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Posted to user@mesos.apache.org by Harold Molina-Bulla <h....@tsc.uc3m.es> on 2019/09/10 10:50:11 UTC
Attach Shared Volume to new tasks
Hi everybody,
We are implementing a Scheduler for Mesos in python, and we need to attach a preconfigured shared volume to a new Task. The Shared volume is now offered by the agents, we can get all information from the offer, but we do not know how to attach this volume to a new created task.
We are trying with the follow code:
for off_volume in offers_disks :
volume = task.resources.add()
volume.name = "disk"
volume.type = mesos_pb2.Value.SCALAR
volume.scalar.value = off_volume.scalar.value
volume.disk.persistence.id = off_volume.disk.persistence.id
volume.disk.volume.container_path = off_volume.disk.volume.container_path
volume.disk.volume.mode = off_volume.disk.volume.mode
Where offer_disks are the list of offered shared volumes (as we said previously, this volume was created before to try to launch the Tasks, with the field “shared” defined); task is the new task created using mesos_pb2.TaskInfo().
When we try to create this new task, the system says:
"Task uses invalid resources: Invalid DiskInfo: Persistent volumes cannot be created from unreserved resources."
How can I attach this shared volume to my new Task?
Thanks in advance.
H.
----------------------------------------------------------------------------------------------------------------------
“En una época de mentira universal, decir la verdad constituye un acto revolucionario”
George Orwell (1984)
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Recuerda: PRISM te está vigilando!!! X)
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Harold Molina-Bulla
h.molina@tsc.uc3m.es
Clave GnuPG: 189D5144
Re: Attach Shared Volume to new tasks
Posted by Benjamin Mahler <bm...@apache.org>.
Can you show the full resource information from the offer?
On Tue, Sep 10, 2019 at 6:50 AM Harold Molina-Bulla <h....@tsc.uc3m.es>
wrote:
> Hi everybody,
>
> We are implementing a Scheduler for Mesos in python, and we need to attach
> a preconfigured shared volume to a new Task. The Shared volume is now
> offered by the agents, we can get all information from the offer, but we do
> not know how to attach this volume to a new created task.
>
> We are trying with the follow code:
>
> for off_volume in offers_disks :
> volume = task.resources.add()
> volume.name = "disk"
> volume.type = mesos_pb2.Value.SCALAR
> volume.scalar.value = off_volume.scalar.value
> volume.disk.persistence.id =
> off_volume.disk.persistence.id
> volume.disk.volume.container_path =
> off_volume.disk.volume.container_path
> volume.disk.volume.mode = off_volume.disk.volume.mode
>
> Where offer_disks are the list of offered shared volumes (as we said
> previously, this volume was created before to try to launch the Tasks, with
> the field “shared” defined); task is the new task created using
> mesos_pb2.TaskInfo().
>
> When we try to create this new task, the system says:
>
> "Task uses invalid resources: Invalid DiskInfo: Persistent volumes cannot
> be created from unreserved resources."
>
> How can I attach this shared volume to my new Task?
>
> Thanks in advance.
>
> H.
>
>
> ----------------------------------------------------------------------------------------------------------------------
> “En una época de mentira universal, decir la verdad constituye un acto
> revolucionario”
> George Orwell (1984)
>
> ----------------------------------------------------------------------------------------------------------------------
> Recuerda: PRISM te está vigilando!!! X)
>
> ----------------------------------------------------------------------------------------------------------------------
> Harold Molina-Bulla
> h.molina@tsc.uc3m.es
> Clave GnuPG: 189D5144
>
>
>
>
>
>
>
>