ARC5cleanup

Components to be removed/deprecated in ARC 5.0

Note that this page does not cover documentation.

• Plan:
  • 10 December: Components removed and trunk builds
  • 17 December: Alpha release

Instructions on how to move things to obsolete

• Example moving confusa:

svn move -m "code cleanup for arc 5.0: move confusa to obsolete" https://svn.nordugrid.org/repos/nordugrid/arc1/trunk/src/hed/libs/compute/confusa https://svn.nordugrid.org/repos/nordugrid/obsolete/confusa

Removals

• arc-ur-logger
  • Responsible: Jon
  • Preparations:
    • Fix bug 3161
  • Parts of code to remove:
    • Already removed
• LFC DMC - DONE (but see notes below)
  • Responsible: Anders
  • Preparations:
  • Parts of code to remove:
    • https://svn.nordugrid.org/trac/nordugrid/browser/arc1/trunk/src/hed/dmc/lfc
    • Search for LFC in code...
  • Comments:
    • Will also result in packaging cleanup (some dependencies)
    • David takes the code, Anders takes the packaging.
    • DMC/LFC dir will be moved to obsolete.
  • Notes:
    • Only arc1 tree has been changed doc pending
    • LFC was not removed from GFAL which can in theory provide LFC support
    • Changed man page examples from lfc protocol to gsiftp protocol: arcls, arccp, arcmkdir, arcrename
    • Removed comments from arc.conf.reference
  • Todo:
    • Check remaining lfc references in:

 src/hed/libs/common/URL.* (needed by ParserTests below)
 src/hed/acc/JobDescriptionParser/test/*ParserTest.cpp
 src/clients/data/arcrename.cpp
 src/clients/cache/cache.py

• DQ2 DMC - DONE
  • Responsible: Anders
  • Preparations:
  • Parts of code to remove:
  • Comments:
    • Similar to LFC DMC
• old data staging in grid-manager - DONE (rev 29171)
  • Responsible: David
  • Preparations:
  • Parts of code to remove:
  • Comments:
    • Cleaning up in grid-manager, not moving dir to obsolete
    • The following arc.conf options have moved from [grid-manager] to [data-staging]: acix_endpoint, securetransfer, passivetransfer, localtransfer, speedcontrol, preferredpattern, copyurl, linkurl, maxtransfertries.
• confusa abandoned development
  • Responsible: Jon
  • Preparations:
  • Parts of code to remove:
    • hed/libs/compute/confusa
  • Comments:
    • Mostly harmless
• remove gridsite dependency
  • Responsible:Anders
  • Preparations:
  • Parts of code to remove:
  • Comments:
    • remove gridsite external dependency
    • gacl feature may stay (data and compute plugins)
• arcmigrate
  • Responsible: Jon
  • Preparations:
  • Parts of code to remove:
    • clients/compute/arcmigrate*
  • Comments:
    • Basically removing the cli tool and remove one known issue from release notes.
    • Note: Should deprecate migration in A-Rex and API
• arcslcs and slcs service
  • Responsible: Aleksandr
  • Preparations:
  • Parts of code to remove:
    • clients/credentials/arcslcs
  • Comments:
    • Was just an unused prototype
• Create examples dir under services and move echo_* services there
  • Responsible: Jon
  • Preparations:
  • Comments:
    • Probably not installed, maybe under examples
• SAML service
  • Responsible: Aleksandr
  • Commetns:
    • like with slcs service

Deprecations

• cache-service
• UNICORE client
• CREAM client and corresponding job description language
• job.xml
• ARGUS based identitymap
• Migration feature in A-Rex and API

Bugs/things to be fixed/wishlist for ARC 5.0

• Add priorities to backends (needed from NDGF) (done)
• Introduce sacct in slurm backend (https://bugzilla.nordugrid.org/show_bug.cgi?id=3434)
• Add logging to JURA (https://bugzilla.nordugrid.org/show_bug.cgi?id=3161)
• Configurable limits for data transfer services (https://bugzilla.nordugrid.org/show_bug.cgi?id=3262)
• Single-valued multi-attribute Glue1 VO publishing (https://bugzilla.nordugrid.org/show_bug.cgi?id=3412)
• default buffersize for doing IO be higher than 64k (Ulf asked for it)