erp5: promise to wait for apache testrunner URL to be returned

Otherwise instanciation can finish too early.

stack/erp5/buildout.hash.cfg

@@ -74,7 +74,7 @@ md5sum = d41d8cd98f00b204e9800998ecf8427e
 
 [template-erp5]
 filename = instance-erp5.cfg.in
-md5sum = b326c11f013b459c3d1b49c5f1c68e8b
+md5sum = cb61073c6696f286f5da8a355ebc4335
 
 [template-zeo]
 filename = instance-zeo.cfg.in
@@ -82,7 +82,7 @@ md5sum = 3e650915959ff31c9c13c84069bbcd35
 
 [template-zope]
 filename = instance-zope.cfg.in
-md5sum = 61899bbe151ce7d86ff1c08d280c5689
+md5sum = 5c5f193fb30837327bea361172c5dc96
 
 [template-balancer]
 filename = instance-balancer.cfg.in

stack/erp5/instance-erp5.cfg.in

@@ -345,7 +345,7 @@ deadlock-debugger-password = {{ dumps(deadlock_debugger_password) }}
 
 [default-balancer-test-runner-url-list]
 recipe =
-default = {{ dumps(["ERROR: not published yet"]) }}
+default = not-ready
 
 [gen-password]
 recipe = slapos.cookbook:generate.password

stack/erp5/instance-zope.cfg.in

@@ -160,6 +160,15 @@ command-line-extra =
  {% endfor -%}
   --zserver_address_list '{{ ','.join(zserver_address_list) }}'
   --zserver_frontend_url_list '{{ ','.join(slapparameter_dict['test-runner-apache-url-list']) }}'
+
+[{{ section("promise-test-runner-apache-url") }}]
+# promise to wait for apache partition to have returned the parameter
+recipe = slapos.cookbook:check_parameter
+value = {{ slapparameter_dict['test-runner-apache-url-list'] }}
+expected-not-value = not-ready
+path = ${directory:promises}/${:_buildout_section_name_}
+expected-value =
+
 {%- endif %}
 {%- endif %}