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Pegasus in FutureGrid and Experiment Management

Pegasus in FutureGrid and Experiment Management. Presented by Jens-S. Vöckler. Current JIRA tasks.

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Pegasus in FutureGrid and Experiment Management

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  1. Pegasus in FutureGrid and Experiment Management Presented by Jens-S. Vöckler http://futuregrid.org

  2. Current JIRA tasks -+- FG 412 (master task) | +- FG 407 Pegasus available for use on each resource | | +- FG 838 Get Pegasus into FG vanilla VM images | | | `- FG 839 minimal input installation shell scripts | | +- FG 413 Pegasus available on test-bed | | `- FG 414 (milestone) Pegasus avail for use completed | +- FG 415 Pegasus documentation and maintenance | | +- FG 436 Use-case documentation | | +- FG 671 workflow architecture document | | +- FG 672 experiment management | | `- FG 753 dev-doc describes activities for FG-SW plan | +- FG 409 Immediate resource provisioning workflow | +- FG 410 Time-sensitive resource provisioning workflow | +- FG 418 Workflow repository requirement | +- FG 419 Pegasus tutorial | +- FG 420 End-2-end experiment management workflows | `- FG 421 Workflow repository… (few non-related tasks) http://futuregrid.org

  3. Proposed Restructuring • Two basic, parallel-running, root-tasks: • Pegasus on FutureGrid • Helps to draw domain science users • Provides familiar context • Envision FG-specific tutorial, support, etc. • Pegasus as part of Experiment Management • Workflow capabilities considered essential for EM • Includes notion of repeatable experiment • Related is the experiment repository http://futuregrid.org

  4. [1] Pegasus on FutureGrid • Pegasus installation on FutureGrid (in progress) • Pegasus installation on FG helpful minimal input shell scripts (in progress) • Pegasus onto Nimbus (done) • Pegasus onto Eucalyptus (update necessary) • Pegasus onto OpenStack(in progress) • Pegasus onto bare-metal (to be done) • Pegasus on FG tutorial - Nimbus based (started) • Create Pegasus “submit host” FG VM (to be done) • Create Pegasus “worker node” FG VM (mostly done, see above) • Use either cloudinit.d or Wrangler to "connect" above ( 1.2.1 + N x 1.2.2 ) • Write Pegasus tutorial based on this setup (to be done) • Pegasus on FG documentation (to be done) • Document worker-node behavior inside VMs • Document worker-node behavior on bare-metal • Document behavior as submit-host • Pegasus immediate provisioning workflow (prototype done) • Pegasus time-sensitive provisioning workflow (to be done) http://futuregrid.org

  5. [2] Pegasus in Experiment Management • Pegasus as part of FG Experiment Management (EM) • Better define "what is an experiment” (still discussing) • Design the "missing pieces" of Experiment Management • Identify EM pieces that are covered by Pegasus pieces. • Research what parts of FG can be taken into EM • FG rain client for regular and dynamic provisioning • FG image management to provision and configure vetted VMs • FG Moab for advanced scheduling HPC operations • Design Experiment Catalog a.k.a. workflow repository. • Probably more that will surface later • Consider inter-operability between PWMS and EH • Record EH activity into something that replays in PWMS. • Consider leveraging EH scripts inside PWMS workflows. http://futuregrid.org

  6. [2] Pegasus in Experiment Management (Cont.) • Create end-to-end experiment workflow • Define use-case based on manual periodogram work. • Document use-case in FG SW documentation. • Divide use-case into goal and steps. • Populate Experiment Catalog with Pegasus experiments • Experiment Management Documentation • EM Tutorial • Similar to Pegasus tutorial http://futuregrid.org

  7. PWMS Milestones (proposed) Milestones depend on timely arrival of the remainder of year 3 and year 4 funds. http://futuregrid.org

  8. EM Milestones (proposed) Year 4 milestones will be revisited next year. http://futuregrid.org

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