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Singularity 3.1.0
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@GodloveD GodloveD released this 22 Feb 22:55
· 5200 commits to master since this release
v3.1.0
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Great news Singularity fans!

Here comes a new feature release! And this is a big one!

Singularity v3.1.0 contains a ton of new features, enhancements and bug fixes. The big news is that there is now an OCI compliant variant of the Singularity runtime! (Thanks @cclerget!) Using the oci command group, a user can launch a fully OCI compliant version of Singularity.

Here’s a high-level overview of the changes in this release. For more details, see the git log.

New Commands

  • Introduced the oci command group to support a new OCI compliant variant of the Singularity runtime:
    • attach Attach console to a running container process
    • create Create a container from a bundle directory
    • delete Delete container
    • exec Execute a command within container
    • kill Kill a container
    • mount Mount create an OCI bundle from SIF image
    • pause Suspends all processes inside the container
    • resume Resumes all processes previously paused inside the container
    • run Create/start/attach/delete a container from a bundle directory
    • start Start container process
    • state Query state of a container
    • umount Umount delete bundle
    • update Update container cgroups resources
  • Added cache command group to inspect and manage cached files
    • clean Clean your local Singularity cache
    • list List your local Singularity cache

New features / functionalities

  • Can now build CLI on darwin for limited functionality on Mac
  • Added the scratch bootstrap agent to build from anything
  • Reintroduced support for zypper bootstrap agent
  • Added the ability to overwrite a new singularity.conf when building from RPM if desired
  • Fixed several regressions and omissions in SCIF support
  • Added caching for containers pulled/built from the Container Library
  • Changed keys command group to key (retained hidden keys command for backward compatibility)
  • Created an RPMPREFIX variable to allow RPMs to be installed in custom locations
  • Greatly expanded CI unit and end-to-end testing

As always, please report any bugs to:
https://github.com/sylabs/singularity/issues/new

And if you think that you've discovered a security vulnerability please report it to:
[email protected]

Thanks! Happy hacking!

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