This commit is contained in:
Chris Lu 2021-09-04 05:02:20 -07:00
parent 13cc2ef723
commit 8707ef00a6
2 changed files with 39 additions and 31 deletions

View file

@ -0,0 +1,38 @@
package filer
import (
"fmt"
"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
"github.com/chrislusf/seaweedfs/weed/pb/remote_pb"
)
func SaveMountMapping(filerClient filer_pb.FilerClient, dir string, remoteStorageLocation *remote_pb.RemoteStorageLocation) (err error) {
// read current mapping
var oldContent, newContent []byte
err = filerClient.WithFilerClient(func(client filer_pb.SeaweedFilerClient) error {
oldContent, err = ReadInsideFiler(client, DirectoryEtcRemote, REMOTE_STORAGE_MOUNT_FILE)
return err
})
if err != nil {
if err != filer_pb.ErrNotFound {
return fmt.Errorf("read existing mapping: %v", err)
}
}
// add new mapping
newContent, err = AddRemoteStorageMapping(oldContent, dir, remoteStorageLocation)
if err != nil {
return fmt.Errorf("add mapping %s~%s: %v", dir, remoteStorageLocation, err)
}
// save back
err = filerClient.WithFilerClient(func(client filer_pb.SeaweedFilerClient) error {
return SaveInsideFiler(client, DirectoryEtcRemote, REMOTE_STORAGE_MOUNT_FILE, newContent)
})
if err != nil {
return fmt.Errorf("save mapping: %v", err)
}
return nil
}

View file

@ -79,7 +79,7 @@ func (c *commandRemoteMount) Do(args []string, commandEnv *CommandEnv, writer io
} }
// store a mount configuration in filer // store a mount configuration in filer
if err = c.saveMountMapping(commandEnv, *dir, remoteStorageLocation); err != nil { if err = filer.SaveMountMapping(commandEnv, *dir, remoteStorageLocation); err != nil {
return fmt.Errorf("save mount mapping: %v", err) return fmt.Errorf("save mount mapping: %v", err)
} }
@ -177,36 +177,6 @@ func (c *commandRemoteMount) syncMetadata(commandEnv *CommandEnv, writer io.Writ
return nil return nil
} }
func (c *commandRemoteMount) saveMountMapping(filerClient filer_pb.FilerClient, dir string, remoteStorageLocation *remote_pb.RemoteStorageLocation) (err error) {
// read current mapping
var oldContent, newContent []byte
err = filerClient.WithFilerClient(func(client filer_pb.SeaweedFilerClient) error {
oldContent, err = filer.ReadInsideFiler(client, filer.DirectoryEtcRemote, filer.REMOTE_STORAGE_MOUNT_FILE)
return err
})
if err != nil {
if err != filer_pb.ErrNotFound {
return fmt.Errorf("read existing mapping: %v", err)
}
}
// add new mapping
newContent, err = filer.AddRemoteStorageMapping(oldContent, dir, remoteStorageLocation)
if err != nil {
return fmt.Errorf("add mapping %s~%s: %v", dir, remoteStorageLocation, err)
}
// save back
err = filerClient.WithFilerClient(func(client filer_pb.SeaweedFilerClient) error {
return filer.SaveInsideFiler(client, filer.DirectoryEtcRemote, filer.REMOTE_STORAGE_MOUNT_FILE, newContent)
})
if err != nil {
return fmt.Errorf("save mapping: %v", err)
}
return nil
}
// if an entry has synchronized metadata but has not synchronized content // if an entry has synchronized metadata but has not synchronized content
// entry.Attributes.FileSize == entry.RemoteEntry.RemoteSize // entry.Attributes.FileSize == entry.RemoteEntry.RemoteSize