Class: Yast::BootloaderClass
- Inherits:
-
Module
- Object
- Module
- Yast::BootloaderClass
- Includes:
- Logger
- Defined in:
- src/modules/Bootloader.rb
Constant Summary collapse
- BOOLEAN_MAPPING =
{ true => :present, false => :missing }.freeze
- FLAVOR_KERNEL_LINE_MAP =
{ :common => "append", :xen_guest => "xen_append", :xen_host => "xen_kernel_append" }.freeze
Instance Method Summary collapse
-
#Export ⇒ Object
Export bootloader settings to a map.
-
#getDefaultSection ⇒ String
return default section label.
-
#getLoaderType ⇒ String
Get currently used bootloader, detect if not set yet.
-
#Import(data) ⇒ Boolean
Import settings from a map.
-
#kernel_param(flavor, key) ⇒ String, ...
Gets value for given parameter in kernel parameters for given flavor.
- #main ⇒ Object
-
#modify_kernel_params(*args) ⇒ Boolean
Modify kernel parameters for installed kernels according to values.
-
#Propose ⇒ Object
Propose bootloader settings.
-
#Read ⇒ Boolean
Read settings from disk.
-
#ReadOrProposeIfNeeded ⇒ Object
Check whether settings were read or proposed, if not, decide what to do and read or propose settings.
-
#Reset ⇒ Object
Reset bootloader settings.
-
#Summary(simple_mode: false) ⇒ Object
Display bootloader summary.
-
#testAbort ⇒ Boolean
Check whether abort was pressed.
-
#Update ⇒ Boolean
Update the whole configuration.
-
#Write ⇒ Boolean
Write bootloader settings to disk.
Instance Method Details
#Export ⇒ Object
Export bootloader settings to a map
73 74 75 76 77 78 79 80 81 |
# File 'src/modules/Bootloader.rb', line 73 def Export config = ::Bootloader::BootloaderFactory.current config.read if !config.read? && !config.proposed? result = ::Bootloader::AutoyastConverter.export(config) log.info "autoyast map for bootloader: #{result.inspect}" result end |
#getDefaultSection ⇒ String
return default section label
299 300 301 302 303 304 305 306 |
# File 'src/modules/Bootloader.rb', line 299 def getDefaultSection ReadOrProposeIfNeeded() bootloader = Bootloader::BootloaderFactory.current return "" unless bootloader.respond_to?(:sections) bootloader.sections.default end |
#getLoaderType ⇒ String
Get currently used bootloader, detect if not set yet
441 442 443 |
# File 'src/modules/Bootloader.rb', line 441 def getLoaderType ::Bootloader::BootloaderFactory.current.name end |
#Import(data) ⇒ Boolean
Import settings from a map
86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 |
# File 'src/modules/Bootloader.rb', line 86 def Import(data) factory = ::Bootloader::BootloaderFactory bootloader_section = ::Bootloader::AutoinstProfile::BootloaderSection.new_from_hashes(data) imported_configuration = import_bootloader(bootloader_section) return false if imported_configuration.nil? factory.clear_cache proposed_configuration = factory.bootloader_by_name(imported_configuration.name) unless Mode.config # no AutoYaST configuration mode proposed_configuration.propose proposed_configuration.merge(imported_configuration) end factory.current = proposed_configuration # mark that it is not clear proposal (bsc#1081967) Yast::Bootloader.proposed_cfg_changed = true true end |
#kernel_param(flavor, key) ⇒ String, ...
Gets value for given parameter in kernel parameters for given flavor.
