aboutsummaryrefslogtreecommitdiff
path: root/grs
diff options
context:
space:
mode:
Diffstat (limited to 'grs')
-rw-r--r--grs/ISOIt.py69
-rw-r--r--grs/Interpret.py25
-rw-r--r--grs/__init__.py1
3 files changed, 93 insertions, 2 deletions
diff --git a/grs/ISOIt.py b/grs/ISOIt.py
new file mode 100644
index 0000000..9b3a920
--- /dev/null
+++ b/grs/ISOIt.py
@@ -0,0 +1,69 @@
+#!/usr/bin/env python
+#
+# ISOIt.py: this file is part of the GRS suite
+# Copyright (C) 2015 Anthony G. Basile
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+import os
+from datetime import datetime
+from grs.Constants import CONST
+from grs.Execute import Execute
+from grs.HashIt import HashIt
+
+class ISOIt(HashIt):
+ """ Create a bootable ISO of the system. """
+
+ def __init__(self, name, libdir = CONST.LIBDIR, workdir = CONST.WORKDIR, \
+ portage_configroot = CONST.PORTAGE_CONFIGROOT, logfile = CONST.LOGFILE):
+ self.libdir = libdir
+ self.workdir = workdir
+ self.portage_configroot = portage_configroot
+ self.logfile = logfile
+ # Prepare a year, month and day for a ISO name timestamp.
+ self.year = str(datetime.now().year).zfill(4)
+ self.month = str(datetime.now().month).zfill(2)
+ self.day = str(datetime.now().day).zfill(2)
+ self.medium_name = '%s-%s%s%s.iso' % (name, self.year, self.month, self.day)
+ self.digest_name = '%s.DIGESTS' % self.medium_name
+
+
+ def isoit(self, alt_name = None):
+ # Create the ISO with the default name unless an alt_name is given.
+ if alt_name:
+ self.medium_name = '%s-%s%s%s.iso' % (alt_name, self.year, self.month, self.day)
+ self.digest_name = '%s.DIGESTS' % self.medium_name
+ iso_path = os.path.join(self.workdir, 'iso')
+ grub_path = os.path.join(iso_path, 'boot/grub')
+ os.makedirs(grub_path, mode=0o755, exist_ok=False)
+ #
+ # 1. build initramfs image and copy it in
+ # locate a build script for the initramfs in self.libdir/scripts
+ # locate a busybox config script in self.libdir/scripts
+ # locate an init scripts in self.libdir/scripts
+ # copy in any kernel modules(?)
+ # find . | cpio -H newc -o | gzip -9 > iso/boot/initramfs.igz
+ #
+ # 2. make the squashfs image and copy it into the iso/boot
+ squashfs_path = os.path.join(iso_path, 'rootfs')
+ cmd = 'mksquashfs %s %s -xattrs -comp xz' % (self.portage_configroot, squashfs_path)
+ Execute(cmd, timeout=None, logfile=self.logfile)
+ #
+ # 3. prepare the grub bootloader
+ # copy in stage2_eltorito into iso/boot/grub
+ # copy in menu.lst into iso/boot/grub
+ #
+ # 4. create the iso image
+ # mkisofs -R -b boot/grub/stage2_eltorito -no-emul-boot -boot-load-size 4 \
+ # -boot-info-table -o medium_pathname.iso iso
diff --git a/grs/Interpret.py b/grs/Interpret.py
index 5f06fe9..4fdb31b 100644
--- a/grs/Interpret.py
+++ b/grs/Interpret.py
@@ -24,6 +24,7 @@ import time
from grs.Constants import CONST
from grs.Daemon import Daemon
+from grs.ISOIt import ISOIt
from grs.Log import Log
from grs.Kernel import Kernel
from grs.MountDirectories import MountDirectories
@@ -130,6 +131,7 @@ class Interpret(Daemon):
pc = PivotChroot(tmpdir, portage_configroot, logfile)
ke = Kernel(libdir, portage_configroot, kernelroot, package, logfile)
bi = TarIt(name, portage_configroot, logfile)
+ io = ISOIt(name, libdir, workdir, portage_configroot, logfile)
# Just in case /var/tmp/grs doesn't already exist.
os.makedirs(tmpdir, mode=0o755, exist_ok=True)
@@ -193,7 +195,10 @@ class Interpret(Daemon):
obj = None
# This long concatenated if is where the semantics of the
- # build script are implemented.
+ # build script are implemented. Note: 'hashit' can only come
+ # after 'tarit' or 'isoit' so that it knows the medium_name
+ # to hash, ie whether its a .tar.xz or a .iso
+ medium_type = None
if verb == '':
stampit(progress)
continue
@@ -244,11 +249,27 @@ class Interpret(Daemon):
else:
smartlog(l, obj, False)
bi.tarit()
+ medium_type = 'tarit'
+ elif verb == 'isoit':
+ # 'isoit' can either be just a verb,
+ # or a 'verb obj' pair.
+ if obj:
+ smartlog(l, obj, True)
+ io.isoit(obj)
+ else:
+ smartlog(l, obj, False)
+ io.isoit()
+ medium_type = 'isoit'
elif verb == 'hashit':
if smartlog(l, obj, False):
stampit(progress)
continue
- bi.hashit()
+ if medium_type == 'tarit':
+ bi.hashit()
+ elif medium_type == 'isoit':
+ io.hashit()
+ else:
+ raise Exception('Unknown medium to hash.')
else:
lo.log('Bad command: %s' % l)
diff --git a/grs/__init__.py b/grs/__init__.py
index 2ed47f7..fb1b64b 100644
--- a/grs/__init__.py
+++ b/grs/__init__.py
@@ -21,6 +21,7 @@ from grs.Daemon import Daemon
from grs.Execute import Execute
from grs.HashIt import HashIt
from grs.Interpret import Interpret
+from grs.ISOIt import ISOIt
from grs.Log import Log
from grs.Kernel import Kernel
from grs.MountDirectories import MountDirectories