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1030 lines (916 loc) · 32.8 KB
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// Copyright (c) 2015-2021 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 (
"bufio"
"bytes"
"context"
"crypto/tls"
"crypto/x509"
"encoding/gob"
"encoding/pem"
"errors"
"fmt"
"math/rand"
"net"
"net/http"
"net/url"
"os"
"path"
"path/filepath"
"runtime"
"sort"
"strconv"
"strings"
"syscall"
"time"
"github.com/dustin/go-humanize"
fcolor "github.com/fatih/color"
"github.com/go-openapi/loads"
"github.com/inconshreveable/mousetrap"
dns2 "github.com/miekg/dns"
"github.com/minio/cli"
consoleoauth2 "github.com/minio/console/pkg/auth/idp/oauth2"
consoleCerts "github.com/minio/console/pkg/certs"
"github.com/minio/console/restapi"
"github.com/minio/console/restapi/operations"
"github.com/minio/kes-go"
"github.com/minio/madmin-go/v2"
"github.com/minio/minio-go/v7"
"github.com/minio/minio-go/v7/pkg/credentials"
"github.com/minio/minio-go/v7/pkg/set"
"github.com/minio/minio/internal/auth"
"github.com/minio/minio/internal/color"
"github.com/minio/minio/internal/config"
"github.com/minio/minio/internal/handlers"
"github.com/minio/minio/internal/kms"
"github.com/minio/minio/internal/logger"
"github.com/minio/pkg/certs"
"github.com/minio/pkg/console"
"github.com/minio/pkg/ellipses"
"github.com/minio/pkg/env"
xnet "github.com/minio/pkg/net"
"github.com/rs/dnscache"
)
// serverDebugLog will enable debug printing
var serverDebugLog = env.Get("_MINIO_SERVER_DEBUG", config.EnableOff) == config.EnableOn
var (
shardDiskTimeDelta time.Duration
defaultAWSCredProvider []credentials.Provider
)
func init() {
if runtime.GOOS == "windows" {
if mousetrap.StartedByExplorer() {
fmt.Printf("Don't double-click %s\n", os.Args[0])
fmt.Println("You need to open cmd.exe/PowerShell and run it from the command line")
fmt.Println("Refer to the docs here on how to run it as a Windows Service https://github.com/minio/minio-service/tree/master/windows")
fmt.Println("Press the Enter Key to Exit")
fmt.Scanln()
os.Exit(1)
}
}
rand.Seed(time.Now().UTC().UnixNano())
logger.Init(GOPATH, GOROOT)
logger.RegisterError(config.FmtError)
initGlobalContext()
options := dnscache.ResolverRefreshOptions{
ClearUnused: true,
PersistOnFailure: false,
}
t, _ := minioVersionToReleaseTime(Version)
if !t.IsZero() {
globalVersionUnix = uint64(t.Unix())
}
globalIsCICD = env.Get("MINIO_CI_CD", "") != "" || env.Get("CI", "") != ""
containers := IsKubernetes() || IsDocker() || IsBOSH() || IsDCOS() || IsPCFTile()
// Call to refresh will refresh names in cache. If you pass true, it will also
// remove cached names not looked up since the last call to Refresh. It is a good idea
// to call this method on a regular interval.
go func() {
var t *time.Ticker
if containers {
// k8s DNS TTL is 30s (Attempt a refresh only after)
t = time.NewTicker(30 * time.Second)
} else {
t = time.NewTicker(10 * time.Minute)
}
defer t.Stop()
for {
select {
case <-t.C:
globalDNSCache.RefreshWithOptions(options)
case <-GlobalContext.Done():
return
}
}
}()
globalForwarder = handlers.NewForwarder(&handlers.Forwarder{
PassHost: true,
RoundTripper: NewHTTPTransportWithTimeout(1 * time.Hour),
Logger: func(err error) {
if err != nil && !errors.Is(err, context.Canceled) {
logger.LogIf(GlobalContext, err)
}
},
})
console.SetColor("Debug", fcolor.New())
gob.Register(StorageErr(""))
gob.Register(madmin.TimeInfo{})
gob.Register(map[string]interface{}{})
defaultAWSCredProvider = []credentials.Provider{
&credentials.IAM{
Client: &http.Client{
Transport: NewHTTPTransport(),
},
},
}
var err error
shardDiskTimeDelta, err = time.ParseDuration(env.Get("_MINIO_SHARD_DISKTIME_DELTA", "1m"))
if err != nil {
shardDiskTimeDelta = 1 * time.Minute
}
// All minio-go API operations shall be performed only once,
// another way to look at this is we are turning off retries.
minio.MaxRetry = 1
}
const consolePrefix = "CONSOLE_"
func minioConfigToConsoleFeatures() {
os.Setenv("CONSOLE_PBKDF_SALT", globalDeploymentID)
os.Setenv("CONSOLE_PBKDF_PASSPHRASE", globalDeploymentID)
if globalMinioEndpoint != "" {
os.Setenv("CONSOLE_MINIO_SERVER", globalMinioEndpoint)
} else {
// Explicitly set 127.0.0.1 so Console will automatically bypass TLS verification to the local S3 API.
