Class: Yast::SystemFilesCopyClass

Inherits:
Module
  • Object
show all
Defined in:
src/modules/SystemFilesCopy.rb

Instance Method Summary collapse

Instance Method Details

#AdjustDirectoryPath(directory_path) ⇒ Object

internal functions for SaveInstSysContent -->



107
108
109
110
111
112
113
114
# File 'src/modules/SystemFilesCopy.rb', line 107

def AdjustDirectoryPath(directory_path)
  dir_path_list = Builtins.splitstring(directory_path, "/")

  dir_path_list = Builtins.filter(dir_path_list) { |one_dir| one_dir != "" }

  directory_path = Builtins.mergestring(dir_path_list, "/")
  Builtins.sformat("/%1/", directory_path)
end

#CopyFilesFromDirToDir(dir_from, dir_to) ⇒ Object



116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
# File 'src/modules/SystemFilesCopy.rb', line 116

def CopyFilesFromDirToDir(dir_from, dir_to)
  cmd = Builtins.sformat(
    "mkdir -p '%2' && cp -ar '%1.' '%2'",
    String.Quote(dir_from),
    String.Quote(dir_to)
  )
  cmd_run = Convert.to_map(WFM.Execute(path(".local.bash_output"), cmd))

  if Ops.get_integer(cmd_run, "exit", -1) == 0
    Builtins.y2milestone("Command >%1< succeeded", cmd)
    true
  else
    Builtins.y2error("Command %1 failed %2", cmd, cmd_run)
    false
  end
end

#CreateDirectoryIfMissing(create_directory) ⇒ Object

Checks whether the directory exists and creates it if it is missing If the path exists but it is not a directory, it tries to create another directory and returns its name. 'nil' is returned when everythig fails.

Parameters:

  • create_directory (String)

    directory to create



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
# File 'src/modules/SystemFilesCopy.rb', line 57

def CreateDirectoryIfMissing(create_directory)
  # path already exists
  if FileUtils.Exists(create_directory)
    # exists as a directory
    if FileUtils.IsDirectory(create_directory)
      Builtins.y2milestone("Directory %1 already exists", create_directory)
      create_directory
      # exists but it's not a directory
    else
      Builtins.y2warning("Path %1 is not a directory", create_directory)
      new_dir = nil

      while new_dir.nil? && Ops.greater_than(@counter_max, 0)
        @counter_max = Ops.subtract(@counter_max, 1)
        create_directory = Ops.add(create_directory, "x")
        new_dir = CreateDirectoryIfMissing(create_directory)
      end

      new_dir
    end

    # path doesn't exist
  else
    SCR.Execute(path(".target.mkdir"), create_directory)
    # created successfully
    if FileUtils.Exists(create_directory)
      Builtins.y2milestone("Directory %1 created", create_directory)
      create_directory
      # cannot create
    else
      Builtins.y2error("Cannot create path %1", create_directory)
      nil
    end
  end
end

#InitializeObject

Sets and creates a temporary directory for files to lay in inst-sys until they're copied to the installed system. Sets and creates a temporary directory that is used for mounting partitions when copying files from them.



97
98
99
100
101
102
103
# File 'src/modules/SystemFilesCopy.rb', line 97

def Initialize
  return true if @already_initialized

  # everything is fine
  @already_initialized = true
  true
end

#mainObject



33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
# File 'src/modules/SystemFilesCopy.rb', line 33

def main
  textdomain "installation"

  Yast.import "Directory"
  Yast.import "FileUtils"
  Yast.import "String"
  Yast.import "Installation"
  Yast.import "ProductFeatures"
  Yast.import "Stage"
  Yast.import "InstData"

  # --> Variables

  @already_initialized = false

  # max tries when creating a temporary mount-directory
  @counter_max = 10
end

#SaveInstSysContentObject

Function reads from control file and copies all content from inst-sys to the just installed system.

This function needs to be called in the inst-sys (first stage) just before the disk is unmounted.

FATE #301937

Structure:

 <globals>
     <save_instsys_content config:type="list">
         <save_instsys_item>
             <instsys_directory>/root/</instsys_directory>
             <system_directory>/root/inst-sys/</system_directory>
         </save_instsys_item>
     </save_instsys_content>
 </globals>


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
227
228
229
230
231
# File 'src/modules/SystemFilesCopy.rb', line 156

def SaveInstSysContent
  if !Stage.initial
    Builtins.y2error(
      "This function can be called in the initial stage only!"
    )
    return false
  end

  globals_features = ProductFeatures.GetSection("globals")

  if globals_features.nil?
    Builtins.y2warning("No <globals> defined")
    return false
  elsif Ops.get_list(globals_features, "save_instsys_content", []) == []
    Builtins.y2milestone("No items to copy from inst-sys")
    return true
  end

  save_content = Convert.convert(
    Ops.get(globals_features, "save_instsys_content"),
    from: "any",
    to:   "list <map <string, string>>"
  )
  if save_content.nil?
    Builtins.y2error(
      "Cannot save inst-sys content: %1",
      Ops.get(globals_features, "save_instsys_content")
    )
    return false
  end

  Builtins.y2milestone("Save inst-sys content: %1", save_content)
  Builtins.foreach(save_content) do |copy_item|
    if Ops.get(copy_item, "instsys_directory", "") == ""
      Builtins.y2error("Error: %1 is not defined", "instsys_directory")
      next
    elsif Ops.get(copy_item, "system_directory", "") == ""
      Builtins.y2error("Error: %1 is not defined", "system_directory")
      next
    end
    dir_from = Builtins.sformat(
      "/%1/",
      Ops.get(copy_item, "instsys_directory", "")
    )
    dir_to = Builtins.sformat(
      "/%1/%2/",
      Installation.destdir,
      Ops.get(copy_item, "system_directory", "")
    )
    dir_from = AdjustDirectoryPath(dir_from)
    dir_to = AdjustDirectoryPath(dir_to)
    if dir_from == dir_to
      Builtins.y2error(
        "Dir 'from (%1)' and 'to (%2)' mustn't be the same",
        dir_from,
        dir_to
      )
      next
    end
    # search ("/a", "/b") -> nil
    # search ("/a/b", "/a") -> 0
    # search ("/a/b/", "/b/") -> 2
    position_str_in_str = Builtins.search(dir_to, dir_from)
    if !position_str_in_str.nil? && position_str_in_str == 0
      Builtins.y2error(
        "Cannot copy a directory content to itself (%1 -> %2)",
        dir_from,
        dir_to
      )
      next
    end
    CopyFilesFromDirToDir(dir_from, dir_to)
  end

  true
end