You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
453 lines
15 KiB
453 lines
15 KiB
/*
|
|
* MinIO Cloud Storage, (C) 2015-2019 MinIO, Inc.
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
package cmd
|
|
|
|
import (
|
|
"context"
|
|
"encoding/gob"
|
|
"errors"
|
|
"fmt"
|
|
"net/http"
|
|
"os"
|
|
"os/signal"
|
|
"strings"
|
|
"syscall"
|
|
|
|
"github.com/minio/cli"
|
|
"github.com/minio/minio/cmd/config"
|
|
xhttp "github.com/minio/minio/cmd/http"
|
|
"github.com/minio/minio/cmd/logger"
|
|
"github.com/minio/minio/pkg/auth"
|
|
"github.com/minio/minio/pkg/certs"
|
|
"github.com/minio/minio/pkg/color"
|
|
"github.com/minio/minio/pkg/env"
|
|
)
|
|
|
|
func init() {
|
|
logger.Init(GOPATH, GOROOT)
|
|
logger.RegisterError(config.FmtError)
|
|
gob.Register(VerifyFileError(""))
|
|
gob.Register(DeleteFileError(""))
|
|
}
|
|
|
|
// ServerFlags - server command specific flags
|
|
var ServerFlags = []cli.Flag{
|
|
cli.StringFlag{
|
|
Name: "address",
|
|
Value: ":" + globalMinioDefaultPort,
|
|
Usage: "bind to a specific ADDRESS:PORT, ADDRESS can be an IP or hostname",
|
|
},
|
|
}
|
|
|
|
var serverCmd = cli.Command{
|
|
Name: "server",
|
|
Usage: "start object storage server",
|
|
Flags: append(ServerFlags, GlobalFlags...),
|
|
Action: serverMain,
|
|
CustomHelpTemplate: `NAME:
|
|
{{.HelpName}} - {{.Usage}}
|
|
|
|
USAGE:
|
|
{{.HelpName}} {{if .VisibleFlags}}[FLAGS] {{end}}DIR1 [DIR2..]
|
|
{{.HelpName}} {{if .VisibleFlags}}[FLAGS] {{end}}DIR{1...64}
|
|
|
|
DIR:
|
|
DIR points to a directory on a filesystem. When you want to combine
|
|
multiple drives into a single large system, pass one directory per
|
|
filesystem separated by space. You may also use a '...' convention
|
|
to abbreviate the directory arguments. Remote directories in a
|
|
distributed setup are encoded as HTTP(s) URIs.
|
|
{{if .VisibleFlags}}
|
|
FLAGS:
|
|
{{range .VisibleFlags}}{{.}}
|
|
{{end}}{{end}}
|
|
ENVIRONMENT VARIABLES:
|
|
ACCESS:
|
|
MINIO_ACCESS_KEY: Custom username or access key of minimum 3 characters in length.
|
|
MINIO_SECRET_KEY: Custom password or secret key of minimum 8 characters in length.
|
|
|
|
BROWSER:
|
|
MINIO_BROWSER: To disable web browser access, set this value to "off".
|
|
|
|
DOMAIN:
|
|
MINIO_DOMAIN: To enable virtual-host-style requests, set this value to MinIO host domain name.
|
|
|
|
WORM:
|
|
MINIO_WORM: To turn on Write-Once-Read-Many in server, set this value to "on".
|
|
|
|
BUCKET-DNS:
|
|
MINIO_DOMAIN: To enable bucket DNS requests, set this value to MinIO host domain name.
|
|
MINIO_PUBLIC_IPS: To enable bucket DNS requests, set this value to list of MinIO host public IP(s) delimited by ",".
|
|
MINIO_ETCD_ENDPOINTS: To enable bucket DNS requests, set this value to list of etcd endpoints delimited by ",".
|
|
|
|
KMS:
|
|
MINIO_KMS_VAULT_ENDPOINT: To enable Vault as KMS,set this value to Vault endpoint.
|
|
MINIO_KMS_VAULT_APPROLE_ID: To enable Vault as KMS,set this value to Vault AppRole ID.
|
|
MINIO_KMS_VAULT_APPROLE_SECRET: To enable Vault as KMS,set this value to Vault AppRole Secret ID.