// This will save users from providing a certificate with IP or FQDN SAN that points to the local host.
os.Setenv("CONSOLE_MINIO_SERVER", fmt.Sprintf("%s://127.0.0.1:%s", getURLScheme(globalIsTLS), globalMinioPort))
}
if value := env.Get("MINIO_LOG_QUERY_URL", ""); value != "" {
os.Setenv("CONSOLE_LOG_QUERY_URL", value)
if value := env.Get("MINIO_LOG_QUERY_AUTH_TOKEN", ""); value != "" {
os.Setenv("CONSOLE_LOG_QUERY_AUTH_TOKEN", value)
}
}
// pass the console subpath configuration
if value := env.Get(config.EnvMinIOBrowserRedirectURL, ""); value != "" {
subPath := path.Clean(pathJoin(strings.TrimSpace(globalBrowserRedirectURL.Path), SlashSeparator))
if subPath != SlashSeparator {
os.Setenv("CONSOLE_SUBPATH", subPath)
}
}
// Enable if prometheus URL is set.
if value := env.Get("MINIO_PROMETHEUS_URL", ""); value != "" {
os.Setenv("CONSOLE_PROMETHEUS_URL", value)
if value := env.Get("MINIO_PROMETHEUS_JOB_ID", "minio-job"); value != "" {
os.Setenv("CONSOLE_PROMETHEUS_JOB_ID", value)
// Support additional labels for more granular filtering.
if value := env.Get("MINIO_PROMETHEUS_EXTRA_LABELS", ""); value != "" {
os.Setenv("CONSOLE_PROMETHEUS_EXTRA_LABELS", value)
}
}
}
// Enable if LDAP is enabled.
if globalIAMSys.LDAPConfig.Enabled() {
os.Setenv("CONSOLE_LDAP_ENABLED", config.EnableOn)
}
os.Setenv("CONSOLE_MINIO_REGION", globalSite.Region)
os.Setenv("CONSOLE_CERT_PASSWD", env.Get("MINIO_CERT_PASSWD", ""))
globalSubnetConfig.ApplyEnv()
}
func buildOpenIDConsoleConfig() consoleoauth2.OpenIDPCfg {
pcfgs := globalIAMSys.OpenIDConfig.ProviderCfgs
m := make(map[string]consoleoauth2.ProviderConfig, len(pcfgs))
for name, cfg := range pcfgs {
callback := getConsoleEndpoints()[0] + "/oauth_callback"
if cfg.RedirectURI != "" {
callback = cfg.RedirectURI
}
m[name] = consoleoauth2.ProviderConfig{
URL: cfg.URL.String(),
DisplayName: cfg.DisplayName,
ClientID: cfg.ClientID,
ClientSecret: cfg.ClientSecret,
HMACSalt: globalDeploymentID,
HMACPassphrase: cfg.ClientID,
Scopes: strings.Join(cfg.DiscoveryDoc.ScopesSupported, ","),
Userinfo: cfg.ClaimUserinfo,
RedirectCallbackDynamic: cfg.RedirectURIDynamic,
RedirectCallback: callback,
EndSessionEndpoint: cfg.DiscoveryDoc.EndSessionEndpoint,
RoleArn: cfg.GetRoleArn(),
}
}
return m
}
func initConsoleServer() (*restapi.Server, error) {
// unset all console_ environment variables.
for _, cenv := range env.List(consolePrefix) {
os.Unsetenv(cenv)
}
// enable all console environment variables
minioConfigToConsoleFeatures()
// set certs dir to minio directory
consoleCerts.GlobalCertsDir = &consoleCerts.ConfigDir{
Path: globalCertsDir.Get(),
}
consoleCerts.GlobalCertsCADir = &consoleCerts.ConfigDir{
Path: globalCertsCADir.Get(),
}
// set certs before other console initialization
restapi.GlobalRootCAs, restapi.GlobalPublicCerts, restapi.GlobalTLSCertsManager = globalRootCAs, globalPublicCerts, globalTLSCerts
swaggerSpec, err := loads.Embedded(restapi.SwaggerJSON, restapi.FlatSwaggerJSON)
if err != nil {
return nil, err
}
api := operations.NewConsoleAPI(swaggerSpec)
if !serverDebugLog {
// Disable console logging if server debug log is not enabled
noLog := func(string, ...interface{}) {}
restapi.LogInfo = noLog
restapi.LogError = noLog
api.Logger = noLog
}
// Pass in console application config. This needs to happen before the
// ConfigureAPI() call.
