Class: Yast::IscsiClientLibClass

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

Instance Method Summary (collapse)

Instance Method Details

- (Object) autoLogOn



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# File '../../src/modules/IscsiClientLib.rb', line 846

def autoLogOn
  Builtins.y2milestone("begin of autoLogOn function")
  if Ops.greater_than(Builtins.size(getiBFT), 0)
    Builtins.y2milestone(
      "Autologin into iBFT : %1",
      SCR.Execute(path(".target.bash_output"), GetAdmCmd("-m fw -l"))
    )
  end
  true
end

- (Object) autoyastPrepare



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# File '../../src/modules/IscsiClientLib.rb', line 952

def autoyastPrepare
  @initiatorname = Ops.get_string(@ay_settings, "initiatorname", "")
  if Ops.greater_than(Builtins.size(@initiatorname), 0)
    file = "/etc/iscsi/initiatorname.iscsi"
    SCR.Write(
      path(".target.string"),
      [file, 384],
      Builtins.sformat("InitiatorName=%1\n", @initiatorname)
    )
  else
    checkInitiatorName
  end
  # start daemon before
  startIScsid

  nil
end

- (Object) autoyastWrite



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# File '../../src/modules/IscsiClientLib.rb', line 970

def autoyastWrite
  # do discovery first
  portals = []
  ifaces = []
  ifacepar = ""
  Builtins.foreach(Ops.get_list(@ay_settings, "targets", [])) do |target|
    iface = Ops.get_string(target, "iface", "default")
    if !Builtins.contains(ifaces, iface)
      if Ops.greater_than(Builtins.size(ifacepar), 0)
        ifacepar = Ops.add(ifacepar, " ")
      end
      ifacepar = Ops.add(Ops.add(ifacepar, "-I "), iface)
      ifaces = Builtins.add(ifaces, iface)
    end
  end
  if Ops.greater_than(Builtins.size(Builtins.filter(ifaces) do |s|
      s != "default"
    end), 0)
    CallConfigScript()
  end
  Builtins.foreach(Ops.get_list(@ay_settings, "targets", [])) do |target|
    if !Builtins.contains(portals, Ops.get_string(target, "portal", ""))
      SCR.Execute(
        path(".target.bash"),
        GetAdmCmd(
          Builtins.sformat(
            "-m discovery %1 -t st -p %2",
            ifacepar,
            Ops.get_string(target, "portal", "")
          )
        )
      )
      portals = Builtins.add(portals, Ops.get_string(target, "portal", ""))
    end
  end
  Builtins.foreach(Ops.get_list(@ay_settings, "targets", [])) do |target|
    Builtins.y2internal("login into target %1", target)
    loginIntoTarget(target)
    @currentRecord = [
      Ops.get_string(target, "portal", ""),
      Ops.get_string(target, "target", ""),
      Ops.get_string(target, "iface", "")
    ]
    setStartupStatus(Ops.get_string(target, "startup", "manual"))
  end
  true
end

- (Object) CallConfigScript



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# File '../../src/modules/IscsiClientLib.rb', line 1453

def CallConfigScript
  sl = Builtins.filter(GetDiscIfaces()) { |s| s != "default" }
  Builtins.y2milestone("CallConfigScript list:%1", sl)
  Builtins.foreach(sl) do |s|
    hw = []
    hw = Ops.get(Builtins.maplist(Builtins.filter(@offload_valid) do |i, eth|
      Builtins.contains(
        Builtins.flatten(
          Convert.convert(eth, :from => "list", :to => "list <list>")
        ),
        s
      )
    end) { |i, e| e }, 0, [])
    Builtins.y2milestone("CallConfigScript hw:%1", hw)
    hw = Builtins.find(
      Convert.convert(hw, :from => "list", :to => "list <list>")
    ) { |l| Ops.get_string(l, 2, "") == s }
    Builtins.y2milestone("CallConfigScript hw:%1", hw)
    if hw != nil
      cmd = Ops.add(
        Ops.add(@offboard_script, " "),
        Ops.get_string(hw, 0, "")
      )
      Builtins.y2milestone("CallConfigScript cmd:%1", cmd)
      output = Convert.to_map(SCR.Execute(path(".target.bash_output"), cmd))
      Builtins.y2milestone("CallConfigScript %1", output)
    end
  end

  nil
end

- (Object) checkInitiatorName

check initiatorname if exist, if no - create it



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# File '../../src/modules/IscsiClientLib.rb', line 531

