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the FOLIO Architectural PoC Review Feedback will serve as a mechanism to provide feedback and questions

Some reported API calls which will "break on the new platform": MODSIDECAR-13: Options for handling modules which call OKAPI

Looking at architectural proof-of-concept:

• Keycloak - replace home-grown auth. https://www.keycloak.org/guides ,  Guides set-up via Kubernetes or Docker environments.
• Kong Gateway - https://docs.konghq.com/gateway/latest/get-started/, create service not in Kubernetes, existing Helm charts.

Notes:

• What is the reason for Kong gateway vs. Okapi
• Ingolf: have heard from more than one place, that speed is an issue. Okapi knowingly slow in migrations (was "bottlneck" in Jeremy's AirFlow Migration scenario). Also heard from GoKB people, that harvesting data from GoKB is slow ("would take 3 to 4 weeks"), mainly because all data go through Okapi.
• Jeremy: But license issue for Kong is unsolved.
• Uwe: There is a "published version" of Kong; code is published, but may not be modified. Ingolf: Heard from Julian and others that we need commercial version of Kong if we want to serve our libraries.
• Uwe: There are alternatives to Kong, for example tyk. Why have those not been taken into account (or have they?) https://tyk.io/tyk-vs-kong/
• Uwe: Sidecars module seem to be in late stages of development; for me this is more than a "Proof of Concept". Has this all been discussed in the TC ?
• Uwe: Sidecars solves the "bottleneck" issue (of data going all thru a gateway) by using direct inter-module communication
• Ingolf: What will replace the registration of the modules at Okapi ? Will there be a central registration at all ??
• Uwe: The Manager component mgr-tenant-entitlement will be the piece of software that will take that place. See here:
  • MODSIDECAR-13: Options for handling modules which call OKAPI

  • Okapi interface provision using mgr-components

    mgr-tenant-entitlement

    mgr-applications

  • the entitlement module is a request broker, but in a centralised way.
  • All components described here (Sidecar, Keycloak and the manager components) seem to be developed beyond a stage of "proof of concept".

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Notes:

• no progress today due to low audience (Uwe only signed in as a "guest"). Will resume discussion next week.