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I'm trying to run a one-off task with Marathon. I'm able to get the task container running, but after the task command completes, marathon runs another task, and so on. How can I prevent Marathon from running more than one task/command?
Or, if this is not possible with Marathon, how can I achieve the desired behaviour?
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Marathon is a production-proven Apache Mesos framework for container orchestration, providing a REST API for starting, stopping, and scaling applications. Written in Scala, Marathon can run in highly-available mode by running multiple copies. The state of running tasks gets stored in the Mesos state abstraction.
Mesos supports any type of workload -- containerized or not -- while Kubernetes is designed specifically for containerized applications. It's technically possible to run non-containerized applications on Kubernetes by deploying them to a VM and running them inside a Kubernetes cluster with an add-on, such as KubeVirt.
A Basic Overview of Marathon It has many features that simplify running applications in a clustered environment, such as high-availability, node constraints, application health checks, an API for scriptability and service discovery, and an easy to use web user interface.
Mesosphere has developed a framework for running Google's open source container scheduler on top of a Mesos cluster. This allows you to run Kubernetes alongside other Mesos frameworks such as Spark. Marathon is an open source framework for Mesos developed and maintained by Mesosphere.
As a hack you can kill a marathon task at the end, as suggested here: https://github.com/mesosphere/marathon/issues/344#issuecomment-86697361
As rukletsov already mentioned - Marathon is desigend for long-running tasks: https://stackoverflow.com/a/26647789/1047843
If Chronos doesn't fit in your situation you can use Jenkins with Mesos plugin: https://github.com/jenkinsci/mesos-plugin
Or you can try to talk with Mesos directly and write you own framework: http://mesos.apache.org/documentation/latest/app-framework-development-guide/
In my opinion the two easiest options would be Chronos and Jenkins.
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