[lib] Add support for kwollect scale_factor

lib/refrepo/gen/puppet/templates/kwollect-network.erb

@@ -23,6 +23,9 @@ neteq.fetch('metrics', []).each {|metric|
 <%- if metric['period'] == 0 -%>
   optional: true
 <%- end -%>
+<%- if metric.has_key?('scale_factor') -%>
+  scale_factor: <%= metric['scale_factor'] %>
+<%- end -%>
 
 <%-
       }
@@ -36,6 +39,9 @@ neteq.fetch('metrics', []).each {|metric|
 <%- if metric['period'] == 0 -%>
   optional: true
 <%- end -%>
+<%- if metric.has_key?('scale_factor') -%>
+  scale_factor: <%= metric['scale_factor'] %>
+<%- end -%>
 
 <%-
   end

lib/refrepo/gen/puppet/templates/kwollect-node.erb

@@ -25,6 +25,9 @@ cluster.fetch('metrics', []).each {|metric|
 <%- if metric['period'] == 0 -%>
   optional: true
 <%- end -%>
+<%- if metric.has_key?('scale_factor') -%>
+  scale_factor: <%= metric['scale_factor'] %>
+<%- end -%>
 
 <%-
 }