def checkInitiatorName
  ret = true
  file = "/etc/iscsi/initiatorname.iscsi"
  name_from_bios = Ops.get_string(getiBFT, "iface.initiatorname", "")
  # if (size((map<string, any>)SCR::Read (.target.lstat, file)) == 0 || ((map<string, any>)SCR::Read (.target.lstat, file))["size"]:0==0){
  @initiatorname = Ops.get_string(
    Convert.convert(
      SCR.Execute(
        path(".target.bash_output"),
        Builtins.sformat(
          "grep -v '^#' %1 | grep InitiatorName | cut -d'=' -f2 | tr -d '\n'",
          file
        )
      ),
      :from => "any",
      :to   => "map <string, any>"
    ),
    "stdout",
    ""
  )
  # }
  if Builtins.size(@initiatorname) == 0
    if Ops.greater_than(Builtins.size(name_from_bios), 0)
      Builtins.y2milestone(
        "%1 is empty or doesnt exists - replace with name stored in iBFT",
        file
      )
      @initiatorname = name_from_bios
    else
      Builtins.y2milestone("InitiatorName does not exist - generate it")
      domain = Ops.get_string(
        Convert.convert(
          SCR.Execute(path(".target.bash_output"), ""),
          :from => "any",
          :to   => "map <string, any>"
        ),
        "stdout",
        "com.example"
      )
      output = Convert.convert(
        SCR.Execute(
          path(".target.bash_output"),
          Builtins.sformat(
            "/sbin/iscsi-iname -p iqn.%1.%2:01 | tr -d '\n'",
            "`date +%Y-%m`",
            getReverseDomainName
          ),
          {}
        ),
        :from => "any",
        :to   => "map <string, any>"
      )
      if Builtins.size(Ops.get_string(output, "stderr", "")) == 0
        @initiatorname = Ops.get_string(output, "stdout", "")
      else
        ret = false
      end
    end
    ret = writeInitiatorName(@initiatorname)
  else
    Builtins.y2milestone(
      "checkInitiatorName initiatorname=%1",
      @initiatorname
    )
    if Ops.greater_than(Builtins.size(name_from_bios), 0) &&
        name_from_bios != @initiatorname
      Popup.Warning(
        _(
          "InitiatorName from iBFT and from <tt>/etc/iscsi/initiatorname.iscsi</tt>\n" +
            "differ. The old initiator name will be replaced by the value of iBFT and a \n" +
            "backup created. If you want to use a different initiator name, change it \n" +
            "in the BIOS.\n"
        )
      )
      Builtins.y2milestone(
        "replacing old name %1 by name %2 from iBFT",
        @initiatorname,
        name_from_bios
      )
      @initiatorname = name_from_bios
      ret = writeInitiatorName(@initiatorname)
    end
  end
  ret
end

- (Object) connected(check_ip)

check if given target is connected



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# File '../../src/modules/IscsiClientLib.rb', line 763

def connected(check_ip)
  Builtins.y2internal(
    "check connected status for %1 with IP check:%2",
    @currentRecord,
    check_ip
  )
  ret = false
  Builtins.foreach(@sessions) do |row|
    ip_ok = true
    list_row = Builtins.splitstring(row, " ")
    Builtins.y2milestone("Session row: %1", list_row)
    if check_ip
      session_ip = Ops.get(
                           Builtins.splitstring(Ops.get(list_row, 0, ""), ","),
                           0, "" )
      current_ip = Ops.get(
                           Builtins.splitstring(Ops.get(@currentRecord, 0, ""), ","),
                           0, "" )
      ip_ok = ipEqual?(session_ip, current_ip)
    end

    if Ops.get(list_row, 1, "") == Ops.get(@currentRecord, 1, "") &&
        Ops.get(list_row, 2, "") == Ops.get(@currentRecord, 2, "") &&
        ip_ok
      ret = true
      raise Break
    end
  end
  ret
end

- (Object) createMap(old_map, comments)

create map from given map in format needed by ini-agent



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# File '../../src/modules/IscsiClientLib.rb', line 266

def createMap(old_map, comments)
  old_map = deep_copy(old_map)
  comments = deep_copy(comments)
  comment = ""
  Builtins.foreach(comments) do |row|
    comment = Builtins.sformat("%1%2", comment, row)
  end
  {
    "name"    => Ops.get_string(old_map, "KEY", ""),
    "value"   => Ops.get_string(old_map, "VALUE", ""),
    "kind"    => "value",
    "type"    => 1,
    "comment" => comment
  }
end

- (Object) delete(old_list, key)

delete record with given key



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# File '../../src/modules/IscsiClientLib.rb', line 304

def delete(old_list, key)
  old_list = deep_copy(old_list)
  Builtins.y2milestone("Delete record for %1", key)
  new_list = []
  Builtins.foreach(old_list) do |row|
    if Ops.get_string(row, "name", "") != key
      new_list = Builtins.add(new_list, row)
    end
  end
  deep_copy(new_list)
end

- (Object) deleteRecord

delete deiscovered target from database



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# File '../../src/modules/IscsiClientLib.rb', line 619

def deleteRecord
  ret = true
  Builtins.y2milestone("Delete record %1", @currentRecord)

  retcode = Convert.convert(
    SCR.Execute(
      path(".target.bash_output"),
      GetAdmCmd(
        Builtins.sformat(
          "-m node -I %3 -T %1 -p %2 --logout",
          Ops.get(@currentRecord, 1, ""),
          Ops.get(@currentRecord, 0, ""),
          Ops.get(@currentRecord, 2, "default")
        )
      )
    ),
    :from => "any",
    :to   => "map <string, any>"
  )
  if Ops.greater_than(
      Builtins.size(Ops.get_string(retcode, "stderr", "")),
      0
    )
    return false
  end

  readSessions
  ret
end

- (String) GetAdmCmd(params, do_log = true)

Create and return complete iscsciadm command by adding the string argument as options. If allowed, write the command to y2log file.

Parameters:

  • params (String)

    options for iscsiadm command

  • do_log (Boolean) (defaults to: true)

    write command to y2log?

