Files
s3/weed/cluster/lock_ring_manager_test.go
zooqueen dd74d3e6d6 Replace AGPL MinIO fork with Apache-2.0 SeaweedFS fork; rebrand CLI weed->s3
hanzoai/s3 was an AGPL-3.0 MinIO fork whose network-copyleft blocks embedding
and reselling as a managed service. Replace it wholesale with a fork of
SeaweedFS (github.com/seaweedfs/seaweedfs, Apache-2.0, Go) which ships a
built-in S3 gateway + Filer.

- License: AGPL-3.0 -> Apache-2.0 (upstream LICENSE kept verbatim, incl.
  "Copyright 2025 Chris Lu"); NOTICE added crediting SeaweedFS. No AGPL/BUSL/
  SSPL/GPL or enterprise ("ee") files remain.
- Module: go.mod path set to github.com/hanzoai/s3 with a self-replace
  (replace github.com/seaweedfs/seaweedfs => ./) so the ~1800 internal Go files
  keep their upstream import paths with zero churn. Internal identifiers and
  import paths are intentionally NOT renamed.
- CLI rebrand: the binary is built as `s3` (was `weed`); root usage, per-command
  help/usage/flag strings, shell autocomplete program name, and the product name
  in CLI output now read "Hanzo S3" / `s3`. Users never see `weed`.
  (e.g. `s3 server`, `s3 filer`, `s3 master`, `s3 volume`, `s3 s3`, `s3 mount`.)
- Build: `make` (or `go build -o s3 ./weed`) builds the `s3` binary green;
  `cmd/weed-db` and `cmd/weed-sql` also build; `go vet ./weed/command/` clean.
- README/LLM.md rewritten for Hanzo S3; AGENTS.md/CLAUDE.md symlinks preserved.
- Dropped a 33MB prebuilt Mach-O `stress` binary upstream had committed; `.gitignore`
  updated to ignore the `s3` build output.
2026-06-18 23:41:25 -07:00

