Set disk free space limit to 2GB by default

Author: ChunyiLyu

internal/resource/configmap.go

@@ -33,7 +33,8 @@ cluster_formation.k8s.address_type = hostname
 cluster_formation.node_cleanup.interval = 30
 cluster_formation.node_cleanup.only_log_warning = true
 cluster_partition_handling = pause_minority
-queue_master_locator = min-masters`
+queue_master_locator = min-masters
+disk_free_limit.absolute = 2GB`
 
 	defaultTLSConf = `
 ssl_options.certfile = /etc/rabbitmq-tls/tls.crt

internal/resource/configmap_test.go

@@ -96,6 +96,7 @@ cluster_formation.node_cleanup.interval         = 30
 cluster_formation.node_cleanup.only_log_warning = true
 cluster_partition_handling                      = pause_minority
 queue_master_locator                            = min-masters
+disk_free_limit.absolute                        = 2GB
 cluster_name                                    = ` + builder.Instance.Name + "\n"
 				Expect(configMapBuilder.Update(configMap)).To(Succeed())
 				Expect(configMap.Data).To(HaveKeyWithValue("rabbitmq.conf", defaultRabbitmqConf))
@@ -117,6 +118,7 @@ cluster_formation.node_cleanup.interval         = 30
 cluster_formation.node_cleanup.only_log_warning = true
 cluster_partition_handling                      = pause_minority
 queue_master_locator                            = min-masters
+disk_free_limit.absolute                        = 2GB
 cluster_name                                    = ` + builder.Instance.Name + `
 my-config-property-0                            = great-value
 my-config-property-1                            = better-value