Returns:

  • (String)

    complete command



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# File '../../src/modules/IscsiClientLib.rb', line 102

def GetAdmCmd(params, do_log=true)
  ret = "LC_ALL=POSIX iscsiadm"
  ret = Ops.add(Ops.add(ret, " "), params)
  Builtins.y2milestone("GetAdmCmd: #{ret}") if do_log
  ret
end

- (Object) getConfig

read configuration file



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# File '../../src/modules/IscsiClientLib.rb', line 184

def getConfig
  # use cache if available
  if Builtins.size(@config) == 0
    @config = Convert.convert(
      SCR.Read(path(".etc.iscsid.all")),
      :from => "any",
      :to   => "map <string, any>"
    )
    Builtins.y2debug("read config %1", @config)
  end
  Ops.get_list(@config, "value", [])
end

- (Object) GetDiscIfaces



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# File '../../src/modules/IscsiClientLib.rb', line 1439

def GetDiscIfaces
  ret = []
  if GetOffloadCard() == "all"
    tl = Builtins.maplist(GetOffloadItems()) do |t|
      Ops.get_string(Builtins.argsof(t), [0, 0], "")
    end
    Builtins.y2milestone("GetDiscIfaces:%1", tl)
    ret = Builtins.filter(tl) { |s| s != "all" }
  else
    ret = [GetOffloadCard()]
  end
  Builtins.y2milestone("GetDiscIfaces:%1", ret)
  deep_copy(ret)
end

- (Object) getDiscovered

get all discovered targets



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# File '../../src/modules/IscsiClientLib.rb', line 401

def getDiscovered
  @discovered = []
  retcode = Convert.convert(
    SCR.Execute(path(".target.bash_output"), GetAdmCmd("-m node -P 1")),
    :from => "any",
    :to   => "map <string, any>"
  )
  if Builtins.size(Ops.get_string(retcode, "stderr", "")) == 0
    @discovered = ScanDiscovered(
      Builtins.splitstring(Ops.get_string(retcode, "stdout", ""), "\n")
    )
  end
  deep_copy(@discovered)
end

- (Object) GetDiscoveryCmd(ip, port, fw)



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# File '../../src/modules/IscsiClientLib.rb', line 1485

def GetDiscoveryCmd(ip, port, fw)
  Builtins.y2milestone("GetDiscoveryCmd ip:%1 port:%2 fw:%3", ip, port, fw)
  command = "-m discovery -P 1"
  if useISNS
    command = Ops.add(command, " -t isns")
  else
    ifs = GetDiscIfaces()
    Builtins.y2milestone("ifs=%1", ifs)
    ifs = Builtins.maplist(ifs) { |s| Ops.add("-I ", s) }
    Builtins.y2milestone("ifs=%1", ifs)
    tgt = "st"
    tgt = "fw" if fw
    command = Ops.add(
      command,
      Builtins.sformat(
        " -t %4 %3 -p %1:%2",
        ip,
        port,
        Builtins.mergestring(ifs, " "),
        tgt
      )
    )
  end
  command = GetAdmCmd(command)
  Builtins.y2milestone("GetDiscoveryCmd %1", command)
  command
end

- (Object) getiBFT

get iBFT (available only on some special hardware)



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# File '../../src/modules/IscsiClientLib.rb', line 121

def getiBFT
  if @ibft == nil
    if !Arch.i386 && !Arch.x86_64
      Builtins.y2milestone(
        "Because architecture %1 is is different from x86, not using iBFT",
        Arch.arch_short
      )
      return {}
    end
    @ibft = {}
    Builtins.y2milestone(
      "check and modprobe iscsi_ibft : %1",
      SCR.Execute(
        path(".target.bash_output"),
        "lsmod |grep -q iscsi_ibft || modprobe iscsi_ibft"
      )
    )
    from_bios = Ops.get_string(
      Convert.convert(
        SCR.Execute(path(".target.bash_output"), GetAdmCmd("-m fw")),
        :from => "any",
        :to   => "map <string, any>"
      ),
      "stdout",
      ""
    )
    Builtins.foreach(Builtins.splitstring(from_bios, "\n")) do |row|
      key_val = Builtins.splitstring(row, "=")
      #   if (size(key_val[0]:"")>0) ibft[key_val[0]:""] = key_val[1]:"";
      kv = String.CutBlanks(Ops.get(key_val, 0, ""))
      if Ops.greater_than(Builtins.size(kv), 0)
        Ops.set(@ibft, kv, String.CutBlanks(Ops.get(key_val, 1, "")))
      end
    end
  end
  Builtins.y2milestone("iBFT %1", hidePassword(@ibft))
  deep_copy(@ibft)
end

- (Object) getNode



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# File '../../src/modules/IscsiClientLib.rb', line 227

def getNode
  cmdline = GetAdmCmd(
    Builtins.sformat(
      "-S -m node -I %3 -T %1 -p %2",
      Ops.get(@currentRecord, 1, ""),
      Ops.get(@currentRecord, 0, ""),
      Ops.get(@currentRecord, 2, "default")
    )
  )
  cmd = Convert.convert(
    SCR.Execute(path(".target.bash_output"), cmdline),
    :from => "any",
    :to   => "map <string, any>"
  )
  return {} if Ops.get_integer(cmd, "exit", 0) != 0
  auth = {}
  Builtins.foreach(
    Builtins.splitstring(Ops.get_string(cmd, "stdout", ""), "\n")
  ) do |row|
    key = Ops.get(Builtins.splitstring(row, " = "), 0, "")
    val = Ops.get(Builtins.splitstring(row, " = "), 3, "")
    val = "" if val == "<empty>"
    case key
      when "node.session.auth.authmethod"
        Ops.set(auth, "authmethod", val)
      when "node.session.auth.username"
        Ops.set(auth, "username", val)
      when "node.session.auth.password"
        Ops.set(auth, "password", val)
      when "node.session.auth.username_in"
        Ops.set(auth, "username_in", val)
      when "node.session.auth.password_in"
        Ops.set(auth, "password_in", val)
    end
  end
  deep_copy(auth)
end

