Remove runAsGroup to add compatibility with bitnami/rabbitmq (#724)

* Remove runAsGroup to add compatibility with bitnami/rabbitmq

* Adapt test

Author: javsalgar

internal/resource/statefulset.go

@@ -312,7 +312,6 @@ func (builder *StatefulSetBuilder) podTemplateSpec(previousPodAnnotations map[st
 	memoryRequest := k8sresource.MustParse(initContainerMemory)
 
 	automountServiceAccountToken := true
-	rabbitmqGID := int64(999)
 	rabbitmqUID := int64(999)
 
 	readinessProbePort := "amqp"
@@ -525,9 +524,8 @@ func (builder *StatefulSetBuilder) podTemplateSpec(previousPodAnnotations map[st
 				},
 			},
 			SecurityContext: &corev1.PodSecurityContext{
-				FSGroup:    &rabbitmqGID,
-				RunAsGroup: &rabbitmqGID,
-				RunAsUser:  &rabbitmqUID,
+				FSGroup:   &rabbitmqUID,
+				RunAsUser: &rabbitmqUID,
 			},
 			ImagePullSecrets:              builder.Instance.Spec.ImagePullSecrets,
 			TerminationGracePeriodSeconds: builder.Instance.Spec.TerminationGracePeriodSeconds,

internal/resource/statefulset_test.go

@@ -1189,12 +1189,11 @@ var _ = Describe("StatefulSet", func() {
 			stsBuilder := builder.StatefulSet()
 			Expect(stsBuilder.Update(statefulSet)).To(Succeed())
 
-			rmqGID, rmqUID := int64(999), int64(999)
+			rmqUID := int64(999)
 
 			expectedPodSecurityContext := &corev1.PodSecurityContext{
-				FSGroup:    &rmqGID,
-				RunAsGroup: &rmqGID,
-				RunAsUser:  &rmqUID,
+				FSGroup:   &rmqUID,
+				RunAsUser: &rmqUID,
 			}
 
 			Expect(statefulSet.Spec.Template.Spec.SecurityContext).To(Equal(expectedPodSecurityContext))