Add timeoutless haproxy configuration.

slapos/recipe/haproxy/__init__.py

@@ -67,8 +67,15 @@ class Recipe(GenericBaseRecipe):
     #      is not an issue if you have more than (maxqueue * node_quantity) requests
     #      because haproxy will handle a top-level queue
 
+    if self.options.get('no-timeout', ''):
+      snippet_filename = self.getTemplateFilename(
+                                      'haproxy-no-timeout-server-snippet.cfg.in')
+      template_filename = self.getTemplateFilename('haproxy-no-timeout.cfg.in')
+    else:
       snippet_filename = self.getTemplateFilename(
                                       'haproxy-server-snippet.cfg.in')
+      template_filename = self.getTemplateFilename('haproxy.cfg.in')
+
     # Prepare all filestorages
     server_snippet = ""
     i = 0
@@ -87,7 +94,6 @@ class Recipe(GenericBaseRecipe):
         port=self.options['port'],
         server_text=server_snippet,
         server_check_path=self.options['server-check-path'],)
-    template_filename = self.getTemplateFilename('haproxy.cfg.in')
     configuration_path = self.createFile(
         self.options['conf-path'],
         self.substituteTemplate(template_filename, config))

slapos/recipe/haproxy/template/haproxy-no-timeout-server-snippet.cfg.in

+  server %(name)s %(address)s cookie %(name)s check inter 3s rise 1 fall 2 maxqueue 1 maxconn %(cluster_zope_thread_amount)s
+

slapos/recipe/haproxy/template/haproxy-no-timeout.cfg.in

+global
+  maxconn 4096
+
+defaults
+  log global
+  mode  http
+  option  httplog
+  option  dontlognull
+  retries 1
+  option redispatch
+  maxconn 2000
+  # Do not accept connection longer than 30s
+  timeout server 30s
+  # Do not wait in queue for a zope to become available.
+  timeout queue 0s
+  # The connection should be immediate on the same partition,
+  timeout connect 1s
+  # As requested in haproxy doc, make this "at least equal to timeout server".
+  timeout client 30s
+  # Use "option forceclose" to not preserve client & server persistent connections
+  # while handling every incoming request individually, dispatching them one after
+  # another to servers, in HTTP close mode. This is really needed when haproxy
+  # is configured with maxconn to 1, without this options browser are unable
+  # to render a page
+  option forceclose
+
+listen %(name)s %(ip)s:%(port)s
+  cookie  SERVERID insert
+  balance roundrobin
+
+%(server_text)s
+
+  option httpchk GET %(server_check_path)s
+
+  stats uri /haproxy
+  stats realm Global\ statistics