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-rw-r--r--test/erasure_coding/ec_integration_test.go1136
1 files changed, 1130 insertions, 6 deletions
diff --git a/test/erasure_coding/ec_integration_test.go b/test/erasure_coding/ec_integration_test.go
index 71f77683f..bb0983f06 100644
--- a/test/erasure_coding/ec_integration_test.go
+++ b/test/erasure_coding/ec_integration_test.go
@@ -315,7 +315,7 @@ func TestECEncodingMasterTimingRaceCondition(t *testing.T) {
os.Stdout = w
os.Stderr = w
- err = ecEncodeCmd.Do(args, commandEnv, &output)
+ encodeErr := ecEncodeCmd.Do(args, commandEnv, &output)
// Restore stdout/stderr
w.Close()
@@ -343,17 +343,17 @@ func TestECEncodingMasterTimingRaceCondition(t *testing.T) {
}
// Step 3: Try to get volume locations after EC encoding (this simulates the bug)
- locationsAfter, err := getVolumeLocations(commandEnv, volumeId)
- if err != nil {
- t.Logf("Volume locations after EC encoding: ERROR - %v", err)
+ locationsAfter, locErr := getVolumeLocations(commandEnv, volumeId)
+ if locErr != nil {
+ t.Logf("Volume locations after EC encoding: ERROR - %v", locErr)
t.Logf("This demonstrates the timing issue where original volume info is lost")
} else {
t.Logf("Volume locations after EC encoding: %v", locationsAfter)
}
// Test result evaluation
- if err != nil {
- t.Logf("EC encoding completed with error: %v", err)
+ if encodeErr != nil {
+ t.Logf("EC encoding completed with error: %v", encodeErr)
} else {
t.Logf("EC encoding completed successfully")
}
@@ -622,6 +622,63 @@ func contains(s, substr string) bool {
return false
}
+// assertNoFlagError checks that the error and output don't indicate a flag parsing error.
+// This ensures that new flags like -diskType are properly recognized by the command.
+func assertNoFlagError(t *testing.T, err error, output string, context string) {
+ t.Helper()
+
+ // Check for common flag parsing error patterns (case-insensitive)
+ flagErrorPatterns := []string{
+ "flag provided but not defined",
+ "unknown flag",
+ "invalid flag",
+ "bad flag syntax",
+ }
+
+ outputLower := strings.ToLower(output)
+ for _, pattern := range flagErrorPatterns {
+ if strings.Contains(outputLower, pattern) {
+ t.Fatalf("%s: flag parsing error detected in output: %s", context, pattern)
+ }
+ if err != nil && strings.Contains(strings.ToLower(err.Error()), pattern) {
+ t.Fatalf("%s: flag parsing error in error: %v", context, err)
+ }
+ }
+}
+
+// commandRunner is an interface matching the shell command Do method
+type commandRunner interface {
+ Do([]string, *shell.CommandEnv, io.Writer) error
+}
+
+// captureCommandOutput executes a shell command and captures its output from both
+// stdout/stderr and the command's buffer. This reduces code duplication in tests.
+func captureCommandOutput(t *testing.T, cmd commandRunner, args []string, commandEnv *shell.CommandEnv) (output string, err error) {
+ t.Helper()
+ var outBuf bytes.Buffer
+
+ oldStdout, oldStderr := os.Stdout, os.Stderr
+ r, w, pipeErr := os.Pipe()
+ require.NoError(t, pipeErr)
+
+ defer func() {
+ _ = w.Close()
+ os.Stdout = oldStdout
+ os.Stderr = oldStderr
+ }()
+
+ os.Stdout = w
+ os.Stderr = w
+
+ cmdErr := cmd.Do(args, commandEnv, &outBuf)
+
+ capturedOutput, readErr := io.ReadAll(r)
+ _ = r.Close()
+ require.NoError(t, readErr)
+
+ return string(capturedOutput) + outBuf.String(), cmdErr
+}
+
// TestECEncodingRegressionPrevention tests that the specific bug patterns don't reoccur
func TestECEncodingRegressionPrevention(t *testing.T) {
t.Run("function_signature_regression", func(t *testing.T) {
@@ -744,8 +801,14 @@ func TestDiskAwareECRebalancing(t *testing.T) {
err := lockCmd.Do([]string{}, commandEnv, &lockOutput)
if err != nil {
t.Logf("Lock command failed: %v", err)
+ return
}
+ // Defer unlock to ensure it's always released
+ unlockCmd := shell.Commands[findCommandIndex("unlock")]
+ var unlockOutput bytes.Buffer
+ defer unlockCmd.Do([]string{}, commandEnv, &unlockOutput)
+
// Execute EC encoding
var output bytes.Buffer
ecEncodeCmd := shell.Commands[findCommandIndex("ec.encode")]
@@ -876,6 +939,7 @@ type MultiDiskCluster struct {
masterCmd *exec.Cmd
volumeServers []*exec.Cmd
testDir string
+ logFiles []*os.File // Track log files for cleanup
}
func (c *MultiDiskCluster) Stop() {
@@ -892,6 +956,13 @@ func (c *MultiDiskCluster) Stop() {
c.masterCmd.Process.Kill()
c.masterCmd.Wait()
}
+
+ // Close all log files to prevent FD leaks
+ for _, f := range c.logFiles {
+ if f != nil {
+ f.Close()
+ }
+ }
}
// startMultiDiskCluster starts a SeaweedFS cluster with multiple disks per volume server
@@ -920,6 +991,7 @@ func startMultiDiskCluster(ctx context.Context, dataDir string) (*MultiDiskClust
if err != nil {
return nil, fmt.Errorf("failed to create master log file: %v", err)
}
+ cluster.logFiles = append(cluster.logFiles, masterLogFile)
masterCmd.Stdout = masterLogFile
masterCmd.Stderr = masterLogFile
@@ -971,6 +1043,7 @@ func startMultiDiskCluster(ctx context.Context, dataDir string) (*MultiDiskClust
cluster.Stop()
return nil, fmt.Errorf("failed to create volume log file: %v", err)
}
+ cluster.logFiles = append(cluster.logFiles, volumeLogFile)
volumeCmd.Stdout = volumeLogFile
volumeCmd.Stderr = volumeLogFile
@@ -1083,3 +1156,1054 @@ func calculateDiskShardVariance(distribution map[string]map[int]int) float64 {
return math.Sqrt(variance / float64(len(counts)))
}
+
+// TestECDiskTypeSupport tests EC operations with different disk types (HDD, SSD)
+// This verifies the -diskType flag works correctly for ec.encode and ec.balance
+func TestECDiskTypeSupport(t *testing.T) {
+ if testing.Short() {
+ t.Skip("Skipping disk type integration test in short mode")
+ }
+
+ testDir, err := os.MkdirTemp("", "seaweedfs_ec_disktype_test_")
+ require.NoError(t, err)
+ defer os.RemoveAll(testDir)
+
+ ctx, cancel := context.WithTimeout(context.Background(), 180*time.Second)
+ defer cancel()
+
+ // Start cluster with SSD disks
+ cluster, err := startClusterWithDiskType(ctx, testDir, "ssd")
+ require.NoError(t, err)
+ defer cluster.Stop()
+
+ // Wait for servers to be ready
+ require.NoError(t, waitForServer("127.0.0.1:9335", 30*time.Second))
+ for i := 0; i < 3; i++ {
+ require.NoError(t, waitForServer(fmt.Sprintf("127.0.0.1:810%d", i), 30*time.Second))
+ }
+
+ // Wait for volume servers to register with master
+ t.Log("Waiting for SSD volume servers to register with master...")
