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s3: use a request handler to set ContentLength on HeadObjectOutput

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This commit is contained in:
Wayne Warren 2020-11-04 00:05:55 -06:00
parent 78f71c18b4
commit b0fc5ddc8b
1 changed files with 19 additions and 0 deletions
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19
registry/storage/driver/s3-aws/s3.go
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@ -585,6 +585,24 @@ func (d *driver) logS3Operation(ctx context.Context) request.NamedHandler {
}
}
// setContentLengthHandlerHame is used to identify the handler used set the
// ContentLength field on request data output types that support it.
const setContentLengthHandlerName = "docker.storage-driver.s3.set-content-length"
// setContentLength is used to set the ContentLength field on request data
// output types that support it.
var setContentLength = request.NamedHandler{
Name: setContentLengthHandlerName,
Fn: func(r *request.Request) {
switch v := r.Data.(type) {
case *s3.HeadObjectOutput:
if r.HTTPResponse.ContentLength > 0 {
v.SetContentLength(r.HTTPResponse.ContentLength)
}
}
},
}
func (d *driver) s3Client(ctx context.Context) *s3.S3 {
s := d.S3
@ -593,6 +611,7 @@ func (d *driver) s3Client(ctx context.Context) *s3.S3 {
r := d.logS3Operation(ctx)
s.Client.Handlers.Complete.PushBackNamed(r)
}
s.Client.Handlers.Complete.PushBackNamed(setContentLength)
return s
}