seaweedfs/weed/shell/command_s3_bucket_quota.go

98 lines
2.3 KiB
Go

package shell
import (
"context"
"flag"
"fmt"
"io"
"github.com/seaweedfs/seaweedfs/weed/pb/filer_pb"
)
func init() {
Commands = append(Commands, &commandS3BucketQuota{})
}
type commandS3BucketQuota struct {
}
func (c *commandS3BucketQuota) Name() string {
return "s3.bucket.quota"
}
func (c *commandS3BucketQuota) Help() string {
return `set/remove/enable/disable quota for a bucket
Example:
s3.bucket.quota -name=<bucket_name> -op=set -sizeMB=1024
`
}
func (c *commandS3BucketQuota) Do(args []string, commandEnv *CommandEnv, writer io.Writer) (err error) {
bucketCommand := flag.NewFlagSet(c.Name(), flag.ContinueOnError)
bucketName := bucketCommand.String("name", "", "bucket name")
operationName := bucketCommand.String("op", "set", "operation name [set|get|remove|enable|disable]")
sizeMB := bucketCommand.Int64("sizeMB", 0, "bucket quota size in MiB")
if err = bucketCommand.Parse(args); err != nil {
return nil
}
if *bucketName == "" {
return fmt.Errorf("empty bucket name")
}
err = commandEnv.WithFilerClient(false, func(client filer_pb.SeaweedFilerClient) error {
ctx := context.Background()
resp, err := client.GetFilerConfiguration(ctx, &filer_pb.GetFilerConfigurationRequest{})
if err != nil {
return fmt.Errorf("get filer configuration: %v", err)
}
filerBucketsPath := resp.DirBuckets
lookupResp, err := client.LookupDirectoryEntry(ctx, &filer_pb.LookupDirectoryEntryRequest{
Directory: filerBucketsPath,
Name: *bucketName,
})
if err != nil {
return fmt.Errorf("did not find bucket %s: %v", *bucketName, err)
}
bucketEntry := lookupResp.Entry
switch *operationName {
case "set":
bucketEntry.Quota = *sizeMB * 1024 * 1024
case "get":
fmt.Fprintf(writer, "bucket quota: %dMiB \n", bucketEntry.Quota/1024/1024)
return nil
case "remove":
bucketEntry.Quota = 0
case "enable":
if bucketEntry.Quota < 0 {
bucketEntry.Quota = -bucketEntry.Quota
}
case "disable":
if bucketEntry.Quota > 0 {
bucketEntry.Quota = -bucketEntry.Quota
}
}
if err := filer_pb.UpdateEntry(client, &filer_pb.UpdateEntryRequest{
Directory: filerBucketsPath,
Entry: bucketEntry,
}); err != nil {
return err
}
println("updated quota for bucket", *bucketName)
return nil
})
return err
}