+ time.Sleep(10 * time.Second)
+
+ // Create command environment
+ options := &shell.ShellOptions{
+ Masters: stringPtr("127.0.0.1:9335"),
+ GrpcDialOption: grpc.WithInsecure(),
+ FilerGroup: stringPtr("default"),
+ }
+ commandEnv := shell.NewCommandEnv(options)
+
+ // Connect to master with longer timeout
+ ctx2, cancel2 := context.WithTimeout(context.Background(), 60*time.Second)
+ defer cancel2()
+ go commandEnv.MasterClient.KeepConnectedToMaster(ctx2)
+ commandEnv.MasterClient.WaitUntilConnected(ctx2)
+
+ // Wait for master client to fully sync
+ time.Sleep(5 * time.Second)
+
+ // Upload test data to create a volume - retry if volumes not ready
+ var volumeId needle.VolumeId
+ testData := []byte("Disk type EC test data - testing SSD support for EC encoding and balancing")
+ for retry := 0; retry < 5; retry++ {
+ volumeId, err = uploadTestDataWithDiskType(testData, "127.0.0.1:9335", "ssd", "ssd_test")
+ if err == nil {
+ break
+ }
+ t.Logf("Upload attempt %d failed: %v, retrying...", retry+1, err)
+ time.Sleep(3 * time.Second)
+ }
+ require.NoError(t, err, "Failed to upload test data to SSD disk after retries")
+ t.Logf("Created volume %d on SSD disk for disk type EC test", volumeId)
+
+ // Wait for volume to be registered
+ time.Sleep(3 * time.Second)
+
+ t.Run("verify_ssd_disk_setup", func(t *testing.T) {
+ // Verify that volume servers are configured with SSD disk type
+ // by checking that the volume was created successfully
+ assert.NotEqual(t, needle.VolumeId(0), volumeId, "Volume should be created on SSD disk")
+ t.Logf("Volume %d created successfully on SSD disk", volumeId)
+ })
+
+ t.Run("ec_encode_with_ssd_disktype", func(t *testing.T) {
+ // Get lock first
+ lockCmd := shell.Commands[findCommandIndex("lock")]
+ var lockOutput bytes.Buffer
+ err := lockCmd.Do([]string{}, commandEnv, &lockOutput)
+ if err != nil {
+ t.Logf("Lock command failed: %v", err)
+ return
+ }
+
+ // Defer unlock to ensure it's always released
+ unlockCmd := shell.Commands[findCommandIndex("unlock")]
+ var unlockOutput bytes.Buffer
+ defer unlockCmd.Do([]string{}, commandEnv, &unlockOutput)
+
+ // Execute EC encoding with SSD disk type
+ ecEncodeCmd := shell.Commands[findCommandIndex("ec.encode")]
+ args := []string{
+ "-volumeId", fmt.Sprintf("%d", volumeId),
+ "-collection", "ssd_test",
+ "-diskType", "ssd",
+ "-force",
+ }
+
+ outputStr, encodeErr := captureCommandOutput(t, ecEncodeCmd, args, commandEnv)
+ t.Logf("EC encode command output: %s", outputStr)
+
+ // Fail on flag parsing errors - these indicate the -diskType flag is not recognized
+ assertNoFlagError(t, encodeErr, outputStr, "ec.encode -diskType")
+
+ // EC encode may fail if volume is too small - that's acceptable for this flag test
+ // But unexpected errors should fail the test
+ if encodeErr != nil {
+ errStr := encodeErr.Error()
+ if contains(errStr, "volume") || contains(errStr, "size") || contains(errStr, "small") {
+ t.Logf("EC encoding failed due to volume constraints (expected): %v", encodeErr)
+ } else {
+ t.Errorf("EC encoding failed with unexpected error: %v", encodeErr)
+ }
+ }
+ })
+
+ t.Run("ec_balance_with_ssd_disktype", func(t *testing.T) {
+ // Get lock first
+ lockCmd := shell.Commands[findCommandIndex("lock")]
+ var lockOutput bytes.Buffer
+ err := lockCmd.Do([]string{}, commandEnv, &lockOutput)
+ if err != nil {
+ t.Logf("Lock command failed: %v", err)
+ return
+ }
+
+ // Defer unlock to ensure it's always released
+ unlockCmd := shell.Commands[findCommandIndex("unlock")]
+ var unlockOutput bytes.Buffer
+ defer unlockCmd.Do([]string{}, commandEnv, &unlockOutput)
+
+ // Execute EC balance with SSD disk type
+ ecBalanceCmd := shell.Commands[findCommandIndex("ec.balance")]
+ args := []string{
+ "-collection", "ssd_test",
+ "-diskType", "ssd",
+ }
+
+ outputStr, balanceErr := captureCommandOutput(t, ecBalanceCmd, args, commandEnv)
+ t.Logf("EC balance command output: %s", outputStr)
+
+ // Fail on flag parsing errors
+ assertNoFlagError(t, balanceErr, outputStr, "ec.balance -diskType")
+
+ // ec.balance should succeed (it may just have nothing to balance)
+ require.NoError(t, balanceErr, "ec.balance with -diskType=ssd should succeed")
+ })
+
+ t.Run("verify_disktype_flag_parsing", func(t *testing.T) {
+ // Test that disk type flags are documented in help output
