Ensure S3 bucket

[sergeyt]

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@@           Coverage Diff            @@
##             master     #80   +/-   ##
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  Coverage          ?   21.1%           
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  Files             ?      13           
  Lines             ?    2080           
  Branches          ?       0           
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  Hits              ?     439           
  Misses            ?    1573           
  Partials          ?      68

Impacted Files	Coverage Δ
awss3/store.go	0.28% <0%> (ø)

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[epsniff]

@sergeyt shouldn't you be checking the error returned from this function?

[sergeyt]

@epsniff yes, but only network connections I guess. if bucket exists should be no error

[epsniff]

Suggested change

	ensureBucket(s3Client, conf.Bucket)
	err = ensureBucket(s3Client, conf.Bucket)
	if err != nil {
	return nil, nil, err
	}