Class: Yast::LxcClass
- Inherits:
-
Module
- Object
- Module
- Yast::LxcClass
- Defined in:
- ../../src/modules/Lxc.rb
Instance Method Summary (collapse)
-
- (Object) CheckLXCConfiguration
Check if LXC is correctly configured.
-
- (Object) CryptPassword(pw)
Encrypt given password using current method.
-
- (Object) GetContainers
Read list of containers and their states.
- - (Object) main
-
- (Object) Read
Read all lxc settings.
-
- (Object) ReadBridgesIds
Read list of available bridges.
-
- (Object) ReadTemplates
read list of available templates.
Instance Method Details
- (Object) CheckLXCConfiguration
Check if LXC is correctly configured
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# File '../../src/modules/Lxc.rb', line 138 def CheckLXCConfiguration problem = false out = Convert.to_map( SCR.Execute(path(".target.bash_output"), "/usr/bin/id --user") ) root = Ops.get_string(out, "stdout", "") == "0\n" # zgrep does not seem to work with .target.bash_output -> grep uncompressed config tmpdir = Directory.tmpdir SCR.Execute( path(".target.bash_output"), Builtins.sformat( "cp /proc/config.gz '%1/' && gunzip '%1/config.gz'", String.Quote(tmpdir) ) ) out = Convert.to_map( SCR.Execute( path(".target.bash_output"), Builtins.sformat( "LANG=C GREP=grep CONFIG='%1/config' /usr/bin/lxc-checkconfig", String.Quote(tmpdir) ) ) ) rt = [] colors = { "blue" => "", "red" => "", "yellow" => "" } Builtins.foreach( Builtins.splitstring(Ops.get_string(out, "stdout", ""), "\n") ) do |line| colored = false Builtins.foreach(colors) do |name, color| raise Break if colored found2 = Builtins.find(line, color) if found2 != nil && Ops.greater_than(found2, 0) if @textmode line = Builtins.sformat( "%1<i>%2</i>", Builtins.substring(line, 0, found2), Builtins.substring(line, Ops.add(found2, Builtins.size(color))) ) else line = Builtins.sformat( "%1<font color=%2>%3</font>", Builtins.substring(line, 0, found2), name, Builtins.substring(line, Ops.add(found2, Builtins.size(color))) ) end colored = true if name == "red" || name == "yellow" # When running as root, "File capabilities" warning is not relevant (bnc#776172) if root && Builtins.issubstring(line, "File capabilities") Builtins.y2milestone( "File capabilities not met. Ignoring the warning for root user." ) else problem = true end end end end # 'normalizing' color found = Builtins.find(line, "") if found != nil && Ops.greater_or_equal(found, 0) line = Ops.add( Builtins.substring(line, 0, found), Builtins.substring(line, Ops.add(found, Builtins.size(""))) ) end rt = Builtins.add(rt, line) end return true if !problem UI.OpenDialog( Opt(:decorated), HBox( HSpacing(1.5), VSpacing(30), VBox( HSpacing(85), VSpacing(0.5), # info label (try to keep the text short) Label( _( "Some problems with LXC configuration were found. Check the documentation for details." ) ), VSpacing(0.5), # output follows in widget below Left(Label(_("Output of 'lxc-checkconfig' script:"))), RichText(Id(:rt), Builtins.mergestring(rt, "<br>")), PushButton("OK") ) ) ) UI.UserInput UI.CloseDialog false end |
- (Object) CryptPassword(pw)
Encrypt given password using current method
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# File '../../src/modules/Lxc.rb', line 81 def CryptPassword(pw) return Builtins.cryptmd5(pw) if @method == "md5" return Builtins.cryptblowfish(pw) if @method == "blowfish" return Builtins.cryptsha256(pw) if @method == "sha256" return Builtins.cryptsha512(pw) if @method == "sha512" Builtins.crypt(pw) end |
- (Object) GetContainers
Read list of containers and their states
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# File '../../src/modules/Lxc.rb', line 110 def GetContainers ret = {} out = Convert.to_map( SCR.Execute(path(".target.bash_output"), "lxc-ls -1") ) Builtins.foreach( Builtins.sort( Builtins.splitstring(Ops.get_string(out, "stdout", ""), "\n") ) ) do |line| if line != "" && !Builtins.haskey(ret, line) cmd = Builtins.sformat("lxc-info -n %1 | grep state", line) out = Convert.to_map( SCR.Execute(path(".target.bash_output"), cmd, { "LANG" => "C" }) ) state = Builtins.splitstring( Builtins.deletechars(Ops.get_string(out, "stdout", ""), " \t\n"), ":" ) Ops.set(ret, line, Ops.get(state, 1, "") == "RUNNING") end end deep_copy(ret) end |
- (Object) main
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# File '../../src/modules/Lxc.rb', line 35 def main Yast.import "UI" textdomain "lxc" Yast.import "Directory" Yast.import "FileUtils" Yast.import "Progress" Yast.import "Security" Yast.import "String" # text or graphic mode? @textmode = false # current password encryption method @method = "des" end |
- (Object) Read
Read all lxc settings
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# File '../../src/modules/Lxc.rb', line 247 def Read # Lxc read dialog caption caption = _("Initializing LXC Configuration") steps = 2 # We do not set help text here, because it was set outside Progress.New( caption, " ", steps, [ # Progress stage _("Check LXC availability"), # Progress stage _("Read system settings") ], [ # Progress step _("Check LXC availability..."), # Progress step _("Reading system settings..."), # Progress finished _("Finished") ], "" ) Progress.NextStage @textmode = Ops.get_boolean(UI.GetDisplayInfo, "TextMode", false) CheckLXCConfiguration() Progress.NextStage orig = Progress.set(false) Security.Read Progress.set(orig) security = Security.Export @method = Builtins.tolower( Ops.get_string(security, "PASSWD_ENCRYPTION", "des") ) Progress.NextStage true end |
- (Object) ReadBridgesIds
Read list of available bridges
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# File '../../src/modules/Lxc.rb', line 90 def ReadBridgesIds ret = [] if FileUtils.Exists("/sbin/brctl") out = Convert.to_map( SCR.Execute( path(".target.bash_output"), "/sbin/brctl show | tail -n +2 | cut -f 1" ) ) if Ops.get_string(out, "stdout", "") != "" ret = Builtins.maplist( Builtins.splitstring(Ops.get_string(out, "stdout", ""), "\n") ) { |line| line } end end deep_copy(ret) end |
- (Object) ReadTemplates
read list of available templates
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# File '../../src/modules/Lxc.rb', line 54 def ReadTemplates ret = [] out = Convert.to_map( SCR.Execute( path(".target.bash_output"), "rpm -ql lxc | grep 'templates/' | cut -f 2- -d -" ) ) if Ops.get_string(out, "stdout", "") != "" Builtins.foreach( Builtins.sort( Builtins.splitstring(Ops.get_string(out, "stdout", ""), "\n") ) ) do |line| if line != "" ret = Builtins.add( ret, # sles goes later = selected if present Item(line, line == "sles" || line == "opensuse") ) end end end deep_copy(ret) end |