This adds defined anchor points for external modules to hook into the
software install, config and service dependency chain. This allows
external modules to manage software installation (virtualenv,
containers, etc) and service management (pacemaker) without needing rely
on resources that may change or be renamed.
Change-Id: Ibc184a50cf16b7048e0f7249f8894d8661bb76fe
This patch changes the default worker count from ::processorcount to the
new ::os_workers fact. ::os_workers is based on the number of processors
(currently cpu/4) but is capped at a maximum of 8 worker processors.
This is a much more reasonable default in general and prevents excessive
resource consumption on systems with a large number of CPUs.
Change-Id: Id7c5f3df32b4f350d93ed85b6293fe69e64c2cc3