restapi.GlobalMinIOConfig = restapi.MinIOConfig{
OpenIDProviders: buildOpenIDConsoleConfig(),
}
server := restapi.NewServer(api)
// register all APIs
server.ConfigureAPI()
consolePort, _ := strconv.Atoi(globalMinioConsolePort)
server.Host = globalMinioConsoleHost
server.Port = consolePort
restapi.Port = globalMinioConsolePort
restapi.Hostname = globalMinioConsoleHost
if globalIsTLS {
// If TLS certificates are provided enforce the HTTPS.
server.EnabledListeners = []string{"https"}
server.TLSPort = consolePort
// Need to store tls-port, tls-host un config variables so secure.middleware can read from there
restapi.TLSPort = globalMinioConsolePort
restapi.Hostname = globalMinioConsoleHost
}
return server, nil
}
// Check for updates and print a notification message
func checkUpdate(mode string) {
updateURL := minioReleaseInfoURL
if runtime.GOOS == globalWindowsOSName {
updateURL = minioReleaseWindowsInfoURL
}
u, err := url.Parse(updateURL)
if err != nil {
return
}
// Its OK to ignore any errors during doUpdate() here.
crTime, err := GetCurrentReleaseTime()
if err != nil {
return
}
_, lrTime, err := getLatestReleaseTime(u, 2*time.Second, mode)
if err != nil {
return
}
var older time.Duration
var downloadURL string
if lrTime.After(crTime) {
older = lrTime.Sub(crTime)
downloadURL = getDownloadURL(releaseTimeToReleaseTag(lrTime))
}
updateMsg := prepareUpdateMessage(downloadURL, older)
if updateMsg == "" {
return
}
logger.Info(prepareUpdateMessage("Run `mc admin update`", lrTime.Sub(crTime)))
}
func newConfigDirFromCtx(ctx *cli.Context, option string, getDefaultDir func() string) (*ConfigDir, bool) {
var dir string
var dirSet bool
switch {
case ctx.IsSet(option):
dir = ctx.String(option)
dirSet = true
case ctx.GlobalIsSet(option):
dir = ctx.GlobalString(option)
dirSet = true
// cli package does not expose parent's option option. Below code is workaround.
if dir == "" || dir == getDefaultDir() {
dirSet = false // Unset to false since GlobalIsSet() true is a false positive.
if ctx.Parent().GlobalIsSet(option) {
dir = ctx.Parent().GlobalString(option)
dirSet = true
}
}
default:
// Neither local nor global option is provided. In this case, try to use
// default directory.
dir = getDefaultDir()
if dir == "" {
logger.FatalIf(errInvalidArgument, "%s option must be provided", option)
}
}
if dir == "" {
logger.FatalIf(errors.New("empty directory"), "%s directory cannot be empty", option)
}
// Disallow relative paths, figure out absolute paths.
dirAbs, err := filepath.Abs(dir)
logger.FatalIf(err, "Unable to fetch absolute path for %s=%s", option, dir)
logger.FatalIf(mkdirAllIgnorePerm(dirAbs), "Unable to create directory specified %s=%s", option, dir)
return &ConfigDir{path: dirAbs}, dirSet
}
func handleCommonCmdArgs(ctx *cli.Context) {
// Get "json" flag from command line argument and
// enable json and quite modes if json flag is turned on.
globalCLIContext.JSON = ctx.IsSet("json") || ctx.GlobalIsSet("json")
if globalCLIContext.JSON {
logger.EnableJSON()
}
// Get quiet flag from command line argument.
globalCLIContext.Quiet = ctx.IsSet("quiet") || ctx.GlobalIsSet("quiet")
if globalCLIContext.Quiet {
logger.EnableQuiet()
}
// Get anonymous flag from command line argument.
