mirror of
https://github.com/chrislusf/seaweedfs
synced 2024-08-24 18:50:55 +02:00
138 lines
3.7 KiB
Go
138 lines
3.7 KiB
Go
package shell
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import (
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"bytes"
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"flag"
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"fmt"
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"github.com/seaweedfs/seaweedfs/weed/filer"
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"github.com/seaweedfs/seaweedfs/weed/pb/filer_pb"
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"io"
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"math"
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)
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func init() {
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Commands = append(Commands, &commandS3BucketQuotaEnforce{})
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}
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type commandS3BucketQuotaEnforce struct {
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}
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func (c *commandS3BucketQuotaEnforce) Name() string {
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return "s3.bucket.quota.enforce"
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}
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func (c *commandS3BucketQuotaEnforce) Help() string {
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return `check quota for all buckets, make the bucket read only if over the limit
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Example:
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s3.bucket.quota.enforce -apply
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`
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}
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func (c *commandS3BucketQuotaEnforce) Do(args []string, commandEnv *CommandEnv, writer io.Writer) (err error) {
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bucketCommand := flag.NewFlagSet(c.Name(), flag.ContinueOnError)
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applyQuotaLimit := bucketCommand.Bool("apply", false, "actually change the buckets readonly attribute")
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if err = bucketCommand.Parse(args); err != nil {
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return nil
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}
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infoAboutSimulationMode(writer, *applyQuotaLimit, "-apply")
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// collect collection information
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topologyInfo, _, err := collectTopologyInfo(commandEnv, 0)
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if err != nil {
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return err
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}
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collectionInfos := make(map[string]*CollectionInfo)
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collectCollectionInfo(topologyInfo, collectionInfos)
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// read buckets path
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var filerBucketsPath string
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filerBucketsPath, err = readFilerBucketsPath(commandEnv)
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if err != nil {
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return fmt.Errorf("read buckets: %v", err)
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}
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// read existing filer configuration
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fc, err := filer.ReadFilerConf(commandEnv.option.FilerAddress, commandEnv.option.GrpcDialOption, commandEnv.MasterClient)
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if err != nil {
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return err
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}
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// process each bucket
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hasConfChanges := false
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err = filer_pb.List(commandEnv, filerBucketsPath, "", func(entry *filer_pb.Entry, isLast bool) error {
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if !entry.IsDirectory {
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return nil
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}
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collection := entry.Name
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var collectionSize float64
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if collectionInfo, found := collectionInfos[collection]; found {
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collectionSize = collectionInfo.Size
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}
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if c.processEachBucket(fc, filerBucketsPath, entry, writer, collectionSize) {
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hasConfChanges = true
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}
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return nil
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}, "", false, math.MaxUint32)
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if err != nil {
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return fmt.Errorf("list buckets under %v: %v", filerBucketsPath, err)
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}
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// apply the configuration changes
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if hasConfChanges && *applyQuotaLimit {
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var buf2 bytes.Buffer
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fc.ToText(&buf2)
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if err = commandEnv.WithFilerClient(false, func(client filer_pb.SeaweedFilerClient) error {
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return filer.SaveInsideFiler(client, filer.DirectoryEtcSeaweedFS, filer.FilerConfName, buf2.Bytes())
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}); err != nil && err != filer_pb.ErrNotFound {
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return err
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}
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}
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return err
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}
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func (c *commandS3BucketQuotaEnforce) processEachBucket(fc *filer.FilerConf, filerBucketsPath string, entry *filer_pb.Entry, writer io.Writer, collectionSize float64) (hasConfChanges bool) {
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locPrefix := filerBucketsPath + "/" + entry.Name + "/"
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locConf := fc.MatchStorageRule(locPrefix)
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locConf.LocationPrefix = locPrefix
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if entry.Quota > 0 {
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if locConf.ReadOnly {
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if collectionSize < float64(entry.Quota) {
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locConf.ReadOnly = false
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hasConfChanges = true
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}
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} else {
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if collectionSize > float64(entry.Quota) {
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locConf.ReadOnly = true
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hasConfChanges = true
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}
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}
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} else {
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if locConf.ReadOnly {
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locConf.ReadOnly = false
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hasConfChanges = true
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}
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}
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if hasConfChanges {
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fmt.Fprintf(writer, " %s\tsize:%.0f", entry.Name, collectionSize)
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fmt.Fprintf(writer, "\tquota:%d\tusage:%.2f%%", entry.Quota, collectionSize*100/float64(entry.Quota))
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fmt.Fprintln(writer)
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if locConf.ReadOnly {
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fmt.Fprintf(writer, " changing bucket %s to read only!\n", entry.Name)
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} else {
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fmt.Fprintf(writer, " changing bucket %s to writable.\n", entry.Name)
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}
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fc.AddLocationConf(locConf)
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}
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return
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}
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