update api for future bluegreen

api/v1alpha1/batchrelease_plan_types.go

@@ -54,6 +54,16 @@ type ReleasePlan struct {
 	// only support for canary deployment
 	// +optional
 	PatchPodTemplateMetadata *PatchPodTemplateMetadata `json:"patchPodTemplateMetadata,omitempty"`
+	// RollingStyle can be "Canary", "Partiton" or "BlueGreen"
+	RollingStyle RollingStyleType `json:"rollingStyle,omitempty"`
+	// EnableExtraWorkloadForCanary indicates whether to create extra workload for canary
+	// True corresponds to RollingStyle "Canary".
+	// False corresponds to RollingStyle "Partiton".
+	// Ignored in BlueGreen-style.
+	// This field is about to deprecate, use RollingStyle instead.
+	// If both of them are set, controller will only consider this
+	// filed when RollingStyle is empty
+	EnableExtraWorkloadForCanary bool `json:"enableExtraWorkloadForCanary"`
 }
 
 type FinalizingPolicyType string

api/v1alpha1/conversion.go

@@ -104,18 +104,22 @@ func (src *Rollout) ConvertTo(dst conversion.Hub) error {
 			return nil
 		}
 		obj.Status.CanaryStatus = &v1beta1.CanaryStatus{
-			ObservedWorkloadGeneration: src.Status.CanaryStatus.ObservedWorkloadGeneration,
-			ObservedRolloutID:          src.Status.CanaryStatus.ObservedRolloutID,
-			RolloutHash:                src.Status.CanaryStatus.RolloutHash,
-			StableRevision:             src.Status.CanaryStatus.StableRevision,
-			CanaryRevision:             src.Status.CanaryStatus.CanaryRevision,
-			PodTemplateHash:            src.Status.CanaryStatus.PodTemplateHash,
-			CanaryReplicas:             src.Status.CanaryStatus.CanaryReplicas,
-			CanaryReadyReplicas:        src.Status.CanaryStatus.CanaryReadyReplicas,
-			CurrentStepIndex:           src.Status.CanaryStatus.CurrentStepIndex,
-			CurrentStepState:           v1beta1.CanaryStepState(src.Status.CanaryStatus.CurrentStepState),
-			Message:                    src.Status.CanaryStatus.Message,
-			LastUpdateTime:             src.Status.CanaryStatus.LastUpdateTime,
+			CommonStatus: v1beta1.CommonStatus{
+				ObservedWorkloadGeneration: src.Status.CanaryStatus.ObservedWorkloadGeneration,
+				ObservedRolloutID:          src.Status.CanaryStatus.ObservedRolloutID,
+				RolloutHash:                src.Status.CanaryStatus.RolloutHash,
+				StableRevision:             src.Status.CanaryStatus.StableRevision,
+				PodTemplateHash:            src.Status.CanaryStatus.PodTemplateHash,
+				CurrentStepIndex:           src.Status.CanaryStatus.CurrentStepIndex,
+				CurrentStepState:           v1beta1.CanaryStepState(src.Status.CanaryStatus.CurrentStepState),
+				Message:                    src.Status.CanaryStatus.Message,
+				LastUpdateTime:             src.Status.CanaryStatus.LastUpdateTime,
+				FinalisingStep:             v1beta1.FinalisingStepType(src.Status.CanaryStatus.FinalisingStep),
+				NextStepIndex:              src.Status.CanaryStatus.NextStepIndex,
+			},
+			CanaryRevision:      src.Status.CanaryStatus.CanaryRevision,
+			CanaryReplicas:      src.Status.CanaryStatus.CanaryReplicas,
+			CanaryReadyReplicas: src.Status.CanaryStatus.CanaryReadyReplicas,
 		}
 		return nil
 	default:
@@ -167,7 +171,9 @@ func (dst *Rollout) ConvertFrom(src conversion.Hub) error {
 	case *v1beta1.Rollout:
 		srcV1beta1 := src.(*v1beta1.Rollout)
 		dst.ObjectMeta = srcV1beta1.ObjectMeta
-
+		if !srcV1beta1.Spec.Strategy.IsCanaryStragegy() {
+			return fmt.Errorf("v1beta1 Rollout with %s strategy cannot be converted to v1alpha1", srcV1beta1.Spec.Strategy.GetRollingStyle())
+		}
 		// spec
 		dst.Spec = RolloutSpec{
 			ObjectRef: ObjectRef{
@@ -254,6 +260,8 @@ func (dst *Rollout) ConvertFrom(src conversion.Hub) error {
 			CurrentStepState:           CanaryStepState(srcV1beta1.Status.CanaryStatus.CurrentStepState),
 			Message:                    srcV1beta1.Status.CanaryStatus.Message,
 			LastUpdateTime:             srcV1beta1.Status.CanaryStatus.LastUpdateTime,
+			FinalisingStep:             FinalizeStateType(srcV1beta1.Status.CanaryStatus.FinalisingStep),
+			NextStepIndex:              srcV1beta1.Status.CanaryStatus.NextStepIndex,
 		}
 		return nil
 	default:
@@ -338,9 +346,18 @@ func (src *BatchRelease) ConvertTo(dst conversion.Hub) error {
 				obj.Spec.ReleasePlan.PatchPodTemplateMetadata.Labels[k] = v
 			}
 		}
-		if !strings.EqualFold(src.Annotations[RolloutStyleAnnotation], string(PartitionRollingStyle)) {
-			obj.Spec.ReleasePlan.EnableExtraWorkloadForCanary = true
+
+		if strings.EqualFold(src.Annotations[RolloutStyleAnnotation], string(PartitionRollingStyle)) {
+			obj.Spec.ReleasePlan.RollingStyle = v1beta1.PartitionRollingStyle
+		}
+		if strings.EqualFold(src.Annotations[RolloutStyleAnnotation], string(CanaryRollingStyle)) {
+			obj.Spec.ReleasePlan.RollingStyle = v1beta1.CanaryRollingStyle
 		}
+		if strings.EqualFold(src.Annotations[RolloutStyleAnnotation], string(BlueGreenRollingStyle)) {
+			obj.Spec.ReleasePlan.RollingStyle = v1beta1.BlueGreenRollingStyle
+		}
+
+		obj.Spec.ReleasePlan.EnableExtraWorkloadForCanary = srcSpec.ReleasePlan.EnableExtraWorkloadForCanary
 