globalCLIContext.Anonymous = ctx.IsSet("anonymous") || ctx.GlobalIsSet("anonymous")
if globalCLIContext.Anonymous {
logger.EnableAnonymous()
}
// Fetch address option
addr := ctx.GlobalString("address")
if addr == "" || addr == ":"+GlobalMinioDefaultPort {
addr = ctx.String("address")
}
// Fetch console address option
consoleAddr := ctx.GlobalString("console-address")
if consoleAddr == "" {
consoleAddr = ctx.String("console-address")
}
if consoleAddr == "" {
p, err := xnet.GetFreePort()
if err != nil {
logger.FatalIf(err, "Unable to get free port for console on the host")
}
consoleAddr = net.JoinHostPort("", p.String())
}
if _, _, err := net.SplitHostPort(consoleAddr); err != nil {
logger.FatalIf(err, "Unable to start listening on console port")
}
if consoleAddr == addr {
logger.FatalIf(errors.New("--console-address cannot be same as --address"), "Unable to start the server")
}
globalMinioHost, globalMinioPort = mustSplitHostPort(addr)
globalMinioConsoleHost, globalMinioConsolePort = mustSplitHostPort(consoleAddr)
if globalMinioPort == globalMinioConsolePort {
logger.FatalIf(errors.New("--console-address port cannot be same as --address port"), "Unable to start the server")
}
globalMinioAddr = addr
// Check "no-compat" flag from command line argument.
globalCLIContext.StrictS3Compat = true
if ctx.IsSet("no-compat") || ctx.GlobalIsSet("no-compat") {
globalCLIContext.StrictS3Compat = false
}
// Set all config, certs and CAs directories.
var configSet, certsSet bool
globalConfigDir, configSet = newConfigDirFromCtx(ctx, "config-dir", defaultConfigDir.Get)
globalCertsDir, certsSet = newConfigDirFromCtx(ctx, "certs-dir", defaultCertsDir.Get)
// Remove this code when we deprecate and remove config-dir.
// This code is to make sure we inherit from the config-dir
// option if certs-dir is not provided.
if !certsSet && configSet {
globalCertsDir = &ConfigDir{path: filepath.Join(globalConfigDir.Get(), certsDir)}
}
globalCertsCADir = &ConfigDir{path: filepath.Join(globalCertsDir.Get(), certsCADir)}
logger.FatalIf(mkdirAllIgnorePerm(globalCertsCADir.Get()), "Unable to create certs CA directory at %s", globalCertsCADir.Get())
}
type envKV struct {
Key string
Value string
Skip bool
}
func (e envKV) String() string {
if e.Skip {
return ""
}
return fmt.Sprintf("%s=%s", e.Key, e.Value)
}
func parsEnvEntry(envEntry string) (envKV, error) {
envEntry = strings.TrimSpace(envEntry)
if envEntry == "" {
// Skip all empty lines
return envKV{
Skip: true,
}, nil
}
if strings.HasPrefix(envEntry, "#") {
// Skip commented lines
return envKV{
Skip: true,
}, nil
}
envTokens := strings.SplitN(strings.TrimSpace(strings.TrimPrefix(envEntry, "export")), config.EnvSeparator, 2)
if len(envTokens) != 2 {
return envKV{}, fmt.Errorf("envEntry malformed; %s, expected to be of form 'KEY=value'", envEntry)
}
key := envTokens[0]
val := envTokens[1]
// Remove quotes from the value if found
if len(val) >= 2 {
quote := val[0]
if (quote == '"' || quote == '\'') && val[len(val)-1] == quote {
val = val[1 : len(val)-1]
}
}
return envKV{
Key: key,
Value: val,
}, nil
}
// Similar to os.Environ returns a copy of strings representing
// the environment values from a file, in the form "key, value".
// in a structured form.
func minioEnvironFromFile(envConfigFile string) ([]envKV, error) {
f, err := Open(envConfigFile)
if err != nil {
return nil, err
}
defer f.Close()
var ekvs []envKV
scanner := bufio.NewScanner(f)
for scanner.Scan() {
ekv, err := parsEnvEntry(scanner.Text())
if err != nil {
return nil, err
}
if ekv.Skip {
// Skips empty lines
continue
}
ekvs = append(ekvs, ekv)
}
if err = scanner.Err(); err != nil {
return nil, err
}
return ekvs, nil
}
func readFromSecret(sp string) (string, error) {
// Supports reading path from docker secrets, filename is
// relative to /run/secrets/ position.
if isFile(pathJoin("/run/secrets/", sp)) {
sp = pathJoin("/run/secrets/", sp)
}
credBuf, err := os.ReadFile(sp)
if err != nil {
if os.IsNotExist(err) { // ignore if file doesn't exist.
