Rename diagnose to inspect

[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 a9f8fa8..145be3e 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
@@ -31,16 +33,44 @@
 # interpreted as representing official policies, either expressed
 # or implied, of GRNET S.A.
 
-from image_creator.os_type.unix import Unix
+"""This module hosts OS-specific code for FreeBSD."""
+
+from image_creator.os_type.unix import Unix, sysprep
 
 import re
 
 
 class Freebsd(Unix):
     """OS class for FreeBSD Unix-like os"""
-    def __init__(self, rootdev, ghandler, output):
-        super(Freebsd, self).__init__(rootdev, ghandler, output)
 
+    @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.image.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.image.g.write(
+            '/etc/master.passwd', "\n".join(master_passwd) + '\n')
+
+        # Make sure no one can login on the system
+        self.image.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
@@ -52,13 +82,26 @@ class Freebsd(Unix):
             self.out.warn("No passworded users found!")
             del self.meta['USERS']
 
+    def _do_inspect(self):
+        """Run various diagnostics to check if media is supported"""
+
+        self.out.output('Checking partition table type...', False)
+        ptype = self.image.g.part_get_parttype(self.image.guestfs_device)
+        if ptype != 'gpt':
+            self.out.warn("partition table type is: `%s'" % ptype)
+            self.image.set_unsupported(
+                'On FreeBSD only GUID partition tables are supported')
+        else:
+            self.out.success(ptype)
+
     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():
+        for line in self.image.g.cat('/etc/master.passwd').splitlines():
             line = line.split('#')[0]
             match = regexp.match(line)
             if not match:
@@ -72,4 +115,32 @@ class Freebsd(Unix):
 
         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(r'^/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.image.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
+
 # vim: set sta sts=4 shiftwidth=4 sw=4 et ai :