filer conf: delete location specific configuration

weed/filer/filer_conf.go

@@ -82,6 +82,18 @@ func (fc *FilerConf) AddLocationConf(locConf *filer_pb.FilerConf_PathConf) (err
 	return
 }
 
+func (fc *FilerConf) DeleteLocationConf(locationPrefix string) {
+	rules := ptrie.New()
+	fc.rules.Walk(func(key []byte, value interface{}) bool {
+		if string(key) == locationPrefix {
+			return true
+		}
+		rules.Put(key, value)
+		return true
+	})
+	fc.rules = rules
+	return
+}
 
 var (
 	EmptyFilerConfPathConf = &filer_pb.FilerConf_PathConf{}
@@ -110,4 +122,4 @@ func (fc *FilerConf) ToProto() *filer_pb.FilerConf {
 
 func (fc *FilerConf) ToText(writer io.Writer) error {
 	return proto.MarshalText(writer, fc.ToProto())
-}
+}

weed/pb/filer_pb/filer_pb_helper.go

@@ -8,6 +8,7 @@ import (
 
 	"github.com/chrislusf/seaweedfs/weed/glog"
 	"github.com/chrislusf/seaweedfs/weed/storage/needle"
+	"github.com/golang/protobuf/proto"
 	"github.com/viant/ptrie"
 )
 
@@ -143,5 +144,6 @@ func IsRename(event *SubscribeMetadataResponse) bool {
 var _ = ptrie.KeyProvider(&FilerConf_PathConf{})
 
 func (fp *FilerConf_PathConf) Key() interface{} {
-	return fp.LocationPrefix
+	key, _ := proto.Marshal(fp)
+	return string(key)
 }

weed/shell/command_fs_configure.go

@@ -3,11 +3,14 @@ package shell
 import (
 	"bytes"
 	"flag"
+	"fmt"
 	"io"
 	"math"
+	"net/http"
 
 	"github.com/chrislusf/seaweedfs/weed/filer"
 	"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
+	"github.com/chrislusf/seaweedfs/weed/util"
 )
 
 func init() {
@@ -32,11 +35,12 @@ func (c *commandFsConfigure) Help() string {
 func (c *commandFsConfigure) Do(args []string, commandEnv *CommandEnv, writer io.Writer) (err error) {
 
 	fsConfigureCommand := flag.NewFlagSet(c.Name(), flag.ContinueOnError)
-	locationPrefix := fsConfigureCommand.String("locationPrefix", "", "path prefix")
+	locationPrefix := fsConfigureCommand.String("locationPrefix", "", "path prefix, required to update the path-specific configuration")
 	collection := fsConfigureCommand.String("collection", "", "assign writes to this colletion")
 	replication := fsConfigureCommand.String("replication", "", "assign writes with this replication")
 	ttl := fsConfigureCommand.String("ttl", "", "assign writes with this ttl")
 	fsync := fsConfigureCommand.Bool("fsync", false, "fsync for the writes")
+	isDelete := fsConfigureCommand.Bool("delete", false, "delete the configuration by locationPrefix")
 	apply := fsConfigureCommand.Bool("apply", false, "update and apply filer configuration")
 	if err = fsConfigureCommand.Parse(args); err != nil {
 		return nil
@@ -73,13 +77,36 @@ func (c *commandFsConfigure) Do(args []string, commandEnv *CommandEnv, writer io
 			Ttl:            *ttl,
 			Fsync:          *fsync,
 		}
-		fc.AddLocationConf(locConf)
+		if *isDelete {
+			fc.DeleteLocationConf(*locationPrefix)
+		} else {
+			fc.AddLocationConf(locConf)
+		}
 	}
 
-	fc.ToText(writer)
+	buf.Reset()
+	fc.ToText(&buf)
+
+	fmt.Fprintf(writer, string(buf.Bytes()))
 
 	if *apply {
 
+		target := fmt.Sprintf("http://%s:%d%s/%s", commandEnv.option.FilerHost, commandEnv.option.FilerPort, filer.DirectoryEtc, filer.FilerConfName)
+
+		// set the HTTP method, url, and request body
+		req, err := http.NewRequest(http.MethodPut, target, &buf)
+		if err != nil {
+			return err
+		}
+
+		// set the request header Content-Type for json
+		req.Header.Set("Content-Type", "text/plain; charset=utf-8")
+		resp, err := http.DefaultClient.Do(req)
+		if err != nil {
+			return err
+		}
+		util.CloseResponse(resp)
+
 	}
 
 	return nil