Add the sysprep message printing in the decorator

[snf-image-creator] / image_creator / os_type / freebsd.py

diff --git a/image_creator/os_type/freebsd.py b/image_creator/os_type/freebsd.py
index c2e1a5c..94b6a7c 100644 (file)
--- 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
@@ -31,10 +33,101 @@
 # interpreted as representing official policies, either expressed
 # or implied, of GRNET S.A.
 
-from image_creator.os_type.unix import Unix, exclude_task
+"""This module hosts OS-specific code for FreeBSD."""
+
+from image_creator.os_type.unix import Unix, sysprep
+
+import re
 
 
 class Freebsd(Unix):
-    pass
+    """OS class for FreeBSD Unix-like os"""
+
+    @sysprep("Cleaning up passwords & locking all user accounts")
+    def cleanup_password(self):
+        """Remove all passwords and lock 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())
+
+        #The original product name key is long and ugly
+        self.meta['DESCRIPTION'] = \
+            self.meta['DESCRIPTION'].split('#')[0].strip()
+
+        # Delete the USERS metadata if empty
+        if not len(self.meta['USERS']):
+            self.out.warn("No passworded users found!")
+            del self.meta['USERS']
+
+    def _get_passworded_users(self):
+        """Returns a list of non-locked user accounts"""
+        users = []
+        regexp = re.compile(
+            '^([^:]+):((?:![^:]+)|(?:[^!*][^:]+)|):(?:[^:]*:){7}(?:[^:]*)'
+        )
+
+        for line in self.g.cat('/etc/master.passwd').splitlines():
+            line = line.split('#')[0]
+            match = regexp.match(line)
+            if not match:
+                continue
+
+            user, passwd = match.groups()
+            if len(passwd) > 0 and passwd[0] == '!':
+                self.out.warn("Ignoring locked %s account." % user)
+            else:
+                users.append(user)
+
+        return users
+
+    def _do_mount(self, readonly):
+        """Mount partitions in the correct order"""
+
+        critical_mpoints = ('/', '/etc', '/root', '/home', '/var')
+
+        # 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:
+                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:
+                if mp in critical_mpoints:
+                    self.out.warn('unable to mount %s. Reason: %s' % (mp, msg))
+                    return False
+                else:
+                    self.out.warn('%s (ignored)' % msg)
+
+        return True
 
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