meetup mesos : mesos, chronos and marathon in ci/cd factory

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Mesos, Chronos and MarathonIntegration in CI/CD factory

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Principles• Open to all : everybody’s welcome !– Speakers– Attendees

• Based on BBL– A cutting edge technology– A concept introduced in a customer

• There’s a groupe on Yammer !

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Now let’s deep dive…

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What is Mesos ?Apache Mesos is an open-source cluster manager that was developed at the University of California, Berkeley. It "provides efficient resource isolation and sharing across distributed applications, or frameworks". The software enables resource sharing in a fine-grained manner, improving cluster utilization.

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Who use Mesos ?

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But wait…

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Zookeeper

Apache ZooKeeper is a software project of the Apache Software Foundation, providing an open source distributed configuration service, synchronization service, and naming registry for large distributed systems.

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Marathon

Marathon is an Apache Mesos framework for long-running applications. Given that you have Mesos running as the kernel for your datacenter, Marathon is the init or upstart daemon.

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Chronos• Chronos is a replacement for cron. It is a

distributed and fault-tolerant scheduler that runs on top of Apache Mesos that can be used for job orchestration.

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Other Frameworks

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Mesosphere DCOS

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Now, we are ready !

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Example Architecture

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How does it work ?

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How does it work ?

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Jenkins on Mesos

Put simply, whenever the Jenkins Build Queue starts getting bigger, this plugin automatically spins up additional Jenkins slave(s) on Mesos so that jobs can be immediately scheduled

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Why Jenkins on Mesos ?• Provide high availability– Built-in Mesos– No more fancy architecture

• Mesos provide optimal utilization of resources– Most of the time, slaves are idle

• Build slave management is a nightmare

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Les Meetups Veille Techno’

Les Meetups Veille Techno’

Les Meetups Veille Techno’

A concrete example

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A concrete example

Les Meetups Veille Techno’

Les Meetups Veille Techno’

Les Meetups Veille Techno’

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Les Meetups Veille Techno’