Setup pithos with oa2 secret of conf files

This was forgotten when we removed the hard-coded secret.
Signed-off-by: Dimitris Aragiorgis <dimara@grnet.gr>

snf-deploy/files/etc/synnefo/pithos.conf

@@ -13,4 +13,4 @@ PITHOS_USER_LOGIN_URL = 'https://%ACCOUNTS%/login/'
 PITHOS_BASE_URL = 'https://%PITHOS%/pithos'
 ASTAKOS_AUTH_URL = 'https://%ACCOUNTS%/astakos/identity/v2.0'
 
-PITHOS_OAUTH2_CLIENT_CREDENTIALS = ('pithos-view', '12345')
+PITHOS_OAUTH2_CLIENT_CREDENTIALS = ('pithos-view', '%OA2_SECRET%')

snf-deploy/snfdeploy/fabfile.py

@@ -865,6 +865,7 @@ def setup_pithos():
         "synnefo_db_passwd": env.env.synnefo_db_passwd,
         "pithos_dir": env.env.pithos_dir,
         "PITHOS_SERVICE_TOKEN": service_token,
+        "oa2_secret": env.env.oa2_secret,
         }
     custom = customize_settings_from_tmpl(tmpl, replace)
     try_put(custom, tmpl, mode=0644)