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OpenSource PaaS

Tobias Brunner
September 09, 2015

OpenSource PaaS

An overview of available and actively maintained OpenSource PaaS software

Tobias Brunner

September 09, 2015
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  1. Open Source PaaS
    using Docker
    A short overview

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  2. 09/08/15 VSHN AG | http://vshn.ch 2
    Agenda

    VSHN? Or: How do I spell that?

    PaaS in 2015

    Buildpack

    Open Source Projects overview
    – Dokku, Deis, Tsuru, Flynn, Apache Stratos, OpenShift
    v3, Cloud Foundry

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  3. 09/08/15 VSHN AG | http://vshn.ch 3
    /me

    Tobias Brunner aka tobru

    VSHNeer since the beginning of VSHN

    Open Source fan

    Blog: https://tobrunet.ch

    Twitter: @tobruzh

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  4. 09/08/15 VSHN AG | http://vshn.ch 4
    Company Profle | v ʒ |
    ˈ ɪ nn

    Owner-operated Swiss company

    12 employees at the head office in Zurich

    Service provider for DevOps, software delivery
    automation and confguration management

    Partner for operations/hosting of web applications

    Further specialty felds: Consulting, System Engineering,
    Continuous Delivery, Monitoring, Backup, 24/7 Support

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  5. 09/08/2015 VSHN AG | http://vshn.ch 5
    Software Delivery Automation

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  6. 09/08/15 VSHN AG | http://vshn.ch 6
    PaaS in 2015

    Push to deploy

    Automatic
    – Building
    – Testing
    – Releasing
    – Monitoring
    – Feedback
    – (Scaling)

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  7. 09/08/15 VSHN AG | http://vshn.ch 7
    PaaS in 2015

    At the moment: Docker most used backing tool

    Shared concepts:
    – Push to deploy (f.e. git push)
    – Docker
    – Builds container matching app language
    – Automatic deployment

    Twelve-Factor App (http://12factor.net/ )

    Buildpacks

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  8. 09/08/15 VSHN AG | http://vshn.ch 8
    Buildpacks

    Invention of Heroku

    Foundation of many Open Source PaaS implementations

    Defnes how to build up the stack

    Not limited to one language

    Autodetection of application language

    Many open buildpacks available

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  9. 09/08/15 VSHN AG | http://vshn.ch 9
    Tool 1: Dokku

    Written in Bash (~200 Lines)

    Builds on Heroku Buildpacks

    Single host

    Many plug-ins

    Easy to get up and running
    $ cd node-js-sample
    $ git remote add dokku [email protected]:node-js-app
    $ git push dokku master
    Counting objects: 296, done.
    Delta compression using up to 4 threads.
    Compressing objects: 100% (254/254), done.
    Writing objects: 100% (296/296), 193.59 KiB,
    done.
    Total 296 (delta 25), reused 276 (delta 13)
    -----> Building node-js-app ...
    Node.js app detected
    -----> Resolving engine versions
    ... blah blah blah ...
    -----> Application deployed:
    http://node-js-app.dokku.me

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  10. 09/08/15 VSHN AG | http://vshn.ch 10
    Tool 2: Deis

    Docker, CoreOS, Ceph

    Builds on Heroku Buildpacks

    Twelve-Factor App needed

    Supported languages: Ruby, Python, Node.js, Java, Clojure,
    Scala, Play, PHP, Perl, Dart and Go.

    At least 3 servers needed

    Many components involved: Controller, Database, Cache,
    Builder, Registry, Logspout, Logger, Publisher, Router, Store.

    Scheduler: Fleet. Previews: Kubernetes, Mesos with
    Marathon, Swarm

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  11. 09/08/15 VSHN AG | http://vshn.ch 11
    Tool 2: Deis

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  12. 09/08/15 VSHN AG | http://vshn.ch 12
    Tool 3: Tsuru

    Supports any app language and even Buildpacks

    Single server possible, but also a cluster of servers
    – Can be any Docker host

    IaaS integration (manage VMs)

    Databases as services

    git push or tsuru app-deploy

    Components: tsurud, tsuru, tsuru-admin, crane, gandalf,
    registry, router

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  13. 09/08/15 VSHN AG | http://vshn.ch 13
    Tool 4: Flynn

    Run anything, not just Twelve-Factor Apps

    PostgreSQL support included, others coming

    Buildpacks used

    One or more nodes

    Components: many / self invented
    – Layer 0 is a low-level resource framework inspired by the
    Google Omega paper. Layer 0 also includes service
    discovery.
    – Layer 1 is a set of higher level components that makes it
    easy to deploy and maintain applications and databases.

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  14. 09/08/15 VSHN AG | http://vshn.ch 14
    Tool 5: Apache Stratos

    PaaS Framework

    True Multi-Tenancy

    Dynamic scaling, cloud bursting,
    IaaS integration

    Complex architecture

    Backed by Apache Foundation

    Uses so called cartridges

    Supports Kubernetes

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  15. 09/08/15 VSHN AG | http://vshn.ch 15
    Tool 5: Apache Stratos

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  16. 09/08/15 VSHN AG | http://vshn.ch 16
    Tool 6: OpenShift v3

    Enterprise and Origin (OpenSource), RedHat product

    Based on Kubernetes

    Simple running: Runs itself in a Docker container

    Automatic scaling

    Provides database services

    Helps in building the application (S2I)

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  17. 09/08/15 VSHN AG | http://vshn.ch 17
    Tool 6: OpenShift v3

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  18. 09/08/15 VSHN AG | http://vshn.ch 18
    Tool 7: Cloud Foundry

    Started at VMware, now owned by Pivotal Software

    Helps with full application lifecycle: dev, stage, prod, …

    Best used with Twelve-Factor Apps

    Many components: Cloud Controller, Elastic Runtime,
    Router, Authentication, Application Execution (DEA), Blob
    Store, Services, Operations BOSH, Logging and Statistics,
    HM9000

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  19. 09/08/15 VSHN AG | http://vshn.ch 19
    Tool 7: Cloud Foundry

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  20. 09/08/15 VSHN AG | http://vshn.ch 20
    Conclusion

    Many OpenSource PaaS available

    From simple (Dokku) to very complex (Apache Stratos)

    Getting started: Use Dokku

    Production Cluster: Chose between Deis or OpenShift v3

    Having fun: Tsuru, Flynn

    For freaking out: Apache Stratos or Cloud Foundry

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  21. 09/08/2015 VSHN AG | http://vshn.ch 21
    Questions?

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  22. 09/08/2015 VSHN AG | http://vshn.ch 22
    We're hiring
    Speak to: @tobruzh and @aarnoaukia

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