 		// status
 		obj.Status = v1beta1.BatchReleaseStatus{
@@ -417,11 +434,9 @@ func (dst *BatchRelease) ConvertFrom(src conversion.Hub) error {
 		if dst.Annotations == nil {
 			dst.Annotations = map[string]string{}
 		}
-		if srcV1beta1.Spec.ReleasePlan.EnableExtraWorkloadForCanary {
-			dst.Annotations[RolloutStyleAnnotation] = strings.ToLower(string(CanaryRollingStyle))
-		} else {
-			dst.Annotations[RolloutStyleAnnotation] = strings.ToLower(string(PartitionRollingStyle))
-		}
+		dst.Annotations[RolloutStyleAnnotation] = strings.ToLower(string(srcV1beta1.Spec.ReleasePlan.RollingStyle))
+		dst.Spec.ReleasePlan.RollingStyle = RollingStyleType(srcV1beta1.Spec.ReleasePlan.RollingStyle)
+		dst.Spec.ReleasePlan.EnableExtraWorkloadForCanary = srcV1beta1.Spec.ReleasePlan.EnableExtraWorkloadForCanary
 
 		// status
 		dst.Status = BatchReleaseStatus{

api/v1alpha1/deployment_types.go

@@ -59,6 +59,8 @@ const (
 	PartitionRollingStyle RollingStyleType = "Partition"
 	// CanaryRollingStyle means rolling in canary way, and will create a canary Deployment.
 	CanaryRollingStyle RollingStyleType = "Canary"
+	// BlueGreenRollingStyle means rolling in blue-green way, and will NOT create a canary Deployment.
+	BlueGreenRollingStyle RollingStyleType = "BlueGreen"
 )
 