return "", nil
}
return "", err
}
return string(bytes.TrimSpace(credBuf)), nil
}
func loadEnvVarsFromFiles() {
if env.IsSet(config.EnvAccessKeyFile) {
accessKey, err := readFromSecret(env.Get(config.EnvAccessKeyFile, ""))
if err != nil {
logger.Fatal(config.ErrInvalidCredentials(err),
"Unable to validate credentials inherited from the secret file(s)")
}
if accessKey != "" {
os.Setenv(config.EnvRootUser, accessKey)
}
}
if env.IsSet(config.EnvSecretKeyFile) {
secretKey, err := readFromSecret(env.Get(config.EnvSecretKeyFile, ""))
if err != nil {
logger.Fatal(config.ErrInvalidCredentials(err),
"Unable to validate credentials inherited from the secret file(s)")
}
if secretKey != "" {
os.Setenv(config.EnvRootPassword, secretKey)
}
}
if env.IsSet(config.EnvRootUserFile) {
rootUser, err := readFromSecret(env.Get(config.EnvRootUserFile, ""))
if err != nil {
logger.Fatal(config.ErrInvalidCredentials(err),
"Unable to validate credentials inherited from the secret file(s)")
}
if rootUser != "" {
os.Setenv(config.EnvRootUser, rootUser)
}
}
if env.IsSet(config.EnvRootPasswordFile) {
rootPassword, err := readFromSecret(env.Get(config.EnvRootPasswordFile, ""))
if err != nil {
logger.Fatal(config.ErrInvalidCredentials(err),
"Unable to validate credentials inherited from the secret file(s)")
}
if rootPassword != "" {
os.Setenv(config.EnvRootPassword, rootPassword)
}
}
if env.IsSet(kms.EnvKMSSecretKeyFile) {
kmsSecret, err := readFromSecret(env.Get(kms.EnvKMSSecretKeyFile, ""))
if err != nil {
logger.Fatal(err, "Unable to read the KMS secret key inherited from secret file")
}
if kmsSecret != "" {
os.Setenv(kms.EnvKMSSecretKey, kmsSecret)
}
}
if env.IsSet(config.EnvConfigEnvFile) {
ekvs, err := minioEnvironFromFile(env.Get(config.EnvConfigEnvFile, ""))
if err != nil && !os.IsNotExist(err) {
logger.Fatal(err, "Unable to read the config environment file")
}
for _, ekv := range ekvs {
os.Setenv(ekv.Key, ekv.Value)
}
}
}
func handleCommonEnvVars() {
loadEnvVarsFromFiles()
var err error
globalBrowserEnabled, err = config.ParseBool(env.Get(config.EnvBrowser, config.EnableOn))
if err != nil {
logger.Fatal(config.ErrInvalidBrowserValue(err), "Invalid MINIO_BROWSER value in environment variable")
}
if globalBrowserEnabled {
if redirectURL := env.Get(config.EnvMinIOBrowserRedirectURL, ""); redirectURL != "" {
u, err := xnet.ParseHTTPURL(redirectURL)
if err != nil {
logger.Fatal(err, "Invalid MINIO_BROWSER_REDIRECT_URL value in environment variable")
}
// Look for if URL has invalid values and return error.
if !((u.Scheme == "http" || u.Scheme == "https") &&
u.Opaque == "" &&
!u.ForceQuery && u.RawQuery == "" && u.Fragment == "") {
err := fmt.Errorf("URL contains unexpected resources, expected URL to be one of http(s)://console.example.com or as a subpath via API endpoint http(s)://minio.example.com/minio format: %v", u)
logger.Fatal(err, "Invalid MINIO_BROWSER_REDIRECT_URL value is environment variable")
}
globalBrowserRedirectURL = u
}
}
if serverURL := env.Get(config.EnvMinIOServerURL, ""); serverURL != "" {
u, err := xnet.ParseHTTPURL(serverURL)
if err != nil {
logger.Fatal(err, "Invalid MINIO_SERVER_URL value in environment variable")
}
// Look for if URL has invalid values and return error.
