ee4a6a823d
- adding oauth support to MinIO browser (#8400) by @kanagaraj - supports multi-line get/set/del for all config fields - add support for comments, allow toggle - add extensive validation of config before saving - support MinIO browser to support proper claims, using STS tokens - env support for all config parameters, legacy envs are also supported with all documentation now pointing to latest ENVs - preserve accessKey/secretKey from FS mode setups - add history support implements three APIs - ClearHistory - RestoreHistory - ListHistory - add help command support for each config parameters - all the bug fixes after migration to KV, and other bug fixes encountered during testing.
405 lines
13 KiB
Go
405 lines
13 KiB
Go
/*
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* MinIO Cloud Storage, (C) 2015-2019 MinIO, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package cmd
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import (
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"context"
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"encoding/gob"
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"fmt"
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"net/http"
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"os"
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"os/signal"
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"strings"
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"syscall"
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"github.com/minio/cli"
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"github.com/minio/dsync/v2"
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"github.com/minio/minio/cmd/config"
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xhttp "github.com/minio/minio/cmd/http"
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"github.com/minio/minio/cmd/logger"
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"github.com/minio/minio/pkg/auth"
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"github.com/minio/minio/pkg/certs"
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"github.com/minio/minio/pkg/color"
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"github.com/minio/minio/pkg/env"
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)
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func init() {
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logger.Init(GOPATH, GOROOT)
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logger.RegisterError(config.FmtError)
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gob.Register(VerifyFileError(""))
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gob.Register(DeleteFileError(""))
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}
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// ServerFlags - server command specific flags
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var ServerFlags = []cli.Flag{
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cli.StringFlag{
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Name: "address",
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Value: ":" + globalMinioDefaultPort,
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Usage: "bind to a specific ADDRESS:PORT, ADDRESS can be an IP or hostname",
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},
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}
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var serverCmd = cli.Command{
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Name: "server",
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Usage: "start object storage server",
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Flags: append(ServerFlags, GlobalFlags...),
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Action: serverMain,
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CustomHelpTemplate: `NAME:
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{{.HelpName}} - {{.Usage}}
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USAGE:
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{{.HelpName}} {{if .VisibleFlags}}[FLAGS] {{end}}DIR1 [DIR2..]
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{{.HelpName}} {{if .VisibleFlags}}[FLAGS] {{end}}DIR{1...64}
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DIR:
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DIR points to a directory on a filesystem. When you want to combine
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multiple drives into a single large system, pass one directory per
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filesystem separated by space. You may also use a '...' convention
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to abbreviate the directory arguments. Remote directories in a
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distributed setup are encoded as HTTP(s) URIs.
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{{if .VisibleFlags}}
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FLAGS:
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{{range .VisibleFlags}}{{.}}
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{{end}}{{end}}
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ENVIRONMENT VARIABLES:
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ACCESS:
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MINIO_ACCESS_KEY: Custom username or access key of minimum 3 characters in length.
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MINIO_SECRET_KEY: Custom password or secret key of minimum 8 characters in length.
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BROWSER:
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MINIO_BROWSER: To disable web browser access, set this value to "off".
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DOMAIN:
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MINIO_DOMAIN: To enable virtual-host-style requests, set this value to MinIO host domain name.
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WORM:
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MINIO_WORM: To turn on Write-Once-Read-Many in server, set this value to "on".
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BUCKET-DNS:
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MINIO_DOMAIN: To enable bucket DNS requests, set this value to MinIO host domain name.
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MINIO_PUBLIC_IPS: To enable bucket DNS requests, set this value to list of MinIO host public IP(s) delimited by ",".
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MINIO_ETCD_ENDPOINTS: To enable bucket DNS requests, set this value to list of etcd endpoints delimited by ",".
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KMS:
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MINIO_KMS_VAULT_ENDPOINT: To enable Vault as KMS,set this value to Vault endpoint.
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MINIO_KMS_VAULT_APPROLE_ID: To enable Vault as KMS,set this value to Vault AppRole ID.
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MINIO_KMS_VAULT_APPROLE_SECRET: To enable Vault as KMS,set this value to Vault AppRole Secret ID.