|
|
MINIO_KMS_VAULT_KEY_NAME: To enable Vault as KMS,set this value to Vault encryption key-ring name.
|
|
|
|
EXAMPLES:
|
|
1. Start minio server on "/home/shared" directory.
|
|
{{.Prompt}} {{.HelpName}} /home/shared
|
|
|
|
2. Start minio server bound to a specific ADDRESS:PORT.
|
|
{{.Prompt}} {{.HelpName}} --address 192.168.1.101:9000 /home/shared
|
|
|
|
3. Start minio server and enable virtual-host-style requests.
|
|
{{.Prompt}} {{.EnvVarSetCommand}} MINIO_DOMAIN{{.AssignmentOperator}}mydomain.com
|
|
{{.Prompt}} {{.HelpName}} --address mydomain.com:9000 /mnt/export
|
|
|
|
4. Start erasure coded minio server on a node with 64 drives.
|
|
{{.Prompt}} {{.HelpName}} /mnt/export{1...64}
|
|
|
|
5. Start distributed minio server on an 32 node setup with 32 drives each. Run following command on all the 32 nodes.
|
|
{{.Prompt}} {{.EnvVarSetCommand}} MINIO_ACCESS_KEY{{.AssignmentOperator}}minio
|
|
{{.Prompt}} {{.EnvVarSetCommand}} MINIO_SECRET_KEY{{.AssignmentOperator}}miniostorage
|
|
{{.Prompt}} {{.HelpName}} http://node{1...32}.example.com/mnt/export/{1...32}
|
|
|
|
6. Start minio server with KMS enabled.
|
|
{{.Prompt}} {{.EnvVarSetCommand}} MINIO_KMS_VAULT_APPROLE_ID{{.AssignmentOperator}}9b56cc08-8258-45d5-24a3-679876769126
|
|
{{.Prompt}} {{.EnvVarSetCommand}} MINIO_KMS_VAULT_APPROLE_SECRET{{.AssignmentOperator}}4e30c52f-13e4-a6f5-0763-d50e8cb4321f
|
|
{{.Prompt}} {{.EnvVarSetCommand}} MINIO_KMS_VAULT_ENDPOINT{{.AssignmentOperator}}https://vault-endpoint-ip:8200
|
|
{{.Prompt}} {{.EnvVarSetCommand}} MINIO_KMS_VAULT_KEY_NAME{{.AssignmentOperator}}my-minio-key
|
|
{{.Prompt}} {{.HelpName}} /home/shared
|
|
`,
|
|
}
|
|
|
|
// Checks if endpoints are either available through environment
|
|
// or command line, returns false if both fails.
|
|
func endpointsPresent(ctx *cli.Context) bool {
|
|
endpoints := env.Get(config.EnvEndpoints, strings.Join(ctx.Args(), config.ValueSeparator))
|
|
return len(endpoints) != 0
|
|
}
|
|
|
|
func serverHandleCmdArgs(ctx *cli.Context) {
|
|
// Handle common command args.
|
|
handleCommonCmdArgs(ctx)
|
|
|
|
logger.FatalIf(CheckLocalServerAddr(globalCLIContext.Addr), "Unable to validate passed arguments")
|
|
|
|
var setupType SetupType
|
|
var err error
|
|
|
|
globalMinioAddr = globalCLIContext.Addr
|
|
|
|
globalMinioHost, globalMinioPort = mustSplitHostPort(globalMinioAddr)
|
|
|
|
endpoints := strings.Fields(env.Get(config.EnvEndpoints, ""))
|
|
if len(endpoints) > 0 {
|
|
globalEndpoints, globalXLSetDriveCount, setupType, err = createServerEndpoints(globalCLIContext.Addr, endpoints...)
|
|
} else {
|
|
globalEndpoints, globalXLSetDriveCount, setupType, err = createServerEndpoints(globalCLIContext.Addr, ctx.Args()...)
