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import shutil |
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import shutil |
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import re |
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import re |
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import univention.debug as udbg |
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import univention.config_registry as ucr |
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import univention.config_registry as ucr |
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from distutils.version import LooseVersion |
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class kernel: |
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class kernel: |
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def __init__(self, kversion, uversion, arch, origversion): |
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def __init__(self, kversion, uversion, arch, origversion): |
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self.uversion = uversion |
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self.uversion = uversion |
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self.arch = arch |
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self.arch = arch |
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self.origversion = origversion |
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self.origversion = origversion |
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def __repr__(self): |
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def __repr__(self): |
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return repr((self.kversion, self.uversion, self.arch)) |
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return repr((self.kversion, self.uversion, self.arch)) |
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configRegistry=ucr.ConfigRegistry() |
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configRegistry=ucr.ConfigRegistry() |
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configRegistry.load() |
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configRegistry.load() |
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if 'grub/generate-menu-lst' not in configRegistry or configRegistry.is_false('grub/generate-menu-lst', False): |
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if configRegistry.is_false('grub/generate-menu-lst', True): |
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sys.exit(0) |
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sys.exit(0) |
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if os.path.exists("/boot/grub/menu.lst"): |
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if os.path.exists("/boot/grub/menu.lst"): |
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f = open("/boot/grub/menu.lst") |
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for line in open("/boot/grub/menu.lst", "r"): |
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generated_by_ucs = False |
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if "auto-generated through univention-grub-generate-menu-lst" in line: |
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break |
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for i in f.readlines(): |
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else: |
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if i.find("auto-generated through univention-grub-generate-menu-lst") != -1: |
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generated_by_ucs = True |
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if not generated_by_ucs: |
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print "menu.lst already exists. This typically happens if you have updated from UCS 2.4" |
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print "menu.lst already exists. This typically happens if you have updated from UCS 2.4" |
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print "and haven't converted from chain loading" |
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print "and haven't converted from chain loading" |
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sys.exit(0) |
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sys.exit(0) |
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sys.exit(1) |
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sys.exit(1) |
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lst = [] |
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lst = [ |
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lst.append("# This Grub configuration is auto-generated through univention-grub-generate-menu-lst.") |
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"# This Grub configuration is auto-generated through univention-grub-generate-menu-lst.", |
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lst.append("# It is used when booting UCS 3.0 as a Xen DomU with an older version of Pygrub") |
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"# It is used when booting UCS 3.0 as a Xen DomU with an older version of Pygrub", |
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lst.append(" ") |
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"", |
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lst.append("default 0") |
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"default 0", |
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lst.append("timeout 5 ") |
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"timeout 5 ", |
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lst.append(" ") |
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"", |
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] |
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RE_MENUENTRY = re.compile(r"^\s*menuentry '([^']*)' .*") |
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RE_MENUENTRY = re.compile(r"^\s*menuentry '([^']*)' .*") |
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RE_ROOT = re.compile(r"^\s+set\s+root='\(?(hd[0-9]+|/dev/\w+d[a-z]),[a-z]+([0-9]+)\)?'") |
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RE_ROOT = re.compile(r"^\s+set\s+root='\(?(hd[0-9]+|/dev/\w+d[a-z]),[a-z]+([0-9]+)\)?'") |
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RE_INITRD = re.compile(r"^\s+initrd\s+(.+)") |
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RE_INITRD = re.compile(r"^\s+initrd\s+(.+)") |
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RE_CLOSE = re.compile(r"^}") |
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RE_CLOSE = re.compile(r"^}") |
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name = kernel = initrd = None |
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name = root = kernel = initrd = None |
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for line in grub2: |
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for line in grub2: |
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m = RE_MENUENTRY.match(line) |
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m = RE_MENUENTRY.match(line) |
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if device.startswith('hd'): |
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if device.startswith('hd'): |
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root = "(%s,%d)" % (device, int(part) - 1) |
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root = "(%s,%d)" % (device, int(part) - 1) |
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elif device.startswith('/dev/'): |
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elif device.startswith('/dev/'): |
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root = "(hd0,%d)" % (int(part) - 1) |
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root = "(hd0,%d)" % (int(part) - 1,) |
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else: |
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else: |
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print >>sys.stderr, "Unhandled root=%s" % (line,) |
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print >>sys.stderr, "Unhandled root=%s" % (line,) |
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lst.append("kernel " + kernel) |
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lst.append("kernel " + kernel) |
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if initrd: |
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if initrd: |
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lst.append("initrd " + initrd) |
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lst.append("initrd " + initrd) |
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lst.append(" ") |
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lst.append("") |
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name = root = kernel = initrd = None |
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name = root = kernel = initrd = None |
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continue |
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continue |
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