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MINIO_KMS_VAULT_KEY_NAME: To enable Vault as KMS,set this value to Vault encryption key-ring name.
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EXAMPLES:
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1. Start minio server on "/home/shared" directory.
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{{.Prompt}} {{.HelpName}} /home/shared
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2. Start minio server bound to a specific ADDRESS:PORT.
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{{.Prompt}} {{.HelpName}} --address 192.168.1.101:9000 /home/shared
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3. Start minio server and enable virtual-host-style requests.
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{{.Prompt}} {{.EnvVarSetCommand}} MINIO_DOMAIN{{.AssignmentOperator}}mydomain.com
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{{.Prompt}} {{.HelpName}} --address mydomain.com:9000 /mnt/export
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4. Start erasure coded minio server on a node with 64 drives.
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{{.Prompt}} {{.HelpName}} /mnt/export{1...64}
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5. Start distributed minio server on an 32 node setup with 32 drives each. Run following command on all the 32 nodes.
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{{.Prompt}} {{.EnvVarSetCommand}} MINIO_ACCESS_KEY{{.AssignmentOperator}}minio
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{{.Prompt}} {{.EnvVarSetCommand}} MINIO_SECRET_KEY{{.AssignmentOperator}}miniostorage
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{{.Prompt}} {{.HelpName}} http://node{1...32}.example.com/mnt/export/{1...32}
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6. Start minio server with KMS enabled.
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{{.Prompt}} {{.EnvVarSetCommand}} MINIO_KMS_VAULT_APPROLE_ID{{.AssignmentOperator}}9b56cc08-8258-45d5-24a3-679876769126
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{{.Prompt}} {{.EnvVarSetCommand}} MINIO_KMS_VAULT_APPROLE_SECRET{{.AssignmentOperator}}4e30c52f-13e4-a6f5-0763-d50e8cb4321f
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{{.Prompt}} {{.EnvVarSetCommand}} MINIO_KMS_VAULT_ENDPOINT{{.AssignmentOperator}}https://vault-endpoint-ip:8200
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{{.Prompt}} {{.EnvVarSetCommand}} MINIO_KMS_VAULT_KEY_NAME{{.AssignmentOperator}}my-minio-key
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{{.Prompt}} {{.HelpName}} /home/shared
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`,
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}
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// Checks if endpoints are either available through environment
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// or command line, returns false if both fails.
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func endpointsPresent(ctx *cli.Context) bool {
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_, ok := env.Lookup(config.EnvEndpoints)
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if !ok {
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ok = ctx.Args().Present()
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}
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return ok
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}
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func serverHandleCmdArgs(ctx *cli.Context) {
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// Handle common command args.
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handleCommonCmdArgs(ctx)
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logger.FatalIf(CheckLocalServerAddr(globalCLIContext.Addr), "Unable to validate passed arguments")
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var setupType SetupType
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var err error
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if len(ctx.Args()) > serverCommandLineArgsMax {
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uErr := config.ErrInvalidErasureEndpoints(nil).Msg(fmt.Sprintf("Invalid total number of endpoints (%d) passed, supported upto 32 unique arguments",
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len(ctx.Args())))
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logger.FatalIf(uErr, "Unable to validate passed endpoints")
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}
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endpoints := strings.Fields(env.Get(config.EnvEndpoints, ""))
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if len(endpoints) > 0 {
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globalMinioAddr, globalEndpoints, setupType, globalXLSetCount, globalXLSetDriveCount, err = createServerEndpoints(globalCLIContext.Addr, endpoints...)
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} else {
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globalMinioAddr, globalEndpoints, setupType, globalXLSetCount, globalXLSetDriveCount, err = createServerEndpoints(globalCLIContext.Addr, ctx.Args()...)
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}
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logger.FatalIf(err, "Invalid command line arguments")
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logger.LogIf(context.Background(), checkEndpointsSubOptimal(ctx, setupType, globalEndpoints))
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globalMinioHost, globalMinioPort = mustSplitHostPort(globalMinioAddr)
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// On macOS, if a process already listens on LOCALIPADDR:PORT, net.Listen() falls back
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// to IPv6 address ie minio will start listening on IPv6 address whereas another
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// (non-)minio process is listening on IPv4 of given port.