 // DeploymentExtraStatus is extra status field for Advanced Deployment
@@ -74,7 +76,7 @@ type DeploymentExtraStatus struct {
 }
 
 func SetDefaultDeploymentStrategy(strategy *DeploymentStrategy) {
-	if strategy.RollingStyle == CanaryRollingStyle {
+	if strategy.RollingStyle != PartitionRollingStyle {
 		return
 	}
 	if strategy.RollingUpdate == nil {

api/v1alpha1/rollout_types.go

@@ -242,16 +242,28 @@ type CanaryStatus struct {
 	CanaryReplicas int32 `json:"canaryReplicas"`
 	// CanaryReadyReplicas the numbers of ready canary revision pods
 	CanaryReadyReplicas int32 `json:"canaryReadyReplicas"`
-	// CurrentStepIndex defines the current step of the rollout is on. If the current step index is null, the
-	// controller will execute the rollout.
+	// NextStepIndex defines the next step of the rollout is on.
+	// In normal case, NextStepIndex is equal to CurrentStepIndex + 1
+	// If the current step is the last step, NextStepIndex is equal to -1
+	// Before the release, NextStepIndex is also equal to -1
+	// 0 is not used and won't appear in any case
+	// It is allowed to patch NextStepIndex by design,
+	// e.g. if CurrentStepIndex is 2, user can patch NextStepIndex to 3 (if exists) to
+	// achieve batch jump, or patch NextStepIndex to 1 to implement a re-execution of step 1
+	// Patching it with a non-positive value is meaningless, which will be corrected
+	// in the next reconciliation
+	// achieve batch jump, or patch NextStepIndex to 1 to implement a re-execution of step 1
+	NextStepIndex int32 `json:"nextStepIndex"`
 	// +optional
-	CurrentStepIndex int32           `json:"currentStepIndex"`
-	CurrentStepState CanaryStepState `json:"currentStepState"`
-	Message          string          `json:"message,omitempty"`
-	LastUpdateTime   *metav1.Time    `json:"lastUpdateTime,omitempty"`
+	CurrentStepIndex int32             `json:"currentStepIndex"`
+	CurrentStepState CanaryStepState   `json:"currentStepState"`
+	Message          string            `json:"message,omitempty"`
+	LastUpdateTime   *metav1.Time      `json:"lastUpdateTime,omitempty"`
+	FinalisingStep   FinalizeStateType `json:"finalisingStep"`
 }
 
 type CanaryStepState string
+type FinalizeStateType string
 
 const (
 	CanaryStepStateUpgrade         CanaryStepState = "StepUpgrade"

api/v1beta1/batchrelease_plan_types.go

@@ -54,9 +54,15 @@ type ReleasePlan struct {
 	// only support for canary deployment
 	// +optional
 	PatchPodTemplateMetadata *PatchPodTemplateMetadata `json:"patchPodTemplateMetadata,omitempty"`
-	// If true, then it will create new deployment for canary, such as: workload-demo-canary.
-	// When user verifies that the canary version is ready, we will remove the canary deployment and release the deployment workload-demo in full.
-	// Current only support k8s native deployment
+	// RollingStyle can be "Canary", "Partiton" or "BlueGreen"
+	RollingStyle RollingStyleType `json:"rollingStyle,omitempty"`
+	// EnableExtraWorkloadForCanary indicates whether to create extra workload for canary
+	// True corresponds to RollingStyle "Canary".
+	// False corresponds to RollingStyle "Partiton".
+	// Ignored in BlueGreen-style.
+	// This field is about to deprecate, use RollingStyle instead.
+	// If both of them are set, controller will only consider this
+	// filed when RollingStyle is empty
 	EnableExtraWorkloadForCanary bool `json:"enableExtraWorkloadForCanary"`
 }
 

api/v1beta1/deployment_types.go

@@ -37,6 +37,16 @@ const (
 	// AdvancedDeploymentControlLabel is label for deployment,
 	// which labels whether the deployment is controlled by advanced-deployment-controller.
 	AdvancedDeploymentControlLabel = "rollouts.kruise.io/controlled-by-advanced-deployment-controller"
+
+	// OriginalDeploymentStrategyAnnotation is annotation for workload in BlueGreen Release,
+	// it will store the original setting of the workload, which will be used to restore the workload
+	OriginalDeploymentStrategyAnnotation = "rollouts.kruise.io/original-deployment-strategy"
+
+	// MaxProgressSeconds is the value we set for ProgressDeadlineSeconds
+	// MaxReadySeconds is the value we set for MinReadySeconds, which is one less than ProgressDeadlineSeconds
+	// MaxInt32: 2147483647, ≈ 68 years
+	MaxProgressSeconds = 1<<31 - 1
+	MaxReadySeconds    = MaxProgressSeconds - 1
 )
 
