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UniK Changelog

Fri, Jun 17 2016

  • UniK's Containers are now (automatically) versioned by the first 16 characters of their SHA256 checksum.
  • Changed OSv / Java support:
    • The OSv/Java compiler in UniK will now build a unikernel from any .jar or .war file.
    • There are two options for building Java unikernels:
      • directly from a compiled fat .jar or .war file
      • using UniK to invoke the build on your Java sources (e.g. with mvn package or gradle build)
    • UniK now requires that a manifest.yaml file be present in the root directory of Java projects. See the OSv Java Compiler Documentation or the Getting Started with Java (New) for more information.

Tue, Jun 14 2016

  • Added QEMU as a provider.
    • Note that the QEMU provider does not provide bridged networking support. This means that QEMU instances will not be reachable from the host network.
    • The QEMU provider includes support for debugging unikernels with gdb. See the qemu provider docs for more information.

Tue, Jun 7 2016

This update features a merge of develop into master, which includes a large number of changes, all pushed as a single bundle of features and fixes. Future merges will be more granular.

Major Changes:

  • Added support for building Python unikernels on rumprun using Python 3.5
  • Boot Volumes are now mountable on rumprun unikernels
    • This enables UniK unikernels to serve static files (HTML, .js, etc.), as well as make scripting language-based unikernels (Javascript, Python) less memory-consumptive (as files no longer have to be loaded into memory at boot time).
    • Example fileservers available in docs/examples
  • Testing:
    • An integration test suite based on ginkgo has been added to UniK.
    • Tests are located in the pkg/client package, with helper functions and scripts in test.
    • To run tests, install go, ginkgo and gomega, and run 
      bash test/scripts/test_ginkgo.sh
      tests currently run against Virtualbox, and Virtualbox is therefore also required to run tests. Note that the tests assume host_only networking using vboxnet1. To change the VBox network used for tests, modify the values in test/scripts/test_ginkgo.sh
  • Container versioning:
    • UniK's dockerized dependencies (all projectunik containers) now use version tags.
    • The purpose of this is to keep older versions of UniK stable while permitting containers hosted on Docker Hub to be updated.
    • To upgrade containers, you only need to run
    git checkout master
git pull
make
    which will pull the latest versioned containers and recompile unik to utilize that version.

Minor Changes:

  • Increased timeout when waiting for instance listener UDP packet
  • Properly clean up build artifacts from unik build, unik run, unik create-volume
  • Fix formatting of CLI output
  • Do not auto-delete instances that do not reply to UDP broadcast before a specified timeout