diff --git a/software/netdrive-reporter/software.cfg b/software/netdrive-reporter/software.cfg
index 3fcd0cfe773ebee9e5a2326729572ddcdd16e3d9..e959e3e1dc3c0e4970ca9759bdae2faf4ea98c0d 100644
--- a/software/netdrive-reporter/software.cfg
+++ b/software/netdrive-reporter/software.cfg
@@ -1,11 +1,25 @@
 [buildout]
 extends =
    ../../stack/slapos.cfg
+   ../../component/git/buildout.cfg
 
 parts =
   slapos-cookbook
   netdrive-usage-report
   instance-template
+  slapos.core-repository
+  check-recipe
+
+develop =
+  ${:parts-directory}/slapos.core-repository
+
+
+[slapos.core-repository]
+recipe = slapos.recipe.build:gitclone
+repository = http://git.erp5.org/repos/slapos.core.git
+branch = httplib2
+git-executable = ${git:location}/bin/git
+
 
 [netdrive-usage-report]
 recipe = zc.recipe.egg
@@ -21,3 +35,161 @@ recipe = slapos.recipe.template
 url = ${:_profile_base_location_}/instance.cfg.in
 output = ${buildout:directory}/instance.cfg
 mode = 0644
+
+
+[check-recipe]
+recipe = plone.recipe.command
+stop-on-error = true
+update-command = ${:command}
+command =
+  grep parts ${buildout:develop-eggs-directory}/slapos.core.egg-link
+
+
+[versions]
+slapos.core =
+
+
+[networkcache]
+# signature certificates of the following uploaders.
+#   Romain Courteaud
+#   Sebastien Robin
+#   Kazuhiko Shiozaki
+#   Cedric de Saint Martin
+#   Yingjie Xu
+#   Gabriel Monnerat
+#   艁ukasz Nowak
+#   Test Agent (Automatic update from tests)
+#   Aur茅lien Calonne
+#   Marco Mariani
+signature-certificate-list =
+  -----BEGIN CERTIFICATE-----
+  MIIB4DCCAUkCADANBgkqhkiG9w0BAQsFADA5MQswCQYDVQQGEwJGUjEZMBcGA1UE
+  CBMQRGVmYXVsdCBQcm92aW5jZTEPMA0GA1UEChMGTmV4ZWRpMB4XDTExMDkxNTA5
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+  q7jdfWO18Zp/BG7tagz0jmmC4y/8akzHsVlruo2+2du2freE8dK746uoMlXlP93g
+  QUUGLQ==
+  -----END CERTIFICATE-----
+  -----BEGIN CERTIFICATE-----
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+  -----BEGIN CERTIFICATE-----
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+  -----BEGIN CERTIFICATE-----
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+