Set default refresh interval to 5m for all receivers

Signed-off-by: Anand Rajagopal <anrajag@amazon.com>

Adding to test for  multiple receivers with single secret

Signed-off-by: Anand Rajagopal <anrajag@amazon.com>

Author: rajagopalanand

secrets/providers/aws_secrets_manager.go

@@ -145,6 +145,10 @@ func (a *AWSSecretsManagerProvider) Register(secret secrets.GenericSecret) secre
 	a.mtx.Lock()
 	defer a.mtx.Unlock()
 	if f, OK := a.fetchers[s.SecretARN]; OK {
+		if s.RefreshInterval <= 0 {
+			a.logger.Info("setting default refresh interval for", "ARN", s.SecretARN)
+			s.RefreshInterval = time.Minute * 5
+		}
 		a.logger.Info("found an existing secret fetcher", "ARN", s.SecretARN)
 		f.update(s.RefreshInterval)
 		a.newFetchers[s.SecretARN] = struct{}{}

secrets/providers/aws_secrets_manager_test.go

@@ -428,6 +428,37 @@ func TestRegisterSecret(t *testing.T) {
 	provider.Stop()
 }
 
+func TestRegisterMultipleSecretsNoRefreshInterval(t *testing.T) {
+	reg := prometheus.NewPedanticRegistry()
+	ctx, cancel := context.WithCancel(context.Background())
+	options := secrets.SecretProviderOptions{
+		Logger:     promslog.NewNopLogger(),
+		Registerer: reg,
+		Context:    ctx,
+	}
+	provider := NewAWSSecretsManagerProvider(options)
+	secretOne := secrets.GenericSecret{
+		AWSSecretsManagerConfig: secrets.AWSSecretsManagerConfig{
+			SecretARN: "arn:aws:secretsmanager:us-west-2:123456789:secret:receiver-pager-duty",
+			SecretKey: "key1",
+		},
+	}
+	secretOneCopy := secrets.GenericSecret{
+		AWSSecretsManagerConfig: secrets.AWSSecretsManagerConfig{
+			SecretARN: "arn:aws:secretsmanager:us-west-2:123456789:secret:receiver-pager-duty",
+			SecretKey: "key2",
+		},
+	}
+	provider.Register(secretOne)
+	require.Equal(t, 1, provider.fetchersCount())
+
+	provider.Register(secretOneCopy)
+	require.Equal(t, 1, provider.fetchersCount())
+
+	cancel()
+	provider.Stop()
+}
+
 type MockSecretsManagerClient struct {
 	secretsmanager.Client
 	secrets            map[string]string