- (Object) GetOffloadCard



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# File '../../src/modules/IscsiClientLib.rb', line 81

def GetOffloadCard
  @offload_card
end

- (Object) GetOffloadItems



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# File '../../src/modules/IscsiClientLib.rb', line 1159

def GetOffloadItems
  i = 0
  init = false
  if @offload_valid == nil
    init = true
    InitIfaceFile()
    @offload_valid = {}
    cards = Convert.convert(
      SCR.Read(path(".probe.netcard")),
      :from => "any",
      :to   => "list <map>"
    )
    hw_mods = Builtins.maplist(cards) do |c|
      Builtins.y2milestone("GetOffloadItems card:%1", c)
      tmp = Builtins.maplist(Ops.get_list(c, "drivers", [])) do |m|
        Builtins.flatten(Ops.get_list(m, "modules", []))
      end
      r = {
        "modules" => Builtins.maplist(tmp) { |ml| Ops.get_string(ml, 0, "") },
        "iface"   => Ops.get_string(c, "dev_name", ""),
        "macaddr" => Ops.get_string(
          c,
          ["resource", "hwaddr", 0, "addr"],
          ""
        )
      }
      Builtins.y2milestone("GetOffloadItems cinf:%1", r)
      deep_copy(r)
    end
    idx = 0
    Builtins.foreach(@offload) do |l|
      valid = false
      mod = Convert.convert(
        Builtins.sort(Ops.get_list(l, 2, [])),
        :from => "list",
        :to   => "list <string>"
      )
      if Ops.greater_than(Builtins.size(mod), 0)
        i = 0
        Builtins.foreach(hw_mods) do |hw|
          if Ops.greater_than(
              Builtins.size(
                Builtins::Multiset.intersection(
                  mod,
                  Convert.convert(
                    Builtins.sort(Ops.get_list(hw, "modules", [])),
                    :from => "list",
                    :to   => "list <string>"
                  )
                )
              ),
              0
            )
            Builtins.y2milestone("GetOffloadItems l:%1", l)
            Builtins.y2milestone("GetOffloadItems valid:%1", hw)
            Ops.set(
              @offload_valid,
              idx,
              Builtins.add(
                Ops.get(@offload_valid, idx, []),
                [
                  Ops.get_string(hw, "iface", ""),
                  Ops.get_string(hw, "macaddr", ""),
                  Ops.add(
                    Ops.add(Ops.get_string(hw, "iface", ""), "-"),
                    Ops.get_string(l, [3, 0], "")
                  )
                ]
              )
            )
          end
        end
      end
      idx = Ops.add(idx, 1)
    end
    offload_res = {}
    cmd = ""
    Builtins.foreach(@offload_valid) do |i2, eth|
      Ops.set(
        @offload_valid,
        i2,
        Builtins.filter(
          Convert.convert(eth, :from => "list", :to => "list <list>")
        ) do |l|
          cmd = Ops.add(
            Ops.add(
              Ops.add(@offboard_script, " "),
              Ops.get_string(l, 0, "")
            ),
            " | grep ..:..:..:.."     # grep for lines containing MAC address
          )
          Builtins.y2milestone("GetOffloadItems cmd:%1", cmd)
          out = Convert.to_map(
            SCR.Execute(path(".target.bash_output"), cmd)
          )
          # Example for output if offload is supported on interface:
          # cmd: iscsi_offload eth2
          # out: $["exit":0, "stderr":"", "stdout":"00:00:c9:b1:bc:7f ip \n"]
          Builtins.y2milestone(
            "GetOffloadItems iscsi_offload out:%1",
            SCR.Execute(
              path(".target.bash_output"),
              Ops.add(
                Ops.add(@offboard_script, " "),
                Ops.get_string(l, 0, "")
              )
            )
          )
          Ops.set(offload_res, Ops.get_string(l, 0, ""), {})
          Ops.set(
            offload_res,
            [Ops.get_string(l, 0, ""), "exit"],
            Ops.get_integer(out, "exit", 1)
          )
          sl = []
          if Ops.get_integer(out, "exit", 1) == 0
            sl = Builtins.splitstring(
              Ops.get_string(out, "stdout", ""),
              " \n"
            )
            Ops.set(
              offload_res,
              [Ops.get_string(l, 0, ""), "hwaddr"],
              Ops.get(sl, 0, "")
            )
            Ops.set(
              offload_res,
              [Ops.get_string(l, 0, ""), "ntype"],
              Ops.get(sl, 1, "")
            )
          end
          Ops.get_integer(out, "exit", 1) == 0 &&
            Ops.greater_than(Builtins.size(Ops.get(sl, 0, "")), 0)
        end
      )
    end
    Builtins.y2milestone("GetOffloadItems offload_res:%1", offload_res)
    Builtins.y2milestone("GetOffloadItems offload_valid:%1", @offload_valid)
    Builtins.foreach(@offload_valid) do |i2, eth|
      Ops.set(
        @offload_valid,
        i2,
        Builtins.maplist(
          Convert.convert(eth, :from => "list", :to => "list <list>")
        ) do |l|
          Ops.set(
            l,
            1,
            Ops.get_string(
              offload_res,
              [Ops.get_string(l, 0, ""), "hwaddr"],
              ""
            )
          )
          deep_copy(l)
        end
      )
    end
    Builtins.y2milestone("GetOffloadItems offload_valid:%1", @offload_valid)
    Builtins.foreach(@offload_valid) do |i2, eth|
      Ops.set(
        @offload_valid,
        i2,
        Builtins.maplist(
          Convert.convert(eth, :from => "list", :to => "list <list>")
        ) do |l|
          cmd = Ops.add("LC_ALL=POSIX ifconfig ", Ops.get_string(l, 0, ""))
          Builtins.y2milestone("GetOffloadItems cmd:%1", cmd)
          out = Convert.to_map(
            SCR.Execute(path(".target.bash_output"), cmd)
          )
          Builtins.y2milestone("GetOffloadItems out:%1", out)
          # Search for lines containing "init addr", means IPv4 address.
          # Regarding the IPv6 support there are no changes needed here because
          # the IP address is not used farther.
          line = Ops.get(
            Builtins.filter(
              Builtins.splitstring(Ops.get_string(out, "stdout", ""), "\n")
            ) { |ln| Builtins.search(ln, "inet addr:") != nil },
            0,
            ""
          )
          Builtins.y2milestone("GetOffloadItems line:%1", line)
          ipaddr = "unknown"
          if Ops.greater_than(Builtins.size(line), 0)
            line = Builtins.substring(
              line,
              Ops.add(Builtins.search(line, "inet addr:"), 10)
            )
            Builtins.y2milestone("GetOffloadItems line:%1", line)
            ipaddr = Builtins.substring(
              line,
              0,
              Builtins.findfirstof(line, " \t")
            )
          end
          l = Builtins.add(l, ipaddr)
          deep_copy(l)
        end
      )
    end
    Builtins.y2milestone("GetOffloadItems offload_valid:%1", @offload_valid)
  end
  entries = {}
  Builtins.foreach(@offload_valid) do |i2, eth|
    Builtins.foreach(
      Convert.convert(eth, :from => "list", :to => "list <list>")
    ) do |l|
      if Ops.greater_than(Builtins.size(Ops.get_string(l, 0, "")), 0)
        s = Ops.get_string(l, 0, "")
        if Ops.greater_than(Builtins.size(Ops.get_string(l, 1, "")), 0)
          s = Ops.add(Ops.add(s, " - "), Ops.get_string(l, 1, ""))
        end
        s = Ops.add(
          Ops.add(s, " - "),
          Ops.get_string(@offload, [i2, 1], "")
        )
        Ops.set(entries, Ops.get_string(l, 2, ""), s)
      end
    end
  end
  Builtins.y2milestone("GetOffloadItems entries:%1", entries)
  @iface_eth = Builtins.sort(Builtins.maplist(entries) { |e, val| e })
  Builtins.y2milestone("GetOffloadItems eth:%1", @iface_eth)
  if init
    @offload_card = InitOffloadCard()
    Builtins.y2milestone("GetOffloadItems offload_card:%1", @offload_card)
  end
  ret = [
    Item(
      Id(Ops.get_string(@offload, [0, 0], "")),
      Ops.get_string(@offload, [0, 1], ""),
      @offload_card == Ops.get_string(@offload, [0, 0], "")
    )
  ]
  if Ops.greater_than(Builtins.size(@offload_valid), 0)
    ret = Builtins.add(
      ret,
      Item(
        Id(Ops.get_string(@offload, [1, 0], "")),
        Ops.get_string(@offload, [1, 1], ""),
        @offload_card == Ops.get_string(@offload, [1, 0], "")
      )
    )
  end
  ret = Convert.convert(
    Builtins.merge(ret, Builtins.maplist(@iface_eth) do |e|
      Item(Id(e), Ops.get(entries, e, ""), @offload_card == e)
    end),
    :from => "list",
    :to   => "list <term>"
  )
  Builtins.y2milestone("GetOffloadItems ret:%1", ret)
  deep_copy(ret)
end

