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rkt v0.16.0 is yet another incremental release with some small UX changes, bash completion and misc improvements.

New features and UX changes

  • Explicitly allow http connections via a new 'http' option to --insecure-options (#1945). Any data and credentials will be sent in the clear.
  • When using bash, rkt commands can be auto-completed (#1955).
  • The executables given on the command line via the --exec parameters don't need to be absolute paths anymore (#1953). This change reflects an update in the appc spec since v0.7.2. See rkt's rkt run --exec documentation.
  • Add a --full flag to rkt fetch so it returns full hash of the image (#1976).
  • There is a new global flag for specifying the user configuration directory, --user-config. It overrides whatever is configured in system and local configuration directories. It can be useful for specifying different credentials for fetching images without putting them in a globally visible directory like /etc/rkt. See rkt's Global Options documentation (#1981).
  • As a temporary fix, search for network plugins in the local configuration directory too (#2005).
  • Pass the environment defined in the image manifest to the application when using the fly stage1 image (#1989).

Build improvements

  • Fix vagrant rkt build (#1960).
  • Switch to using unrewritten imports, this will allow rkt packages to be cleanly vendored by other projects (#2014).

API service

  • Allow filtering images by name (#1985).

Bug fixes

  • Fix bug where the wrong image signature was checked when using dependencies (#1991).

Test improvements

  • A new script to run test on AWS makes it easier to test under several distributions: CentOS, Debian, Fedora, Ubuntu (#1925).
  • The functional tests now skip user namespace tests when user namespaces do not work (#1947).
  • Check that rkt is not built with go 1.5.{0,1,2} to make sure it's not vulnerable to CVE-2015-8618 (#2006).

Other changes

  • Cleanups in the kvm stage1 (#1895).
  • Document stage1 filesystem layout for developers (#1832).

Note for packagers

With this release, rkt RPM/dpkg packages should have the following updates:

  • Install the new file dist/bash_completion/rkt.bash in /etc/bash_completion.d/.