Allow to reset key store and stop key fetching

Description

Related Issue

Motivation and Context

How Has This Been Tested?

Screenshots (if appropriate):

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.
• All new and existing tests passed.

goKMS/kms/peers/etsi14Quantummodule.go

@@ -109,29 +109,31 @@ func (qm *ETSI014HTTPQuantumModule) Client() *etsi14ClientImpl.ClientImpl {
 }
 
 func (qm *ETSI014HTTPQuantumModule) Initialize() error {
-	var ctx context.Context
-	ctx, qm.stopFetch = context.WithCancel(context.Background())
-
-	qm.active = true
-
-	// start polling keys
-	if qm.master {
-		go func() {
-			restartWaitingTime := time.Duration(2) * time.Minute
-			ticker := time.NewTicker(restartWaitingTime)
-			defer ticker.Stop()
-
-			// immediately start with the ticker instead of waiting the defined amount
-		RestartFetchLoop:
-			for {
-				select {
-				case <-ticker.C:
-					qm.doKeyFetching(ctx)
-				case <-ctx.Done():
-					break RestartFetchLoop
+	if !qm.active {
+		var ctx context.Context
+		ctx, qm.stopFetch = context.WithCancel(context.Background())
+
+		qm.active = true
+
+		// start polling keys
+		if qm.master {
+			go func() {
+				restartWaitingTime := time.Duration(20) * time.Second
+				ticker := time.NewTicker(restartWaitingTime)
+				defer ticker.Stop()
+
+				// immediately start with the ticker instead of waiting the defined amount
+			RestartFetchLoop:
+				for {
+					select {
+					case <-ticker.C:
+						qm.doKeyFetching(ctx)
+					case <-ctx.Done():
+						break RestartFetchLoop
+					}
 				}
-			}
-		}()
+			}()
+		}
 	}
 	return nil
 }