Class: Yast::LinuxrcClass

Inherits:
Module
  • Object
show all
Includes:
Logger
Defined in:
library/general/src/modules/Linuxrc.rb

Constant Summary collapse

DISABLE_SNAPSHOTS =

Disables filesystem snapshots (fate#317973) Possible values: all, post, pre, single

"disable_snapshots".freeze

Instance Method Summary collapse

Instance Method Details

#brailleObject

braille mode ?


123
124
125
# File 'library/general/src/modules/Linuxrc.rb', line 123

def braille
  !InstallInf("Braille").nil?
end

#disable_remote(services) ⇒ Object

Reset settings for vnc, ssh,... in install.inf which have been made by linuxrc settings.


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
# File 'library/general/src/modules/Linuxrc.rb', line 264

def disable_remote(services)
  return if !services || services.empty?

  log.warn "Disabling #{services} due to missing packages."
  services.each do |service|
    # Service IDs are also used in another context in the code
    # Making sure we always compare apples with apples
    case polish(service.dup)

    when "vnc"
      SCR.Write(path(".etc.install_inf.VNC"), 0)
      SCR.Write(path(".etc.install_inf.VNCPassword"), "")
    when "ssh"
      SCR.Write(path(".etc.install_inf.UseSSH"), 0)
    when "braille"
      SCR.Write(path(".etc.install_inf.Braille"), 0)
    when "displayip"
      SCR.Write(path(".etc.install_inf.DISPLAY_IP"), 0)
    else
      log.error "Unknown service #{service}"
      raise ArgumentError, "Cannot disable #{service}: Unknown service."
    end
  end
  SCR.Write(path(".etc.install_inf"), nil) # Flush the cache
  ResetInstallInf()
end

#display_ipObject

remote X mode ?


133
134
135
# File 'library/general/src/modules/Linuxrc.rb', line 133

def display_ip
  !InstallInf("Display_IP").nil?
end

#InstallInf(key) ⇒ Object


89
90
91
92
# File 'library/general/src/modules/Linuxrc.rb', line 89

def InstallInf(key)
  ReadInstallInf()
  @install_inf[key]
end

#keysObject


94
95
96
97
# File 'library/general/src/modules/Linuxrc.rb', line 94

def keys
  ReadInstallInf()
  @install_inf.keys
end

#mainObject


38
39
40
41
42
43
44
45
# File 'library/general/src/modules/Linuxrc.rb', line 38

def main
  Yast.import "Mode"
  Yast.import "Stage"

  @install_inf = nil

  @_manual = nil
end

#manualObject

installation mode wrappers


101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
# File 'library/general/src/modules/Linuxrc.rb', line 101

def manual
  return @_manual if !@_manual.nil?

  @_manual = InstallInf("Manual") == "1"
  if !@_manual
    tmp = Convert.to_string(
      SCR.Read(path(".target.string"), "/proc/cmdline")
    )
    if !tmp.nil? &&
        Builtins.contains(Builtins.splitstring(tmp, " \n"), "manual")
      @_manual = true
    end
  end
  @_manual
end

#ReadInstallInfObject

routines for reading data from /etc/install.inf


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
# File 'library/general/src/modules/Linuxrc.rb', line 49

def ReadInstallInf
  return if !@install_inf.nil?

  # skip from chroot
  old_SCR = WFM.SCRGetDefault
  new_SCR = WFM.SCROpen("chroot=/:scr", false)
  WFM.SCRSetDefault(new_SCR)

  begin
    @install_inf = {}    # don't read anything if the file doesn't exist

    if SCR.Read(path(".target.size"), "/etc/install.inf") == -1
      Builtins.y2error("Reading install.inf, but file doesn't exist!!!")
      return
    end
    entries = SCR.Dir(path(".etc.install_inf"))
    if entries.nil?
      Builtins.y2error("install.inf is empty")
      return
    end
    Builtins.foreach(entries) do |e|
      val = Convert.to_string(
        SCR.Read(Builtins.add(path(".etc.install_inf"), e))
      )
      Ops.set(@install_inf, e, val)
    end
  ensure
    # close and chroot back
    WFM.SCRSetDefault(old_SCR)
    WFM.SCRClose(new_SCR)
  end

  nil
end

#reboot_timeoutObject


155
156
157
158
159
# File 'library/general/src/modules/Linuxrc.rb', line 155

def reboot_timeout
  return nil unless InstallInf("reboot_timeout")

  InstallInf("reboot_timeout").to_i
end

#ResetInstallInfObject


84
85
86
87
# File 'library/general/src/modules/Linuxrc.rb', line 84

def ResetInstallInf
  @install_inf = nil
  nil
end

#SaveInstallInf(root) ⇒ Object

Copy /etc/install.inf into built system so that the second phase of the installation can find it.


