Distributing Cloud Foundry sidecars with buildpacks

Until recently a running Cloud Foundry app container only ran and monitored a single process, but now we can run additional sidecar processes. In this deck we look at packaging the sidecar software in a buildpack.

Walk thru is at https://gist.github.com/drnic/28ba8d0dc8e91bfdc47e53916d6cdb56

Transcript

1. Title Text
   Body Level One
   Body Level Two
   Body Level Three
   Body Level Four
   Body Level Five
   Distributing sidecars with
   Buildpacks
   CF CAB meeting June 2019
   Dr Nic Williams @drnic
   

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3. Sidecars
   ./app
   ./config-server -p 5555
   

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4. Sidecars
   ./app
   etcd grpc-proxy start
   etcd etcd etcd
   

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5. Sidecars
   nginx [--port 8080]
   ./app --port 8081
   

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6. via
   cf push
   ./app
   ./config-server -p 5555
   ./config-server uploaded by dev
   How to separate concerns?
   

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7. Who?
   ./app
   etcd grpc-proxy start
   etcd cli curated by etcd team
   Who to distribute etcd sidecar?
   

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8. Buildpack
   ./app
   etcd proxy
   etcd service team own etcd
   Distribute sidecar via buildpack Ɏ
   app team
   etcd service team
   

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9. etcdproxy
   sidecar
   buildpack
   command: start_etcdproxy.sh
   

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10. Install etcd cli
    New "singles" buildpack
    Walk thru
    @drnic
    Package etcd cli Ɲ
    $
    Run etcd proxy as sidecar
    ɑ
    Using CF Dev + local etcd server
    

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