fix NAS gateway support for policy/notification (#9765)

Fixes #9764

cmd/bucket-metadata-sys.go

@@ -41,7 +41,7 @@ type BucketMetadataSys struct {
 
 // Remove bucket metadata from memory.
 func (sys *BucketMetadataSys) Remove(bucket string) {
-	if globalIsGateway && globalGatewayName != "nas" {
+	if globalIsGateway {
 		return
 	}
 	sys.Lock()
@@ -74,9 +74,12 @@ func (sys *BucketMetadataSys) Update(bucket string, configFile string, configDat
 		return errServerNotInitialized
 	}
 
-	if globalIsGateway && globalGatewayName != "nas" {
+	if globalIsGateway {
 		// This code is needed only for gateway implementations.
 		if configFile == bucketPolicyConfig {
+			if configData == nil {
+				return objAPI.DeleteBucketPolicy(GlobalContext, bucket)
+			}
 			config, err := policy.ParseConfig(bytes.NewReader(configData), bucket)
 			if err != nil {
 				return err
@@ -195,6 +198,19 @@ func (sys *BucketMetadataSys) GetLifecycleConfig(bucket string) (*lifecycle.Life
 // GetNotificationConfig returns configured notification config
 // The returned object may not be modified.
 func (sys *BucketMetadataSys) GetNotificationConfig(bucket string) (*event.Config, error) {
+	if globalIsGateway && globalGatewayName == "nas" {
+		// Only needed in case of NAS gateway.
+		objAPI := newObjectLayerWithoutSafeModeFn()
+		if objAPI == nil {
+			return nil, errServerNotInitialized
+		}
+		meta, err := loadBucketMetadata(GlobalContext, objAPI, bucket)
+		if err != nil {
+			return nil, err
+		}
+		return meta.notificationConfig, nil
+	}
+
 	meta, err := sys.GetConfig(bucket)
 	if err != nil {
 		return nil, err
@@ -221,6 +237,14 @@ func (sys *BucketMetadataSys) GetSSEConfig(bucket string) (*bucketsse.BucketSSEC
 // GetPolicyConfig returns configured bucket policy
 // The returned object may not be modified.
 func (sys *BucketMetadataSys) GetPolicyConfig(bucket string) (*policy.Policy, error) {
+	if globalIsGateway {
+		objAPI := newObjectLayerWithoutSafeModeFn()
+		if objAPI == nil {
+			return nil, errServerNotInitialized
+		}
+		return objAPI.GetBucketPolicy(GlobalContext, bucket)
+	}
+
 	meta, err := sys.GetConfig(bucket)
 	if err != nil {
 		if errors.Is(err, errConfigNotFound) {
@@ -244,7 +268,7 @@ func (sys *BucketMetadataSys) GetQuotaConfig(bucket string) (*madmin.BucketQuota
 	return meta.quotaConfig, nil
 }
 
-// GetConfig returns a specific configuration from the bucket metadata.
+// GetConfig returns the current bucket metadata
 // The returned object may not be modified.
 func (sys *BucketMetadataSys) GetConfig(bucket string) (BucketMetadata, error) {
 	objAPI := newObjectLayerWithoutSafeModeFn()
@@ -252,7 +276,7 @@ func (sys *BucketMetadataSys) GetConfig(bucket string) (BucketMetadata, error) {
 		return newBucketMetadata(bucket), errServerNotInitialized
 	}
 
-	if globalIsGateway && globalGatewayName != "nas" {
+	if globalIsGateway {
 		return newBucketMetadata(bucket), NotImplemented{}
 	}
 

cmd/bucket-policy.go

@@ -37,13 +37,6 @@ type PolicySys struct{}
 
 // Get returns stored bucket policy
 func (sys *PolicySys) Get(bucket string) (*policy.Policy, error) {
-	if globalIsGateway {
-		objAPI := newObjectLayerFn()
-		if objAPI == nil {
-			return nil, errServerNotInitialized
-		}
-		return objAPI.GetBucketPolicy(GlobalContext, bucket)
-	}
 	return globalBucketMetadataSys.GetPolicyConfig(bucket)
 }
 

cmd/fs-v1.go

@@ -39,6 +39,7 @@ import (
 	"github.com/minio/minio/cmd/config"
 	xhttp "github.com/minio/minio/cmd/http"
 	"github.com/minio/minio/cmd/logger"
+	"github.com/minio/minio/pkg/bucket/policy"
 	"github.com/minio/minio/pkg/color"
 	"github.com/minio/minio/pkg/lock"
 	"github.com/minio/minio/pkg/madmin"
@@ -361,6 +362,44 @@ func (fs *FSObjects) MakeBucketWithLocation(ctx context.Context, bucket, locatio
 	return nil
 }
 
