Files
seaweedfs/weed/shell/command_s3_bucket_create_test.go
T
Chris LuGitHubDevin <158243242+devin-ai-integration[bot]@users.noreply.github.com>Devin <158243242+devin-ai-integration[bot]@users.noreply.github.com>
b750853c42 shell: refuse s3.bucket.create on an existing bucket (#11455)
* shell: refuse s3.bucket.create on an existing bucket

CreateEntry without o_excl replaces the bucket entry, dropping every
extended attribute: lifecycle configuration, owner, versioning and the
irreversible Object Lock flag. Send o_excl so a re-run fails with
'bucket already exists' instead of silently resetting the bucket.

* filer: fail exclusive creates when the lookup itself fails

CreateEntry discards FindEntry errors, so an o_excl create hitting a
transient store failure would take the insert path and upsert over the
entry it was meant to preserve. Propagate the lookup error when o_excl
is set; non-exclusive creates keep their existing semantics.

Generated with [Devin](https://devin.ai)

Co-Authored-By: Devin <158243242+devin-ai-integration[bot]@users.noreply.github.com>

* shell: test s3.bucket.create requests an exclusive create

Exercises the command end to end through a fake filer gRPC server and
asserts the OExcl flag reaches the wire along with the already-exists
error path.

Generated with [Devin](https://devin.ai)

Co-Authored-By: Devin <158243242+devin-ai-integration[bot]@users.noreply.github.com>

* shell: synchronize captured requests and assert the exact bucket error

The fake filer records CreateEntry requests on the gRPC server goroutine,
so reads need the same mutex; the test also now checks for the exact
"bucket my-bucket already exists" message rather than any error that
mentions existence.

Generated with [Devin](https://devin.ai)

Co-Authored-By: Devin <158243242+devin-ai-integration[bot]@users.noreply.github.com>

---------

Co-authored-by: Devin <158243242+devin-ai-integration[bot]@users.noreply.github.com>
2026-09-25 22:04:54 +08:00

98 lines
2.8 KiB
Go

package shell
import (
"bytes"
"context"
"fmt"
"net"
"os"
"path/filepath"
"sync"
"testing"
"github.com/seaweedfs/seaweedfs/weed/pb"
"github.com/seaweedfs/seaweedfs/weed/pb/filer_pb"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"google.golang.org/grpc"
"google.golang.org/grpc/credentials/insecure"
)
type bucketCreateTestFilerServer struct {
filer_pb.UnimplementedSeaweedFilerServer
mu sync.Mutex
createReqs []*filer_pb.CreateEntryRequest
}
func (s *bucketCreateTestFilerServer) GetFilerConfiguration(context.Context, *filer_pb.GetFilerConfigurationRequest) (*filer_pb.GetFilerConfigurationResponse, error) {
return &filer_pb.GetFilerConfigurationResponse{DirBuckets: "/buckets"}, nil
}
func (s *bucketCreateTestFilerServer) CreateEntry(_ context.Context, req *filer_pb.CreateEntryRequest) (*filer_pb.CreateEntryResponse, error) {
s.mu.Lock()
defer s.mu.Unlock()
s.createReqs = append(s.createReqs, req)
return &filer_pb.CreateEntryResponse{
ErrorCode: filer_pb.FilerError_ENTRY_ALREADY_EXISTS,
Error: "entry already exists",
}, nil
}
func (s *bucketCreateTestFilerServer) createRequests() []*filer_pb.CreateEntryRequest {
s.mu.Lock()
defer s.mu.Unlock()
return append([]*filer_pb.CreateEntryRequest(nil), s.createReqs...)
}
func TestS3BucketCreateRequestsExclusiveCreate(t *testing.T) {
filerServer := &bucketCreateTestFilerServer{}
commandEnv, cleanup := newBucketCreateTestCommandEnv(t, filerServer)
defer cleanup()
var output bytes.Buffer
err := (&commandS3BucketCreate{}).Do([]string{"-name", "my-bucket"}, commandEnv, &output)
require.EqualError(t, err, "bucket my-bucket already exists")
reqs := filerServer.createRequests()
require.Len(t, reqs, 1)
req := reqs[0]
assert.True(t, req.OExcl, "bucket create must not replace an existing entry")
assert.Equal(t, "/buckets", req.Directory)
assert.Equal(t, "my-bucket", req.Entry.Name)
}
func newBucketCreateTestCommandEnv(t *testing.T, filerServer filer_pb.SeaweedFilerServer) (*CommandEnv, func()) {
t.Helper()
socketDir, err := os.MkdirTemp("", "swbucket-")
require.NoError(t, err)
t.Cleanup(func() { _ = os.RemoveAll(socketDir) })
socketPath := filepath.Join(socketDir, "filer.sock")
listener, err := net.Listen("unix", socketPath)
require.NoError(t, err)
grpcServer := grpc.NewServer()
filer_pb.RegisterSeaweedFilerServer(grpcServer, filerServer)
go func() {
_ = grpcServer.Serve(listener)
}()
grpcPort := 48000 + os.Getpid()%1000
pb.RegisterLocalGrpcSocket("127.0.0.1", grpcPort, socketPath)
cleanup := func() {
grpcServer.Stop()
_ = listener.Close()
}
return &CommandEnv{
option: &ShellOptions{
FilerAddress: pb.ServerAddress(fmt.Sprintf("127.0.0.1:8888.%d", grpcPort)),
GrpcDialOption: grpc.WithTransportCredentials(insecure.NewCredentials()),
Directory: "/",
},
}, cleanup
}