Import flow failure related log messages should be more specific about what went wrong #1080
Description
In most of the error log messages in import flow are very generic, It displays a big traceback with atom failed messages. But it is not specified why the atom is failed. With this error message user unable to pinpoint of the failure.
import failed
Failure in Job 0845ffb1-4d53-4a6c-9e18-3ed0a72c1ce5 Flow tendrl.flows.ImportCluster with error: Traceback (most recent call last): File "/usr/lib/python2.7/site-packages/tendrl/commons/jobs/init.py", line 240, in process_job the_flow.run() File "/usr/lib/python2.7/site-packages/tendrl/commons/flows/import_cluster/init.py", line 131, in run exc_traceback) FlowExecutionFailedError: ['Traceback (most recent call last):\n', ' File "/usr/lib/python2.7/site-packages/tendrl/commons/flows/import_cluster/init.py", line 98, in run\n super(ImportCluster, self).run()\n', ' File "/usr/lib/python2.7/site-packages/tendrl/commons/flows/init.py", line 227, in run\n "Error executing post run function: %s" % atom_fqn\n', 'AtomExecutionFailedError: Atom Execution failed. Error: Error executing post run function: tendrl.objects.Cluster.atoms.SetupClusterAlias\n'
Failed post-run: tendrl.objects.Cluster.atoms.SetupClusterAlias for flow: Import existing Gluster Cluster