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			84 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			Go
		
	
	
	
		
		
			
		
	
	
			84 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			Go
		
	
	
	
|  | // Copyright (c) 2015-2023 MinIO, Inc.
 | ||
|  | //
 | ||
|  | // This file is part of MinIO Object Storage stack
 | ||
|  | //
 | ||
|  | // This program is free software: you can redistribute it and/or modify
 | ||
|  | // it under the terms of the GNU Affero General Public License as published by
 | ||
|  | // the Free Software Foundation, either version 3 of the License, or
 | ||
|  | // (at your option) any later version.
 | ||
|  | //
 | ||
|  | // This program is distributed in the hope that it will be useful
 | ||
|  | // but WITHOUT ANY WARRANTY; without even the implied warranty of
 | ||
|  | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 | ||
|  | // GNU Affero General Public License for more details.
 | ||
|  | //
 | ||
|  | // You should have received a copy of the GNU Affero General Public License
 | ||
|  | // along with this program.  If not, see <http://www.gnu.org/licenses/>.
 | ||
|  | 
 | ||
|  | package cmd | ||
|  | 
 | ||
|  | import ( | ||
|  | 	"context" | ||
|  | 	"crypto/tls" | ||
|  | 	"sync/atomic" | ||
|  | 
 | ||
|  | 	"github.com/minio/minio-go/v7/pkg/set" | ||
|  | 	"github.com/minio/minio/internal/fips" | ||
|  | 	"github.com/minio/minio/internal/grid" | ||
|  | 	xhttp "github.com/minio/minio/internal/http" | ||
|  | 	"github.com/minio/minio/internal/rest" | ||
|  | ) | ||
|  | 
 | ||
|  | // globalGrid is the global grid manager.
 | ||
|  | var globalGrid atomic.Pointer[grid.Manager] | ||
|  | 
 | ||
|  | // globalGridStart is a channel that will block startup of grid connections until closed.
 | ||
|  | var globalGridStart = make(chan struct{}) | ||
|  | 
 | ||
|  | func initGlobalGrid(ctx context.Context, eps EndpointServerPools) error { | ||
|  | 	seenHosts := set.NewStringSet() | ||
|  | 	var hosts []string | ||
|  | 	var local string | ||
|  | 	for _, ep := range eps { | ||
|  | 		for _, endpoint := range ep.Endpoints { | ||
|  | 			u := endpoint.GridHost() | ||
|  | 			if seenHosts.Contains(u) { | ||
|  | 				continue | ||
|  | 			} | ||
|  | 			seenHosts.Add(u) | ||
|  | 
 | ||
|  | 			// Set local endpoint
 | ||
|  | 			if endpoint.IsLocal { | ||
|  | 				local = u | ||
|  | 			} | ||
|  | 			hosts = append(hosts, u) | ||
|  | 		} | ||
|  | 	} | ||
|  | 	lookupHost := globalDNSCache.LookupHost | ||
|  | 	if IsKubernetes() || IsDocker() { | ||
|  | 		lookupHost = nil | ||
|  | 	} | ||
|  | 	g, err := grid.NewManager(ctx, grid.ManagerOptions{ | ||
|  | 		Dialer:       grid.ContextDialer(xhttp.DialContextWithLookupHost(lookupHost, xhttp.NewInternodeDialContext(rest.DefaultTimeout, globalTCPOptions))), | ||
|  | 		Local:        local, | ||
|  | 		Hosts:        hosts, | ||
|  | 		AddAuth:      newCachedAuthToken(), | ||
|  | 		AuthRequest:  storageServerRequestValidate, | ||
|  | 		BlockConnect: globalGridStart, | ||
|  | 		TLSConfig: &tls.Config{ | ||
|  | 			RootCAs:          globalRootCAs, | ||
|  | 			CipherSuites:     fips.TLSCiphers(), | ||
|  | 			CurvePreferences: fips.TLSCurveIDs(), | ||
|  | 		}, | ||
|  | 		// Record incoming and outgoing bytes.
 | ||
|  | 		Incoming: globalConnStats.incInternodeInputBytes, | ||
|  | 		Outgoing: globalConnStats.incInternodeOutputBytes, | ||
|  | 		TraceTo:  globalTrace, | ||
|  | 	}) | ||
|  | 	if err != nil { | ||
|  | 		return err | ||
|  | 	} | ||
|  | 	globalGrid.Store(g) | ||
|  | 	return nil | ||
|  | } |