Hi Folks,
I could do with some pointers on config value deprecation.
All of the examples in the code and documentation seem to deal with the case
of "old_opt" being replaced by "new_opt" but still returning the same value
Here using deprecated_name and / or deprecated_opts in the definition of
"new_opt" lets me still get the value (and log a warning) if the config still
uses "old_opt"
However my use case is different because while I want deprecate old-opt,
new_opt doesn't take the same value and I need to different things depending
on which is specified, i.e. If old_opt is specified and new_opt isn't I still
want to do some processing specific to old_opt and log a deprecation warning.
Clearly I can code this up as a special case at the point where I look for the
options - but I was wondering if there is some clever magic in oslo.config that
lets me declare this as part of the option definition ?
As a second point, I thought that using a deprecated option automatically
logged a warning, but in the latest Devstack wait_soft_reboot_seconds is
defined as:
cfg.IntOpt('wait_soft_reboot_seconds',
default=120,
help='Number of seconds to wait for instance to shut down after'
' soft reboot request is made. We fall back to hard reboot'
' if instance does not shutdown within this window.',
deprecated_name='libvirt_wait_soft_reboot_seconds',
deprecated_group='DEFAULT'),
but if I include the following in nova.conf
libvirt_wait_soft_reboot_seconds = 20
I can see the new value of 20 being used, but there is no warning logged that
I'm using a deprecated name ?
Thanks
Phil
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