 // DeploymentStrategy is strategy field for Advanced Deployment
@@ -52,13 +62,40 @@ type DeploymentStrategy struct {
 	Partition intstr.IntOrString `json:"partition,omitempty"`
 }
 
+// OriginalDeploymentStrategy stores part of the fileds of a workload,
+// so that it can be restored when finalizing.
+// It is only used for BlueGreen Release
+// Similar to DeploymentStrategy, it is an annotation used in workload
+// However, unlike DeploymentStrategy, it is only used to store and restore the user's strategy
+type OriginalDeploymentStrategy struct {
+	// The deployment strategy to use to replace existing pods with new ones.
+	// +optional
+	// +patchStrategy=retainKeys
+	Strategy *apps.DeploymentStrategy `json:"strategy,omitempty" patchStrategy:"retainKeys" 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 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. 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"`
+}
+
 type RollingStyleType string
 
 const (
 	// PartitionRollingStyle means rolling in batches just like CloneSet, and will NOT create any extra Deployment;
 	PartitionRollingStyle RollingStyleType = "Partition"
 	// CanaryRollingStyle means rolling in canary way, and will create a canary Deployment.
 	CanaryRollingStyle RollingStyleType = "Canary"
+	// BlueGreenRollingStyle means rolling in blue-green way, and will NOT create a extra Deployment.
+	BlueGreenRollingStyle RollingStyleType = "BlueGreen"
 )
 
 // DeploymentExtraStatus is extra status field for Advanced Deployment
@@ -74,7 +111,7 @@ type DeploymentExtraStatus struct {
 }
 
 func SetDefaultDeploymentStrategy(strategy *DeploymentStrategy) {
-	if strategy.RollingStyle == CanaryRollingStyle {
+	if strategy.RollingStyle != PartitionRollingStyle {
 		return
 	}
 	if strategy.RollingUpdate == nil {
@@ -101,3 +138,44 @@ func SetDefaultDeploymentStrategy(strategy *DeploymentStrategy) {
 		}
 	}
 }
+
+func SetDefaultSetting(setting *OriginalDeploymentStrategy) {
+	if setting.ProgressDeadlineSeconds == nil {
+		setting.ProgressDeadlineSeconds = new(int32)
+		*setting.ProgressDeadlineSeconds = 600
+	}
+	if setting.Strategy == nil {
+		setting.Strategy = &apps.DeploymentStrategy{}
+	}
+	if setting.Strategy.Type == "" {
+		setting.Strategy.Type = apps.RollingUpdateDeploymentStrategyType
+	}
+	if setting.Strategy.Type == apps.RecreateDeploymentStrategyType {
+		return
+	}
+	strategy := setting.Strategy
+	if strategy.RollingUpdate == nil {
+		strategy.RollingUpdate = &apps.RollingUpdateDeployment{}
+	}
+	if strategy.RollingUpdate.MaxUnavailable == nil {
+		// Set MaxUnavailable as 25% by default
+		maxUnavailable := intstr.FromString("25%")
+		strategy.RollingUpdate.MaxUnavailable = &maxUnavailable
+	}
+	if strategy.RollingUpdate.MaxSurge == nil {
+		// Set MaxSurge as 25% by default
+		maxSurge := intstr.FromString("25%")
+		strategy.RollingUpdate.MaxUnavailable = &maxSurge
+	}
+
+	// Cannot allow maxSurge==0 && MaxUnavailable==0, otherwise, no pod can be updated when rolling update.
+	maxSurge, _ := intstr.GetScaledValueFromIntOrPercent(strategy.RollingUpdate.MaxSurge, 100, true)
+	maxUnavailable, _ := intstr.GetScaledValueFromIntOrPercent(strategy.RollingUpdate.MaxUnavailable, 100, true)
+	if maxSurge == 0 && maxUnavailable == 0 {
+		strategy.RollingUpdate = &apps.RollingUpdateDeployment{
+			MaxSurge:       &intstr.IntOrString{Type: intstr.Int, IntVal: 0},
+			MaxUnavailable: &intstr.IntOrString{Type: intstr.Int, IntVal: 1},
+		}
+	}
+
+}