[Feature] High priority plan (#774)

Author: ajanikow

CHANGELOG.md

@@ -2,6 +2,7 @@
 
 ## [master](https://github.com/arangodb/kube-arangodb/tree/master) (N/A)
 - Update 'github.com/arangodb/arangosync-client' dependency to v0.7.0
+- Add HighPriorityPlan to ArangoDeployment Status
 
 ## [1.2.1](https://github.com/arangodb/kube-arangodb/tree/1.2.1) (2021-07-28)
 - Fix ArangoMember race with multiple ArangoDeployments within single namespace

pkg/apis/deployment/v1/deployment_status.go

@@ -63,6 +63,9 @@ type DeploymentStatus struct {
 	// Plan to update this deployment
 	Plan Plan `json:"plan,omitempty"`
 
+	// HighPriorityPlan to update this deployment. Executed before plan
+	HighPriorityPlan Plan `json:"highPriorityPlan,omitempty"`
+
 	// AcceptedSpec contains the last specification that was accepted by the operator.
 	AcceptedSpec *DeploymentSpec `json:"accepted-spec,omitempty"`
 

pkg/apis/deployment/v1/plan.go

@@ -29,13 +29,31 @@ import (
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 )
 
+// ActionPriority define action priority
+type ActionPriority int
+
+const (
+	// ActionPriorityNormal define normal priority plan
+	ActionPriorityNormal ActionPriority = iota
+	// ActionPriorityHigh define high priority plan
+	ActionPriorityHigh
+)
+
 // ActionType is a strongly typed name for a plan action item
 type ActionType string
 
 func (a ActionType) String() string {
 	return string(a)
 }
 
+// Priority returns plan priority
+func (a ActionType) Priority() ActionPriority {
+	switch a {
+	default:
+		return ActionPriorityNormal
+	}
+}
+
 const (
 	// ActionTypeIdle causes a plan to be recalculated.
 	ActionTypeIdle ActionType = "Idle"

pkg/apis/deployment/v1/zz_generated.deepcopy.go

@@ -63,6 +63,9 @@ type DeploymentStatus struct {
 	// Plan to update this deployment
 	Plan Plan `json:"plan,omitempty"`
 
+	// HighPriorityPlan to update this deployment. Executed before plan
+	HighPriorityPlan Plan `json:"highPriorityPlan,omitempty"`
+
 	// AcceptedSpec contains the last specification that was accepted by the operator.
 	AcceptedSpec *DeploymentSpec `json:"accepted-spec,omitempty"`
 

pkg/apis/deployment/v2alpha1/deployment_status.go

@@ -29,13 +29,31 @@ import (
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 )
 
+// ActionPriority define action priority
+type ActionPriority int
+
+const (
+	// ActionPriorityNormal define normal priority plan
+	ActionPriorityNormal ActionPriority = iota
+	// ActionPriorityHigh define high priority plan
+	ActionPriorityHigh
+)
+
 // ActionType is a strongly typed name for a plan action item
 type ActionType string
 
 func (a ActionType) String() string {
 	return string(a)
 }
 
+// Priority returns plan priority
+func (a ActionType) Priority() ActionPriority {
+	switch a {
+	default:
+		return ActionPriorityNormal
+	}
+}
+
 const (
 	// ActionTypeIdle causes a plan to be recalculated.
 	ActionTypeIdle ActionType = "Idle"