[Feature] Keep only recent terminations (#865)

Author: ajanikow

CHANGELOG.md

@@ -4,6 +4,7 @@
 - Add Plan BackOff functionality
 - Fix Core InitContainers check
 - Remove unused `status.members.<group>.sidecars-specs` variable
+- Keep only recent terminations
 
 ## [1.2.6](https://github.com/arangodb/kube-arangodb/tree/1.2.6) (2021-12-15)
 - Add ArangoBackup backoff functionality

pkg/deployment/member/phase_updates.go

@@ -23,10 +23,16 @@
 package member
 
 import (
+	"time"
+
 	api "github.com/arangodb/kube-arangodb/pkg/apis/deployment/v1"
 	"k8s.io/apimachinery/pkg/util/uuid"
 )
 
+const (
+	recentTerminationsKeepPeriod = time.Minute * 30
+)
+
 type phaseMapFunc func(action api.Action, m *api.MemberStatus)
 type phaseMapTo map[api.MemberPhase]phaseMapFunc
 type phaseMap map[api.MemberPhase]phaseMapTo
@@ -77,6 +83,8 @@ func removeMemberConditionsMapFunc(m *api.MemberStatus) {
 	m.Conditions.Remove(api.ConditionTypeCleanedOut)
 	m.Conditions.Remove(api.ConditionTypeTopologyAware)
 
+	m.RemoveTerminationsBefore(time.Now().Add(-1 * recentTerminationsKeepPeriod))
+
 	m.Upgrade = false
 }