Class: Yast::BootSupportCheckClass

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

# File '../../src/modules/BootSupportCheck.rb', line 153

def check_BootDevice
  result = true
  devices = Storage.GetTargetMap

  boot_device = BootCommon.getBootPartition

  found_boot = false
  # check if boot device is on raid0
  Builtins.foreach(devices) do |k, v|
    Builtins.foreach(Ops.get_list(v, "partitions", [])) do |p|
      if Ops.get_string(p, "device", "") == boot_device
        if Ops.get_string(p, "raid_type", "") != "raid1" &&
            Ops.get(p, "type") == :sw_raid
          AddNewProblem(
            Builtins.sformat(
              _(
                "The boot device is on raid type: %1. System will not boot."
              ),
              Ops.get_string(p, "raid_type", "")
            )
          )
          Builtins.y2error(
            "The boot device: %1 is on raid type: %2",
            boot_device,
            Ops.get_string(p, "raid_type", "")
          )
          result = false
          raise Break
        else
          # bnc#501043 added check for valid configuration
          if Ops.get_string(p, "raid_type", "") == "raid1" &&
              Ops.get(p, "type") == :sw_raid
            if Builtins.tolower(Ops.get_string(p, "fstype", "")) == "md raid" &&
                Ops.get(BootCommon.globals, "boot_mbr", "false") != "true"
              AddNewProblem(
                _(
                  "The boot device is on software RAID1. Select other bootloader location, e.g. Master Boot Record"
                )
              )
              Builtins.y2error(
                "Booting from soft-raid: %1 and bootloader setting are not valid: %2",
                p,
                BootCommon.globals
              )
              result = false
              raise Break
            else
              found_boot = true
              Builtins.y2milestone("Valid configuration for soft-raid")
            end
          else
            found_boot = true
            Builtins.y2milestone(
              "The boot device: %1 is on raid: %2",
              boot_device,
              Ops.get_string(p, "raid_type", "")
            )
          end
        end
        found_boot = true
        Builtins.y2milestone("/boot filesystem is OK")
        raise Break
      end
    end
    raise Break if !result || found_boot
  end if boot_device != ""
  result
end

128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145

# File '../../src/modules/BootSupportCheck.rb', line 128

def check_gpt_reserved_partition
  return true if BootCommon.globals["boot_mbr"] != "true"

  devices = Storage.GetTargetMap
  mbr_disk = Storage.GetDisk(devices, BootCommon.FindMBRDisk)
  boot_device = Storage.GetPartition(devices, BootCommon.getBootPartition)
  return true if mbr_disk["label"] != "gpt"
  return true if boot_device["used_fs"] != :btrfs
  return true if mbr_disk["partitions"].any? {|p| p["fsid"] == Partitions.fsid_bios_grub }

  Builtins.y2error("Used together boot from MBR, gpt, btrfs and without bios_grub partition.")
  # TRANSLATORS: description of technical problem. Do not translate technical terms unless native language have well known translation.
  AddNewProblem(_(
      "Boot from MBR does not work together with btrfs filesystem and GPT disk label without bios_grub partition." \
      "To fix this issue, create bios_grub partition or use any ext filesystem for boot partition or do not install stage 1 to MBR."
  ))
  return false
end

252
253
254
255
256
257
258
259
260
261
262
263
264
265
266

# File '../../src/modules/BootSupportCheck.rb', line 252

def check_zipl_part
  # if partitioning worked before upgrade, it will keep working (bnc#886604)
  return true if Mode.update

  boot_part = Storage.GetEntryForMountpoint("/boot/zipl")
  boot_part = Storage.GetEntryForMountpoint("/boot") if boot_part.empty?
  boot_part = Storage.GetEntryForMountpoint("/") if boot_part.empty?

  if [:ext2, :ext3, :ext4].include? boot_part["used_fs"]
    return true
  else
    AddNewProblem(_( "Missing ext partition for booting. Cannot install boot code."))
    return false
  end
end

238
239
240
241
242
243
244
245
246
247
248
249

# File '../../src/modules/BootSupportCheck.rb', line 238

def CheckBios_ID
  return true if Arch.s390 # s390 do not have bios boot order (bnc#874106)

  if BootStorage.bois_id_missing
    AddNewProblem(
      _("YaST could not determine the exact boot order of disks needed for the device map. Review and possibly adjust the boot order of disks in \"Boot Loader Installation Details\"")
    )
    return false
  end

  return true
end

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

# File '../../src/modules/BootSupportCheck.rb', line 80

def CorrectLoaderType
  lt = Bootloader.getLoaderType
  return true if lt == "none"

  # grub2 is sooo cool...
  return true if lt == "grub2"

  if Arch.i386 || Arch.x86_64
    if efi?
      return true if lt == "grub2-efi"
    else
      return true if lt == "grub" || lt == "grub2"
    end
  end
  Builtins.y2error(
    "Unsupported combination of hardware platform %1 and bootloader %2",
    Arch.architecture,
    lt
  )
  AddNewProblem(
    Builtins.sformat(
      _("Unsupported combination of hardware platform %1 and bootloader %2"),
      Arch.architecture,
      lt
    )
  )
  false
end

