Deprecate and remove configurable disk usage check (#6016)

cmd/config-current.go

@@ -21,7 +21,6 @@ import (
 	"fmt"
 	"reflect"
 	"sync"
-	"time"
 
 	"github.com/minio/minio/cmd/logger"
 
@@ -105,17 +104,6 @@ func (s *serverConfig) GetBrowser() bool {
 	return bool(s.Browser)
 }
 
-// Set new usage configuration, currently only supports configuring
-// usage check interval.
-func (s *serverConfig) SetUsageConfig(checkUsageInterval time.Duration) {
-	s.Usage = usageConfig{checkUsageInterval}
-}
-
-// Get current usage configuration.
-func (s *serverConfig) GetUsageConfig() usageConfig {
-	return s.Usage
-}
-
 // SetCacheConfig sets the current cache config
 func (s *serverConfig) SetCacheConfig(drives, exclude []string, expiry int) {
 	s.Cache.Drives = drives
@@ -153,8 +141,6 @@ func (s *serverConfig) ConfigDiff(t *serverConfig) string {
 		return "StorageClass configuration differs"
 	case !reflect.DeepEqual(s.Cache, t.Cache):
 		return "Cache configuration differs"
-	case !reflect.DeepEqual(s.Usage, t.Usage):
-		return "Usage configuration differs"
 	case !reflect.DeepEqual(s.Notify.AMQP, t.Notify.AMQP):
 		return "AMQP Notification configuration differs"
 	case !reflect.DeepEqual(s.Notify.NATS, t.Notify.NATS):
@@ -200,7 +186,6 @@ func newServerConfig() *serverConfig {
 			Exclude: []string{},
 			Expiry:  globalCacheExpiry,
 		},
-		Usage:  usageConfig{globalDefaultUsageCheckInterval},
 		Notify: notifier{},
 	}
 
@@ -261,10 +246,6 @@ func newConfig() error {
 		srvCfg.SetCacheConfig(globalCacheDrives, globalCacheExcludes, globalCacheExpiry)
 	}
 
-	if globalIsEnvUsageCheck {
-		srvCfg.SetUsageConfig(globalUsageCheckInterval)
-	}
-
 	// hold the mutex lock before a new config is assigned.
 	// Save the new config globally.
 	// unlock the mutex.
@@ -358,9 +339,6 @@ func loadConfig() error {
 		globalCacheExcludes = cacheConf.Exclude
 		globalCacheExpiry = cacheConf.Expiry
 	}
-	if !globalIsEnvUsageCheck {
-		globalUsageCheckInterval = globalServerConfig.GetUsageConfig().UsageCheckInterval
-	}
 	globalServerConfigMu.Unlock()
 
 	return nil