slapformat creates partition_pki if needed

slapos/format.py

@@ -43,6 +43,8 @@ import subprocess
 import sys
 import time
 
+from slapos.util import mkdir_p
+
 class OS(object):
   _os = os
 
@@ -1014,6 +1016,9 @@ def run(config):
   computer.construct(alter_user=config.alter_user,
       alter_network=config.alter_network, create_tap=config.create_tap)
 
+  if getattr(config, 'certificate_repository_path'):
+    mkdir_p(config.certificate_repository_path, mode=0o700)
+
   # Dumping and sending to the erp5 the current configuration
   if not config.dry_run:
     computer.dump(config.computer_xml)

slapos/util.py

+# -*- coding: utf-8 -*-
+
+import os, errno
+
+def mkdir_p(path, mode=0o777):
+    """\
+    Creates a directory and its parents, if needed.
+
+    NB: If the directory already exists, it does not change its permission.
+    """
+
+    try:
+        os.makedirs(path, mode)
+    except OSError as exc:
+        if exc.errno == errno.EEXIST and os.path.isdir(path):
+            pass
+        else:
+            raise
+