Possible not caught error in backup procedure

Summary

Since backup procedure uses shell module with pipes in command if first command will exit with error it may be not caught.

Steps to reproduce

N/A

Expected behavior

Every error condition should be caught by playbook.

Actual behavior

Fail may not be caught when first pipe command fails.

Relevant logs and/or screenshots

N/A

Possible fixes

add set -o pipefail && at beginning of shell command