if !((u.Scheme == "http" || u.Scheme == "https") &&
(u.Path == "/" || u.Path == "") && u.Opaque == "" &&
!u.ForceQuery && u.RawQuery == "" && u.Fragment == "") {
err := fmt.Errorf("URL contains unexpected resources, expected URL to be of http(s)://minio.example.com format: %v", u)
logger.Fatal(err, "Invalid MINIO_SERVER_URL value is environment variable")
}
u.Path = "" // remove any path component such as `/`
globalMinioEndpoint = u.String()
globalMinioEndpointURL = u
}
globalFSOSync, err = config.ParseBool(env.Get(config.EnvFSOSync, config.EnableOff))
if err != nil {
logger.Fatal(config.ErrInvalidFSOSyncValue(err), "Invalid MINIO_FS_OSYNC value in environment variable")
}
if rootDiskSize := env.Get(config.EnvRootDiskThresholdSize, ""); rootDiskSize != "" {
size, err := humanize.ParseBytes(rootDiskSize)
if err != nil {
logger.Fatal(err, fmt.Sprintf("Invalid %s value in environment variable", config.EnvRootDiskThresholdSize))
}
globalRootDiskThreshold = size
}
domains := env.Get(config.EnvDomain, "")
if len(domains) != 0 {
for _, domainName := range strings.Split(domains, config.ValueSeparator) {
if _, ok := dns2.IsDomainName(domainName); !ok {
logger.Fatal(config.ErrInvalidDomainValue(nil).Msg("Unknown value `%s`", domainName),
"Invalid MINIO_DOMAIN value in environment variable")
}
globalDomainNames = append(globalDomainNames, domainName)
}
sort.Strings(globalDomainNames)
lcpSuf := lcpSuffix(globalDomainNames)
for _, domainName := range globalDomainNames {
if domainName == lcpSuf && len(globalDomainNames) > 1 {
logger.Fatal(config.ErrOverlappingDomainValue(nil).Msg("Overlapping domains `%s` not allowed", globalDomainNames),
"Invalid MINIO_DOMAIN value in environment variable")
}
}
}
publicIPs := env.Get(config.EnvPublicIPs, "")
if len(publicIPs) != 0 {
minioEndpoints := strings.Split(publicIPs, config.ValueSeparator)
domainIPs := set.NewStringSet()
for _, endpoint := range minioEndpoints {
if net.ParseIP(endpoint) == nil {
// Checking if the IP is a DNS entry.
addrs, err := globalDNSCache.LookupHost(GlobalContext, endpoint)
if err != nil {
logger.FatalIf(err, "Unable to initialize MinIO server with [%s] invalid entry found in MINIO_PUBLIC_IPS", endpoint)
}
for _, addr := range addrs {
domainIPs.Add(addr)
}
}
domainIPs.Add(endpoint)
}
updateDomainIPs(domainIPs)
} else {
// Add found interfaces IP address to global domain IPS,
// loopback addresses will be naturally dropped.
domainIPs := mustGetLocalIP4()
for _, host := range globalEndpoints.Hostnames() {
domainIPs.Add(host)
}
updateDomainIPs(domainIPs)
}
// In place update is true by default if the MINIO_UPDATE is not set
// or is not set to 'off', if MINIO_UPDATE is set to 'off' then
// in-place update is off.
globalInplaceUpdateDisabled = strings.EqualFold(env.Get(config.EnvUpdate, config.EnableOn), config.EnableOff)
// Check if the supported credential env vars,
// "MINIO_ROOT_USER" and "MINIO_ROOT_PASSWORD" are provided
// Warn user if deprecated environment variables,
// "MINIO_ACCESS_KEY" and "MINIO_SECRET_KEY", are defined
// Check all error conditions first
//nolint:gocritic
if !env.IsSet(config.EnvRootUser) && env.IsSet(config.EnvRootPassword) {
logger.Fatal(config.ErrMissingEnvCredentialRootUser(nil), "Unable to start MinIO")
} else if env.IsSet(config.EnvRootUser) && !env.IsSet(config.EnvRootPassword) {
logger.Fatal(config.ErrMissingEnvCredentialRootPassword(nil), "Unable to start MinIO")
} else if !env.IsSet(config.EnvRootUser) && !env.IsSet(config.EnvRootPassword) {
if !env.IsSet(config.EnvAccessKey) && env.IsSet(config.EnvSecretKey) {
logger.Fatal(config.ErrMissingEnvCredentialAccessKey(nil), "Unable to start MinIO")
} else if env.IsSet(config.EnvAccessKey) && !env.IsSet(config.EnvSecretKey) {
logger.Fatal(config.ErrMissingEnvCredentialSecretKey(nil), "Unable to start MinIO")
}
}
// At this point, either both environment variables
// are defined or both are not defined.
// Check both cases and authenticate them if correctly defined
var user, password string
var hasCredentials bool
//nolint:gocritic
if env.IsSet(config.EnvRootUser) && env.IsSet(config.EnvRootPassword) {
user = env.Get(config.EnvRootUser, "")
password = env.Get(config.EnvRootPassword, "")
hasCredentials = true
} else if env.IsSet(config.EnvAccessKey) && env.IsSet(config.EnvSecretKey) {
user = env.Get(config.EnvAccessKey, "")
password = env.Get(config.EnvSecretKey, "")
hasCredentials = true
}
if hasCredentials {
cred, err := auth.CreateCredentials(user, password)
if err != nil {
logger.Fatal(config.ErrInvalidCredentials(err),
"Unable to validate credentials inherited from the shell environment")
}
if env.IsSet(config.EnvAccessKey) && env.IsSet(config.EnvSecretKey) {
msg := fmt.Sprintf("WARNING: %s and %s are deprecated.\n"+
" Please use %s and %s",
config.EnvAccessKey, config.EnvSecretKey,
config.EnvRootUser, config.EnvRootPassword)
logger.Info(color.RedBold(msg))
}
globalActiveCred = cred
} else {
globalActiveCred = auth.DefaultCredentials
}
}
// Initialize KMS global variable after valiadating and loading the configuration.
