--- a/bin/pvl.hosts-import	Mon Dec 16 20:25:32 2013 +0200
+++ b/bin/pvl.hosts-import	Mon Dec 16 20:32:16 2013 +0200
@@ -48,6 +48,9 @@
     parser.add_option('--import-dhcp-hosts',    metavar='FILE',
             help="Load hosts from DHCP config")
 
+    parser.add_option('--import-dhcp-boot-server',      metavar='NEXT-SERVER',
+            help="Default boot_server for dpc hosts")
+
     parser.add_option('--zone-comments-default-owner',  action='store_const',
             dest='zone_comments_default', const='owner',
             help="Import DNS zone comment as owner comment")
@@ -127,6 +130,9 @@
     ethernet = []
     fixed_address = None
 
+    boot_server = options.import_dhcp_boot_server
+    boot_filename = None
+
     for item in items :
         item, args = item[0], item[1:]
 
@@ -142,6 +148,10 @@
                 hostname, = args
             else :
                 log.warn("host %s: ignore unknown option: %s", host, option)
+        elif item == 'next-sever' :
+            boot_server, = args
+        elif item == 'filename' :
+            boot_filename, = args
         else :
             log.warn("host %s: ignore unknown item: %s", host, item)
 
@@ -156,12 +166,21 @@
     if fixed_address and not re.match(r'\d+\.\d+\.\d+.\d+', fixed_address) :
         hostname, domain = fixed_address.split('.', 1)
 
+    if not (hostname or ethernet) :
+        log.warn("%s: no hostname/ethernet: %s/%s", host, hostname, ethernet)
+        return
+        
+    yield hostname, 'ethernet', ethernet
     #if suffix :
     #    yield hostname, ('ethernet', suffix), ethernet
-    if hostname and ethernet :
-        yield hostname, 'ethernet', ethernet
-    else :
-        log.warn("%s: no hostname/ethernet: %s/%s", host, hostname, ethernet)
+
+    if boot_server and boot_filename :
+        yield hostname, 'boot', "{server}:{filename}".format(
+                server      = boot_server,
+                filename    = boot_filename,
+        )
+    elif boot_filename :
+        yield hostname, 'boot', "{filename}".format(filename=boot_filename)
 
 def import_dhcp_hosts (options, blocks) :
     """
@@ -183,7 +202,7 @@
                 for info in import_dhcp_host(options, host, items) :
                     yield info
             except ValueError as error :
-                log.warn("%s: invalid host: %s", host, error)
+                log.exception("%s: invalid host: %s", host, error)
         else:
             log.warn("ignore unknown block: %s", block)
 
@@ -443,6 +462,7 @@
                 ('ethernet',        None),
                 ('owner',           u"\t{field:15} = {value} # {fields[comment-owner][0]}"),
                 ('alias',           None),
+                ('boot',            None),
         ) :
             if not fmt :
                 fmt = u"\t{field:15} = {value}"