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// To avoid this error sutiation we check for port availability.
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logger.FatalIf(checkPortAvailability(globalMinioHost, globalMinioPort), "Unable to start the server")
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globalIsXL = (setupType == XLSetupType)
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globalIsDistXL = (setupType == DistXLSetupType)
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if globalIsDistXL {
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globalIsXL = true
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}
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}
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func serverHandleEnvVars() {
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// Handle common environment variables.
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handleCommonEnvVars()
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accessKey := env.Get(config.EnvAccessKey, "")
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secretKey := env.Get(config.EnvSecretKey, "")
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if accessKey != "" && secretKey != "" {
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cred, err := auth.CreateCredentials(accessKey, secretKey)
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if err != nil {
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logger.Fatal(config.ErrInvalidCredentials(err),
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"Unable to validate credentials inherited from the shell environment")
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}
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globalActiveCred = cred
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}
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}
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// serverMain handler called for 'minio server' command.
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func serverMain(ctx *cli.Context) {
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if ctx.Args().First() == "help" || !endpointsPresent(ctx) {
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cli.ShowCommandHelpAndExit(ctx, "server", 1)
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}
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signal.Notify(globalOSSignalCh, os.Interrupt, syscall.SIGTERM)
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// Disable logging until server initialization is complete, any
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// error during initialization will be shown as a fatal message
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logger.Disable = true
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// Handle all server command args.
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serverHandleCmdArgs(ctx)
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// Check and load TLS certificates.
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var err error
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globalPublicCerts, globalTLSCerts, globalIsSSL, err = getTLSConfig()
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logger.FatalIf(err, "Unable to load the TLS configuration")
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// Check and load Root CAs.
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globalRootCAs, err = config.GetRootCAs(globalCertsCADir.Get())
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logger.FatalIf(err, "Failed to read root CAs (%v)", err)
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// Handle all server environment vars.
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serverHandleEnvVars()
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// Is distributed setup, error out if no certificates are found for HTTPS endpoints.
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if globalIsDistXL {
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if globalEndpoints.IsHTTPS() && !globalIsSSL {
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logger.Fatal(config.ErrNoCertsAndHTTPSEndpoints(nil), "Unable to start the server")
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}
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if !globalEndpoints.IsHTTPS() && globalIsSSL {
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logger.Fatal(config.ErrCertsAndHTTPEndpoints(nil), "Unable to start the server")
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}
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}
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if !globalCLIContext.Quiet {
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// Check for new updates from dl.min.io.
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checkUpdate(getMinioMode())
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}
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if !globalActiveCred.IsValid() && globalIsDistXL {
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logger.Fatal(config.ErrEnvCredentialsMissingDistributed(nil),
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"Unable to initialize the server in distributed mode")
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}
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// Set system resources to maximum.
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logger.LogIf(context.Background(), setMaxResources())
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// Set nodes for dsync for distributed setup.
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if globalIsDistXL {
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clnts, myNode, err := newDsyncNodes(globalEndpoints)
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if err != nil {
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logger.Fatal(err, "Unable to initialize distributed locking on %s", globalEndpoints)
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}
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globalDsync, err = dsync.New(clnts, myNode)
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if err != nil {
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logger.Fatal(err, "Unable to initialize distributed locking on %s", globalEndpoints)
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}
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}
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// Initialize name space lock.
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initNSLock(globalIsDistXL)
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if globalIsXL {
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// Init global heal state
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globalAllHealState = initHealState()
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globalSweepHealState = initHealState()
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}
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// Initialize globalConsoleSys system
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globalConsoleSys = NewConsoleLogger(context.Background(), globalEndpoints)
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// Configure server.