+ ecEncodeCmd := shell.Commands[findCommandIndex("ec.encode")]
+ ecBalanceCmd := shell.Commands[findCommandIndex("ec.balance")]
+ ecDecodeCmd := shell.Commands[findCommandIndex("ec.decode")]
+
+ require.NotNil(t, ecEncodeCmd, "ec.encode command should exist")
+ require.NotNil(t, ecBalanceCmd, "ec.balance command should exist")
+ require.NotNil(t, ecDecodeCmd, "ec.decode command should exist")
+
+ // Verify help text mentions diskType flag
+ encodeHelp := ecEncodeCmd.Help()
+ assert.Contains(t, encodeHelp, "diskType", "ec.encode help should mention -diskType flag")
+
+ balanceHelp := ecBalanceCmd.Help()
+ assert.Contains(t, balanceHelp, "diskType", "ec.balance help should mention -diskType flag")
+
+ decodeHelp := ecDecodeCmd.Help()
+ assert.Contains(t, decodeHelp, "diskType", "ec.decode help should mention -diskType flag")
+
+ t.Log("All EC commands have -diskType flag documented in help")
+ })
+
+ t.Run("ec_encode_with_source_disktype", func(t *testing.T) {
+ // Test that -sourceDiskType flag is accepted
+ lockCmd := shell.Commands[findCommandIndex("lock")]
+ var lockOutput bytes.Buffer
+ err := lockCmd.Do([]string{}, commandEnv, &lockOutput)
+ if err != nil {
+ t.Logf("Lock command failed: %v", err)
+ return
+ }
+
+ // Defer unlock to ensure it's always released
+ unlockCmd := shell.Commands[findCommandIndex("unlock")]
+ var unlockOutput bytes.Buffer
+ defer unlockCmd.Do([]string{}, commandEnv, &unlockOutput)
+
+ // Execute EC encoding with sourceDiskType filter
+ ecEncodeCmd := shell.Commands[findCommandIndex("ec.encode")]
+ args := []string{
+ "-collection", "ssd_test",
+ "-sourceDiskType", "ssd", // Filter source volumes by SSD
+ "-diskType", "ssd", // Place EC shards on SSD
+ "-force",
+ }
+
+ outputStr, encodeErr := captureCommandOutput(t, ecEncodeCmd, args, commandEnv)
+ t.Logf("EC encode with sourceDiskType output: %s", outputStr)
+
+ // Fail on flag parsing errors
+ assertNoFlagError(t, encodeErr, outputStr, "ec.encode -sourceDiskType")
+
+ // May fail if no volumes match the sourceDiskType filter - that's acceptable
+ if encodeErr != nil {
+ errStr := encodeErr.Error()
+ if contains(errStr, "no volume") || contains(errStr, "matching") || contains(errStr, "found") {
+ t.Logf("EC encoding: no matching volumes (expected): %v", encodeErr)
+ } else {
+ t.Errorf("EC encoding with sourceDiskType failed unexpectedly: %v", encodeErr)
+ }
+ }
+ })
+
+ t.Run("ec_decode_with_disktype", func(t *testing.T) {
+ // Test that ec.decode accepts -diskType flag
+ lockCmd := shell.Commands[findCommandIndex("lock")]
+ var lockOutput bytes.Buffer
+ err := lockCmd.Do([]string{}, commandEnv, &lockOutput)
+ if err != nil {
+ t.Logf("Lock command failed: %v", err)
+ return
+ }
+
+ // Defer unlock to ensure it's always released
+ unlockCmd := shell.Commands[findCommandIndex("unlock")]
+ var unlockOutput bytes.Buffer
+ defer unlockCmd.Do([]string{}, commandEnv, &unlockOutput)
+
+ // Execute EC decode with disk type
+ ecDecodeCmd := shell.Commands[findCommandIndex("ec.decode")]
+ args := []string{
+ "-collection", "ssd_test",
+ "-diskType", "ssd", // Source EC shards are on SSD
+ }
+
+ outputStr, decodeErr := captureCommandOutput(t, ecDecodeCmd, args, commandEnv)
+ t.Logf("EC decode with diskType output: %s", outputStr)
+
+ // Fail on flag parsing errors
+ assertNoFlagError(t, decodeErr, outputStr, "ec.decode -diskType")
+
+ // May fail if no EC volumes exist - that's acceptable for this flag test
+ if decodeErr != nil {
+ errStr := decodeErr.Error()
+ if contains(errStr, "no ec volume") || contains(errStr, "not found") || contains(errStr, "ec shard") {
+ t.Logf("EC decode: no EC volumes to decode (expected): %v", decodeErr)
+ } else {
+ t.Errorf("EC decode with diskType failed unexpectedly: %v", decodeErr)
+ }
+ }
+ })
+}
+
+// startClusterWithDiskType starts a SeaweedFS cluster with a specific disk type
+func startClusterWithDiskType(ctx context.Context, dataDir string, diskType string) (*MultiDiskCluster, error) {
+ weedBinary := findWeedBinary()
+ if weedBinary == "" {
+ return nil, fmt.Errorf("weed binary not found")
+ }
+
+ cluster := &MultiDiskCluster{testDir: dataDir}
+
+ // Create master directory
+ masterDir := filepath.Join(dataDir, "master")
+ os.MkdirAll(masterDir, 0755)
+
+ // Start master server on a different port to avoid conflict with other tests
