X-Git-Url: https://code.grnet.gr/git/snf-image-creator/blobdiff_plain/71b0ab283eeef37c3d3ecd98fbafa6eaa50b58d8..8e58e69976b0d79f9b7758347c7bfce1ba9f6d8a:/image_creator/os_type/freebsd.py

diff --git a/image_creator/os_type/freebsd.py b/image_creator/os_type/freebsd.py
index 28d58bd..02bd8dc 100644
--- a/image_creator/os_type/freebsd.py
+++ b/image_creator/os_type/freebsd.py
@@ -1,3 +1,5 @@
+# -*- coding: utf-8 -*-
+#
 # Copyright 2012 GRNET S.A. All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or
@@ -31,6 +33,8 @@
 # interpreted as representing official policies, either expressed
 # or implied, of GRNET S.A.
 
+"""This module hosts OS-specific code for FreeBSD."""
+
 from image_creator.os_type.unix import Unix, sysprep
 
 import re
@@ -41,8 +45,36 @@ class Freebsd(Unix):
     def __init__(self, rootdev, ghandler, output):
         super(Freebsd, self).__init__(rootdev, ghandler, output)
 
-    def _do_collect_metadata(self):
+    @sysprep()
+    def cleanup_password(self, print_header=True):
+        """Remove all passwords and lock all user accounts"""
+
+        if print_header:
+            self.out.output("Cleaning up passwords & locking all user "
+                            "accounts")
+
+        master_passwd = []
+
+        for line in self.g.cat('/etc/master.passwd').splitlines():
+
+            # Check for empty or comment lines
+            if len(line.split('#')[0]) == 0:
+                master_passwd.append(line)
+                continue
+
+            fields = line.split(':')
+            if fields[1] not in ('*', '!'):
+                fields[1] = '!'
+
+            master_passwd.append(":".join(fields))
+
+        self.g.write('/etc/master.passwd', "\n".join(master_passwd) + '\n')
+
+        # Make sure no one can login on the system
+        self.g.rm_rf('/etc/spwd.db')
 
+    def _do_collect_metadata(self):
+        """Collect metadata about the OS"""
         super(Freebsd, self)._do_collect_metadata()
         self.meta["USERS"] = " ".join(self._get_passworded_users())
 
@@ -56,6 +88,7 @@ class Freebsd(Unix):
             del self.meta['USERS']
 
     def _get_passworded_users(self):
+        """Returns a list of non-locked user accounts"""
         users = []
         regexp = re.compile(
             '^([^:]+):((?:![^:]+)|(?:[^!*][^:]+)|):(?:[^:]*:){7}(?:[^:]*)'
@@ -80,18 +113,18 @@ class Freebsd(Unix):
 
         critical_mpoints = ('/', '/etc', '/root', '/home', '/var')
 
-        # libguestfs can't handle correct freebsd partitions on GUID
-        # Partition Table. We have to do the translation to linux
-        # device names ourselves
+        # libguestfs can't handle correct freebsd partitions on a GUID
+        # Partition Table. We have to do the translation to linux device names
+        # ourselves
         guid_device = re.compile('^/dev/((?:ada)|(?:vtbd))(\d+)p(\d+)$')
 
         mopts = "ufstype=ufs2,%s" % ('ro' if readonly else 'rw')
         for mp, dev in self._mountpoints():
             match = guid_device.match(dev)
             if match:
-                m2 = int(match.group(2))
-                m3 = int(match.group(3))
-                dev = '/dev/sd%c%d' % (chr(ord('a') + m2), m3)
+                group2 = int(match.group(2))
+                group3 = int(match.group(3))
+                dev = '/dev/sd%c%d' % (chr(ord('a') + group2), group3)
             try:
                 self.g.mount_vfs(mopts, 'ufs', dev, mp)
             except RuntimeError as msg:
@@ -103,32 +136,4 @@ class Freebsd(Unix):
 
         return True
 
-    @sysprep()
-    def cleanup_password(self, print_header=True):
-        """Remove all passwords and lock all user accounts"""
-
-        if print_header:
-            self.out.output("Cleaning up passwords & locking all user "
-                            "accounts")
-
-        master_passwd = []
-
-        for line in self.g.cat('/etc/master.passwd').splitlines():
-
-            # Check for empty or comment lines
-            if len(line.split('#')[0]) == 0:
-                master_passwd.append(line)
-                continue
-
-            fields = line.split(':')
-            if fields[1] not in ('*', '!'):
-                fields[1] = '!'
-
-            master_passwd.append(":".join(fields))
-
-        self.g.write('/etc/master.passwd', "\n".join(master_passwd) + '\n')
-
-        # Make sure no one can login on the system
-        self.g.rm_rf('/etc/spwd.db')
-
 # vim: set sta sts=4 shiftwidth=4 sw=4 et ai :