+// GetBucketPolicy - only needed for FS in NAS mode
+func (fs *FSObjects) GetBucketPolicy(ctx context.Context, bucket string) (*policy.Policy, error) {
+	meta, err := loadBucketMetadata(ctx, fs, bucket)
+	if err != nil {
+		return nil, BucketPolicyNotFound{Bucket: bucket}
+	}
+	if meta.policyConfig == nil {
+		return nil, BucketPolicyNotFound{Bucket: bucket}
+	}
+	return meta.policyConfig, nil
+}
+
+// SetBucketPolicy - only needed for FS in NAS mode
+func (fs *FSObjects) SetBucketPolicy(ctx context.Context, bucket string, p *policy.Policy) error {
+	meta, err := loadBucketMetadata(ctx, fs, bucket)
+	if err != nil {
+		return err
+	}
+
+	configData, err := json.Marshal(p)
+	if err != nil {
+		return err
+	}
+	meta.PolicyConfigJSON = configData
+
+	return meta.Save(ctx, fs)
+}
+
+// DeleteBucketPolicy - only needed for FS in NAS mode
+func (fs *FSObjects) DeleteBucketPolicy(ctx context.Context, bucket string) error {
+	meta, err := loadBucketMetadata(ctx, fs, bucket)
+	if err != nil {
+		return err
+	}
+	meta.PolicyConfigJSON = nil
+	return meta.Save(ctx, fs)
+}
+
 // GetBucketInfo - fetch bucket metadata info.
 func (fs *FSObjects) GetBucketInfo(ctx context.Context, bucket string) (bi BucketInfo, e error) {
 	atomic.AddInt64(&fs.activeIOCount, 1)

cmd/gateway-unsupported.go

@@ -25,7 +25,6 @@ import (
 	"github.com/minio/minio-go/v6/pkg/tags"
 	bucketsse "github.com/minio/minio/pkg/bucket/encryption"
 	"github.com/minio/minio/pkg/bucket/lifecycle"
-	objectlock "github.com/minio/minio/pkg/bucket/object/lock"
 	"github.com/minio/minio/pkg/bucket/policy"
 
 	"github.com/minio/minio/pkg/madmin"
@@ -205,35 +204,6 @@ func (a GatewayUnsupported) GetMetrics(ctx context.Context) (*Metrics, error) {
 	return &Metrics{}, NotImplemented{}
 }
 
-// SetBucketTagging - not implemented
-func (a GatewayUnsupported) SetBucketTagging(ctx context.Context, bucket string, t *tags.Tags) error {
-	logger.LogIf(ctx, NotImplemented{})
-	return NotImplemented{}
-}
-
-// GetBucketObjectLockConfig - not implemented
-func (a GatewayUnsupported) GetBucketObjectLockConfig(ctx context.Context, bucket string) (*objectlock.Config, error) {
-	logger.LogIf(ctx, NotImplemented{})
-	return nil, NotImplemented{}
-}
-
-// SetBucketObjectLockConfig - not implemented
-func (a GatewayUnsupported) SetBucketObjectLockConfig(ctx context.Context, bucket string, _ *objectlock.Config) error {
-	logger.LogIf(ctx, NotImplemented{})
-	return NotImplemented{}
-}
-
-// GetBucketTagging - not implemented
-func (a GatewayUnsupported) GetBucketTagging(ctx context.Context, bucket string) (*tags.Tags, error) {
-	return nil, NotImplemented{}
-}
-
-// DeleteBucketTagging - not implemented.
-func (a GatewayUnsupported) DeleteBucketTagging(ctx context.Context, bucket string) error {
-	logger.LogIf(ctx, NotImplemented{})
-	return NotImplemented{}
-}
-
 // PutObjectTags - not implemented.
 func (a GatewayUnsupported) PutObjectTags(ctx context.Context, bucket, object string, tags string) error {
 	logger.LogIf(ctx, NotImplemented{})