- (Object) GetOffloadModules



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# File '../../src/modules/IscsiClientLib.rb', line 1415

def GetOffloadModules
  it = nil
  it = GetOffloadItems() if @offload_valid == nil
  modules = []
  Builtins.foreach(@offload_valid) do |i, l|
    modules = Convert.convert(
      Builtins.union(modules, Ops.get_list(@offload, [i, 3], [])),
      :from => "list",
      :to   => "list <string>"
    )
  end
  Builtins.y2milestone("GetOffloadModules %1", modules)
  deep_copy(modules)
end

- (Object) getReverseDomainName



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# File '../../src/modules/IscsiClientLib.rb', line 502

def getReverseDomainName
  host_fq = Hostname.SplitFQ(
    Ops.get_string(
      Convert.convert(
        SCR.Execute(path(".target.bash_output"), "hostname -f|tr -d '\n'"),
        :from => "any",
        :to   => "map <string, any>"
      ),
      "stdout",
      ""
    )
  )
  Builtins.y2internal("hostfw%1", host_fq)
  domain = ""

  Builtins.foreach(
    Builtins.splitstring(Ops.get(host_fq, 1, "example.com"), ".")
  ) do |item|
    Builtins.y2internal("item %1", item)
    domain = Builtins.size(domain) == 0 ?
      item :
      Builtins.sformat("%1.%2", item, domain)
  end

  Builtins.y2milestone("domain %1", domain)
  domain
end

- (Object) getServiceStatus

get status of iscsid



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# File '../../src/modules/IscsiClientLib.rb', line 920

def getServiceStatus
  ret = true
  if Stage.initial
    ModuleLoading.Load("iscsi_tcp", "", "", "", false, true)
    # start daemon before
    startIScsid
  else
    @serviceStatus = true if Service.Status("iscsid") == 0
    Builtins.y2milestone("Service status = %1", @serviceStatus)
    # if not enabled, start it manually
    Service.Start("iscsid") if !@serviceStatus
  end
  ret
end

