Avinash Sridharan created MESOS-4820:
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Summary: Need to set `EXPOSED` ports from docker images into
`ContainerConfig`
Key: MESOS-4820
URL: https://issues.apache.org/jira/browse/MESOS-4820
Project: Mesos
Issue Type: Task
Components: containerization
Reporter: Avinash Sridharan
Priority: Critical
Most docker images have an `EXPOSE` command associated with them. This tells
the container run-time the TCP ports that the micro-service "wishes" to expose
to the outside world.
With the `Unified containerizer` project since `MesosContainerizer` is going to
natively support docker images it is imperative that the Mesos container run
time have a mechanism to expose ports listed in a Docker image. The first step
to achieve this is to extract this information from the `Docker` image and set
in the `ContainerConfig` . The `ContainerConfig` can then be used to pass this
information to any isolator (for e.g. `network/cni` isolator) that will install
port forwarding rules to expose the desired ports.
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