Track object upload status through a progress bar

[priyanshikhetwani]

What happened:

RFE:
Convert upload size to the nearest KB/MB/GB, rather than bytes.
During image upload, the size is represented in bytes which can be better represented in KB/MB/GB based on the corresponding object that is being uploaded.

pvsadm/pkg/client/s3client.go

Lines 255 to 261 in ee4d801

if _, ok := r.signMap[off]; ok {
r.read += int64(n)
progress := int(float32(r.read*100) / float32(r.size))
fmt.Printf("\rUploading: Total read(bytes):%d progress:%d%%", r.read, progress)
} else {
r.signMap[off] = struct{}{}
}
This can further be improved by introducing a progress bar:
https://github.com/vbauerster/mpb

Test:

[ppc64le-cloud-bot]

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[ppc64le-cloud-bot]

Hi @priyanshikhetwani. Thanks for your PR.

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