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var handler http.Handler
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handler, err = configureServerHandler(globalEndpoints)
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if err != nil {
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logger.Fatal(config.ErrUnexpectedError(err), "Unable to configure one of server's RPC services")
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}
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var getCert certs.GetCertificateFunc
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if globalTLSCerts != nil {
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getCert = globalTLSCerts.GetCertificate
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}
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globalHTTPServer = xhttp.NewServer([]string{globalMinioAddr}, criticalErrorHandler{handler}, getCert)
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go func() {
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globalHTTPServerErrorCh <- globalHTTPServer.Start()
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}()
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newObject, err := newObjectLayer(globalEndpoints)
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logger.SetDeploymentID(globalDeploymentID)
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if err != nil {
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// Stop watching for any certificate changes.
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globalTLSCerts.Stop()
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globalHTTPServer.Shutdown()
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logger.FatalIf(err, "Unable to initialize backend")
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}
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// Populate existing buckets to the etcd backend
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if globalDNSConfig != nil {
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initFederatorBackend(newObject)
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}
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// Re-enable logging
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logger.Disable = false
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// Create a new config system.
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globalConfigSys = NewConfigSys()
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// Initialize config system.
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if err = globalConfigSys.Init(newObject); err != nil {
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logger.Fatal(err, "Unable to initialize config system")
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}
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if globalCacheConfig.Enabled {
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logger.StartupMessage(color.Red(color.Bold("Disk caching is recommended only for gateway deployments")))
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// initialize the new disk cache objects.
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globalCacheObjectAPI, err = newServerCacheObjects(context.Background(), globalCacheConfig)
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logger.FatalIf(err, "Unable to initialize disk caching")
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}
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// Create new IAM system.
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globalIAMSys = NewIAMSys()
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if err = globalIAMSys.Init(newObject); err != nil {
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logger.Fatal(err, "Unable to initialize IAM system")
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}
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buckets, err := newObject.ListBuckets(context.Background())
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if err != nil {
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logger.Fatal(err, "Unable to list buckets on your backend")
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}
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// Create new policy system.
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globalPolicySys = NewPolicySys()
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// Initialize policy system.
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if err = globalPolicySys.Init(buckets, newObject); err != nil {
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logger.Fatal(err, "Unable to initialize policy system")
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}
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// Create new lifecycle system.
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globalLifecycleSys = NewLifecycleSys()
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// Initialize lifecycle system.
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if err = globalLifecycleSys.Init(buckets, newObject); err != nil {
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logger.Fatal(err, "Unable to initialize lifecycle system")
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}
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// Create new notification system.
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globalNotificationSys = NewNotificationSys(globalServerConfig, globalEndpoints)
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// Initialize notification system.
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if err = globalNotificationSys.Init(buckets, newObject); err != nil {
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logger.Fatal(err, "Unable to initialize notification system")
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}
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// Verify if object layer supports
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// - encryption
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// - compression
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verifyObjectLayerFeatures("server", newObject)
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initDailyLifecycle()
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if globalIsXL {
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initBackgroundHealing()
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initDailyHeal()
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initDailySweeper()
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}
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globalObjLayerMutex.Lock()
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globalObjectAPI = newObject
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globalObjLayerMutex.Unlock()
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// Prints the formatted startup message once object layer is initialized.
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printStartupMessage(getAPIEndpoints())
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if globalActiveCred.Equal(auth.DefaultCredentials) {
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msg := fmt.Sprintf("Detected default credentials '%s', please change the credentials immediately using 'MINIO_ACCESS_KEY' and 'MINIO_SECRET_KEY'", globalActiveCred)
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logger.StartupMessage(color.Red(color.Bold(msg)))
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}
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// Set uptime time after object layer has initialized.
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globalBootTime = UTCNow()
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handleSignals()
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}
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// Initialize object layer with the supplied disks, objectLayer is nil upon any error.
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func newObjectLayer(endpoints EndpointList) (newObject ObjectLayer, err error) {
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// For FS only, directly use the disk.
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isFS := len(endpoints) == 1
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if isFS {
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// Initialize new FS object layer.
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return NewFSObjectLayer(endpoints[0].Path)
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}
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format, err := waitForFormatXL(endpoints[0].IsLocal, endpoints, globalXLSetCount, globalXLSetDriveCount)
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if err != nil {
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return nil, err
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}
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return newXLSets(endpoints, format, len(format.XL.Sets), len(format.XL.Sets[0]))
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}
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