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package dash
import (
"context"
"fmt"
"net/http"
"os"
"strings"
"time"
"github.com/gin-gonic/gin"
"github.com/seaweedfs/seaweedfs/weed/pb/filer_pb"
)
// S3 Bucket management data structures for templates
type S3BucketsData struct {
Username string `json:"username"`
Buckets []S3Bucket `json:"buckets"`
TotalBuckets int `json:"total_buckets"`
TotalSize int64 `json:"total_size"`
LastUpdated time.Time `json:"last_updated"`
}
type CreateBucketRequest struct {
Name string `json:"name" binding:"required"`
Region string `json:"region"`
QuotaSize int64 `json:"quota_size"` // Quota size in bytes
QuotaUnit string `json:"quota_unit"` // Unit: MB, GB, TB
QuotaEnabled bool `json:"quota_enabled"` // Whether quota is enabled
VersioningEnabled bool `json:"versioning_enabled"` // Whether versioning is enabled
ObjectLockEnabled bool `json:"object_lock_enabled"` // Whether object lock is enabled
ObjectLockMode string `json:"object_lock_mode"` // Object lock mode: "GOVERNANCE" or "COMPLIANCE"
ObjectLockDuration int32 `json:"object_lock_duration"` // Default retention duration in days
}
// S3 Bucket Management Handlers
// ShowS3Buckets displays the Object Store buckets management page
func (s *AdminServer) ShowS3Buckets(c *gin.Context) {
username := c.GetString("username")
buckets, err := s.GetS3Buckets()
if err != nil {
c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to get Object Store buckets: " + err.Error()})
return
}
// Calculate totals
var totalSize int64
for _, bucket := range buckets {
totalSize += bucket.Size
}
data := S3BucketsData{
Username: username,
Buckets: buckets,
TotalBuckets: len(buckets),
TotalSize: totalSize,
LastUpdated: time.Now(),
}
c.JSON(http.StatusOK, data)
}
// ShowBucketDetails displays detailed information about a specific bucket
func (s *AdminServer) ShowBucketDetails(c *gin.Context) {
bucketName := c.Param("bucket")
if bucketName == "" {
c.JSON(http.StatusBadRequest, gin.H{"error": "Bucket name is required"})
return
}
details, err := s.GetBucketDetails(bucketName)
if err != nil {
c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to get bucket details: " + err.Error()})
return
}
c.JSON(http.StatusOK, details)
}
// CreateBucket creates a new S3 bucket
func (s *AdminServer) CreateBucket(c *gin.Context) {
var req CreateBucketRequest
if err := c.ShouldBindJSON(&req); err != nil {
c.JSON(http.StatusBadRequest, gin.H{"error": "Invalid request: " + err.Error()})
return
}
// Validate bucket name (basic validation)
if len(req.Name) < 3 || len(req.Name) > 63 {
c.JSON(http.StatusBadRequest, gin.H{"error": "Bucket name must be between 3 and 63 characters"})
return
}
// Validate object lock settings
if req.ObjectLockEnabled {
// Object lock requires versioning to be enabled
req.VersioningEnabled = true
// Validate object lock mode
if req.ObjectLockMode != "GOVERNANCE" && req.ObjectLockMode != "COMPLIANCE" {
c.JSON(http.StatusBadRequest, gin.H{"error": "Object lock mode must be either GOVERNANCE or COMPLIANCE"})
return
}
// Validate retention duration
if req.ObjectLockDuration <= 0 {
c.JSON(http.StatusBadRequest, gin.H{"error": "Object lock duration must be greater than 0 days"})
return
}
}
// Convert quota to bytes
quotaBytes := convertQuotaToBytes(req.QuotaSize, req.QuotaUnit)
err := s.CreateS3BucketWithObjectLock(req.Name, quotaBytes, req.QuotaEnabled, req.VersioningEnabled, req.ObjectLockEnabled, req.ObjectLockMode, req.ObjectLockDuration)
if err != nil {