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
227
228
229
230
231
232
233
234
235
# File 'library/general/src/modules/Linuxrc.rb', line 185

def SaveInstallInf(root)
  if Stage.initial && !Mode.test
    inst_if_file = "/etc/install.inf"

    if !root.nil? && root != "" && root != "/"
      if WFM.Read(path(".local.size"), inst_if_file) != -1
        Builtins.y2milestone("Copying %1 to %2", inst_if_file, root)
        if Convert.to_integer(
          WFM.Execute(
            path(".local.bash"),
            Builtins.sformat(
              "grep -vi '^Sourcemounted' '%1' > %2/%1; chmod 0600 %2/%1",
              inst_if_file,
              root
            )
          )
        ) != 0
          Builtins.y2error(
            "Cannot SaveInstallInf %1 to %2",
            inst_if_file,
            root
          )
        end
      else
        Builtins.y2error(
          "Can't SaveInstallInf, file %1 doesn't exist",
          inst_if_file
        )
      end
    else
      Builtins.y2error("Can't SaveInstallInf, root is %1", root)
    end

    # just for debug so we can see the original install.inf later
    SCR.Execute(
      path(".target.bash"),
      Ops.add(
        Ops.add("/bin/cp /etc/install.inf ", root),
        "/var/lib/YaST2/install.inf"
      )
    )
    SCR.Execute(
      path(".target.bash"),
      Ops.add(
        Ops.add("/bin/chmod 0600 ", root),
        "/var/lib/YaST2/install.inf"
      )
    )
  end
  true
end

#serial_consoleObject

running via serial console


118
119
120
# File 'library/general/src/modules/Linuxrc.rb', line 118

def serial_console
  !InstallInf("Console").nil?
end

#textObject

we're running in textmode (-> UI::GetDisplayInfo())


151
152
153
# File 'library/general/src/modules/Linuxrc.rb', line 151

def text
  InstallInf("Textmode") == "1"
end

#useiscsiObject

Returns if iSCSI has been requested in Linuxrc.


146
147
148
# File 'library/general/src/modules/Linuxrc.rb', line 146

def useiscsi
  InstallInf("WithiSCSI") == "1"
end

#usesshObject

ssh mode ? if booted with 'vnc=1 usessh=1', keep vnc mode, but start sshd if booted with 'display_ip=1.2.3.4 usessh=1', keep remote X mode, but start sshd this has to be checked by the caller, not here


141
142
143
# File 'library/general/src/modules/Linuxrc.rb', line 141

def usessh
  InstallInf("UseSSH") == "1"
end

#value_for(feature_key) ⇒ String?

Returns value of a given Linxurc key/feature defined on commandline and written into install.inf


242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
# File 'library/general/src/modules/Linuxrc.rb', line 242

def value_for(feature_key)
  ReadInstallInf()
  feature_key = polish(feature_key)

  # at first check the keys in install.inf
  install_inf_key, install_inf_val = @install_inf.find { |k, _v| polish(k) == feature_key }
  return install_inf_val if install_inf_key

  # then check the command line
  ret = nil
  @install_inf.fetch("Cmdline", "").split.each do |cmdline_entry|
    key, val = cmdline_entry.split("=", 2)
    ret = val if polish(key) == feature_key
  end

  ret
end

#vncObject

vnc mode ?


128
129
130
# File 'library/general/src/modules/Linuxrc.rb', line 128

def vnc
  InstallInf("VNC") == "1"
end

#WriteYaSTInf(linuxrc) ⇒ void

This method returns an undefined value.

Write /etc/yast.inf during installation


166
167
168
169
170
171
172
173
174
175
176
177
178
179
# File 'library/general/src/modules/Linuxrc.rb', line 166

def WriteYaSTInf(linuxrc)
  linuxrc = deep_copy(linuxrc)
  yast_inf = ""
  Builtins.foreach(linuxrc) do |ykey, yvalue|
    yast_inf = Ops.add(
      Ops.add(Ops.add(Ops.add(yast_inf, ykey), ": "), yvalue),
      "\n"
    )
  end
  Builtins.y2milestone("WriteYaSTInf(%1) = %2", linuxrc, yast_inf)

  WFM.Write(path(".local.string"), "/etc/yast.inf", yast_inf) if !Mode.test
  nil
end