// It depends on KMS env variables and global cli flags.
func handleKMSConfig() {
if env.IsSet(kms.EnvKMSSecretKey) && env.IsSet(kms.EnvKESEndpoint) {
logger.Fatal(errors.New("ambigious KMS configuration"), fmt.Sprintf("The environment contains %q as well as %q", kms.EnvKMSSecretKey, kms.EnvKESEndpoint))
}
if env.IsSet(kms.EnvKMSSecretKey) {
KMS, err := kms.Parse(env.Get(kms.EnvKMSSecretKey, ""))
if err != nil {
logger.Fatal(err, "Unable to parse the KMS secret key inherited from the shell environment")
}
GlobalKMS = KMS
}
if env.IsSet(kms.EnvKESEndpoint) {
if env.IsSet(kms.EnvKESAPIKey) {
if env.IsSet(kms.EnvKESClientKey) {
logger.Fatal(errors.New("ambigious KMS configuration"), fmt.Sprintf("The environment contains %q as well as %q", kms.EnvKESAPIKey, kms.EnvKESClientKey))
}
if env.IsSet(kms.EnvKESClientCert) {
logger.Fatal(errors.New("ambigious KMS configuration"), fmt.Sprintf("The environment contains %q as well as %q", kms.EnvKESAPIKey, kms.EnvKESClientCert))
}
}
var endpoints []string
for _, endpoint := range strings.Split(env.Get(kms.EnvKESEndpoint, ""), ",") {
if strings.TrimSpace(endpoint) == "" {
continue
}
if !ellipses.HasEllipses(endpoint) {
endpoints = append(endpoints, endpoint)
continue
}
patterns, err := ellipses.FindEllipsesPatterns(endpoint)
if err != nil {
logger.Fatal(err, fmt.Sprintf("Invalid KES endpoint %q", endpoint))
}
for _, lbls := range patterns.Expand() {
endpoints = append(endpoints, strings.Join(lbls, ""))
}
}
rootCAs, err := certs.GetRootCAs(env.Get(kms.EnvKESServerCA, globalCertsCADir.Get()))
if err != nil {
logger.Fatal(err, fmt.Sprintf("Unable to load X.509 root CAs for KES from %q", env.Get(kms.EnvKESServerCA, globalCertsCADir.Get())))
}
var kmsConf kms.Config
if env.IsSet(kms.EnvKESAPIKey) {
key, err := kes.ParseAPIKey(env.Get(kms.EnvKESAPIKey, ""))
if err != nil {
logger.Fatal(err, fmt.Sprintf("Failed to parse KES API key from %q", env.Get(kms.EnvKESAPIKey, "")))
}
kmsConf = kms.Config{
Endpoints: endpoints,
Enclave: env.Get(kms.EnvKESEnclave, ""),
DefaultKeyID: env.Get(kms.EnvKESKeyName, ""),
APIKey: key,
RootCAs: rootCAs,
}
} else {
loadX509KeyPair := func(certFile, keyFile string) (tls.Certificate, error) {
// Manually load the certificate and private key into memory.
// We need to check whether the private key is encrypted, and
// if so, decrypt it using the user-provided password.