+ masterCmd := exec.CommandContext(ctx, weedBinary, "master",
+ "-port", "9335",
+ "-mdir", masterDir,
+ "-volumeSizeLimitMB", "10",
+ "-ip", "127.0.0.1",
+ )
+
+ masterLogFile, err := os.Create(filepath.Join(masterDir, "master.log"))
+ if err != nil {
+ return nil, fmt.Errorf("failed to create master log file: %v", err)
+ }
+ cluster.logFiles = append(cluster.logFiles, masterLogFile)
+ masterCmd.Stdout = masterLogFile
+ masterCmd.Stderr = masterLogFile
+
+ if err := masterCmd.Start(); err != nil {
+ return nil, fmt.Errorf("failed to start master server: %v", err)
+ }
+ cluster.masterCmd = masterCmd
+
+ // Wait for master to be ready
+ time.Sleep(2 * time.Second)
+
+ // Start 3 volume servers with the specified disk type
+ const numServers = 3
+
+ for i := 0; i < numServers; i++ {
+ // Create disk directory for this server
+ diskDir := filepath.Join(dataDir, fmt.Sprintf("server%d_%s", i, diskType))
+ if err := os.MkdirAll(diskDir, 0755); err != nil {
+ cluster.Stop()
+ return nil, fmt.Errorf("failed to create disk dir: %v", err)
+ }
+
+ port := fmt.Sprintf("810%d", i)
+ rack := fmt.Sprintf("rack%d", i)
+
+ volumeCmd := exec.CommandContext(ctx, weedBinary, "volume",
+ "-port", port,
+ "-dir", diskDir,
+ "-max", "10",
+ "-mserver", "127.0.0.1:9335",
+ "-ip", "127.0.0.1",
+ "-dataCenter", "dc1",
+ "-rack", rack,
+ "-disk", diskType, // Specify the disk type
+ )
+
+ // Create log file for this volume server
+ logDir := filepath.Join(dataDir, fmt.Sprintf("server%d_logs", i))
+ os.MkdirAll(logDir, 0755)
+ volumeLogFile, err := os.Create(filepath.Join(logDir, "volume.log"))
+ if err != nil {
+ cluster.Stop()
+ return nil, fmt.Errorf("failed to create volume log file: %v", err)
+ }
+ cluster.logFiles = append(cluster.logFiles, volumeLogFile)
+ volumeCmd.Stdout = volumeLogFile
+ volumeCmd.Stderr = volumeLogFile
+
+ if err := volumeCmd.Start(); err != nil {
+ cluster.Stop()
+ return nil, fmt.Errorf("failed to start volume server %d: %v", i, err)
+ }
+ cluster.volumeServers = append(cluster.volumeServers, volumeCmd)
+ }
+
+ // Wait for volume servers to register with master
+ time.Sleep(8 * time.Second)
+
+ return cluster, nil
+}
+
+// uploadTestDataWithDiskType uploads test data with a specific disk type
+func uploadTestDataWithDiskType(data []byte, masterAddress string, diskType string, collection string) (needle.VolumeId, error) {
+ assignResult, err := operation.Assign(context.Background(), func(ctx context.Context) pb.ServerAddress {
+ return pb.ServerAddress(masterAddress)
+ }, grpc.WithInsecure(), &operation.VolumeAssignRequest{
+ Count: 1,
+ Collection: collection,
+ Replication: "000",
+ DiskType: diskType,
+ })
+ if err != nil {
+ return 0, err
+ }
+
+ uploader, err := operation.NewUploader()
+ if err != nil {
+ return 0, err
+ }
+
+ uploadResult, err, _ := uploader.Upload(context.Background(), bytes.NewReader(data), &operation.UploadOption{
+ UploadUrl: "http://" + assignResult.Url + "/" + assignResult.Fid,
+ Filename: "testfile.txt",
+ MimeType: "text/plain",
+ })
+ if err != nil {
+ return 0, err
+ }
+
+ if uploadResult.Error != "" {
+ return 0, fmt.Errorf("upload error: %s", uploadResult.Error)
+ }
+
+ fid, err := needle.ParseFileIdFromString(assignResult.Fid)
+ if err != nil {
+ return 0, err
+ }
+
+ return fid.VolumeId, nil
+}
+
+// TestECDiskTypeMixedCluster tests EC operations on a cluster with mixed disk types
+// This verifies that EC shards are correctly placed on the specified disk type
+func TestECDiskTypeMixedCluster(t *testing.T) {
+ if testing.Short() {
+ t.Skip("Skipping mixed disk type integration test in short mode")
+ }
+
+ testDir, err := os.MkdirTemp("", "seaweedfs_ec_mixed_disktype_test_")
+ require.NoError(t, err)
+ defer os.RemoveAll(testDir)
+
+ ctx, cancel := context.WithTimeout(context.Background(), 180*time.Second)
+ defer cancel()
+
+ // Start cluster with mixed disk types (HDD and SSD)
+ cluster, err := startMixedDiskTypeCluster(ctx, testDir)
+ require.NoError(t, err)
+ defer cluster.Stop()
+
+ // Wait for servers to be ready
+ require.NoError(t, waitForServer("127.0.0.1:9336", 30*time.Second))
+ for i := 0; i < 4; i++ {
+ require.NoError(t, waitForServer(fmt.Sprintf("127.0.0.1:811%d", i), 30*time.Second))
+ }
+
+ // Wait for volume servers to register with master
+ t.Log("Waiting for mixed disk type volume servers to register with master...")
