Correcting new postfix service

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 = 29b98e2f3ac937c1e4e73c43a562a2d0
+md5sum = 9f136d6c217f26e06f7437ceeb7b0c42
 
 [sendmail-script-template]
 recipe = hexagonit.recipe.download

software/davstorage/instance-davstorage.cfg

@@ -237,7 +237,7 @@ 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

@@ -4,12 +4,13 @@ import signal
 import time
 
 def handler(signum,frame):
-    subprocess.call("kill -9 `cat ${:pid-location}`")
+    pid_file = open("${:pid-location}","r")
+    pid = pid_file.read().strip()
+    subprocess.call(["kill", "-9", pid])
 
-subprocess.call("${:postfix-location} -c ${:postfix-config-dir} start")
+subprocess.call(["${:postfix-location}", "-c", "${:postfix-config-dir}", "start"])
 
-signal.signal(-1,handler)
+signal.signal(signal.SIGINT,handler)
 
 while True:
     time.sleep(120)
-    
\ No newline at end of file