223
224
225
226
227
228
229
230
231

# File '../../src/modules/BootSupportCheck.rb', line 223

def efi?
  cmd = "modprobe efivars 2>/dev/null"
  ret = Convert.to_map(SCR.Execute(path(".target.bash_output"), cmd))
  if FileUtils.Exists("/sys/firmware/efi/systab")
    return true
  else
    return false
  end
end

319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347

# File '../../src/modules/BootSupportCheck.rb', line 319

def EndOfBootOrRootPartition
  part = Storage.GetEntryForMountpoint("/boot")
  part = Storage.GetEntryForMountpoint("/") if Builtins.isempty(part)

  device = Ops.get_string(part, "device", "")
  Builtins.y2milestone("device:%1", device)

  end_cyl = Region.End(Ops.get_list(part, "region", []))

  cyl_size = 82252800
  target_map = Storage.GetTargetMap
  Builtins.foreach(target_map) do |dev, disk|
    if Builtins.find(Ops.get_list(disk, "partitions", [])) do |p|
        Ops.get_string(p, "device", "") == device
      end != nil
      cyl_size = Ops.get_integer(disk, "cyl_size", 82252800)
    end
  end

  ret = Ops.multiply(end_cyl, cyl_size)

  Builtins.y2milestone(
    "end_cyl:%1 cyl_size:%2 end:%3",
    end_cyl,
    cyl_size,
    ret
  )
  ret
end

110
111
112
113
114
115
116
117
118
119
120
121
122
123
124

# File '../../src/modules/BootSupportCheck.rb', line 110

def GptPartitionTable
  ret = true
  tm = Storage.GetTargetMap
  devices = [BootStorage.BootPartitionDevice]
  # TODO add more devices
  Builtins.foreach(devices) do |dev|
    p_dev = Storage.GetDiskPartition(dev)
    num = BootCommon.myToInteger(Ops.get(p_dev, "nr"))
    mbr_dev = Ops.get_string(p_dev, "disk", "")
    label = Ops.get_string(tm, [mbr_dev, "label"], "")
    Builtins.y2milestone("Label: %1", label)
    Builtins.y2milestone("Partition number: %1", num)
  end
  ret
end

269
270
271
272
273
274

# File '../../src/modules/BootSupportCheck.rb', line 269

def GRUB
  ret = GptPartitionTable()
  ret = check_BootDevice if ret
  ret = CheckBios_ID() if ret
  ret
end

277
278
279
280
281
282

# File '../../src/modules/BootSupportCheck.rb', line 277

def GRUB2
  ret = GRUB()
  # ensure that s390 have ext* partition for booting (bnc#873951)
  ret &&= check_zipl_part if Arch.s390
  ret &&= check_gpt_reserved_partition if Arch.x86_64
end

285
286
287

# File '../../src/modules/BootSupportCheck.rb', line 285

def GRUB2EFI
  true
end

62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77

# File '../../src/modules/BootSupportCheck.rb', line 62

def KnownLoader
  if !Builtins.contains(
      ["grub", "grub2", "grub2-efi", "none"],
      Bootloader.getLoaderType
    )
    Builtins.y2error("Unknown bootloader: %1", Bootloader.getLoaderType)
    AddNewProblem(
      Builtins.sformat(
        _("Unknown bootloader: %1"),
        Bootloader.getLoaderType
      )
    )
    return false
  end
  true
end

21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37

# File '../../src/modules/BootSupportCheck.rb', line 21

def main

  textdomain "bootloader"

  Yast.import "Bootloader"
  Yast.import "Arch"
  Yast.import "Storage"
  Yast.import "Partitions"
  Yast.import "Region"
  Yast.import "BootCommon"
  Yast.import "BootStorage"
  Yast.import "FileUtils"
  Yast.import "Mode"

  # List of problems found during last check
  @detected_problems = []
end

49
50
51
52
53
54
55
56
57
58

# File '../../src/modules/BootSupportCheck.rb', line 49

def StringProblems
  ret = ""
  if Ops.greater_than(Builtins.size(@detected_problems), 0)
    Builtins.foreach(@detected_problems) do |s|
      ret = Ops.add(Ops.add(ret, s), "\n")
    end
  end

  ret
end

293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316

# File '../../src/modules/BootSupportCheck.rb', line 293

def SystemSupported
  @detected_problems = []

  # check if the bootloader is known and supported
  supported = KnownLoader()

  lt = Bootloader.getLoaderType
  return true if lt == "none"

  # detect correct bootloader type
  supported = CorrectLoaderType() && supported

  # check specifics for individual loaders
  if lt == "grub"
    supported = GRUB() && supported
  elsif lt == "grub2"
    supported = GRUB2() && supported
  elsif lt == "grub2-efi"
    supported = GRUB2EFI() && supported
  end

  Builtins.y2milestone("Configuration supported: %1", supported)
  supported
end