cmd/gateway/nas/gateway-nas.go

@@ -22,7 +22,6 @@ import (
 	"github.com/minio/cli"
 	minio "github.com/minio/minio/cmd"
 	"github.com/minio/minio/pkg/auth"
-	objectlock "github.com/minio/minio/pkg/bucket/object/lock"
 )
 
 const (
@@ -122,16 +121,6 @@ type nasObjects struct {
 	minio.ObjectLayer
 }
 
-// GetBucketObjectLockConfig - not implemented
-func (n *nasObjects) GetBucketObjectLockConfig(ctx context.Context, bucket string) (*objectlock.Config, error) {
-	return nil, minio.NotImplemented{}
-}
-
-// SetBucketObjectLockConfig - not implemented
-func (n *nasObjects) SetBucketObjectLockConfig(ctx context.Context, bucket string, _ *objectlock.Config) error {
-	return minio.NotImplemented{}
-}
-
 // IsReady returns whether the layer is ready to take requests.
 func (n *nasObjects) IsReady(ctx context.Context) bool {
 	si, _ := n.StorageInfo(ctx, false)

cmd/object-api-interface.go

@@ -114,8 +114,7 @@ type ObjectLayer interface {
 	IsNotificationSupported() bool
 	IsListenBucketSupported() bool
 	IsEncryptionSupported() bool
-
-	// Compression support check.
+	IsTaggingSupported() bool
 	IsCompressionSupported() bool
 
 	// Backend related metrics
@@ -124,9 +123,6 @@ type ObjectLayer interface {
 	// Check Readiness
 	IsReady(ctx context.Context) bool
 
-	// Object Tagging Support check.
-	IsTaggingSupported() bool
-
 	// ObjectTagging operations
 	PutObjectTags(context.Context, string, string, string) error
 	GetObjectTags(context.Context, string, string) (*tags.Tags, error)

cmd/server-main.go

@@ -429,9 +429,7 @@ func serverMain(ctx *cli.Context) {
 	}
 
 	// Set system resources to maximum.
-	if err = setMaxResources(); err != nil {
-		logger.Info("Unable to set system resources to maximum %s", err)
-	}
+	setMaxResources()
 
 	if globalIsXL {
 		// Init global heal state

cmd/update.go

@@ -18,13 +18,12 @@ package cmd
 
 import (
 	"bufio"
-	"context"
 	"crypto"
+	"crypto/tls"
 	"encoding/hex"
 	"errors"
 	"fmt"
 	"io/ioutil"
-	"net"
 	"net/http"
 	"os"
 	"path/filepath"
@@ -410,17 +409,13 @@ const updateTimeout = 10 * time.Second
 func getUpdateTransport(timeout time.Duration) http.RoundTripper {
 	var updateTransport http.RoundTripper = &http.Transport{
 		Proxy:                 http.ProxyFromEnvironment,
-		DialContext: func(ctx context.Context, network, addr string) (net.Conn, error) {
-			dialer := &net.Dialer{
-				Timeout:   timeout,
-				KeepAlive: timeout,
-				DualStack: true,
-			}
-			return dialer.DialContext(ctx, network, addr)
-		},
+		DialContext:           xhttp.NewCustomDialContext(timeout, timeout),
 		IdleConnTimeout:       timeout,
 		TLSHandshakeTimeout:   timeout,
 		ExpectContinueTimeout: timeout,
+		TLSClientConfig: &tls.Config{
+			RootCAs: globalRootCAs,
+		},
 		DisableCompression: true,
 	}
 	return updateTransport
@@ -502,7 +497,9 @@ func doUpdate(updateURL, sha256Hex, mode string) (err error) {
 		}
 	}
 
-	clnt := &http.Client{Transport: getUpdateTransport(30 * time.Second)}
+	clnt := &http.Client{
+		Transport: getUpdateTransport(30 * time.Second),
+	}
 	req, err := http.NewRequest(http.MethodGet, updateURL, nil)
 	if err != nil {
 		return AdminError{