333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 |
# File 'src/modules/Bootloader.rb', line 333 def kernel_param(flavor, key) if flavor == :recovery log.warn "Using deprecated recovery flavor" return :missing end ReadOrProposeIfNeeded() # ensure we have some data current_bl = ::Bootloader::BootloaderFactory.current # currently only grub2 bootloader supported return :missing unless current_bl.respond_to?(:grub_default) grub_default = current_bl.grub_default params = case flavor when :common then grub_default.kernel_params when :xen_guest then grub_default.xen_kernel_params when :xen_host then grub_default.xen_hypervisor_params else raise ArgumentError, "Unknown flavor #{flavor}" end res = params.parameter(key) BOOLEAN_MAPPING[res] || res end |
#main ⇒ Object
45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 |
# File 'src/modules/Bootloader.rb', line 45 def main textdomain "bootloader" # installation proposal help variables # Configuration was changed during inst. proposal if true @proposed_cfg_changed = false # old vga value handling function # old value of vga parameter of default bootloader section @old_vga = nil # general functions @test_abort = nil end |
#modify_kernel_params(*args) ⇒ Boolean
Modify kernel parameters for installed kernels according to values
382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 |
# File 'src/modules/Bootloader.rb', line 382 def modify_kernel_params(*args) ReadOrProposeIfNeeded() # ensure we have data to modify current_bl = ::Bootloader::BootloaderFactory.current # currently only grub2 bootloader supported return :missing unless current_bl.respond_to?(:grub_default) grub_default = current_bl.grub_default values = args.pop raise ArgumentError, "Missing parameters to modify #{args.inspect}" if !values.is_a? Hash args = [:common] if args.empty? # by default change common kernels only args = args.first if args.first.is_a? Array # support array like syntax if args.include?(:recovery) args.delete(:recovery) log.warn "recovery flavor is deprecated and not set" end remap_values = BOOLEAN_MAPPING.invert values.each_key do |key| values[key] = remap_values[values[key]] if remap_values.key?(values[key]) end params = args.map do |flavor| case flavor when :common then grub_default.kernel_params when :xen_guest then grub_default.xen_kernel_params when :xen_host then grub_default.xen_hypervisor_params else raise ArgumentError, "Unknown flavor #{flavor}" end end changed = false values.each do |key, value| params.each do |param| old_val = param.parameter(key) next if old_val == value changed = true # at first clean old entries matcher = CFA::Matcher.new(key: key) param.remove_parameter(matcher) case value when false then next # already done when Array value.each { |val| param.add_parameter(key, val) } else param.add_parameter(key, value) end end end changed end |
#Propose ⇒ Object
Propose bootloader settings
214 215 216 217 218 219 220 221 |
# File 'src/modules/Bootloader.rb', line 214 def Propose log.info "Proposing configuration" ::Bootloader::BootloaderFactory.current.propose log.info "Proposed settings: #{Export()}" nil end |
#Read ⇒ Boolean
Read settings from disk
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 |
# File 'src/modules/Bootloader.rb', line 110 def Read log.info "Reading configuration" # run Progress bar stages = [ # progress stage, text in dialog (short, infinitiv) _("Check boot loader"), # progress stage, text in dialog (short, infinitiv) _("Load boot loader settings") ] titles = [ # progress step, text in dialog (short) _("Checking boot loader..."), # progress step, text in dialog (short) _("Reading partitioning..."), # progress step, text in dialog (short) _("Loading boot loader settings...") ] # dialog header Progress.New( _("Initializing Boot Loader Configuration"), " ", 3, stages, titles, "" ) Progress.NextStage return false if testAbort Progress.NextStage return false if testAbort begin ::Bootloader::BootloaderFactory.current.read rescue ::Bootloader::UnsupportedBootloader => e ret = Yast::Report.AnyQuestion(_("Unsupported Bootloader"), _("Unsupported bootloader '%s' detected. Use proposal of supported configuration instead?") % e.bootloader_name, _("Use"), _("Quit"), :yes) # focus proposing new one return false unless ret ::Bootloader::BootloaderFactory.current = ::Bootloader::BootloaderFactory.proposed ::Bootloader::BootloaderFactory.current.propose rescue ::Bootloader::BrokenConfiguration, ::Bootloader::UnsupportedOption => e msg = if e.is_a?