|
|
}
|
|
logger.FatalIf(err, "Invalid command line arguments")
|
|
|
|
logger.LogIf(context.Background(), checkEndpointsSubOptimal(ctx, setupType, globalEndpoints))
|
|
|
|
// On macOS, if a process already listens on LOCALIPADDR:PORT, net.Listen() falls back
|
|
// to IPv6 address ie minio will start listening on IPv6 address whereas another
|
|
// (non-)minio process is listening on IPv4 of given port.
|
|
// To avoid this error sutiation we check for port availability.
|
|
logger.FatalIf(checkPortAvailability(globalMinioHost, globalMinioPort), "Unable to start the server")
|
|
|
|
globalIsXL = (setupType == XLSetupType)
|
|
globalIsDistXL = (setupType == DistXLSetupType)
|
|
if globalIsDistXL {
|
|
globalIsXL = true
|
|
}
|
|
}
|
|
|
|
func serverHandleEnvVars() {
|
|
// Handle common environment variables.
|
|
handleCommonEnvVars()
|
|
}
|
|
|
|
func newAllSubsystems() {
|
|
// Create new notification system and initialize notification targets
|
|
globalNotificationSys = NewNotificationSys(globalEndpoints)
|
|
|
|
// Create a new config system.
|
|
globalConfigSys = NewConfigSys()
|
|
|
|
// Create new IAM system.
|
|
globalIAMSys = NewIAMSys()
|
|
|
|
// Create new policy system.
|
|
globalPolicySys = NewPolicySys()
|
|
|
|
// Create new lifecycle system.
|
|
globalLifecycleSys = NewLifecycleSys()
|
|
}
|
|
|
|
func initSafeModeInit(buckets []BucketInfo) (err error) {
|
|
newObject := newObjectLayerWithoutSafeModeFn()
|
|
|
|
// Construct path to config/transaction.lock for locking
|
|
transactionConfigPrefix := minioConfigPrefix + "/transaction.lock"
|
|
|
|
// Make sure to hold lock for entire migration to avoid
|
|
// such that only one server should migrate the entire config
|
|
// at a given time, this big transaction lock ensures this
|
|
// appropriately. This is also true for rotation of encrypted
|
|
// content.
|
|
objLock := newObject.NewNSLock(context.Background(), minioMetaBucket, transactionConfigPrefix)
|
|
if err = objLock.GetLock(globalOperationTimeout); err != nil {
|
|
return err
|
|
}
|
|
|
|
defer func(objLock RWLocker) {
|
|
objLock.Unlock()
|
|
|
|
if err != nil {
|
|
var cerr config.Err
|
|
if errors.As(err, &cerr) {
|
|
return
|
|
}
|
|
// Enable logger
|
|
logger.Disable = false
|
|
|
|
// Prints the formatted startup message in safe mode operation.
|
|
printStartupSafeModeMessage(getAPIEndpoints(), err)
|
|
|
|
// Initialization returned error reaching safe mode and
|
|
// not proceeding waiting for admin action.
|
|
handleSignals()
|
|
}
|
|
}(objLock)
|
|
|
|
// Calls New() for all sub-systems.
|
|
newAllSubsystems()
|
|
|
|
// Migrate all backend configs to encrypted backend, also handles rotation as well.
|
|
if err = handleEncryptedConfigBackend(newObject, true); err != nil {
|
|
return fmt.Errorf("Unable to handle encrypted backend for config, iam and policies: %w", err)
|
|
}
|
|
|
|
// **** WARNING ****
|
|
// Migrating to encrypted backend should happen before initialization of any
|
|
// sub-systems, make sure that we do not move the above codeblock elsewhere.
|
|
|
|
// Validate and initialize all subsystems.
|
|
if err = initAllSubsystems(buckets, newObject); err != nil {
|
|
return err
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func initAllSubsystems(buckets []BucketInfo, newObject ObjectLayer) (err error) {
|
|
// Initialize config system.
|
|
if err = globalConfigSys.Init(newObject); err != nil {
|
|
return fmt.Errorf("Unable to initialize config system: %w", err)
|
|
}
|
|
|
|
if err = globalNotificationSys.AddNotificationTargetsFromConfig(globalServerConfig); err != nil {
|
|
return fmt.Errorf("Unable to initialize notification target(s) from config: %w", err)
|
|
}
|
|
|
|
if globalEtcdClient != nil {
|
|
// **** WARNING ****
|
|
// Migrating to encrypted backend on etcd should happen before initialization of
|
|
// IAM sub-systems, make sure that we do not move the above codeblock elsewhere.
