Change Details

@startuml participant User participant Hitch participant Varnish participant Apache participant Gunicorn User -> Hitch: queries server https activate Hitch Hitch -> Varnish: forwards query activate Varnish alt cache hit Varnish -> Hitch: returns result Hitch --> User: result else cache not hit Varnish -> Apache: forwards query activate Apache Apache -> Gunicorn: forward query proxy activate Gunicorn Gunicorn --> Apache: return result deactivate Gunicorn Apache --> Varnish: caches results then returns deactivate Apache Varnish -> Hitch: returns result Hitch --> User: result deactivate Varnish deactivate Hitch end @enduml

@startuml participant User box "webserver: moma (webapp, deposit), webapp.staging, deposit.staging..." #LightBlue participant FrontendHitch participant Varnish participant Apache participant Gunicorn end box User -> FrontendHitch: https queries activate FrontendHitch FrontendHitch -> Varnish: forwards query note left: ssl termination activate Varnish alt cache hit Varnish -> FrontendHitch: returns result FrontendHitch --> User: returns result else cache missed Varnish -> Apache: forwards query activate Apache Apache -> Gunicorn: forwards query activate Gunicorn Gunicorn --> Apache: returns result deactivate Gunicorn Apache --> Varnish: caches and returns result deactivate Apache Varnish -> FrontendHitch: returns result FrontendHitch --> User: returns result deactivate Varnish deactivate FrontendHitch end @enduml

@startuml participant User box "webserver: moma (webapp, deposit), webapp.staging, deposit.staging..." #LightBlue participant FrontendHitch participant Varnish participant Apache participant Gunicorn end box User -> FrontendHitch: queries server httpshttps queries activate FrontendHitch FrontendHitch -> Varnish: forwards query note left: ssl termination activate Varnish alt cache hit Varnish -> Hitch: returns resultalt cache hit Hitch --> User: Varnish -> FrontendHitch: returns result else cache not hit FrontendHitch --> User: returns result else cache missed Varnish -> Apache: forwards query activate Apache Apache -> Gunicorn: forwards query proxyry activate Gunicorn Gunicorn --> Apache: returns result deactivate Gunicorn Apache --> Varnish: caches results then returnsand returns result deactivate Apache Varnish -> FrontendHitch: returns result FrontendHitch --> User: returns result deactivate Varnish deactivate FrontendHitch deactivate Hitch end @enduml