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Specifying useful package fields has been historically pretty lazy since most systems have been built as self-contained images without dynamic package updates. This commit hopes to improve the situation. The recommended package organization for ONL and for systems built with ONL as the base follow the pattern of $project/packages/base/$arch/* and $project/packages/platforms/$vendor/$arch/ The heirarchy of directories in which the packages reside also provide a natural inheritence heirarchy for debian package fields. This property is now exploited to allow default package keys to be specified base on their location in the filesystem heirarchy as follows: Before a PKG.yml file is evaluated its parent directory heirarchy is traversed looking for either or both of these files: PKG_DEFAULTS.yml -- This is an onlyaml file which can specify the values of package keys. PKG_DEFAULTS -- If this file is executable it is expected to output valid yaml containing package keys. All of these values are then combined in reverse order to provide a default dict for the package. Example usages: - Fields global to all packages in the project (like Vendor, Maintainer, Version [for coherent builds], maintainer, etc) can be specified in the top-most PKG_DEFAULTS. - Archicture can be specified in the $arch/PKG_DEFAULTS. - Platform Vendors can specify their information at the top of their platform directory. By specifying your own PKG_DEFAULTS you can coexist the ONL versions and your own version without ineheriting any of the defaults from ONL itself. These are only the defaults for keys not specified in the PKG file. You can still obviously override every field in each package declaration. The ONL package files will be updated in a separate commit to use this new hierarchical approach. Package version numbers, copyrights, and general information fields have all
Open Network Linux
Check out the main/offical website at http://opennetlinux.org .
Open Network Linux (ONL) is a Linux distribution for bare metal switches. ONL builds an ONIE-compatible installer and a switch image which contains a complete Debian distribution with added drivers and configuration for running on bare metal switches.
Software License
Licenses for the software are described under the LICENSE file. Download or use of the software implies consent.
Documentation
- docs/Building.md Instructions for building ONL from scratch.
Please see the docs directory for additional information.
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