Coverage for pyanaconda/flags.py: 0%

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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 | # # flags.py: global anaconda flags # # Copyright (C) 2001 Red Hat, Inc. All rights reserved. # # 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 2 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 selinux import shlex import glob from pyanaconda.core.constants import SELINUX_DEFAULT, CMDLINE_APPEND, ANACONDA_ENVIRON from collections import OrderedDict from pyanaconda.anaconda_loggers import get_module_logger log = get_module_logger(__name__) # A lot of effort, but it only allows a limited set of flags to be referenced class Flags(object): def __setattr__(self, attr, val): # pylint: disable=no-member if attr not in self.__dict__ and not self._in_init: raise AttributeError(attr) else: self.__dict__[attr] = val def get(self, attr, val=None): return getattr(self, attr, val) def set_cmdline_bool(self, flag): if flag in self.cmdline: setattr(self, flag, self.cmdline.getbool(flag)) def __init__(self, read_cmdline=True): self.__dict__['_in_init'] = True self.livecdInstall = False self.ibft = True self.usevnc = False self.vncquestion = True self.mpath = True self.dmraid = True self.selinux = SELINUX_DEFAULT self.debug = False self.armPlatform = None self.preexisting_x11 = False self.noverifyssl = False self.imageInstall = False self.automatedInstall = False self.dirInstall = False self.askmethod = False self.eject = True self.extlinux = False self.nombr = False self.gpt = False self.leavebootorder = False self.testing = False self.mpathFriendlyNames = True # ksprompt is whether or not to prompt for missing ksdata self.ksprompt = True self.rescue_mode = False self.noefi = False self.kexec = False # nosave options self.nosave_input_ks = False self.nosave_output_ks = False self.nosave_logs = False # single language options self.singlelang = False # enable SE/HMC self.hmc = False # current runtime environments self.environs = [ANACONDA_ENVIRON] # parse the boot commandline self.cmdline = BootArgs() # Lock it down: no more creating new flags! self.__dict__['_in_init'] = False if read_cmdline: self.read_cmdline() def read_cmdline(self): for f in ("selinux", "debug", "leavebootorder", "testing", "extlinux", "nombr", "gpt", "noefi"): self.set_cmdline_bool(f) if not selinux.is_selinux_enabled(): self.selinux = 0 cmdline_files = ['/proc/cmdline', '/run/install/cmdline', '/run/install/cmdline.d/*.conf', '/etc/cmdline'] class BootArgs(OrderedDict): """ Hold boot arguments as an OrderedDict. """ def __init__(self, cmdline=None, files=None): """ Create a BootArgs object. Reads each of the "files", then parses "cmdline" if it was provided. """ super().__init__() if files is None: self.read(cmdline_files) elif files: self.read(files) if cmdline: self.readstr(cmdline) def read(self, filenames): """ Read and parse a filename (or a list of filenames). Files that can't be read are silently ignored. Returns a list of successfully read files. filenames can contain \\*, ?, and character ranges expressed with [] """ readfiles = [] if isinstance(filenames, str): filenames = [filenames] # Expand any filename globs filenames = [f for g in filenames for f in glob.glob(g)] for f in filenames: try: self.readstr(open(f).read()) readfiles.append(f) except IOError: continue return readfiles def readstr(self, cmdline): cmdline = cmdline.strip() # if the BOOT_IMAGE contains a space, pxelinux will strip one of the # quotes leaving one at the end that shlex doesn't know what to do # with (left, middle, right) = cmdline.rpartition("BOOT_IMAGE=") if right.count('"') % 2: cmdline = left + middle + '"' + right # shlex doesn't properly handle \\ (it removes them) # which scrambles the spaces used in labels so use underscores cmdline = cmdline.replace("\\x20", "_") lst = shlex.split(cmdline) # options might have the inst. prefix (used to differentiate # boot options for the installer from other boot options) inst_prefix = "inst." for i in lst: # drop the inst. prefix (if found), so that getbool() works # consistently for both "foo=0" and "inst.foo=0" if i.startswith(inst_prefix): i = i[len(inst_prefix):] if "=" in i: (key, val) = i.split("=", 1) else: key = i val = None # Some duplicate args create a space separated string if key in CMDLINE_APPEND and self.get(key, None): if val: self[key] = self[key] + " " + val else: self[key] = val def getbool(self, arg, default=False): """ Return the value of the given arg, as a boolean. The rules are: - "arg", "arg=val": True - "noarg", "noarg=val", "arg=[0|off|no]": False """ result = default for a in self: if a == arg: if self[arg] in ("0", "off", "no"): result = False else: result = True elif a == 'no' + arg: result = False # XXX: should noarg=off -> True? return result def can_touch_runtime_system(msg, touch_live=False): """ Guard that should be used before doing actions that modify runtime system. :param msg: message to be logged in case that runtime system cannot be touched :type msg: str :param touch_live: whether to allow touching liveCD installation system :type touch_live: bool :rtype: bool """ if flags.livecdInstall and not touch_live: log.info("Not doing '%s' in live installation", msg) return False if flags.imageInstall: log.info("Not doing '%s' in image installation", msg) return False if flags.dirInstall: log.info("Not doing '%s' in directory installation", msg) return False if flags.testing: log.info("Not doing '%s', because we are just testing", msg) return False return True flags = Flags()