c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to create bucket: " + err.Error()})
return
}
c.JSON(http.StatusCreated, gin.H{
"message": "Bucket created successfully",
"bucket": req.Name,
"quota_size": req.QuotaSize,
"quota_unit": req.QuotaUnit,
"quota_enabled": req.QuotaEnabled,
"versioning_enabled": req.VersioningEnabled,
"object_lock_enabled": req.ObjectLockEnabled,
"object_lock_mode": req.ObjectLockMode,
"object_lock_duration": req.ObjectLockDuration,
})
}
// UpdateBucketQuota updates the quota settings for a bucket
func (s *AdminServer) UpdateBucketQuota(c *gin.Context) {
bucketName := c.Param("bucket")
if bucketName == "" {
c.JSON(http.StatusBadRequest, gin.H{"error": "Bucket name is required"})
return
}
var req struct {
QuotaSize int64 `json:"quota_size"`
QuotaUnit string `json:"quota_unit"`
QuotaEnabled bool `json:"quota_enabled"`
}
if err := c.ShouldBindJSON(&req); err != nil {
c.JSON(http.StatusBadRequest, gin.H{"error": "Invalid request: " + err.Error()})
return
}
// Convert quota to bytes
quotaBytes := convertQuotaToBytes(req.QuotaSize, req.QuotaUnit)
err := s.SetBucketQuota(bucketName, quotaBytes, req.QuotaEnabled)
if err != nil {
c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to update bucket quota: " + err.Error()})
return
}
c.JSON(http.StatusOK, gin.H{
"message": "Bucket quota updated successfully",
"bucket": bucketName,
"quota_size": req.QuotaSize,
"quota_unit": req.QuotaUnit,
"quota_enabled": req.QuotaEnabled,
})
}
// DeleteBucket deletes an S3 bucket
func (s *AdminServer) DeleteBucket(c *gin.Context) {
bucketName := c.Param("bucket")
if bucketName == "" {
c.JSON(http.StatusBadRequest, gin.H{"error": "Bucket name is required"})
return
}
err := s.DeleteS3Bucket(bucketName)
if err != nil {
c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to delete bucket: " + err.Error()})
return
}
c.JSON(http.StatusOK, gin.H{
"message": "Bucket deleted successfully",
"bucket": bucketName,
})
}
// ListBucketsAPI returns the list of buckets as JSON
func (s *AdminServer) ListBucketsAPI(c *gin.Context) {
buckets, err := s.GetS3Buckets()
if err != nil {
c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to get buckets: " + err.Error()})
return
}
c.JSON(http.StatusOK, gin.H{
"buckets": buckets,
"total": len(buckets),
})
}
// Helper function to convert quota size and unit to bytes
func convertQuotaToBytes(size int64, unit string) int64 {
if size <= 0 {
return 0
}
switch strings.ToUpper(unit) {
case "TB":
return size * 1024 * 1024 * 1024 * 1024
case "GB":
return size * 1024 * 1024 * 1024
case "MB":
return size * 1024 * 1024
default:
// Default to MB if unit is not recognized
return size * 1024 * 1024
}
}
// Helper function to convert bytes to appropriate unit and size
func convertBytesToQuota(bytes int64) (int64, string) {
if bytes == 0 {
return 0, "MB"
}
// Convert to TB if >= 1TB
if bytes >= 1024*1024*1024*1024 && bytes%(1024*1024*1024*1024) == 0 {
return bytes / (1024 * 1024 * 1024 * 1024), "TB"
}
// Convert to GB if >= 1GB
if bytes >= 1024*1024*1024 && bytes%(1024*1024*1024) == 0 {
return bytes / (1024 * 1024 * 1024), "GB"
}
// Convert to MB (default)
return bytes / (1024 * 1024), "MB"
}
// SetBucketQuota sets the quota for a bucket
func (s *AdminServer) SetBucketQuota(bucketName string, quotaBytes int64, quotaEnabled bool) error {
return s.WithFilerClient(func(client filer_pb.SeaweedFilerClient) error {
// Get the current bucket entry
lookupResp, err := client.LookupDirectoryEntry(context.Background(), &filer_pb.LookupDirectoryEntryRequest{
Directory: "/buckets",
