New promise to check page content for lamp

setup.py

@@ -49,6 +49,7 @@ setup(name=name,
           'certificate_authority.request = slapos.recipe.certificate_authority:Request',
           'check_port_listening = slapos.recipe.check_port_listening:Recipe',
           'check_url_available = slapos.recipe.check_url_available:Recipe',
+          'check_page_content = slapos.recipe.check_page_content:Recipe',
           'cloud9 = slapos.recipe.cloud9:Recipe',
           'cron = slapos.recipe.dcron:Recipe',
           'cron.d = slapos.recipe.dcron:Part',

slapos/recipe/check_page_content/__init__.py

+##############################################################################
+#
+# Copyright (c) 2011 Vifib SARL and Contributors. All Rights Reserved.
+#
+# WARNING: This program as such is intended to be used by professional
+# programmers who take the whole responsibility of assessing all potential
+# consequences resulting from its eventual inadequacies and bugs
+# End users who are looking for a ready-to-use solution with commercial
+# guarantees and support are strongly adviced to contract a Free Software
+# Service Company
+#
+# This program is Free Software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 3
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+#
+##############################################################################
+from slapos.recipe.librecipe import GenericBaseRecipe
+import sys
+
+class Recipe(GenericBaseRecipe):
+  """
+  Create script that will check if content at "url" is available 
+  (e.g page has a link to itself).
+  """
+
+  def install(self):
+    config = {
+      'url': self.options['url'],
+      'shell_path': self.options['dash_path'],
+      'curl_path': self.options['curl_path'],
+    }
+
+    # XXX-Cedric in this script, curl won't check certificate
+    promise = self.createExecutable(
+      self.options['path'],
+      self.substituteTemplate(self.getTemplateFilename('check_page_content.in'), config)
+    )
+
+    return [promise]

slapos/recipe/check_page_content/template/check_page_content.in

+#!%(shell_path)s
+# BEWARE: This file is operated by slapgrid
+# BEWARE: It will be overwritten automatically
+
+URL="%(url)s"
+
+if [ -z $URL ]; then
+  echo "No URL specified." >&2
+  exit 3
+fi
+
+%(curl_path)s -k -sL $URL | grep "$URL" > /dev/null
+
+if [ $? != 0 ]; then
+  echo "Content at $URL seems to be corrupted" >&2
+  exit 1
+fi

stack/lamp/buildout.cfg

@@ -66,7 +66,7 @@ mode = 0644
 recipe = slapos.recipe.template
 url = ${:_profile_base_location_}/instance-apache-php.cfg
 output = ${buildout:directory}/template-apache-php.cfg
-md5sum = 8bb0b03689d2be9566ed1ef3e96b4403
+md5sum = 159c5326e6faff2ba9c1f52b113c01fa
 mode = 0644
 
 [template-apache-backup]

stack/lamp/instance-apache-php.cfg

@@ -12,6 +12,7 @@ parts =
   slapmonitor
   slapreport
   frontend-promise
+  content-promise
   publish-connection-informations
 
 eggs-directory = ${buildout:eggs-directory}
@@ -256,6 +257,12 @@ url = $${request-frontend:connection-site_url}
 dash_path = ${dash:location}/bin/dash
 curl_path = ${curl:location}/bin/curl
 
+[content-promise]
+recipe = slapos.cookbook:check_page_content
+path = $${basedirectory:promises}/content
+url = $${request-frontend:connection-site_url}
+dash_path = ${dash:location}/bin/dash
+curl_path = ${curl:location}/bin/curl
 
 [slap-parameter]
 # Default value if no domain is specified