Extract log_level from configuration file if the level was not
overridden by the command line option. The default command line
option is 1 and there is no command line option to set the
verbose_level to 1, so if it is 1, it has not be set.
Change-Id: I1be04367c72f83c1181f92ca4c2c83165b66995c
Implements: blueprint logging-migration
Move the conversion of command line options to log level out
of shell.py.
Change-Id: I86cb45a85cd63927aa1c87c1eed27542981df659
Implements: blueprint logging-migration
This will allow users to record logs of all their commands into
a predefined log file, in clouds.yaml. The log should have a
format similar to that of oslo.log.
Change-Id: I1b334bf429d575fc25809c9706fc0b11116be3f1
Implements: blueprint every-time-record-log-in-file
