add attributes for max_processes, max_graph_jobs, and max_cgi_graph_jobs

README.md

@@ -44,6 +44,9 @@ Attributes
 * `node['munin']['server_role']` - role of the munin server. Default is monitoring.
 * `node['munin']['docroot']` - document root for the server apache vhost. on archlinux, the default is `/srv/http/munin`, or `/var/www/munin` on other platforms.
 * `node['munin']['web_server']` - supports apache or nginx, default is "apache"
+* `node['munin']['max_processes']` - Maximum number of simultaneous Munin-update processes. When not set, munin will use as many as necessary. Default is to use as many as necessary.
+* `node['munin']['max_graph_jobs']` - Maximum number of parallel processes used by munin-graph when calling rrdgraph, default is "6"
+* `node['munin']['max_cgi_graph_jobs']` - Maximum number of parallel munin-cgi-graph or munin-fastcgi-graph jobs, default is "6"
 
 Recipes
 =======

attributes/default.rb

@@ -52,3 +52,6 @@
 
 default['munin']['plugins'] = "#{default['munin']['basedir']}/plugins"
 default['munin']['tmpldir'] = "#{default['munin']['basedir']}/templates"
+default['munin']['max_graph_jobs'] = "6"
+default['munin']['max_cgi_graph_jobs'] = "6"
+default['munin']['max_processes'] = nil # use as many as necessary

templates/default/munin.conf.erb

@@ -13,10 +13,17 @@ contact.<%= kind %>.contact  <%= command %>
 # Where to look for the HTML templates
 tmpldir <%= node['munin']['tmpldir'] %>
 
+<% if node['munin']['max_processes'] %>
+max_processes <%= node['munin']['max_processes'] %>
+<% end %>
+max_graph_jobs <%= node['munin']['max_graph_jobs'] %>
+max_cgi_graph_jobs <%= node['munin']['max_cgi_graph_jobs'] %>
+
 # a simple host tree
 <% @munin_nodes.each do |system| -%>
 [<%= system[:hostname] %>]
     address <%= system[:ipaddress] %>
     use_node_name yes
 
 <% end -%>
+