##
## THIS FILE IS UNDER PUPPET CONTROL. DON'T EDIT IT HERE.
## USE: git clone git+ssh://$USER@puppet.debian.org/srv/puppet.debian.org/git/dsa-puppet.git
##

<%=

lines = []

lines << "# This file has been autogenerated and pushed by puppet.  Edit static-components.yaml in puppet."
lines << "# <master> <service> <source host> <directory> <extra push hosts, comma separated> <hosts to not mirror this component to>"

# this is the list of static mirrors, or, technically, the list of
# nodes with the roles::static_mirror class applied to it. this should
# be populated from outside the template from PuppetDB, see:
# modules/roles/manifests/static_base.pp
mirrors = @static_mirrors

config = YAML.load(File.open('/etc/puppet/modules/roles/misc/static-components.yaml').read)


config['mirrors'].each do |mirror, mc|
	if not mirrors.include?(mirror)
		fail("static-components.yaml defines mirror #{mirror} but we do not know of it")
	end
end

config['components'].each_pair do |component_name, component_conf|
	%w{exclude-mirrors extra-push limit-mirrors}.each do |key|
		component_conf[key] = [] unless component_conf.has_key?(key)
	end

	srchost, srcpath = component_conf['source'].split(':', 2)

	if not component_conf['exclude-mirrors'].empty? and \
	   not component_conf['limit-mirrors'].empty? then
		fail("Component #{component_name} specifies both exclude-mirrors and limit-mirrors.")
	end

	# In the end, we care about an exclude list, so let's invert limit-mirror and turn it into an exclude list
	if not component_conf['limit-mirrors'].empty? then
		component_conf['exclude-mirrors'] = mirrors.select do |m|
			not component_conf['limit-mirrors'].include?(m)
		end
	end

	# mirrors may also specify limits as components-include (thus excluding all others).  Apply this
	config['mirrors'].each do |mirror, mc|
		mirror_components_include = mc.fetch('components-include', [])
		next if mirror_components_include.empty?

		if not mirror_components_include.include?(component_name)
			next if component_conf['exclude-mirrors'].include?(mirror) # do not exclude twice
			component_conf['exclude-mirrors'] << mirror
		end
	end

	exclude = component_conf['exclude-mirrors'].sort().join(',')
	exclude = '-' if exclude == ""
	extrapush = component_conf['extra-push'].sort().join(',')
	extrapush = '-' if extrapush == ""

	lines << "#{component_conf['master']} #{component_name} #{srchost} #{srcpath} #{extrapush} #{exclude}"
end
lines.join("\n")
%>