+#### `version_major`
+
+The OpenDaylight major (element) version number of the release to build.
+
+For example, Hydrogen is 1.x.x, Helium is 2.x.x, Lithium is 3.x.x and
+so on down the periodic table.
+
+#### `version_minor`
+
+The OpenDaylight minor (SR) version number of the release to build.
+
+#### `version_patch`
+
+The OpenDaylight patch version of the release to build.
+
+#### `pkg_version`
+
+Debian revision for the given ODL major.minor.patch version.
+
+In addition to OpenDaylight's version, .debs themselves have versions. These
+are called "debian revisions". For a given OpenDaylight major.minor.patch
+version, there will be one or more major.minor.patch-pkg_version .debs.
+
+#### `sysd_commit`
+
+Version of ODL systemd unitfile to download and package in ODL .deb.
+
+The version of OpenDaylight's systemd unitfile, specified by the
+git commit hash, is downloaded from the [Int/Pack repo][16] and
+consumed by OpenDaylight's Deb builds.
+
+#### `codename`
+
+Elemental codename for the ODL release, including SR if applicable.
+
+Examples include "Helium-SR4", "Lithium" and "Lithium-SR1".
+
+#### `download_url`
+
+The ODL Deb repackages the tarball build artifact produced by ODL's
+autorelease build. This is the URL to the tarball ODL build to repackage
+into a Debian package.
+
+#### `java_version`
+
+Java dependency for specific ODL builds
+
+#### `changelog`
+
+Entry in the debian/changelog file for specific .deb.