|
|
if err = migrateIAMConfigsEtcdToEncrypted(globalEtcdClient); err != nil {
|
|
return fmt.Errorf("Unable to handle encrypted backend for iam and policies: %w", err)
|
|
}
|
|
}
|
|
|
|
if err = globalIAMSys.Init(newObject); err != nil {
|
|
return fmt.Errorf("Unable to initialize IAM system: %w", err)
|
|
}
|
|
|
|
// Initialize notification system.
|
|
if err = globalNotificationSys.Init(buckets, newObject); err != nil {
|
|
return fmt.Errorf("Unable to initialize notification system: %w", err)
|
|
}
|
|
|
|
// Initialize policy system.
|
|
if err = globalPolicySys.Init(buckets, newObject); err != nil {
|
|
return fmt.Errorf("Unable to initialize policy system; %w", err)
|
|
}
|
|
|
|
// Initialize lifecycle system.
|
|
if err = globalLifecycleSys.Init(buckets, newObject); err != nil {
|
|
return fmt.Errorf("Unable to initialize lifecycle system: %w", err)
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
// serverMain handler called for 'minio server' command.
|
|
func serverMain(ctx *cli.Context) {
|
|
if ctx.Args().First() == "help" || !endpointsPresent(ctx) {
|
|
cli.ShowCommandHelpAndExit(ctx, "server", 1)
|
|
}
|
|
|
|
signal.Notify(globalOSSignalCh, os.Interrupt, syscall.SIGTERM)
|
|
|
|
// Disable logging until server initialization is complete, any
|
|
// error during initialization will be shown as a fatal message
|
|
logger.Disable = true
|
|
|
|
// Handle all server command args.
|
|
serverHandleCmdArgs(ctx)
|
|
|
|
// Handle all server environment vars.
|
|
serverHandleEnvVars()
|
|
|
|
// Check and load TLS certificates.
|
|
var err error
|
|
globalPublicCerts, globalTLSCerts, globalIsSSL, err = getTLSConfig()
|
|
logger.FatalIf(err, "Unable to load the TLS configuration")
|
|
|
|
// Check and load Root CAs.
|
|
globalRootCAs, err = config.GetRootCAs(globalCertsCADir.Get())
|
|
logger.FatalIf(err, "Failed to read root CAs (%v)", err)
|
|
|
|
// Is distributed setup, error out if no certificates are found for HTTPS endpoints.
|
|
if globalIsDistXL {
|
|
if globalEndpoints.HTTPS() && !globalIsSSL {
|
|
logger.Fatal(config.ErrNoCertsAndHTTPSEndpoints(nil), "Unable to start the server")
|
|
}
|
|
if !globalEndpoints.HTTPS() && globalIsSSL {
|
|
logger.Fatal(config.ErrCertsAndHTTPEndpoints(nil), "Unable to start the server")
|
|
}
|
|
}
|
|
|
|
if !globalCLIContext.Quiet {
|
|
// Check for new updates from dl.min.io.
|
|
checkUpdate(getMinioMode())
|
|
}
|
|
|
|
if !globalActiveCred.IsValid() && globalIsDistXL {
|
|
logger.Fatal(config.ErrEnvCredentialsMissingDistributed(nil),
|
|
"Unable to initialize the server in distributed mode")
|
|
}
|
|
|
|
// Set system resources to maximum.
|
|
logger.LogIf(context.Background(), setMaxResources())
|
|
|
|
if globalIsXL {
|
|
// Init global heal state
|
|
globalAllHealState = initHealState()
|
|
globalBackgroundHealState = initHealState()
|
|
}
|
|
|
|
// Initialize globalConsoleSys system
|
|
globalConsoleSys = NewConsoleLogger(context.Background(), globalEndpoints)
|
|
|
|
// Configure server.
