Hello everyone.
I'm working on openstack application. It should works with large range
of openstacks (at least from Havana till Pica+) and works on large range
of keystoneauth1 clients (at least from Ubuntu's trusty distro versions
till Xenial+). I want it to work with any combination of available versions.
I use following steps:
1. Autodiscovery of supported versions:
def _find_local_versions():
version_filter = partial(re.find, 'v\d+')
return filter(version_filter, dir(keystoneauth1.identity))
2. Discovery of remote versions:
r = requests.get(keystone.auth_url)
versions = map(lambda x: x['id'], r.json()['versions']['values'])
3. Matching them together (plus my own application's list of supported
versions).
4. Use separate code for 'v2' and 'v3' with auto-conversion between
'tenant_name' and 'project_name' for keystoneauth1.identity.v2/v3
Is this a proper way to do it? Is here a better way to do this? Thanks.
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