- (Object) GetStartService

get accessor for service status



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# File '../../src/modules/IscsiClientLib.rb', line 162

def GetStartService
  status = Service.Enabled("iscsid")
  Builtins.y2milestone("Status of iscsid %1", status)
  status
end

- (Object) getStartupStatus

get (manual/onboot) status of target connecting



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# File '../../src/modules/IscsiClientLib.rb', line 650

def getStartupStatus
  status = ""
  Builtins.y2milestone("Getting status of record %1", @currentRecord)
  retcode = Convert.convert(
    SCR.Execute(
      path(".target.bash_output"),
      GetAdmCmd(
        Builtins.sformat(
          "-m node -I %3 -T %1 -p %2",
          Ops.get(@currentRecord, 1, ""),
          Ops.get(@currentRecord, 0, ""),
          Ops.get(@currentRecord, 2, "default")
        )
      )
    ),
    :from => "any",
    :to   => "map <string, any>"
  )
  if Ops.greater_than(
      Builtins.size(Ops.get_string(retcode, "stderr", "")),
      0
    )
    return ""
  end
  Builtins.foreach(
    Builtins.splitstring(Ops.get_string(retcode, "stdout", ""), "\n")
  ) do |row|
    if Builtins.issubstring(row, "node.conn[0].startup")
      status = Ops.get(Builtins.splitstring(row, " "), 2, "")
      raise Break
    end
  end
  Builtins.y2milestone(
    "Startup status for %1 is %2",
    @currentRecord,
    status
  )
  status
end

- (Object) hidePassword(orig)



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# File '../../src/modules/IscsiClientLib.rb', line 109

def hidePassword(orig)
  orig = deep_copy(orig)
  hidden = {}
  Builtins.foreach(orig) do |key, value|
    value = "*****" if Builtins.issubstring(key, "PASS")
    Ops.set(hidden, key, value)
  end
  deep_copy(hidden)
end

- (Object) InitIfaceFile



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# File '../../src/modules/IscsiClientLib.rb', line 1101

def InitIfaceFile
  @iface_file = {}
  files = Convert.convert(
    SCR.Read(path(".target.dir"), "/etc/iscsi/ifaces"),
    :from => "any",
    :to   => "list <string>"
  )
  Builtins.y2milestone("InitIfaceFile files:%1", files)
  if files == nil || Builtins.size(files) == 0
    cmd = GetAdmCmd("-m iface")
    Builtins.y2milestone("InitIfaceFile cmd:%1", cmd)
    Builtins.y2milestone(
      "InitIfaceFile ret:%1",
      SCR.Execute(path(".target.bash_output"), cmd)
    )
    files = Convert.convert(
      SCR.Read(path(".target.dir"), "/etc/iscsi/ifaces"),
      :from => "any",
      :to   => "list <string>"
    )
    Builtins.y2milestone("InitIfaceFile files:%1", files)
  end
  Builtins.foreach(files) do |file|
    ls = Builtins.splitstring(
      Convert.to_string(
        SCR.Read(
          path(".target.string"),
          Ops.add("/etc/iscsi/ifaces/", file)
        )
      ),
      "\n"
    )
    Builtins.y2milestone("InitIfaceFile file:%1", file)
    Builtins.y2milestone("InitIfaceFile ls:%1", ls)
    ls = Builtins.filter(ls) do |l|
      Builtins.search(l, "iface.iscsi_ifacename") != nil
    end
    Builtins.y2milestone("InitIfaceFile ls:%1", ls)
    if Ops.greater_than(Builtins.size(ls), 0)
      Ops.set(
        @iface_file,
        Ops.get(
          Builtins.splitstring(
            Builtins.deletechars(Ops.get(ls, 0, ""), " "),
            "="
          ),
          1,
          ""
        ),
        file
      )
    end
  end
  Builtins.y2milestone("InitIfaceFile iface_file:%1", @iface_file)

  nil
end

- (Object) InitOffloadCard



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# File '../../src/modules/IscsiClientLib.rb', line 1070

def InitOffloadCard
  ret = "default"
  retcode = Convert.convert(
    SCR.Execute(path(".target.bash_output"), GetAdmCmd("-m node -P 1")),
    :from => "any",
    :to   => "map <string, any>"
  )
  ifaces = []
  if Builtins.size(Ops.get_string(retcode, "stderr", "")) == 0
    Builtins.foreach(
      ScanDiscovered(
        Builtins.splitstring(Ops.get_string(retcode, "stdout", ""), "\n")
      )
    ) do |s|
      sl = Builtins.splitstring(s, "  ")
      if Ops.greater_than(Builtins.size(Ops.get(sl, 2, "")), 0) &&
          !Builtins.contains(ifaces, Ops.get(sl, 2, ""))
        ifaces = Builtins.add(ifaces, Ops.get(sl, 2, ""))
      end
    end
  end
  Builtins.y2milestone("InitOffloadCard ifaces:%1", ifaces)
  if Ops.greater_than(Builtins.size(ifaces), 1)
    ret = "all"
  elsif Builtins.contains(@iface_eth, Ops.get(ifaces, 0, ""))
    ret = Ops.get(ifaces, 0, "default")
  end
  Builtins.y2milestone("InitOffloadCard ret:%1", ret)
  ret
end