Name: bucketName,
})
if err != nil {
return fmt.Errorf("bucket not found: %v", err)
}
bucketEntry := lookupResp.Entry
// Determine quota value (negative if disabled)
var quota int64
if quotaEnabled && quotaBytes > 0 {
quota = quotaBytes
} else if !quotaEnabled && quotaBytes > 0 {
quota = -quotaBytes
} else {
quota = 0
}
// Update the quota
bucketEntry.Quota = quota
// Update the entry
_, err = client.UpdateEntry(context.Background(), &filer_pb.UpdateEntryRequest{
Directory: "/buckets",
Entry: bucketEntry,
})
if err != nil {
return fmt.Errorf("failed to update bucket quota: %v", err)
}
return nil
})
}
// CreateS3BucketWithQuota creates a new S3 bucket with quota settings
func (s *AdminServer) CreateS3BucketWithQuota(bucketName string, quotaBytes int64, quotaEnabled bool) error {
return s.CreateS3BucketWithObjectLock(bucketName, quotaBytes, quotaEnabled, false, false, "", 0)
}
// CreateS3BucketWithObjectLock creates a new S3 bucket with quota, versioning, and object lock settings
func (s *AdminServer) CreateS3BucketWithObjectLock(bucketName string, quotaBytes int64, quotaEnabled, versioningEnabled, objectLockEnabled bool, objectLockMode string, objectLockDuration int32) error {
return s.WithFilerClient(func(client filer_pb.SeaweedFilerClient) error {
// First ensure /buckets directory exists
_, err := client.CreateEntry(context.Background(), &filer_pb.CreateEntryRequest{
Directory: "/",
Entry: &filer_pb.Entry{
Name: "buckets",
IsDirectory: true,
Attributes: &filer_pb.FuseAttributes{
FileMode: uint32(0755 | os.ModeDir), // Directory mode
Uid: uint32(1000),
Gid: uint32(1000),
Crtime: time.Now().Unix(),
Mtime: time.Now().Unix(),
TtlSec: 0,
},
},
})
// Ignore error if directory already exists
if err != nil && !strings.Contains(err.Error(), "already exists") && !strings.Contains(err.Error(), "existing entry") {
return fmt.Errorf("failed to create /buckets directory: %v", err)
}
// Check if bucket already exists
_, err = client.LookupDirectoryEntry(context.Background(), &filer_pb.LookupDirectoryEntryRequest{
Directory: "/buckets",
Name: bucketName,
})
if err == nil {
return fmt.Errorf("bucket %s already exists", bucketName)
}
// Determine quota value (negative if disabled)
var quota int64
if quotaEnabled && quotaBytes > 0 {
quota = quotaBytes
} else if !quotaEnabled && quotaBytes > 0 {
quota = -quotaBytes
} else {
quota = 0
}
// Prepare bucket attributes with versioning and object lock metadata
attributes := &filer_pb.FuseAttributes{
FileMode: uint32(0755 | os.ModeDir), // Directory mode
Uid: filer_pb.OS_UID,
Gid: filer_pb.OS_GID,
Crtime: time.Now().Unix(),
Mtime: time.Now().Unix(),
TtlSec: 0,
}
// Create extended attributes map for versioning and object lock
extended := make(map[string][]byte)
if versioningEnabled {
extended["s3.versioning"] = []byte("Enabled")
} else {
extended["s3.versioning"] = []byte("Suspended")
}
if objectLockEnabled {
extended["s3.objectlock"] = []byte("Enabled")
extended["s3.objectlock.mode"] = []byte(objectLockMode)
extended["s3.objectlock.duration"] = []byte(fmt.Sprintf("%d", objectLockDuration))
} else {
extended["s3.objectlock"] = []byte("Disabled")
}
// Create bucket directory under /buckets
_, err = client.CreateEntry(context.Background(), &filer_pb.CreateEntryRequest{
Directory: "/buckets",
Entry: &filer_pb.Entry{
Name: bucketName,
IsDirectory: true,
Attributes: attributes,
Extended: extended,
Quota: quota,
},
})
if err != nil {
return fmt.Errorf("failed to create bucket directory: %v", err)
}
return nil
})
}