230 lines
6.3 KiB
Go

package cluster
import (
"sync"
"testing"
"time"
"github.com/seaweedfs/seaweedfs/weed/pb"
"github.com/seaweedfs/seaweedfs/weed/pb/master_pb"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestLockRingManager_BatchesRapidChanges(t *testing.T) {
var mu sync.Mutex
var broadcasts []*master_pb.LockRingUpdate
lrm := NewLockRingManager(func(resp *master_pb.KeepConnectedResponse) {
mu.Lock()
if resp.LockRingUpdate != nil {
broadcasts = append(broadcasts, resp.LockRingUpdate)
}
mu.Unlock()
})
lrm.stabilizeDelay = 100 * time.Millisecond
group := FilerGroupName("default")
// Add 3 servers in rapid succession
lrm.AddServer(group, "filer1:8888")
lrm.AddServer(group, "filer2:8888")
lrm.AddServer(group, "filer3:8888")
// No broadcast should have happened yet (timer hasn't fired)
mu.Lock()
assert.Equal(t, 0, len(broadcasts), "should not broadcast before stabilization delay")
mu.Unlock()
// Wait for stabilization
time.Sleep(200 * time.Millisecond)
mu.Lock()
require.Equal(t, 1, len(broadcasts), "should batch into a single broadcast")
assert.Equal(t, 3, len(broadcasts[0].Servers), "should include all 3 servers")
assert.Greater(t, broadcasts[0].Version, int64(0))
mu.Unlock()
}
func TestLockRingManager_DropAndJoinBatched(t *testing.T) {
var mu sync.Mutex
var broadcasts []*master_pb.LockRingUpdate
lrm := NewLockRingManager(func(resp *master_pb.KeepConnectedResponse) {
mu.Lock()
if resp.LockRingUpdate != nil {
broadcasts = append(broadcasts, resp.LockRingUpdate)
}
mu.Unlock()
})
lrm.stabilizeDelay = 100 * time.Millisecond
group := FilerGroupName("default")
// Set up initial state
lrm.AddServer(group, "filer1:8888")
lrm.AddServer(group, "filer2:8888")
lrm.AddServer(group, "filer3:8888")
lrm.FlushPending(group)
mu.Lock()
broadcasts = nil // reset
mu.Unlock()
// Simulate drop + join in rapid succession
lrm.RemoveServer(group, "filer3:8888")
lrm.AddServer(group, "filer4:8888")
// Should not have broadcast yet
mu.Lock()
assert.Equal(t, 0, len(broadcasts))
mu.Unlock()
// Wait for stabilization
time.Sleep(200 * time.Millisecond)
mu.Lock()
require.Equal(t, 1, len(broadcasts), "drop+join should be batched into single broadcast")
servers := broadcasts[0].Servers
assert.Equal(t, 3, len(servers), "should have filer1, filer2, filer4")
// filer3 should be gone, filer4 should be present
serverSet := make(map[string]bool)
for _, s := range servers {
serverSet[s] = true
}
assert.False(t, serverSet["filer3:8888"], "filer3 should be removed")
assert.True(t, serverSet["filer4:8888"], "filer4 should be added")
mu.Unlock()
}
func TestLockRingManager_VersionIncrements(t *testing.T) {
var mu sync.Mutex
var broadcasts []*master_pb.LockRingUpdate
lrm := NewLockRingManager(func(resp *master_pb.KeepConnectedResponse) {
mu.Lock()
if resp.LockRingUpdate != nil {
broadcasts = append(broadcasts, resp.LockRingUpdate)
}
mu.Unlock()
})
lrm.stabilizeDelay = 50 * time.Millisecond
group := FilerGroupName("default")
lrm.AddServer(group, "filer1:8888")
time.Sleep(100 * time.Millisecond)
lrm.AddServer(group, "filer2:8888")
time.Sleep(100 * time.Millisecond)
mu.Lock()
require.Equal(t, 2, len(broadcasts))
assert.Greater(t, broadcasts[0].Version, int64(0), "version should be positive")
assert.Greater(t, broadcasts[1].Version, broadcasts[0].Version, "versions should be monotonically increasing")
mu.Unlock()
}
func TestLockRingManager_FlushPending(t *testing.T) {
var mu sync.Mutex
var broadcasts []*master_pb.LockRingUpdate
lrm := NewLockRingManager(func(resp *master_pb.KeepConnectedResponse) {
mu.Lock()
if resp.LockRingUpdate != nil {
broadcasts = append(broadcasts, resp.LockRingUpdate)
}
mu.Unlock()
})
lrm.stabilizeDelay = 10 * time.Second // long delay
group := FilerGroupName("default")
lrm.AddServer(group, "filer1:8888")
lrm.AddServer(group, "filer2:8888")
// Flush immediately
lrm.FlushPending(group)
mu.Lock()
require.Equal(t, 1, len(broadcasts))
assert.Equal(t, 2, len(broadcasts[0].Servers))
mu.Unlock()
}
func TestLockRingManager_MultipleGroups(t *testing.T) {
var mu sync.Mutex
broadcastsByGroup := make(map[string][]*master_pb.LockRingUpdate)
lrm := NewLockRingManager(func(resp *master_pb.KeepConnectedResponse) {
mu.Lock()
if resp.LockRingUpdate != nil {
broadcastsByGroup[resp.LockRingUpdate.FilerGroup] = append(
broadcastsByGroup[resp.LockRingUpdate.FilerGroup], resp.LockRingUpdate)
}
mu.Unlock()
})
lrm.stabilizeDelay = 50 * time.Millisecond
lrm.AddServer("group1", "filer1:8888")
lrm.AddServer("group2", "filer2:8888")
time.Sleep(100 * time.Millisecond)
mu.Lock()
assert.Equal(t, 1, len(broadcastsByGroup["group1"]))
assert.Equal(t, 1, len(broadcastsByGroup["group2"]))
assert.Equal(t, []string{"filer1:8888"}, broadcastsByGroup["group1"][0].Servers)
assert.Equal(t, []string{"filer2:8888"}, broadcastsByGroup["group2"][0].Servers)
mu.Unlock()
}
func TestLockRingManager_GetServers(t *testing.T) {
lrm := NewLockRingManager(nil)
group := FilerGroupName("default")
lrm.AddServer(group, "filer1:8888")
lrm.AddServer(group, "filer2:8888")
servers := lrm.GetServers(group)
assert.Equal(t, 2, len(servers))
// Contains both
serverSet := make(map[string]bool)
for _, s := range servers {
serverSet[s] = true
}
assert.True(t, serverSet["filer1:8888"])
assert.True(t, serverSet["filer2:8888"])
// Remove one
lrm.RemoveServer(group, "filer1:8888")
servers = lrm.GetServers(group)
assert.Equal(t, 1, len(servers))
assert.Equal(t, "filer2:8888", servers[0])
}
func TestLockRingManager_NoBroadcastWithoutFn(t *testing.T) {
// No panic when broadcastFn is nil
lrm := NewLockRingManager(nil)
lrm.stabilizeDelay = 10 * time.Millisecond
lrm.AddServer("default", pb.ServerAddress("filer1:8888"))
time.Sleep(50 * time.Millisecond) // should not panic
}
func TestLockRingManager_GetLastUpdateReturnsBroadcastState(t *testing.T) {
lrm := NewLockRingManager(nil)
group := FilerGroupName("default")
lrm.AddServer(group, "filer1:8888")
lrm.AddServer(group, "filer2:8888")
lrm.FlushPending(group)
update := lrm.GetLastUpdate(group)
require.NotNil(t, update)
assert.Equal(t, "default", update.FilerGroup)
assert.ElementsMatch(t, []string{"filer1:8888", "filer2:8888"}, update.Servers)
assert.Greater(t, update.Version, int64(0))
}