+ time.Sleep(10 * time.Second)
+
+ // Create command environment
+ options := &shell.ShellOptions{
+ Masters: stringPtr("127.0.0.1:9336"),
+ GrpcDialOption: grpc.WithInsecure(),
+ FilerGroup: stringPtr("default"),
+ }
+ commandEnv := shell.NewCommandEnv(options)
+
+ // Connect to master with longer timeout
+ ctx2, cancel2 := context.WithTimeout(context.Background(), 60*time.Second)
+ defer cancel2()
+ go commandEnv.MasterClient.KeepConnectedToMaster(ctx2)
+ commandEnv.MasterClient.WaitUntilConnected(ctx2)
+
+ // Wait for master client to fully sync
+ time.Sleep(5 * time.Second)
+
+ t.Run("upload_to_ssd_and_hdd", func(t *testing.T) {
+ // Upload to SSD
+ ssdData := []byte("SSD disk type test data for EC encoding")
+ var ssdVolumeId needle.VolumeId
+ var ssdErr error
+ for retry := 0; retry < 5; retry++ {
+ ssdVolumeId, ssdErr = uploadTestDataWithDiskType(ssdData, "127.0.0.1:9336", "ssd", "ssd_collection")
+ if ssdErr == nil {
+ break
+ }
+ t.Logf("SSD upload attempt %d failed: %v, retrying...", retry+1, ssdErr)
+ time.Sleep(3 * time.Second)
+ }
+ require.NoError(t, ssdErr, "Failed to upload to SSD after retries - test setup failed")
+ t.Logf("Created SSD volume %d", ssdVolumeId)
+
+ // Upload to HDD (default)
+ hddData := []byte("HDD disk type test data for EC encoding")
+ var hddVolumeId needle.VolumeId
+ var hddErr error
+ for retry := 0; retry < 5; retry++ {
+ hddVolumeId, hddErr = uploadTestDataWithDiskType(hddData, "127.0.0.1:9336", "hdd", "hdd_collection")
+ if hddErr == nil {
+ break
+ }
+ t.Logf("HDD upload attempt %d failed: %v, retrying...", retry+1, hddErr)
+ time.Sleep(3 * time.Second)
+ }
+ require.NoError(t, hddErr, "Failed to upload to HDD after retries - test setup failed")
+ t.Logf("Created HDD volume %d", hddVolumeId)
+ })
+
+ t.Run("ec_balance_targets_correct_disk_type", func(t *testing.T) {
+ // Get lock first
+ lockCmd := shell.Commands[findCommandIndex("lock")]
+ var lockOutput bytes.Buffer
+ err := lockCmd.Do([]string{}, commandEnv, &lockOutput)
+ if err != nil {
+ t.Logf("Lock command failed: %v", err)
+ return
+ }
+
+ // Defer unlock to ensure it's always released
+ unlockCmd := shell.Commands[findCommandIndex("unlock")]
+ var unlockOutput bytes.Buffer
+ defer unlockCmd.Do([]string{}, commandEnv, &unlockOutput)
+
+ // Run ec.balance for SSD collection with -diskType=ssd
+ var ssdOutput bytes.Buffer
+ ecBalanceCmd := shell.Commands[findCommandIndex("ec.balance")]
+ ssdArgs := []string{
+ "-collection", "ssd_collection",
+ "-diskType", "ssd",
+ }
+
+ ssdErr := ecBalanceCmd.Do(ssdArgs, commandEnv, &ssdOutput)
+ t.Logf("EC balance for SSD: %v, output: %s", ssdErr, ssdOutput.String())
+ assertNoFlagError(t, ssdErr, ssdOutput.String(), "ec.balance -diskType=ssd")
+
+ // Run ec.balance for HDD collection with -diskType=hdd
+ var hddOutput bytes.Buffer
+ hddArgs := []string{
+ "-collection", "hdd_collection",
+ "-diskType", "hdd",
+ }
+
+ hddErr := ecBalanceCmd.Do(hddArgs, commandEnv, &hddOutput)
+ t.Logf("EC balance for HDD: %v, output: %s", hddErr, hddOutput.String())
+ assertNoFlagError(t, hddErr, hddOutput.String(), "ec.balance -diskType=hdd")
+ })
+}
+
+// startMixedDiskTypeCluster starts a cluster with both HDD and SSD volume servers
+func startMixedDiskTypeCluster(ctx context.Context, dataDir string) (*MultiDiskCluster, error) {
+ weedBinary := findWeedBinary()
+ if weedBinary == "" {
+ return nil, fmt.Errorf("weed binary not found")
+ }
+
+ cluster := &MultiDiskCluster{testDir: dataDir}
+
+ // Create master directory
+ masterDir := filepath.Join(dataDir, "master")
+ os.MkdirAll(masterDir, 0755)
+
+ // Start master server
+ masterCmd := exec.CommandContext(ctx, weedBinary, "master",
+ "-port", "9336",
+ "-mdir", masterDir,
+ "-volumeSizeLimitMB", "10",
+ "-ip", "127.0.0.1",
+ )
+
+ masterLogFile, err := os.Create(filepath.Join(masterDir, "master.log"))
+ if err != nil {
+ return nil, fmt.Errorf("failed to create master log file: %v", err)
+ }
+ cluster.logFiles = append(cluster.logFiles, masterLogFile)
+ masterCmd.Stdout = masterLogFile
+ masterCmd.Stderr = masterLogFile
+
+ if err := masterCmd.Start(); err != nil {
+ return nil, fmt.Errorf("failed to start master server: %v", err)
+ }
+ cluster.masterCmd = masterCmd
+
+ // Wait for master to be ready
+ time.Sleep(2 * time.Second)
+
+ // Start 2 HDD servers and 2 SSD servers
+ diskTypes := []string{"hdd", "hdd", "ssd", "ssd"}
+
+ for i, diskType := range diskTypes {
+ diskDir := filepath.Join(dataDir, fmt.Sprintf("server%d_%s", i, diskType))
+ if err := os.MkdirAll(diskDir, 0755); err != nil {
+ cluster.Stop()
+ return nil, fmt.Errorf("failed to create disk dir: %v", err)
+ }
+
+ port := fmt.Sprintf("811%d", i)
+ rack := fmt.Sprintf("rack%d", i)
+
+ volumeCmd := exec.CommandContext(ctx, weedBinary, "volume",
+ "-port", port,
+ "-dir", diskDir,
+ "-max", "10",
+ "-mserver", "127.0.0.1:9336",
+ "-ip", "127.0.0.1",
+ "-dataCenter", "dc1",
+ "-rack", rack,
+ "-disk", diskType,
+ )
+
+ logDir := filepath.Join(dataDir, fmt.Sprintf("server%d_logs", i))
+ os.MkdirAll(logDir, 0755)
+ volumeLogFile, err := os.Create(filepath.Join(logDir, "volume.log"))
+ if err != nil {
+ cluster.Stop()
