mirror of
https://github.com/seaweedfs/seaweedfs.git
synced 2024-01-19 02:48:24 +00:00
143 lines
3.8 KiB
Go
143 lines
3.8 KiB
Go
package shell
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import (
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"context"
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"flag"
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"fmt"
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"github.com/chrislusf/seaweedfs/weed/filer"
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"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
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"github.com/chrislusf/seaweedfs/weed/util"
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"github.com/golang/protobuf/proto"
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"io"
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"regexp"
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)
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func init() {
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Commands = append(Commands, &commandRemoteConfigure{})
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}
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type commandRemoteConfigure struct {
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}
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func (c *commandRemoteConfigure) Name() string {
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return "remote.configure"
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}
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func (c *commandRemoteConfigure) Help() string {
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return `remote storage configuration
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# see the current configurations
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remote.configure
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# set or update a configuration
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remote.configure -name=cloud1 -type=s3 -access_key=xxx -secret_key=yyy
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# delete one configuration
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remote.configure -delete -name=cloud1
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`
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}
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var (
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isAlpha = regexp.MustCompile(`^[A-Za-z][A-Za-z0-9]*$`).MatchString
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)
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func (c *commandRemoteConfigure) Do(args []string, commandEnv *CommandEnv, writer io.Writer) (err error) {
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conf := &filer_pb.RemoteConf{}
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remoteConfigureCommand := flag.NewFlagSet(c.Name(), flag.ContinueOnError)
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isDelete := remoteConfigureCommand.Bool("delete", false, "delete one remote storage by its name")
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remoteConfigureCommand.StringVar(&conf.Name, "name", "", "a short name to identify the remote storage")
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remoteConfigureCommand.StringVar(&conf.Type, "type", "s3", "storage type, currently only support s3")
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remoteConfigureCommand.StringVar(&conf.S3AccessKey, "s3.access_key", "", "s3 access key")
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remoteConfigureCommand.StringVar(&conf.S3SecretKey, "s3.secret_key", "", "s3 secret key")
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remoteConfigureCommand.StringVar(&conf.S3Region, "s3.region", "us-east-2", "s3 region")
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remoteConfigureCommand.StringVar(&conf.S3Endpoint, "s3.endpoint", "", "endpoint for s3-compatible local object store")
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if err = remoteConfigureCommand.Parse(args); err != nil {
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return nil
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}
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if conf.Name == "" {
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return c.listExistingRemoteStorages(commandEnv, writer)
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}
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if !isAlpha(conf.Name) {
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return fmt.Errorf("only letters and numbers allowed in name: %v", conf.Name)
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}
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if *isDelete {
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return c.deleteRemoteStorage(commandEnv, writer, conf.Name)
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}
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return c.saveRemoteStorage(commandEnv, writer, conf)
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}
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func (c *commandRemoteConfigure) listExistingRemoteStorages(commandEnv *CommandEnv, writer io.Writer) error {
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return filer_pb.ReadDirAllEntries(commandEnv, util.FullPath(filer.DirectoryEtcRemote), "", func(entry *filer_pb.Entry, isLast bool) error {
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if len(entry.Content) == 0 {
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fmt.Fprintf(writer, "skipping %s\n", entry.Name)
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return nil
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}
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conf := &filer_pb.RemoteConf{}
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if err := proto.Unmarshal(entry.Content, conf); err != nil {
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return fmt.Errorf("unmarshal %s/%s: %v", filer.DirectoryEtcRemote, entry.Name, err)
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}
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conf.S3SecretKey = ""
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fmt.Fprintf(writer, "%+v\n", conf)
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return nil
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})
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}
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func (c *commandRemoteConfigure) deleteRemoteStorage(commandEnv *CommandEnv, writer io.Writer, storageName string) error {
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return commandEnv.WithFilerClient(func(client filer_pb.SeaweedFilerClient) error {
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request := &filer_pb.DeleteEntryRequest{
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Directory: filer.DirectoryEtcRemote,
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Name: storageName,
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IgnoreRecursiveError: false,
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IsDeleteData: true,
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IsRecursive: true,
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IsFromOtherCluster: false,
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Signatures: nil,
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}
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_, err := client.DeleteEntry(context.Background(), request)
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if err == nil {
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fmt.Fprintf(writer, "removed: %s\n", storageName)
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}
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return err
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})
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}
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func (c *commandRemoteConfigure) saveRemoteStorage(commandEnv *CommandEnv, writer io.Writer, conf *filer_pb.RemoteConf) error {
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data, err := proto.Marshal(conf)
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if err != nil {
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return err
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}
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if err = commandEnv.WithFilerClient(func(client filer_pb.SeaweedFilerClient) error {
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return filer.SaveInsideFiler(client, filer.DirectoryEtcRemote, conf.Name, data)
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}); err != nil && err != filer_pb.ErrNotFound {
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return err
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}
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return nil
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}
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