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78b3728169
configure s3 circuit breaker by 'command_s3_circuitbreaker.go': usage eg: # Configure the number of simultaneous global (current s3api node) requests s3.circuit.breaker -global -type count -actions Write -values 1000 -apply # Configure the number of simultaneous requests for bucket x read and write s3.circuit.breaker -buckets -type count -actions Read,Write -values 1000 -apply # Configure the total bytes of simultaneous requests for bucket write s3.circuit.breaker -buckets -type bytes -actions Write -values 100MiB -apply # Disable circuit breaker config of bucket 'x' s3.circuit.breaker -buckets x -enable false -apply # Delete circuit breaker config of bucket 'x' s3.circuit.breaker -buckets x -delete -apply
64 lines
1.8 KiB
Go
64 lines
1.8 KiB
Go
package s3api
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import (
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"github.com/chrislusf/seaweedfs/weed/config"
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"github.com/chrislusf/seaweedfs/weed/filer"
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"github.com/chrislusf/seaweedfs/weed/glog"
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"github.com/chrislusf/seaweedfs/weed/pb"
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"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
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"github.com/chrislusf/seaweedfs/weed/util"
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)
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func (s3a *S3ApiServer) subscribeMetaEvents(clientName string, prefix string, lastTsNs int64) {
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processEventFn := func(resp *filer_pb.SubscribeMetadataResponse) error {
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message := resp.EventNotification
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if message.NewEntry == nil {
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return nil
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}
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dir := resp.Directory
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if message.NewParentPath != "" {
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dir = message.NewParentPath
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}
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fileName := message.NewEntry.Name
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content := message.NewEntry.Content
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_ = s3a.onIamConfigUpdate(dir, fileName, content)
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_ = s3a.onCbConfigUpdate(dir, fileName, content)
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return nil
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}
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util.RetryForever("followIamChanges", func() error {
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return pb.WithFilerClientFollowMetadata(s3a, clientName, s3a.randomClientId, prefix, &lastTsNs, 0, 0, processEventFn, pb.FatalOnError)
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}, func(err error) bool {
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glog.V(0).Infof("iam follow metadata changes: %v", err)
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return true
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})
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}
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//reload iam config
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func (s3a *S3ApiServer) onIamConfigUpdate(dir, filename string, content []byte) error {
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if dir == filer.IamConfigDirecotry && filename == filer.IamIdentityFile {
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if err := s3a.iam.LoadS3ApiConfigurationFromBytes(content); err != nil {
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return err
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}
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glog.V(0).Infof("updated %s/%s", dir, filename)
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}
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return nil
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}
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//reload circuit breaker config
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func (s3a *S3ApiServer) onCbConfigUpdate(dir, filename string, content []byte) error {
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if dir == config.CircuitBreakerConfigDir && filename == config.CircuitBreakerConfigFile {
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if err := s3a.cb.LoadS3ApiConfigurationFromBytes(content); err != nil {
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return err
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}
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glog.V(0).Infof("updated %s/%s", dir, filename)
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}
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return nil
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}
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