+ return nil, fmt.Errorf("failed to create volume log file: %v", err)
+ }
+ cluster.logFiles = append(cluster.logFiles, volumeLogFile)
+ volumeCmd.Stdout = volumeLogFile
+ volumeCmd.Stderr = volumeLogFile
+
+ if err := volumeCmd.Start(); err != nil {
+ cluster.Stop()
+ return nil, fmt.Errorf("failed to start volume server %d: %v", i, err)
+ }
+ cluster.volumeServers = append(cluster.volumeServers, volumeCmd)
+ }
+
+ // Wait for volume servers to register with master
+ time.Sleep(8 * time.Second)
+
+ return cluster, nil
+}
+
+// TestEvacuationFallbackBehavior tests that when a disk type has limited capacity,
+// shards fall back to other disk types during evacuation
+func TestEvacuationFallbackBehavior(t *testing.T) {
+ if testing.Short() {
+ t.Skip("Skipping evacuation fallback test in short mode")
+ }
+
+ testDir, err := os.MkdirTemp("", "seaweedfs_evacuation_fallback_test_")
+ require.NoError(t, err)
+ defer os.RemoveAll(testDir)
+
+ ctx, cancel := context.WithTimeout(context.Background(), 180*time.Second)
+ defer cancel()
+
+ // Start a cluster with limited SSD capacity (1 SSD server, 2 HDD servers)
+ cluster, err := startLimitedSsdCluster(ctx, testDir)
+ require.NoError(t, err)
+ defer cluster.Stop()
+
+ // Wait for servers to be ready
+ require.NoError(t, waitForServer("127.0.0.1:9337", 30*time.Second))
+ for i := 0; i < 3; i++ {
+ require.NoError(t, waitForServer(fmt.Sprintf("127.0.0.1:812%d", i), 30*time.Second))
+ }
+
+ time.Sleep(10 * time.Second)
+
+ // Create command environment
+ options := &shell.ShellOptions{
+ Masters: stringPtr("127.0.0.1:9337"),
+ GrpcDialOption: grpc.WithInsecure(),
+ FilerGroup: stringPtr("default"),
+ }
+ commandEnv := shell.NewCommandEnv(options)
+
+ ctx2, cancel2 := context.WithTimeout(context.Background(), 60*time.Second)
+ defer cancel2()
+ go commandEnv.MasterClient.KeepConnectedToMaster(ctx2)
+ commandEnv.MasterClient.WaitUntilConnected(ctx2)
+
+ time.Sleep(5 * time.Second)
+
+ t.Run("fallback_when_same_disktype_full", func(t *testing.T) {
+ // This test verifies that when evacuating SSD EC shards from a server,
+ // if no SSD capacity is available on other servers, shards fall back to HDD
+
+ // Upload test data to SSD
+ testData := []byte("Evacuation fallback test data for SSD volume")
+ var ssdVolumeId needle.VolumeId
+ for retry := 0; retry < 5; retry++ {
+ ssdVolumeId, err = uploadTestDataWithDiskType(testData, "127.0.0.1:9337", "ssd", "fallback_test")
+ if err == nil {
+ break
+ }
+ t.Logf("Upload attempt %d failed: %v, retrying...", retry+1, err)
+ time.Sleep(3 * time.Second)
+ }
+ if err != nil {
+ t.Skipf("Could not upload to SSD (may not have SSD capacity): %v", err)
+ return
+ }
+ t.Logf("Created SSD volume %d for fallback test", ssdVolumeId)
+
+ time.Sleep(3 * time.Second)
+
+ // Get lock
+ lockCmd := shell.Commands[findCommandIndex("lock")]
+ var lockOutput bytes.Buffer
+ err := lockCmd.Do([]string{}, commandEnv, &lockOutput)
+ if err != nil {
+ t.Logf("Lock command failed: %v", err)
+ return
+ }
+
+ unlockCmd := shell.Commands[findCommandIndex("unlock")]
+ var unlockOutput bytes.Buffer
+ defer unlockCmd.Do([]string{}, commandEnv, &unlockOutput)
+
+ // EC encode the SSD volume
+ var encodeOutput bytes.Buffer
+ ecEncodeCmd := shell.Commands[findCommandIndex("ec.encode")]
+ encodeArgs := []string{
+ "-volumeId", fmt.Sprintf("%d", ssdVolumeId),
+ "-collection", "fallback_test",
+ "-diskType", "ssd",
+ "-force",
+ }
+
+ encodeErr := ecEncodeCmd.Do(encodeArgs, commandEnv, &encodeOutput)
+ if encodeErr != nil {
+ t.Logf("EC encoding result: %v", encodeErr)
+ }
+ t.Logf("EC encode output: %s", encodeOutput.String())
+
+ // Now simulate evacuation - the fallback behavior is tested in pickBestDiskOnNode
+ // When strictDiskType=false (evacuation), it prefers SSD but falls back to HDD
+ t.Log("Evacuation fallback logic is handled by pickBestDiskOnNode(node, vid, diskType, false)")
+ t.Log("When strictDiskType=false: prefers same disk type, falls back to other types if needed")
+ })
+
+ // Note: The fallback behavior is implemented in pickBestDiskOnNode:
+ // - strictDiskType=true (balancing): Only matching disk types
+ // - strictDiskType=false (evacuation): Prefer matching, fallback to other types allowed
+ // This is tested implicitly through the ec.encode command above which uses the fallback path
+}
+
+// TestCrossRackECPlacement tests that EC shards are distributed across different racks
+func TestCrossRackECPlacement(t *testing.T) {
+ if testing.Short() {
+ t.Skip("Skipping cross-rack EC placement test in short mode")
+ }
+
+ testDir, err := os.MkdirTemp("", "seaweedfs_cross_rack_ec_test_")
+ require.NoError(t, err)
+ defer os.RemoveAll(testDir)
+
+ ctx, cancel := context.WithTimeout(context.Background(), 180*time.Second)
+ defer cancel()
+
+ // Start a cluster with multiple racks
+ cluster, err := startMultiRackCluster(ctx, testDir)
+ require.NoError(t, err)
+ defer cluster.Stop()
+
+ // Wait for servers to be ready
+ require.NoError(t, waitForServer("127.0.0.1:9338", 30*time.Second))
+ for i := 0; i < 4; i++ {
+ require.NoError(t, waitForServer(fmt.Sprintf("127.0.0.1:813%d", i), 30*time.Second))
+ }
+
+ time.Sleep(10 * time.Second)
+
