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New feature request: Modules readiness for HA deployments

    • Open Issue created by osmsupport @osm-contributor

    Modules readiness for HA deployments

    Proposer

    • Benjamin Diaz (Whitestack)
    • Gianpietro Lavado (Whitestack)

    Type

    Feature

    Target MDG/TF

    LCM,MON,POL,RO,N2VC/VCA,common

    Description

    The goal of this feature is to work on the readiness of each module for them to be ready for high-availability deployments, independently from the platform used to provide HA (Kubernetes, Docker Swarm, and so on)

    To get started, two main changes are needed:

    1. Dockerized modules that are Kafka consumers should add their group-id when registering, leveraging the work related to Bug534 (https://osm.etsi.org/bugzilla/show_bug.cgi?id=534)
    2. Juju HA cluster must be tested according to https://docs.jujucharms.com/2.3/en/controllers-ha

    Besides those two actions, other work might be required at some modules for multiple replicas to work in a synchronized way (to be investigated)

    Once this is ready and maintained, future efforts should include upstreaming multiple types of HA installations that leverage this work.

    Demo or definition of done

    A multi-host, HA installation of OSM (independently on how it was achieved) should work without modifications to the modules.

    Designs

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      Activity

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