploymentUniqueLabelKey string = "pod-template-hash"
)
// DeploymentStrategy describes how to replace existing pods with new ones.
type DeploymentStrategy struct {
// Type of deployment. Can be "Recreate" or "RollingUpdate". Default is RollingUpdate.
// +optional
Type DeploymentStrategyType `json:"type,omitempty" protobuf:"bytes,1,opt,name=type,casttype=DeploymentStrategyType"`
// Rolling update config params. Present only if DeploymentStrategyType =
// RollingUpdate.
//---
// TODO: Update this to follow our convention for oneOf, whatever we decide it
// to be.
// +optional
RollingUpdate *RollingUpdateDeployment `json:"rollingUpdate,omitempty" protobuf:"bytes,2,opt,name=rollingUpdate"`
}
type DeploymentStrategyType string
const (
// Kill all existing pods before creating new ones.
RecreateDeploymentStrategyType DeploymentStrategyType = "Recreate"
// Replace the old RCs by new one using rolling update i.e gradually scale down the old RCs and scale up the new one.
RollingUpdateDeploymentStrategyType DeploymentStrategyType = "RollingUpdate"
)
// Spec to control the desired behavior of rolling update.
type RollingUpdateDeployment struct {
// The maximum number of pods that can be unavailable during the update.
// Value can be an absolute number (ex: 5) or a percentage of desired pods (ex: 10%).
// Absolute number is calculated from percentage by rounding down.
// This can not be 0 if MaxSurge is 0.
// Defaults to 25%.
// Example: when this is set to 30%, the old RC can be scaled down to 70% of desired pods
// immediately when the rolling update starts. Once new pods are ready, old RC
// can be scaled down further, followed by scaling up the new RC, ensuring
// that the total number of pods available at all times during the update is at
// least 70% of desired pods.
// +optional
MaxUnavailable *intstr.IntOrString `json:"maxUnavailable,omitempty" protobuf:"bytes,1,opt,name=maxUnavailable"`
// The maximum number of pods that can be scheduled above the desired number of
// pods.
// Value can be an absolute number (ex: 5) or a percentage of desired pods (ex: 10%).
// This can not be 0 if MaxUnavailable is 0.
// Absolute number is calculated from percentage by rounding up.
// Defaults to 25%.
// Example: when this is set to 30%, the new RC can be scaled up immediately when
// the rolling update starts, such that the total number of old and new pods do not exceed
// 130% of desired pods. Once old pods have been killed,
// new RC can be scaled up further, ensuring that total number of pods running
// at any time during the update is atmost 130% of desired pods.
// +optional
MaxSurge *intstr.IntOrString `json:"maxSurge,omitempty" protobuf:"bytes,2,opt,name=maxSurge"`
}
// DeploymentStatus is the most recently observed status of the Deployment.
type DeploymentStatus struct {
// The generation observed by the deployment controller.
// +optional
ObservedGeneration int64 `json:"observedGeneration,omitempty" protobuf:"varint,1,opt,name=observedGeneration"`
// Total number of non-terminated pods targeted by this deployment (their labels match the selector).
// +optional
Replicas int32 `json:"replicas,omitempty" protobuf:"varint,2,opt,name=replicas"`
// Total number of non-terminated pods targeted by this deployment that have the desired template spec.
// +optional
UpdatedReplicas int32 `json:"updatedReplicas,omitempty" protobuf:"varint,3,opt,name=updatedReplicas"`
// Total number of ready pods targeted by this deployment.
// +optional
ReadyReplicas int32 `json:"readyReplicas,omitempty" protobuf:"varint,7,opt,name=readyReplicas"`
// Total number of available pods (ready for at least minReadySeconds) targeted by this deployment.
// +optional
AvailableReplicas int32 `json:"availableReplicas,omitempty" protobuf:"varint,4,opt,name=availableReplicas"`
// Total number of unavailable pods targeted by this deployment.
// +optional
UnavailableReplicas int32 `json:"unavailableReplicas,omitempty" protobuf:"varint,5,opt,name=unavailableReplicas"`
// Represents the latest available observations of a deployment's current state.
Conditions []DeploymentCondition `json:"conditions,omitempty" patchStrategy:"merge" patchMergeKey:"type" protobuf:"bytes,6,rep,name=conditions"`
}
type DeploymentConditionType string
// These are valid conditions of a deployment.
const (
// Available means the deployment is available, ie. at least the minimum available
// replicas required are up and running for at least minReadySeconds.
DeploymentAvailable DeploymentConditionType = "Available"
// Progressing means the deployment is progressing. Progress for a deployment is
// considered when a new replica set is created or adopted, and when new pods scale
// up or old pods scale down. Progress is not estimated for paused deployments or
// when progressDeadlineSeconds is not specified.
DeploymentProgressing DeploymentConditionType = "Progressing"
// ReplicaFailure is added in a deployment when one of its pods fails to be created
// or deleted.
DeploymentReplicaFailure DeploymentConditionType = "ReplicaFailure"
)
// DeploymentCondition describes the state of a deployment at a certain point.
type DeploymentCondition struct {
// Type of deployment condition.
Type DeploymentConditionType `json:"type" protobuf:"bytes,1,opt,name=type,casttype=DeploymentConditionType"`
// Status of the condition, one of True, False, Unknown.
Status v1.ConditionStatus `json:"status" protobuf:"bytes,2,opt,name=status,casttype=k8s.io/kubernetes/pkg/api/v1.ConditionStatus"`
// The last time this condition was updated.
LastUpdateTime metav1.Time `json:"lastUpdateTime,omitempty" protobuf:"bytes,6,opt,name=lastUpdateTime"`
// Last time the condition transitioned from one status to another.
LastTransitionTime metav1.Time `json:"lastTransitionTime,omitempty" protobuf:"bytes,7,opt,name=lastTransitionTime"`
// The reason for the condition's last transition.
Reason string `json:"reason,omitempty" protobuf:"bytes,4,opt,name=reason"`
// A human readable message indicating details about the transition.
Message string `json:"message,omitempty" protobuf:"bytes,5,opt,name=message"`
}
// DeploymentList is a list of Deployments.
type DeploymentList struct {
metav1.TypeMeta `json:",inline"`
// Standard list metadata.
// +optional
metav1.ListMeta `json:"metadata,omitempty" protobuf:"bytes,1,opt,name=metadata"`
// Items is the list of Deployments.
Items []Deployment `json:"items" protobuf:"bytes,2,rep,name=items"`
}

12
pkg/apis/extensions/v1beta1/defaults_test.go
View File

@@ -539,15 +539,3 @@ func newInt32(val int32) *int32 {
*p = val
return p
}
func newString(val string) *string {
p := new(string)
*p = val
return p
}
func newBool(val bool) *bool {
b := new(bool)
*b = val
return b
}

6
pkg/apis/extensions/validation/validation_test.go
View File

@@ -2808,9 +2808,3 @@ func TestIsValidSysctlPattern(t *testing.T) {
}
}
}
func newBool(val bool) *bool {
p := new(bool)
*p = val
return p
}