(::Bootloader::BrokenConfiguration) # TRANSLATORS: %s stands for readon why yast cannot process it _("YaST cannot process current bootloader configuration (%s). " \ "Propose new configuration from scratch?") % e.reason else e. end ret = Yast::Report.AnyQuestion(_("Unsupported Configuration"), # TRANSLATORS: %s stands for readon why yast cannot process it msg, _("Propose"), _("Quit"), :yes) # focus proposing new one return false unless ret ::Bootloader::BootloaderFactory.current = ::Bootloader::BootloaderFactory.proposed ::Bootloader::BootloaderFactory.current.propose rescue Errno::EACCES # If the access to any needed file (e.g., grub.cfg when using GRUB bootloader) is not # allowed, just abort the execution. Using Yast::Confirm.MustBeRoot early in the # wizard/client is not enough since it allows continue. Yast2::Popup.show( # TRANSLATORS: pop-up message, beware the line breaks _("The module is running without enough privileges to perform all possible actions.\n\n" \ "Cannot continue. Please, try again as root."), headline: :error ) return false end Progress.Finish true end |
#ReadOrProposeIfNeeded ⇒ Object
Check whether settings were read or proposed, if not, decide what to do and read or propose settings
447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 |
# File 'src/modules/Bootloader.rb', line 447 def ReadOrProposeIfNeeded current_bl = ::Bootloader::BootloaderFactory.current return if current_bl.read? || current_bl.proposed? if Mode.config || (Stage.initial && !Mode.update) Propose() else progress_orig = Progress.set(false) if Stage.initial && Mode.update # SCR has been currently set to inst-sys. So we have # set the SCR to installed system in order to read # grub settings old_SCR = WFM.SCRGetDefault new_SCR = WFM.SCROpen("chroot=#{Yast::Installation.destdir}:scr", false) WFM.SCRSetDefault(new_SCR) end Read() if Stage.initial && Mode.update # settings have been read from the target system current_bl.read # reset target system to inst-sys WFM.SCRSetDefault(old_SCR) WFM.SCRClose(new_SCR) end Progress.set(progress_orig) end end |
#Reset ⇒ Object
Reset bootloader settings
196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 |
# File 'src/modules/Bootloader.rb', line 196 def Reset return if Mode.autoinst log.info "Resetting configuration" ::Bootloader::BootloaderFactory.clear_cache if Stage.initial config = ::Bootloader::BootloaderFactory.proposed config.propose else config = ::Bootloader::BootloaderFactory.system config.read end ::Bootloader::BootloaderFactory.current = config nil end |
#Summary(simple_mode: false) ⇒ Object
Display bootloader summary
225 226 227 228 229 230 231 232 233 |
# File 'src/modules/Bootloader.rb', line 225 def Summary(simple_mode: false) # kokso: additional warning that root partition is nfs type -> bootloader will not be installed if BootStorage.boot_filesystem.is?(:nfs) log.info "Bootloader::Summary() -> Boot partition is nfs type, bootloader will not be installed." return [_("The boot partition is of type NFS. Bootloader cannot be installed.")] end ::Bootloader::BootloaderFactory.current.summary(simple_mode: simple_mode) end |
#testAbort ⇒ Boolean
Check whether abort was pressed
65 66 67 68 69 |
# File 'src/modules/Bootloader.rb', line 65 def testAbort return false if Mode.commandline UI.PollInput == :abort end |
#Update ⇒ Boolean
Update the whole configuration
237 238 239 |
# File 'src/modules/Bootloader.rb', line 237 def Update Write() # write also reads the configuration and updates it end |
#Write ⇒ Boolean
Write bootloader settings to disk
243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 |
# File 'src/modules/Bootloader.rb', line 243 def Write ReadOrProposeIfNeeded() mark_as_changed log.info "Writing bootloader configuration" stages = [ _("Prepare system"), _("Create initrd"), _("Save boot loader configuration") ] titles = [ _("Preparing system..."), _("Creating initrd..."), _("Saving boot loader configuration...") ] if Mode.normal Progress.New(_("Saving Boot Loader Configuration"), " ", stages.size, stages, titles, "") Progress.NextStage else Progress.Title(titles[0]) end # Prepare system progress_state = Progress.set(false) if !::Bootloader::BootloaderFactory.current.prepare log.error("System could not be prepared successfully, required packages were not installed") Yast2::Popup.show(_("Cannot continue without install required packages")) return false end Progress.set(progress_state) transactional = Package.IsTransactionalSystem # Create initrd Progress.NextStage Progress.Title(titles[1]) unless Mode.normal write_initrd || log.error("Error occurred while creating initrd") if !transactional # Save boot loader configuration Progress.NextStage Progress.Title(titles[2]) unless Mode.normal ::Bootloader::BootloaderFactory.current.write(etc_only: transactional) if transactional # all writing to target is done in specific transactional command Yast::Execute.on_target!("transactional-update", "--continue", "bootloader") end true end |