- (Boolean) ipEqual?(session_ip, current_ip)

check whether two given IP addresses (including ports) are equal

Returns:

  • (Boolean)


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# File '../../src/modules/IscsiClientLib.rb', line 722

def ipEqual?(session_ip, current_ip)
  if !session_ip || !current_ip
    return false
  end
  if session_ip.empty? || current_ip.empty?
    return false
  end

  if !session_ip.start_with?("[") && !current_ip.start_with?("[")
    # both IPv4 - compare directly
    return session_ip == current_ip
  elsif session_ip.start_with?("[") && current_ip.start_with?("[")
    # both IPv6 - compare IPv6 and port separately
    ip_port_regex = /\[([:\w]+)\](:(\d+))?/

    if match_data = session_ip.match(ip_port_regex)
      s_ip = IPAddr.new(match_data[1] || "")
      s_port = match_data[3] || ""
    else
      Builtins.y2error("Session IP %1 not matching", session_ip)
      return false
    end
    if match_data = current_ip.match(ip_port_regex)
      c_ip = IPAddr.new(match_data[1] || "")
      c_port = match_data[3] || ""
    else
      Builtins.y2error("Current IP %1 not matching", current_ip)
      return false
    end
    return (s_ip == c_ip) && (s_port == c_port)
  else
    # comparing IPv4 and IPv6
    return false
  end

rescue ArgumentError => e
  Builtins.y2error("Invalid IP address, error: %1", "#{e}")
  false
end

- (Object) LoadOffloadModules



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# File '../../src/modules/IscsiClientLib.rb', line 1430

def LoadOffloadModules
  mods = GetOffloadModules()
  Builtins.foreach(mods) do |s|
    Builtins.y2milestone("Loading module %1", s)
    ModuleLoading.Load(s, "", "", "", false, true)
  end
  deep_copy(mods)
end

- (Object) loginIntoTarget(target)



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# File '../../src/modules/IscsiClientLib.rb', line 858

def loginIntoTarget(target)
  target = deep_copy(target)
  @currentRecord = [
    Ops.get_string(target, "portal", ""),
    Ops.get_string(target, "target", ""),
    Ops.get_string(target, "iface", "")
  ]
  if Ops.get_string(target, "authmethod", "None") != "None"
    user_in = Ops.get_string(target, "username_in", "")
    pass_in = Ops.get_string(target, "password_in", "")
    if Ops.greater_than(Builtins.size(user_in), 0) &&
        Ops.greater_than(Builtins.size(pass_in), 0)
      setValue("node.session.auth.username_in", user_in)
      setValue("node.session.auth.password_in", pass_in)
    else
      setValue("node.session.auth.username_in", "")
      setValue("node.session.auth.password_in", "")
    end
    user_out = Ops.get_string(target, "username", "")
    pass_out = Ops.get_string(target, "password", "")
    if Ops.greater_than(Builtins.size(user_out), 0) &&
        Ops.greater_than(Builtins.size(pass_out), 0)
      setValue("node.session.auth.username", user_out)
      setValue("node.session.auth.password", pass_out)
      setValue("node.session.auth.authmethod", "CHAP")
    else
      setValue("node.session.auth.username", "")
      setValue("node.session.auth.password", "")
      setValue("node.session.auth.authmethod", "None")
    end
  else
    setValue("node.session.auth.authmethod", "None")
  end

  output = Convert.convert(
    SCR.Execute(
      path(".target.bash_output"),
      GetAdmCmd(
        Builtins.sformat(
          "-m node -I %3 -T %1 -p %2 --login",
          Ops.get_string(target, "target", ""),
          Ops.get_string(target, "portal", ""),
          Ops.get_string(target, "iface", "")
        )
      )
    ),
    :from => "any",
    :to   => "map <string, any>"
  )
  Builtins.y2internal("output %1", output)
  # if (output["exit"]:-1==0){
  # set startup status to auto by default (bnc#400610)
  setStartupStatus("onboot") if !Mode.autoinst
  true 
  # } else {
  # 	y2error("Error while Log-on into target : %1", output);
  # 	return false;
  # 	}
end

- (Object) main



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# File '../../src/modules/IscsiClientLib.rb', line 29

def main
  textdomain "iscsi-client"

  Yast.import "Service"
  Yast.import "Popup"
  Yast.import "Hostname"
  Yast.import "Stage"
  Yast.import "ModuleLoading"
  Yast.import "Mode"
  Yast.import "String"
  Yast.import "Arch"

  @sessions = []
  @discovered = []
  @targets = []
  @currentRecord = []
  @iface_file = {}
  @iface_eth = []

  # status of rciscsid service
  @serviceStatus = false
  # main configuration file (/etc/iscsi/iscsid.conf)
  @config = {}
  # iBFT (iSCSI Boot Firmware Table)
  @ibft = nil
  # InitiatorName file (/etc/iscsi/initiatorname.iscsi)
  @initiatorname = ""
  # map used for autoYaST
  @ay_settings = nil
  # interface type for hardware offloading
  @offload_card = "default"

  @offboard_script = "iscsi_offload"