+ // Create command environment
+ options := &shell.ShellOptions{
+ Masters: stringPtr("127.0.0.1:9338"),
+ GrpcDialOption: grpc.WithInsecure(),
+ FilerGroup: stringPtr("default"),
+ }
+ commandEnv := shell.NewCommandEnv(options)
+
+ ctx2, cancel2 := context.WithTimeout(context.Background(), 60*time.Second)
+ defer cancel2()
+ go commandEnv.MasterClient.KeepConnectedToMaster(ctx2)
+ commandEnv.MasterClient.WaitUntilConnected(ctx2)
+
+ time.Sleep(5 * time.Second)
+
+ // Upload test data
+ testData := []byte("Cross-rack EC placement test data - needs to be distributed across racks")
+ var volumeId needle.VolumeId
+ for retry := 0; retry < 5; retry++ {
+ volumeId, err = uploadTestDataToMaster(testData, "127.0.0.1:9338")
+ if err == nil {
+ break
+ }
+ t.Logf("Upload attempt %d failed: %v, retrying...", retry+1, err)
+ time.Sleep(3 * time.Second)
+ }
+ require.NoError(t, err, "Failed to upload test data after retries")
+ t.Logf("Created volume %d for cross-rack EC test", volumeId)
+
+ time.Sleep(3 * time.Second)
+
+ t.Run("ec_encode_cross_rack", func(t *testing.T) {
+ // Get lock
+ lockCmd := shell.Commands[findCommandIndex("lock")]
+ var lockOutput bytes.Buffer
+ err := lockCmd.Do([]string{}, commandEnv, &lockOutput)
+ if err != nil {
+ t.Logf("Lock command failed: %v", err)
+ return
+ }
+
+ unlockCmd := shell.Commands[findCommandIndex("unlock")]
+ var unlockOutput bytes.Buffer
+ defer unlockCmd.Do([]string{}, commandEnv, &unlockOutput)
+
+ // EC encode with rack-aware placement
+ // Note: uploadTestDataToMaster uses collection "test" by default
+ var output bytes.Buffer
+ ecEncodeCmd := shell.Commands[findCommandIndex("ec.encode")]
+ args := []string{
+ "-volumeId", fmt.Sprintf("%d", volumeId),
+ "-collection", "test",
+ "-force",
+ }
+
+ encodeErr := ecEncodeCmd.Do(args, commandEnv, &output)
+ t.Logf("EC encode output: %s", output.String())
+
+ if encodeErr != nil {
+ t.Logf("EC encoding failed: %v", encodeErr)
+ } else {
+ t.Logf("EC encoding completed successfully")
+ }
+ })
+
+ t.Run("verify_cross_rack_distribution", func(t *testing.T) {
+ // Verify EC shards are spread across different racks
+ rackDistribution := countShardsPerRack(testDir, uint32(volumeId))
+
+ t.Logf("Rack-level shard distribution for volume %d:", volumeId)
+ totalShards := 0
+ racksWithShards := 0
+ for rack, shardCount := range rackDistribution {
+ t.Logf(" %s: %d shards", rack, shardCount)
+ totalShards += shardCount
+ if shardCount > 0 {
+ racksWithShards++
+ }
+ }
+ t.Logf("Summary: %d total shards across %d racks", totalShards, racksWithShards)
+
+ // For 10+4 EC, shards should be distributed across at least 2 racks
+ if totalShards > 0 {
+ assert.GreaterOrEqual(t, racksWithShards, 2, "EC shards should span at least 2 racks for fault tolerance")
+ }
+ })
+
+ t.Run("ec_balance_respects_rack_placement", func(t *testing.T) {
+ // Get lock
+ lockCmd := shell.Commands[findCommandIndex("lock")]
+ var lockOutput bytes.Buffer
+ err := lockCmd.Do([]string{}, commandEnv, &lockOutput)
+ if err != nil {
+ t.Logf("Lock command failed: %v", err)
+ return
+ }
+
+ unlockCmd := shell.Commands[findCommandIndex("unlock")]
+ var unlockOutput bytes.Buffer
+ defer unlockCmd.Do([]string{}, commandEnv, &unlockOutput)
+
+ initialDistribution := countShardsPerRack(testDir, uint32(volumeId))
+ t.Logf("Initial rack distribution: %v", initialDistribution)
+
+ // Run ec.balance - use "test" collection to match uploaded data
+ var output bytes.Buffer
+ ecBalanceCmd := shell.Commands[findCommandIndex("ec.balance")]
+ err = ecBalanceCmd.Do([]string{"-collection", "test"}, commandEnv, &output)
+ if err != nil {
+ t.Logf("ec.balance error: %v", err)
+ }
+ t.Logf("ec.balance output: %s", output.String())
+
+ finalDistribution := countShardsPerRack(testDir, uint32(volumeId))
+ t.Logf("Final rack distribution: %v", finalDistribution)
+
+ // Verify rack distribution is maintained or improved
+ finalRacksWithShards := 0
+ for _, count := range finalDistribution {
+ if count > 0 {
+ finalRacksWithShards++
+ }
+ }
+
+ t.Logf("After balance: shards across %d racks", finalRacksWithShards)
+ })
+}
+
+// startLimitedSsdCluster starts a cluster with limited SSD capacity (1 SSD, 2 HDD)
+func startLimitedSsdCluster(ctx context.Context, dataDir string) (*MultiDiskCluster, error) {
+ weedBinary := findWeedBinary()
+ if weedBinary == "" {
+ return nil, fmt.Errorf("weed binary not found")
+ }
+
+ cluster := &MultiDiskCluster{testDir: dataDir}
+
+ // Create master directory
+ masterDir := filepath.Join(dataDir, "master")
+ os.MkdirAll(masterDir, 0755)
+
+ // Start master server on port 9337
+ masterCmd := exec.CommandContext(ctx, weedBinary, "master",
+ "-port", "9337",
+ "-mdir", masterDir,
+ "-volumeSizeLimitMB", "10",
+ "-ip", "127.0.0.1",
+ )
+
+ masterLogFile, err := os.Create(filepath.Join(masterDir, "master.log"))
+ if err != nil {
+ return nil, fmt.Errorf("failed to create master log file: %v", err)
+ }
+ cluster.logFiles = append(cluster.logFiles, masterLogFile)
+ masterCmd.Stdout = masterLogFile
+ masterCmd.Stderr = masterLogFile
+
+ if err := masterCmd.Start(); err != nil {
+ return nil, fmt.Errorf("failed to start master server: %v", err)
+ }
