seaweedfs/weed/s3api/auth_credentials_subscribe.go

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package s3api
import (
"github.com/chrislusf/seaweedfs/weed/filer"
"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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)
func (s3a *S3ApiServer) subscribeMetaEvents(clientName string, prefix string, lastTsNs int64) {
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processEventFn := func(resp *filer_pb.SubscribeMetadataResponse) error {
message := resp.EventNotification
if message.NewEntry == nil {
return nil
}
dir := resp.Directory
if message.NewParentPath != "" {
dir = message.NewParentPath
}
if dir == filer.IamConfigDirecotry && message.NewEntry.Name == filer.IamIdentityFile {
if err := s3a.iam.LoadS3ApiConfigurationFromBytes(message.NewEntry.Content); err != nil {
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return err
}
glog.V(0).Infof("updated %s/%s", filer.IamConfigDirecotry, filer.IamIdentityFile)
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}
return nil
}
util.RetryForever("followIamChanges", func() error {
return pb.WithFilerClientFollowMetadata(s3a, clientName, s3a.randomClientId, prefix, &lastTsNs, 0, 0, processEventFn, pb.FatalOnError)
}, func(err error) bool {
glog.V(0).Infof("iam follow metadata changes: %v", err)
return true
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})
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}