This ps updates the nagios chart to use endpoint port lookups for
port configuration, bringing it in line with the other charts
Change-Id: I500b4741d50132f6c316ded660981e2af8b71e7a
This adds the nagios chart to osh-infra to provide additional
monitoring functionality. It uses helper functions to consume
yaml definitions for services, commands, hosts and hostgroups
to generate the required configurations for those entities in
nagios's configuration
Change-Id: I6238bb8cb1e5c8dc48594ddea50693f3e7b0a176