c7ad427d95
* Move metainfo config * move config to uplink * reorganize code * use satellite apikey * comment update
260 lines
7.0 KiB
Go
260 lines
7.0 KiB
Go
// Copyright (C) 2019 Storj Labs, Inc.
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// See LICENSE for copying information.
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package main
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import (
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"context"
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"crypto/rand"
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"fmt"
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"net"
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"os"
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"path/filepath"
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base58 "github.com/jbenet/go-base58"
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"github.com/minio/cli"
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minio "github.com/minio/minio/cmd"
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"github.com/spf13/cobra"
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"github.com/zeebo/errs"
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"go.uber.org/zap"
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"storj.io/storj/internal/fpath"
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"storj.io/storj/pkg/cfgstruct"
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"storj.io/storj/pkg/identity"
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"storj.io/storj/pkg/miniogw"
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"storj.io/storj/pkg/process"
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"storj.io/storj/pkg/storj"
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"storj.io/storj/uplink"
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)
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// GatewayFlags configuration flags
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type GatewayFlags struct {
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Identity identity.Config
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APIKey string `default:"" help:"the api key to use for the satellite" setup:"true"`
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GenerateTestCerts bool `default:"false" help:"generate sample TLS certs for Minio GW" setup:"true"`
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SatelliteAddr string `default:"localhost:7778" help:"the address to use for the satellite" setup:"true"`
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Server miniogw.ServerConfig
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Minio miniogw.MinioConfig
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uplink.Config
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}
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var (
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// rootCmd represents the base gateway command when called without any subcommands
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rootCmd = &cobra.Command{
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Use: "gateway",
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Short: "The Storj client-side S3 gateway",
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Args: cobra.OnlyValidArgs,
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}
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setupCmd = &cobra.Command{
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Use: "setup",
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Short: "Create a gateway config file",
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RunE: cmdSetup,
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Annotations: map[string]string{"type": "setup"},
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}
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runCmd = &cobra.Command{
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Use: "run",
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Short: "Run the S3 gateway",
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RunE: cmdRun,
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}
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defaultConfDir = fpath.ApplicationDir("storj", "gateway")
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defaultIdentityDir = fpath.ApplicationDir("storj", "identity", "gateway")
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setupCfg GatewayFlags
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runCfg GatewayFlags
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confDir string
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identityDir string
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)
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func init() {
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dirParam := cfgstruct.FindConfigDirParam()
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if dirParam != "" {
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defaultConfDir = dirParam
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}
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identityDirParam := cfgstruct.FindIdentityDirParam()
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if identityDirParam != "" {
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defaultIdentityDir = identityDirParam
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}
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rootCmd.PersistentFlags().StringVar(&confDir, "config-dir", defaultConfDir, "main directory for setup configuration")
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err := rootCmd.PersistentFlags().SetAnnotation("config-dir", "setup", []string{"true"})
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if err != nil {
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zap.S().Error("Failed to set 'setup' annotation for 'config-dir'")
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}
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rootCmd.PersistentFlags().StringVar(&identityDir, "identity-dir", defaultIdentityDir, "main directory for gateway identity credentials")
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err = rootCmd.PersistentFlags().SetAnnotation("identity-dir", "setup", []string{"true"})
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if err != nil {
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zap.S().Error("Failed to set 'setup' annotation for 'config-dir'")
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}
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rootCmd.AddCommand(runCmd)
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rootCmd.AddCommand(setupCmd)
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cfgstruct.Bind(runCmd.Flags(), &runCfg, cfgstruct.ConfDir(defaultConfDir), cfgstruct.IdentityDir(defaultIdentityDir))
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cfgstruct.BindSetup(setupCmd.Flags(), &setupCfg, cfgstruct.ConfDir(defaultConfDir), cfgstruct.IdentityDir(defaultIdentityDir))
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}
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func cmdSetup(cmd *cobra.Command, args []string) (err error) {
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setupDir, err := filepath.Abs(confDir)
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if err != nil {
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return err
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}
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valid, _ := fpath.IsValidSetupDir(setupDir)
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if !valid {
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return fmt.Errorf("gateway configuration already exists (%v)", setupDir)
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}
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err = os.MkdirAll(setupDir, 0700)
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if err != nil {
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return err
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}
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if setupCfg.GenerateTestCerts {
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minioCerts := filepath.Join(setupDir, "minio", "certs")
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if err := os.MkdirAll(minioCerts, 0744); err != nil {
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return err
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}
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if err := os.Link(setupCfg.Identity.CertPath, filepath.Join(minioCerts, "public.crt")); err != nil {
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return err
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}
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if err := os.Link(setupCfg.Identity.KeyPath, filepath.Join(minioCerts, "private.key")); err != nil {
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return err
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}
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}
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overrides := map[string]interface{}{
