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package shell
import (
"context"
"flag"
"fmt"
"github.com/chrislusf/seaweedfs/weed/filer"
"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
"github.com/chrislusf/seaweedfs/weed/util"
"github.com/golang/protobuf/jsonpb"
"github.com/golang/protobuf/proto"
"io"
"regexp"
"strings"
)
func init() {
Commands = append(Commands, &commandRemoteConfigure{})
}
type commandRemoteConfigure struct {
}
func (c *commandRemoteConfigure) Name() string {
return "remote.configure"
}
func (c *commandRemoteConfigure) Help() string {
return `remote storage configuration
# see the current configurations
remote.configure
# set or update a configuration
remote.configure -name=cloud1 -type=s3 -s3.access_key=xxx -s3.secret_key=yyy
remote.configure -name=cloud2 -type=gcs -gcs.appCredentialsFile=~/service-account-file.json
remote.configure -name=cloud3 -type=azure -azure.account_name=xxx -azure.account_key=yyy
# delete one configuration
remote.configure -delete -name=cloud1
`
}
var (
isAlpha = regexp.MustCompile(`^[A-Za-z][A-Za-z0-9]*$`).MatchString
)
func (c *commandRemoteConfigure) Do(args []string, commandEnv *CommandEnv, writer io.Writer) (err error) {
conf := &filer_pb.RemoteConf{}
remoteConfigureCommand := flag.NewFlagSet(c.Name(), flag.ContinueOnError)
isDelete := remoteConfigureCommand.Bool("delete", false, "delete one remote storage by its name")
remoteConfigureCommand.StringVar(&conf.Name, "name", "", "a short name to identify the remote storage")
remoteConfigureCommand.StringVar(&conf.Type, "type", "s3", "[s3|gcs|azure|b2] storage type")
remoteConfigureCommand.StringVar(&conf.S3AccessKey, "s3.access_key", "", "s3 access key")
remoteConfigureCommand.StringVar(&conf.S3SecretKey, "s3.secret_key", "", "s3 secret key")
remoteConfigureCommand.StringVar(&conf.S3Region, "s3.region", "us-east-2", "s3 region")
remoteConfigureCommand.StringVar(&conf.S3Endpoint, "s3.endpoint", "", "endpoint for s3-compatible local object store")
remoteConfigureCommand.StringVar(&conf.S3StorageClass, "s3.storage_class", "", "s3 storage class")
remoteConfigureCommand.BoolVar(&conf.S3ForcePathStyle, "s3.force_path_style", true, "s3 force path style")
remoteConfigureCommand.StringVar(&conf.GcsGoogleApplicationCredentials, "gcs.appCredentialsFile", "", "google cloud storage credentials file, default to use env GOOGLE_APPLICATION_CREDENTIALS")
remoteConfigureCommand.StringVar(&conf.AzureAccountName, "azure.account_name", "", "azure account name, default to use env AZURE_STORAGE_ACCOUNT")
remoteConfigureCommand.StringVar(&conf.AzureAccountKey, "azure.account_key", "", "azure account name, default to use env AZURE_STORAGE_ACCESS_KEY")
remoteConfigureCommand.StringVar(&conf.BackblazeKeyId, "b2.key_id", "", "backblaze keyID")
remoteConfigureCommand.StringVar(&conf.BackblazeApplicationKey, "b2.application_key", "", "backblaze applicationKey. Note that your Master Application Key will not work with the S3 Compatible API. You must create a new key that is eligible for use. For more information: https://help.backblaze.com/hc/en-us/articles/360047425453")
remoteConfigureCommand.StringVar(&conf.BackblazeEndpoint, "b2.endpoint", "", "backblaze endpoint")
remoteConfigureCommand.StringVar(&conf.AliyunAccessKey, "aliyun.access_key", "", "Aliyun access key")
remoteConfigureCommand.StringVar(&conf.AliyunSecretKey, "aliyun.secret_key", "", "Aliyun secret key")
remoteConfigureCommand.StringVar(&conf.AliyunEndpoint, "aliyun.endpoint", "", "Aliyun endpoint")
remoteConfigureCommand.StringVar(&conf.TencentSecretId, "tencent.secret_id", "", "Tencent Secret Id")
remoteConfigureCommand.StringVar(&conf.TencentSecretKey, "tencent.secret_key", "", "Tencent secret key")
remoteConfigureCommand.StringVar(&conf.TencentEndpoint, "tencent.endpoint", "", "Tencent endpoint")
if err = remoteConfigureCommand.Parse(args); err != nil {
return nil
}
if conf.Name == "" {
return c.listExistingRemoteStorages(commandEnv, writer)
}
if !isAlpha(conf.Name) {
return fmt.Errorf("only letters and numbers allowed in name: %v", conf.Name)
}
if *isDelete {
return c.deleteRemoteStorage(commandEnv, writer, conf.Name)
}
return c.saveRemoteStorage(commandEnv, writer, conf)
}
func (c *commandRemoteConfigure) listExistingRemoteStorages(commandEnv *CommandEnv, writer io.Writer) error {
return filer_pb.ReadDirAllEntries(commandEnv, util.FullPath(filer.DirectoryEtcRemote), "", func(entry *filer_pb.Entry, isLast bool) error {
if len(entry.Content) == 0 {
fmt.Fprintf(writer, "skipping %s\n", entry.Name)
return nil
}
if !strings.HasSuffix(entry.Name, filer.REMOTE_STORAGE_CONF_SUFFIX) {
return nil
}
conf := &filer_pb.RemoteConf{}
if err := proto.Unmarshal(entry.Content, conf); err != nil {
return fmt.Errorf("unmarshal %s/%s: %v", filer.DirectoryEtcRemote, entry.Name, err)
}
conf.S3SecretKey = strings.Repeat("*", len(conf.S3SecretKey))
m := jsonpb.Marshaler{
EmitDefaults: false,
Indent: " ",
}
err := m.Marshal(writer, conf)
fmt.Fprintln(writer)
return err
})
}
func (c *commandRemoteConfigure) deleteRemoteStorage(commandEnv *CommandEnv, writer io.Writer, storageName string) error {
return commandEnv.WithFilerClient(func(client filer_pb.SeaweedFilerClient) error {
request := &filer_pb.DeleteEntryRequest{
Directory: filer.DirectoryEtcRemote,
Name: storageName + filer.REMOTE_STORAGE_CONF_SUFFIX,
IgnoreRecursiveError: false,
IsDeleteData: true,
IsRecursive: true,
IsFromOtherCluster: false,
Signatures: nil,
}
_, err := client.DeleteEntry(context.Background(), request)
if err == nil {
fmt.Fprintf(writer, "removed: %s\n", storageName)
}
return err
})
}
func (c *commandRemoteConfigure) saveRemoteStorage(commandEnv *CommandEnv, writer io.Writer, conf *filer_pb.RemoteConf) error {
data, err := proto.Marshal(conf)
if err != nil {
return err
}
if err = commandEnv.WithFilerClient(func(client filer_pb.SeaweedFilerClient) error {
return filer.SaveInsideFiler(client, filer.DirectoryEtcRemote, conf.Name+filer.REMOTE_STORAGE_CONF_SUFFIX, data)
}); err != nil && err != filer_pb.ErrNotFound {
return err
}
return nil
}
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