"""
ZiplConf - configuration file for zipl
======================================
A parser file for parsing and extracting data from ``/etc/zipl.conf`` file.
Sample input::
[defaultboot]
defaultauto
prompt=1
timeout=5
default=linux
target=/boot
[linux]
image=/boot/vmlinuz-3.10.0-693.el7.s390x
ramdisk=/boot/initramfs-3.10.0-693.el7.s390x.img
parameters="root=/dev/mapper/rhel_gss5-root crashkernel=auto rd.dasd=0.0.0100 rd.dasd=0.0.0101 rd.dasd=0.0.0102 rd.lvm.lv=rhel_gss5/root rd.lvm.lv=rhel_gss5/swap net.ifnames=0 rd.znet=qeth,0.0.0600,0.0.0601,0.0.0602,layer2=0,portname=gss5,portno=0 LANG=en_US.UTF-8"
[linux-0-rescue-a27932c8d57248e390cee3798bbd3709]
image=/boot/vmlinuz-0-rescue-a27932c8d57248e390cee3798bbd3709
ramdisk=/boot/initramfs-0-rescue-a27932c8d57248e390cee3798bbd3709.img
parameters="root=/dev/mapper/rhel_gss5-root crashkernel=auto rd.dasd=0.0.0100 rd.dasd=0.0.0101 rd.dasd=0.0.0102 rd.lvm.lv=rhel_gss5/root rd.lvm.lv=rhel_gss5/swap net.ifnames=0 rd.znet=qeth,0.0.0600,0.0.0601,0.0.0602,layer2=0,portname=gss5,portno=0"
# Configuration for dumping to SCSI disk
# Separate IPL and dump partitions
[dumpscsi]
target=/boot
dumptofs=/dev/sda2
parameters="dump_dir=/mydumps dump_compress=none dump_mode=auto"
# Menu containing two DASD boot configurations
:menu1
1=linux
2=linux-0-rescue-a27932c8d57248e390cee3798bbd3709
default=1
prompt=1
timeout=30
This module contains one parser:
ZiplConf - file ``/etc/zipl.conf``
----------------------------------
Examples:
>>> zipl_info['linux']['image']
'/boot/vmlinuz-3.10.0-693.el7.s390x'
>>> zipl_info.images
{'linux':'/boot/vmlinuz-3.10.0-693.el7.s390x','linux-0-rescue-a27932c8d57248e390cee3798bbd3709':'/boot/vmlinuz-0-rescue-a27932c8d57248e390cee3798bbd3709'}
>>> zipl_info.dumptofses
{'dumpscsi':'/dev/sda2'}
>>> zipl_info[':menu1']['1']
'linux'
>>> 'defaultauto' in zipl_info['global']
True
>>> zipl_info['global']['defaultauto']
None
"""
from insights.core import LegacyItemAccess, Parser
from insights.core.exceptions import ParseException
from insights.core.plugins import parser
from insights.parsers import get_active_lines
from insights.specs import Specs
[docs]
@parser(Specs.zipl_conf)
class ZiplConf(LegacyItemAccess, Parser):
"""
The zipl.conf file basically contains key-value pairs or single command based on the line.
Section name is quoted with '[]' and menu name is started with ':'.
Raises:
ParseException: when the first active line is not a section
"""
def __init__(self, *args, **kwargs):
self._images = {}
self._dumptofses = {}
super(ZiplConf, self).__init__(*args, **kwargs)
[docs]
def parse_content(self, content):
self.data = {}
lines = get_active_lines(content)
line0 = lines[0]
if line0.startswith('[') and line0.endswith(']'):
current = line0[1:-1]
self.data[current] = {}
for line in lines[1:]:
if line.startswith('[') and line.endswith(']'):
current = line[1:-1]
self.data[current] = {}
elif line.startswith(':'):
current = line
self.data[current] = {}
else:
if '=' in line:
k, v = [s.strip() for s in line.split('=', 1)]
if k == "image":
self._images[current] = v
elif k == "dumptofs":
self._dumptofses[current] = v
self.data[current][k] = v
else:
self.data[current][line] = True
else:
raise ParseException('Invalid zipl configuration file is found.')
@property
def images(self):
"""
Get all `image` items referenced in zipl configuration file
Returns:
(dict): Returns a dict of the `section` and `image` names referenced
in zipl configuration file
"""
return self._images
@property
def dumptofses(self):
"""
Get all `dumptofs` items referenced in zipl configuration file
Returns:
(dict): Returns a dict of the `section` and `dumptofs` names referenced
in zipl configuration file
"""
return self._dumptofses