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"client.api-key": setupCfg.APIKey,
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"client.pointer-db-addr": setupCfg.SatelliteAddr,
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"client.overlay-addr": setupCfg.SatelliteAddr,
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}
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accessKeyFlag := cmd.Flag("minio.access-key")
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if !accessKeyFlag.Changed {
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accessKey, err := generateKey()
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if err != nil {
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return err
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}
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overrides[accessKeyFlag.Name] = accessKey
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}
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secretKeyFlag := cmd.Flag("minio.secret-key")
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if !secretKeyFlag.Changed {
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secretKey, err := generateKey()
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if err != nil {
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return err
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}
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overrides[secretKeyFlag.Name] = secretKey
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}
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return process.SaveConfigWithAllDefaults(cmd.Flags(), filepath.Join(setupDir, "config.yaml"), overrides)
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}
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func cmdRun(cmd *cobra.Command, args []string) (err error) {
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identity, err := runCfg.Identity.Load()
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if err != nil {
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zap.S().Fatal(err)
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}
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address := runCfg.Server.Address
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host, port, err := net.SplitHostPort(address)
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if err != nil {
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return err
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}
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if host == "" {
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address = net.JoinHostPort("localhost", port)
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}
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fmt.Printf("Starting Storj S3-compatible gateway!\n\n")
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fmt.Printf("Endpoint: %s\n", address)
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fmt.Printf("Access key: %s\n", runCfg.Minio.AccessKey)
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fmt.Printf("Secret key: %s\n", runCfg.Minio.SecretKey)
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ctx := process.Ctx(cmd)
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metainfo, _, err := runCfg.GetMetainfo(ctx, identity)
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if err != nil {
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return err
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}
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if err := process.InitMetricsWithCertPath(ctx, nil, runCfg.Identity.CertPath); err != nil {
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zap.S().Error("Failed to initialize telemetry batcher: ", err)
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}
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_, err = metainfo.ListBuckets(ctx, storj.BucketListOptions{Direction: storj.After})
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if err != nil {
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return fmt.Errorf("Failed to contact Satellite.\n"+
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"Perhaps your configuration is invalid?\n%s", err)
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}
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return runCfg.Run(ctx, identity)
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}
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func generateKey() (key string, err error) {
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var buf [20]byte
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_, err = rand.Read(buf[:])
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if err != nil {
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return "", err
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}
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return base58.Encode(buf[:]), nil
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}
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// Run starts a Minio Gateway given proper config
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func (flags GatewayFlags) Run(ctx context.Context, identity *identity.FullIdentity) (err error) {
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err = minio.RegisterGatewayCommand(cli.Command{
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Name: "storj",
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Usage: "Storj",
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Action: func(cliCtx *cli.Context) error {
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return flags.action(ctx, cliCtx, identity)
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},
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HideHelpCommand: true,
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})
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if err != nil {
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return err
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}
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// TODO(jt): Surely there is a better way. This is so upsetting
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err = os.Setenv("MINIO_ACCESS_KEY", flags.Minio.AccessKey)
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if err != nil {
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return err
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}
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err = os.Setenv("MINIO_SECRET_KEY", flags.Minio.SecretKey)
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if err != nil {
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return err
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}
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minio.Main([]string{"storj", "gateway", "storj",
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"--address", flags.Server.Address, "--config-dir", flags.Minio.Dir, "--quiet"})
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return errs.New("unexpected minio exit")
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}
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func (flags GatewayFlags) action(ctx context.Context, cliCtx *cli.Context, identity *identity.FullIdentity) (err error) {
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gw, err := flags.NewGateway(ctx, identity)
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if err != nil {
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return err
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}
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minio.StartGateway(cliCtx, miniogw.Logging(gw, zap.L()))
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return errs.New("unexpected minio exit")
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}
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// NewGateway creates a new minio Gateway
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func (flags GatewayFlags) NewGateway(ctx context.Context, identity *identity.FullIdentity) (gw minio.Gateway, err error) {
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metainfo, streams, err := flags.GetMetainfo(ctx, identity)
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if err != nil {
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return nil, err
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}
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return miniogw.NewStorjGateway(
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metainfo,
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streams,
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storj.Cipher(flags.Enc.PathType),
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flags.GetEncryptionScheme(),
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flags.GetRedundancyScheme(),
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), nil
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}
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func main() {
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process.Exec(rootCmd)
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}
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