|
|
var handler http.Handler
|
|
handler, err = configureServerHandler(globalEndpoints)
|
|
if err != nil {
|
|
logger.Fatal(config.ErrUnexpectedError(err), "Unable to configure one of server's RPC services")
|
|
}
|
|
|
|
var getCert certs.GetCertificateFunc
|
|
if globalTLSCerts != nil {
|
|
getCert = globalTLSCerts.GetCertificate
|
|
}
|
|
|
|
httpServer := xhttp.NewServer([]string{globalMinioAddr}, criticalErrorHandler{handler}, getCert)
|
|
go func() {
|
|
globalHTTPServerErrorCh <- httpServer.Start()
|
|
}()
|
|
|
|
globalObjLayerMutex.Lock()
|
|
globalHTTPServer = httpServer
|
|
globalObjLayerMutex.Unlock()
|
|
|
|
if globalIsDistXL && globalEndpoints.FirstLocal() {
|
|
// Additionally in distributed setup validate
|
|
if err := verifyServerSystemConfig(globalEndpoints); err != nil {
|
|
logger.Fatal(err, "Unable to initialize distributed setup")
|
|
}
|
|
}
|
|
|
|
newObject, err := newObjectLayer(globalEndpoints)
|
|
logger.SetDeploymentID(globalDeploymentID)
|
|
if err != nil {
|
|
// Stop watching for any certificate changes.
|
|
globalTLSCerts.Stop()
|
|
|
|
globalHTTPServer.Shutdown()
|
|
logger.Fatal(err, "Unable to initialize backend")
|
|
}
|
|
|
|
// Re-enable logging
|
|
logger.Disable = false
|
|
|
|
// Once endpoints are finalized, initialize the new object api in safe mode.
|
|
globalObjLayerMutex.Lock()
|
|
globalSafeMode = true
|
|
globalObjectAPI = newObject
|
|
globalObjLayerMutex.Unlock()
|
|
|
|
buckets, err := newObject.ListBuckets(context.Background())
|
|
if err != nil {
|
|
logger.Fatal(err, "Unable to list buckets")
|
|
}
|
|
|
|
// Populate existing buckets to the etcd backend
|
|
if globalDNSConfig != nil {
|
|
initFederatorBackend(buckets, newObject)
|
|
}
|
|
|
|
logger.FatalIf(initSafeModeInit(buckets), "Unable to initialize server")
|
|
|
|
if globalCacheConfig.Enabled {
|
|
msg := color.RedBold("Disk caching is disabled in 'server' mode, 'caching' is only supported in gateway deployments")
|
|
logger.StartupMessage(msg)
|
|
}
|
|
|
|
initDailyLifecycle()
|
|
|
|
if globalIsXL {
|
|
initBackgroundHealing()
|
|
initLocalDisksAutoHeal()
|
|
initGlobalHeal()
|
|
}
|
|
|
|
// Disable safe mode operation, after all initialization is over.
|
|
globalObjLayerMutex.Lock()
|
|
globalSafeMode = false
|
|
globalObjLayerMutex.Unlock()
|
|
|
|
// Prints the formatted startup message once object layer is initialized.
|
|
printStartupMessage(getAPIEndpoints())
|
|
|
|
if globalActiveCred.Equal(auth.DefaultCredentials) {
|
|
msg := fmt.Sprintf("Detected default credentials '%s', please change the credentials immediately using 'MINIO_ACCESS_KEY' and 'MINIO_SECRET_KEY'", globalActiveCred)
|
|
logger.StartupMessage(color.RedBold(msg))
|
|
}
|
|
|
|
// Set uptime time after object layer has initialized.
|
|
globalBootTime = UTCNow()
|
|
|
|
handleSignals()
|
|
}
|
|
|
|
// Initialize object layer with the supplied disks, objectLayer is nil upon any error.
|
|
func newObjectLayer(endpointZones EndpointZones) (newObject ObjectLayer, err error) {
|
|
// For FS only, directly use the disk.
|
|
|
|
if endpointZones.Nodes() == 1 {
|
|
// Initialize new FS object layer.
|
|
return NewFSObjectLayer(endpointZones[0].Endpoints[0].Path)
|
|
}
|
|
|
|
return newXLZones(endpointZones)
|
|
}
|
|
|