certBytes, err := os.ReadFile(certFile)
if err != nil {
return tls.Certificate{}, fmt.Errorf("Unable to load KES client certificate as specified by the shell environment: %v", err)
}
keyBytes, err := os.ReadFile(keyFile)
if err != nil {
return tls.Certificate{}, fmt.Errorf("Unable to load KES client private key as specified by the shell environment: %v", err)
}
privateKeyPEM, rest := pem.Decode(bytes.TrimSpace(keyBytes))
if len(rest) != 0 {
return tls.Certificate{}, errors.New("Unable to load KES client private key as specified by the shell environment: private key contains additional data")
}
if x509.IsEncryptedPEMBlock(privateKeyPEM) {
keyBytes, err = x509.DecryptPEMBlock(privateKeyPEM, []byte(env.Get(kms.EnvKESClientPassword, "")))
if err != nil {
return tls.Certificate{}, fmt.Errorf("Unable to decrypt KES client private key as specified by the shell environment: %v", err)
}
keyBytes = pem.EncodeToMemory(&pem.Block{Type: privateKeyPEM.Type, Bytes: keyBytes})
}
certificate, err := tls.X509KeyPair(certBytes, keyBytes)
if err != nil {
return tls.Certificate{}, fmt.Errorf("Unable to load KES client certificate as specified by the shell environment: %v", err)
}
return certificate, nil
}
reloadCertEvents := make(chan tls.Certificate, 1)
certificate, err := certs.NewCertificate(env.Get(kms.EnvKESClientCert, ""), env.Get(kms.EnvKESClientKey, ""), loadX509KeyPair)
if err != nil {
logger.Fatal(err, "Failed to load KES client certificate")
}
certificate.Watch(context.Background(), 15*time.Minute, syscall.SIGHUP)
certificate.Notify(reloadCertEvents)
kmsConf = kms.Conf
A2DB
ig{
Endpoints: endpoints,
Enclave: env.Get(kms.EnvKESEnclave, ""),
DefaultKeyID: env.Get(kms.EnvKESKeyName, ""),
Certificate: certificate,
ReloadCertEvents: reloadCertEvents,
RootCAs: rootCAs,
}
}
KMS, err := kms.NewWithConfig(kmsConf)
if err != nil {
logger.Fatal(err, "Unable to initialize a connection to KES as specified by the shell environment")
}
// We check that the default key ID exists or try to create it otherwise.
// This implicitly checks that we can communicate to KES. We don't treat
// a policy error as failure condition since MinIO may not have the permission
// to create keys - just to generate/decrypt data encryption keys.
if err = KMS.CreateKey(context.Background(), env.Get(kms.EnvKESKeyName, "")); err != nil && !errors.Is(err, kes.ErrKeyExists) && !errors.Is(err, kes.ErrNotAllowed) {
logger.Fatal(err, "Unable to initialize a connection to KES as specified by the shell environment")
}
GlobalKMS = KMS
}
}
func getTLSConfig() (x509Certs []*x509.Certificate, manager *certs.Manager, secureConn bool, err error) {
if !(isFile(getPublicCertFile()) && isFile(getPrivateKeyFile())) {
return nil, nil, false, nil
}
if x509Certs, err = config.ParsePublicCertFile(getPublicCertFile()); err != nil {
return nil, nil, false, err
}
manager, err = certs.NewManager(GlobalContext, getPublicCertFile(), getPrivateKeyFile(), config.LoadX509KeyPair)
if err != nil {
return nil, nil, false, err
}
// MinIO has support for multiple certificates. It expects the following structure:
// certs/
// │
// ├─ public.crt
// ├─ private.key
// │
// ├─ example.com/
// │ │
// │ ├─ public.crt
// │ └─ private.key
// └─ foobar.org/
// │
// ├─ public.crt
// └─ private.key
// ...
//
// Therefore, we read all filenames in the cert directory and check
// for each directory whether it contains a public.crt and private.key.
// If so, we try to add it to certificate manager.
root, err := Open(globalCertsDir.Get())
if err != nil {
return nil, nil, false, err
}
defer root.Close()
files, err := root.Readdir(-1)
if err != nil {
return nil, nil, false, err
}
for _, file := range files {
// Ignore all
// - regular files
// - "CAs" directory
// - any directory which starts with ".."
if file.Mode().IsRegular() || file.Name() == "CAs" || strings.HasPrefix(file.Name(), "..") {
continue
}
if file.Mode()&os.ModeSymlink == os.ModeSymlink {
file, err = Stat(filepath.Join(root.Name(), file.Name()))
if err != nil {
// not accessible ignore
continue
}
if !file.IsDir() {
continue
}
}
var (
certFile = filepath.Join(root.Name(), file.Name(), publicCertFile)
keyFile = filepath.Join(root.Name(), file.Name(), privateKeyFile)
)
if !isFile(certFile) || !isFile(keyFile) {
continue
}
if err = manager.AddCertificate(certFile, keyFile); err != nil {
err = fmt.Errorf("Unable to load TLS certificate '%s,%s': %w", certFile, keyFile, err)
logger.LogIf(GlobalContext, err, logger.Minio)
}
}
secureConn = true
// Certs might be symlinks, reload them every 10 seconds.
manager.UpdateReloadDuration(10 * time.Second)
// syscall.SIGHUP to reload the certs.
manager.ReloadOnSignal(syscall.SIGHUP)
return x509Certs, manager, secureConn, nil
}
// contextCanceled returns whether a context is canceled.
func contextCanceled(ctx context.Context) bool {
select {
case <-ctx.Done():
return true
default:
return false
}