X-Git-Url: https://code.grnet.gr/git/snf-image-creator/blobdiff_plain/979096ddfddb0cc13151c7e223be64e80ec8db44..f8cccab5464e07d05e2295e38669676b9f2aa543:/image_creator/os_type/linux.py

diff --git a/image_creator/os_type/linux.py b/image_creator/os_type/linux.py
index 7a6fab1..e38e777 100644
--- a/image_creator/os_type/linux.py
+++ b/image_creator/os_type/linux.py
@@ -31,16 +31,15 @@
 # interpreted as representing official policies, either expressed
 # or implied, of GRNET S.A.
 
-from image_creator.os_type.unix import Unix
-from image_creator.util import warn, output
+from image_creator.os_type.unix import Unix, sysprep
 
 import re
 import time
 
 
 class Linux(Unix):
-    def __init__(self, rootdev, ghandler):
-        super(Linux, self).__init__(rootdev, ghandler)
+    def __init__(self, rootdev, ghandler, output):
+        super(Linux, self).__init__(rootdev, ghandler, output)
         self._uuid = dict()
         self._persistent = re.compile('/dev/[hsv]d[a-z][1-9]*')
 
@@ -56,20 +55,21 @@ class Linux(Unix):
                 self._uuid[dev] = attr[1]
                 return attr[1]
 
-    def sysprep_acpid(self, print_header=True):
+    @sysprep()
+    def fix_acpid(self, print_header=True):
         """Replace acpid powerdown action scripts to immediately shutdown the
         system without checking if a GUI is running.
         """
 
         if print_header:
-            output('Fixing acpid powerdown action')
+            self.out.output('Fixing acpid powerdown action')
 
         powerbtn_action = '#!/bin/sh\n\nPATH=/sbin:/bin:/usr/bin\n' \
                                 'shutdown -h now \"Power button pressed\"\n'
 
         events_dir = '/etc/acpi/events'
         if not self.g.is_dir(events_dir):
-            warn("No acpid event directory found")
+            self.out.warn("No acpid event directory found")
             return
 
         event_exp = re.compile('event=(.+)', re.I)
@@ -94,42 +94,71 @@ class Linux(Unix):
             if event.strip() == "button[ /]power":
                 if action:
                     if not self.g.is_file(action):
-                        warn("Acpid action file: %s does not exist" % action)
+                        self.out.warn("Acpid action file: %s does not exist" %
+                                                                        action)
                         return
                     self.g.copy_file_to_file(action, \
                       "%s.orig.snf-image-creator-%d" % (action, time.time()))
                     self.g.write(action, powerbtn_action)
                     return
                 else:
-                    warn("Acpid event file %s does not contain and action")
+                    self.out.warn(
+                            "Acpid event file %s does not contain and action")
                     return
             elif event.strip() == ".*":
-                warn("Found action `.*'. Don't know how to handle this." \
-                    " Please edit \%s' image file manually to make the " \
+                self.out.warn(
+                    "Found action `.*'. Don't know how to handle this. " \
+                    "Please edit \%s' image file manually to make the " \
                     "system immediatelly shutdown when an power button acpi " \
                     "event occures" % action)
                 return
 
-    def sysprep_persistent_net_rules(self, print_header=True):
+    @sysprep()
+    def remove_persistent_net_rules(self, print_header=True):
         """Remove udev rules that will keep network interface names persistent
         after hardware changes and reboots. Those rules will be created again
         the next time the image runs.
         """
 
         if print_header:
-            output('Removing persistent network interface names')
+            self.out.output('Removing persistent network interface names')
 
         rule_file = '/etc/udev/rules.d/70-persistent-net.rules'
         if self.g.is_file(rule_file):
             self.g.rm(rule_file)
 
-    def sysprep_persistent_devs(self, print_header=True):
-        """Scan fstab and grub configuration files and replace all
-        non-persistent device appearences with UUIDs.
+    @sysprep()
+    def remove_swap_entry(self, print_header=True):
+        """Remove swap entry from /etc/fstab. If swap is the last partition
+        then the partition will be removed when shrinking is performed. If the
+        swap partition is not the last partition in the disk or if you are not
+        going to shrink the image you should probably disable this.
         """
 
         if print_header:
-            output('Replacing fstab & grub non-persistent device appearences')
+            self.out.output('Removing swap entry from fstab')
+
+        new_fstab = ""
+        fstab = self.g.cat('/etc/fstab')
+        for line in fstab.splitlines():
+
+            entry = line.split('#')[0].strip().split()
+            if len(entry) == 6 and entry[2] == 'swap':
+                continue
+
+            new_fstab += "%s\n" % line
+
+        self.g.write('/etc/fstab', new_fstab)
+
+    @sysprep()
+    def use_persistent_block_device_names(self, print_header=True):
+        """Scan fstab & grub configuration files and replace all non-persistent
+        device appearences with UUIDs.
+        """
+
+        if print_header:
+            self.out.output(
+                    'Replacing fstab & grub non-persistent device appearences')
 
         # convert all devices in fstab to persistent
         persistent_root = self._persistent_fstab()
@@ -191,7 +220,7 @@ class Linux(Unix):
 
         entry = line.split()
         if len(entry) != 6:
-            warn("Detected abnormal entry in fstab")
+            self.out.warn("Detected abnormal entry in fstab")
             return orig, "", ""
 
         dev = entry[0]