16bfc82962
One of the goals for Pike [1] is to make each API service be able to run under web servers that support WSGI applications, such as Apache (+mod-wsgi) and Nginx (+uWSGI). Do following to address governance requirements: - Split existing manila/wsgi.py module into 3 modules: First (manila/wsgi/eventlet_server.py) is used by eventlet-based WSGI application approach. Second (manila/wsgi/wsgi.py) is used for WSGI web servers. And third (manila/wsgi/common.py) is common code for both. All three are made in cinder-like way to have alike-approach. - Reuse common code from "oslo_service/wsgi.py" module that allows us to remove code duplication. - Delete config opts that are defined by newly reused common code. - Register new entry point that will be manila wsgi app: "manila-wsgi". - Fix "manila/api/openstack/wsgi.py" module to be compatible with str/bytes handling approach used by Apache mod-wsgi plugin using different python versions (2/3). - Add web server config template "devstack/apache-manila.template" - Add devstack support where usage of this feature can be enabled or disabled using "MANILA_USE_MOD_WSGI" env var. It is set to "True" by default, because it is requirement for Pike release - to have it running in all CI jobs. Disable it only for one CI job that uses dummy driver and tests various manila core features that are not covered by other CI jobs. [1] https://governance.openstack.org/tc/goals/pike/deploy-api-in-wsgi.html Partially-Implements BluePrint wsgi-web-servers-support DocImpact Change-Id: Ibdef3c6810b65a5d6f3611e2d0079c635ee523ab |
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