Do not perform rados client shutdown in shell mode #50
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PR #42 changed the upmap-remapped.py script behavior to prefer librados Python bindings if available over direct shell commands. The very last step in the script is a call to
cluster.shutdown()for the rados client instance, but it is performed unconditionally even in shell mode, causing the script to emit aNameErrorforcluster.This PR addresses the issue by guarding the
cluster.shutdown()call so that it happens only when the script is using librados.