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Docker Volume Driver Isolator Module for Mesos 0.23.0

github.com/emccode/mesos-module-dvdi

  • Steve Wong (@cantbewong)

Goals

  • Be a lasting component to larger Mesos External Storage project
  • Enable external storage to be orchestrated with tasks agnostic of framework
  • Extend Docker eco-system of Volume Drivers to Mesos containerizer agnostic of storage platforms

Architecture 0.23.0

inline fill 55%

Installing

  1. Install and Test rexray (or others)
  2. Install and Test dvdcli
  3. Install Mesos dvdi module
  4. Send Marathon Job

Invoking with Jobs

"env": {
  "DVDI_VOLUME_NAME": "testing",
  "DVDI_VOLUME_DRIVER": "platform1",
  "DVDI_VOLUME_OPTS": "size=5,iops=150,volumetype=io1,newfstype=xfs,overwritefs=true"
}
  • name of the volume as represented by the storage platform
  • name of the storage platform
  • options for volume (VD dependency)
  • options for fs (VD dependency)

DEMO

Next Steps for MesosCon EU Demo

Critical Path

  • Mesos containerizer for isolation of FS
  • Priority of isolators
  • Subclass of mesos containerizer

Caveats

  • 0.23.0
  • Use Volume Driver exclusively between containerizers due to unmounts

Feedback

  • Mountpoint coming back into task
  • Credential management

Content

github.com/emccode/mesos-module-dvdi github.com/emccode/dvdcli [EMC {code} Blog] [EMC Pulse Blog] [Mesosphere Blog] [Mesosphere PR]