davstorage: Changed postfix service to python script

software/davstorage/common.cfg

@@ -85,7 +85,7 @@ mode = 0644
 [instance-davstorage]
 recipe = slapos.recipe.template
 url = ${:_profile_base_location_}/instance-davstorage.cfg
-md5sum = 7f3be7bf2b4de1624b990846c5712c44
+md5sum = 26ff128c6d5b999596002ef1d97ad8fb
 output = ${buildout:directory}/template-davstorage.cfg
 mode = 0644
 
@@ -120,7 +120,7 @@ url = ${:_profile_base_location_}/templates/${:filename}
 filename = postfix.in
 download-only = true
 mode = 0755
-md5sum = 94799688bf95fb16b86972a23df13af2
+md5sum = 9f136d6c217f26e06f7437ceeb7b0c42
 
 [sendmail-script-template]
 recipe = hexagonit.recipe.download

software/davstorage/instance-davstorage.cfg

@@ -231,11 +231,13 @@ md5sum = f681c0a0a17f4b2a0896b952e53239ed
 [postfix-service]
 recipe = slapos.recipe.template
 url = ${postfix-service-template:location}/${postfix-service-template:filename}
+python-location = ${python2.7:executable}
 postfix-location = ${postfix:location}/usr/sbin/postfix
 postfix-config-dir = $${directory:postfix-conf}
+pid-location = $${directory:pid}/master.pid
 output = $${basedirectory:services}/postfix
 mode = 0755
-md5sum = 94799688bf95fb16b86972a23df13af2
+md5sum = 9f136d6c217f26e06f7437ceeb7b0c42
 
 [sendmail-script]
 recipe = slapos.recipe.template

software/davstorage/templates/postfix.in

-#!/bin/sh
-${:postfix-location} -c ${:postfix-config-dir} start
+#!${:python-location}
+import subprocess
\ No newline at end of file
+import signal
+import time
+
+def handler(signum,frame):
+    pid_file = open("${:pid-location}","r")
+    pid = pid_file.read().strip()
+    subprocess.call(["kill", "-9", pid])
+
+subprocess.call(["${:postfix-location}", "-c", "${:postfix-config-dir}", "start"])
+
+signal.signal(signal.SIGINT,handler)
+
+while True:
+    time.sleep(120)