Added mariadb promise to erp5 software release

stack/erp5/buildout.cfg

@@ -187,7 +187,7 @@ context =
 [template-mariadb]
 < = template-jinja2-base
 filename = instance-mariadb.cfg
-md5sum = bcaee4e52a4332451b15fb38ecb12a2b
+md5sum = 0e8e9bfc8c8a5f1bd71f5c4f346ef68b
 extra-context =
     key coreutils_location coreutils:location
     key dcron_location dcron:location

stack/erp5/instance-mariadb.cfg.in

@@ -8,6 +8,7 @@ parts =
   cron-entry-logrotate
   cron-entry-mariadb-backup
   binary-link
+  promise
 
 eggs-directory = {{ eggs_directory }}
 develop-eggs-directory = {{ develop_eggs_directory }}
@@ -156,6 +157,7 @@ bin = ${buildout:directory}/bin
 recipe = slapos.cookbook:mkdirectory
 log = ${rootdirectory:var}/log
 services = ${rootdirectory:etc}/run
+promise = ${rootdirectory:etc}/promise
 run = ${rootdirectory:var}/run
 backup = ${rootdirectory:srv}/backup
 
@@ -171,3 +173,8 @@ mariadb-data = ${rootdirectory:srv}/mariadb
 logrotate-backup = ${basedirectory:backup}/logrotate
 logrotate-entries = ${rootdirectory:etc}/logrotate.d
 
+[promise]
+recipe = slapos.cookbook:check_port_listening
+path = ${basedirectory:promise}/mariadb
+hostname = ${mariadb-instance:ip}
+port = ${mariadb-instance:port}