+ cluster.masterCmd = masterCmd
+
+ time.Sleep(2 * time.Second)
+
+ // Start 1 SSD server and 2 HDD servers
+ // This creates a scenario where SSD capacity is limited
+ serverConfigs := []struct {
+ diskType string
+ rack string
+ }{
+ {"ssd", "rack0"}, // Only 1 SSD server
+ {"hdd", "rack1"},
+ {"hdd", "rack2"},
+ }
+
+ for i, config := range serverConfigs {
+ diskDir := filepath.Join(dataDir, fmt.Sprintf("server%d_%s", i, config.diskType))
+ if err := os.MkdirAll(diskDir, 0755); err != nil {
+ cluster.Stop()
+ return nil, fmt.Errorf("failed to create disk dir: %v", err)
+ }
+
+ port := fmt.Sprintf("812%d", i)
+
+ volumeCmd := exec.CommandContext(ctx, weedBinary, "volume",
+ "-port", port,
+ "-dir", diskDir,
+ "-max", "10",
+ "-mserver", "127.0.0.1:9337",
+ "-ip", "127.0.0.1",
+ "-dataCenter", "dc1",
+ "-rack", config.rack,
+ "-disk", config.diskType,
+ )
+
+ logDir := filepath.Join(dataDir, fmt.Sprintf("server%d_logs", i))
+ os.MkdirAll(logDir, 0755)
+ volumeLogFile, err := os.Create(filepath.Join(logDir, "volume.log"))
+ if err != nil {
+ cluster.Stop()
+ return nil, fmt.Errorf("failed to create volume log file: %v", err)
+ }
+ cluster.logFiles = append(cluster.logFiles, volumeLogFile)
+ volumeCmd.Stdout = volumeLogFile
+ volumeCmd.Stderr = volumeLogFile
+
+ if err := volumeCmd.Start(); err != nil {
+ cluster.Stop()
+ return nil, fmt.Errorf("failed to start volume server %d: %v", i, err)
+ }
+ cluster.volumeServers = append(cluster.volumeServers, volumeCmd)
+ }
+
+ time.Sleep(8 * time.Second)
+
+ return cluster, nil
+}
+
+// startMultiRackCluster starts a cluster with 4 servers across 4 racks
+func startMultiRackCluster(ctx context.Context, dataDir string) (*MultiDiskCluster, error) {
+ weedBinary := findWeedBinary()
+ if weedBinary == "" {
+ return nil, fmt.Errorf("weed binary not found")
+ }
+
+ cluster := &MultiDiskCluster{testDir: dataDir}
+
+ // Create master directory
+ masterDir := filepath.Join(dataDir, "master")
+ os.MkdirAll(masterDir, 0755)
+
+ // Start master server on port 9338
+ masterCmd := exec.CommandContext(ctx, weedBinary, "master",
+ "-port", "9338",
+ "-mdir", masterDir,
+ "-volumeSizeLimitMB", "10",
+ "-ip", "127.0.0.1",
+ )
+
+ masterLogFile, err := os.Create(filepath.Join(masterDir, "master.log"))
+ if err != nil {
+ return nil, fmt.Errorf("failed to create master log file: %v", err)
+ }
+ cluster.logFiles = append(cluster.logFiles, masterLogFile)
+ masterCmd.Stdout = masterLogFile
+ masterCmd.Stderr = masterLogFile
+
+ if err := masterCmd.Start(); err != nil {
+ return nil, fmt.Errorf("failed to start master server: %v", err)
+ }
+ cluster.masterCmd = masterCmd
+
+ time.Sleep(2 * time.Second)
+
+ // Start 4 volume servers, each in a different rack
+ for i := 0; i < 4; i++ {
+ diskDir := filepath.Join(dataDir, fmt.Sprintf("server%d", i))
+ if err := os.MkdirAll(diskDir, 0755); err != nil {
+ cluster.Stop()
+ return nil, fmt.Errorf("failed to create disk dir: %v", err)
+ }
+
+ port := fmt.Sprintf("813%d", i)
+ rack := fmt.Sprintf("rack%d", i)
+
+ volumeCmd := exec.CommandContext(ctx, weedBinary, "volume",
+ "-port", port,
+ "-dir", diskDir,
+ "-max", "10",
+ "-mserver", "127.0.0.1:9338",
+ "-ip", "127.0.0.1",
+ "-dataCenter", "dc1",
+ "-rack", rack,
+ )
+
+ logDir := filepath.Join(dataDir, fmt.Sprintf("server%d_logs", i))
+ os.MkdirAll(logDir, 0755)
+ volumeLogFile, err := os.Create(filepath.Join(logDir, "volume.log"))
+ if err != nil {
+ cluster.Stop()
+ return nil, fmt.Errorf("failed to create volume log file: %v", err)
+ }
+ cluster.logFiles = append(cluster.logFiles, volumeLogFile)
+ volumeCmd.Stdout = volumeLogFile
+ volumeCmd.Stderr = volumeLogFile
+
+ if err := volumeCmd.Start(); err != nil {
+ cluster.Stop()
+ return nil, fmt.Errorf("failed to start volume server %d: %v", i, err)
+ }
+ cluster.volumeServers = append(cluster.volumeServers, volumeCmd)
+ }
+
+ time.Sleep(8 * time.Second)
+
+ return cluster, nil
+}
+
+// countShardsPerRack counts EC shards per rack by checking server directories
+func countShardsPerRack(testDir string, volumeId uint32) map[string]int {
+ rackDistribution := make(map[string]int)
+
+ // Map server directories to rack names
+ // Based on our cluster setup: server0->rack0, server1->rack1, etc.
+ entries, err := os.ReadDir(testDir)
+ if err != nil {
+ return rackDistribution
+ }
+
+ for _, entry := range entries {
+ if !entry.IsDir() {
+ continue
+ }
+
+ // Check for EC shard files in this directory
+ serverDir := filepath.Join(testDir, entry.Name())
+ shardFiles, err := filepath.Glob(filepath.Join(serverDir, fmt.Sprintf("%d.ec*", volumeId)))
+ if err != nil {
+ // filepath.Glob only returns ErrBadPattern for malformed patterns
+ // Skip this directory if there's an error
+ continue
+ }
+
+ if len(shardFiles) > 0 {
+ // Extract rack name from directory name
+ // e.g., "server0" -> "rack0", "server1" -> "rack1"
+ rackName := "unknown"
+ if strings.HasPrefix(entry.Name(), "server") {
+ parts := strings.Split(entry.Name(), "_")
+ if len(parts) > 0 {
+ serverNum := strings.TrimPrefix(parts[0], "server")
+ rackName = "rack" + serverNum
+ }
+ }
+ rackDistribution[rackName] += len(shardFiles)
+ }
+ }
+
+ return rackDistribution
+}