  @offload = [
    ["default", "default" + " " + _("(Software)"), [], []],
    ["all", "all", [], []],
    ["bnx2", "bnx2/bnx2i/bnx2x", ["bnx2", "bnx2i", "bnx2x"], ["bnx2i"]],
    ["cxgb3", "cxgb3/cxgb3i", ["cxgb3", "cxgb3i"], ["cxgb3i"]],
    ["enic", "enic/cnic/fnic", ["enic", "fnic"], ["fnic"]],
    [
      "qla4xxx",
      "qla3xxx/qla4xxx",
      ["qla4xxx", "qla3xxx", "qlcnic"],
      ["qla4xxx"]
    ],
    ["be2net", "be2net/be2iscsi", ["be2net", "be2iscsi"], ["be2iscsi"]]
  ]

  @offload_valid = nil
end

- (Object) oldConfig

write temporary changed old config



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# File '../../src/modules/IscsiClientLib.rb', line 218

def oldConfig
  Builtins.y2milestone("Store temporary config %1", @config)
  SCR.Write(path(".etc.iscsid.all"), @config)
  SCR.Write(path(".etc.iscsid"), nil)

  nil
end

- (Object) Overview



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# File '../../src/modules/IscsiClientLib.rb', line 1018

def Overview
  overview = _("Configuration summary...")
  if Ops.greater_than(Builtins.size(@ay_settings), 0)
    overview = ""
    if Ops.greater_than(
        Builtins.size(Ops.get_string(@ay_settings, "initiatorname", "")),
        0
      )
      overview = Ops.add(
        Ops.add(
          Ops.add(overview, "<p><b>Initiatorname: </b>"),
          Ops.get_string(@ay_settings, "initiatorname", "")
        ),
        "</p>"
      )
    end
    if Ops.greater_than(
        Builtins.size(Ops.get_list(@ay_settings, "targets", [])),
        0
      )
      Builtins.foreach(Ops.get_list(@ay_settings, "targets", [])) do |target|
        overview = Ops.add(
          Ops.add(
            Ops.add(
              Ops.add(
                Ops.add(
                  Ops.add(
                    Ops.add(
                      Ops.add(
                        Ops.add(overview, "<p>"),
                        Ops.get_string(target, "portal", "")
                      ),
                      ", "
                    ),
                    Ops.get_string(target, "target", "")
                  ),
                  ", "
                ),
                Ops.get_string(target, "iface", "")
              ),
              ", "
            ),
            Ops.get_string(target, "startup", "")
          ),
          "</p>"
        )
      end
    end
  end
  overview
end

- (Object) readSessions

get all connected targets



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# File '../../src/modules/IscsiClientLib.rb', line 441

def readSessions
  Builtins.y2milestone("reading current settings")
  retcode = Convert.convert(
    SCR.Execute(path(".target.bash_output"), GetAdmCmd("-m session -P 1")),
    :from => "any",
    :to   => "map <string, any>"
  )
  @sessions = ScanDiscovered(
    Builtins.splitstring(Ops.get_string(retcode, "stdout", ""), "\n")
  )
  Builtins.y2milestone(
    "Return list from iscsiadm -m session: %1",
    @sessions
  )
  true
end

- (Object) saveConfig(user_in, pass_in, user_out, pass_out)

temporary change config for discovery authentication



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# File '../../src/modules/IscsiClientLib.rb', line 317

def saveConfig(user_in, pass_in, user_out, pass_out)
  Builtins.y2milestone("Save config")
  tmp_conf = deep_copy(@config)
  tmp_val = Ops.get_list(tmp_conf, "value", [])

  if Ops.greater_than(Builtins.size(user_in), 0) &&
      Ops.greater_than(Builtins.size(pass_in), 0)
    tmp_val = setOrAdd(tmp_val, "node.session.auth.username", user_in)
    tmp_val = setOrAdd(tmp_val, "node.session.auth.password", pass_in)
  else
    tmp_val = delete(tmp_val, "node.session.auth.username")
    tmp_val = delete(tmp_val, "node.session.auth.password")
  end

  if Ops.greater_than(Builtins.size(user_out), 0) &&
      Ops.greater_than(Builtins.size(pass_out), 0)
    tmp_val = setOrAdd(
      tmp_val,
      "discovery.sendtargets.auth.authmethod",
      "CHAP"
    )
    tmp_val = setOrAdd(
      tmp_val,
      "discovery.sendtargets.auth.username",
      user_out
    )
    tmp_val = setOrAdd(
      tmp_val,
      "discovery.sendtargets.auth.password",
      pass_out
    )
  else
    tmp_val = delete(tmp_val, "discovery.sendtargets.auth.authmethod")
    tmp_val = delete(tmp_val, "discovery.sendtargets.auth.username")
    tmp_val = delete(tmp_val, "discovery.sendtargets.auth.password")
  end
  Ops.set(tmp_conf, "value", tmp_val)
  SCR.Write(path(".etc.iscsid.all"), tmp_conf)
  SCR.Write(path(".etc.iscsid"), nil)

  nil
end

- (Object) ScanDiscovered(data)

Called for data (output) of commands: iscsiadm -m node -P 1 iscsiadm -m session -P 1



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# File '../../src/modules/IscsiClientLib.rb', line 363

def ScanDiscovered(data)
  data = deep_copy(data)
  ret = []
  target = ""
  portal = ""
  iface = ""
  Builtins.y2milestone("Got data: %1", data)

  Builtins.foreach(data) do |row|
    row = Builtins.substring(row, Builtins.findfirstnotof(row, "\t "), 999)
    if Builtins.search(row, "Target:") != nil
      target = Ops.get(Builtins.splitstring(row, " "), 1, "")
    elsif Builtins.search(row, "Portal:") != nil
      if Builtins.search(row, "Current Portal:") != nil
        portal = Ops.get(Builtins.splitstring(row, " "), 2, "")
      elsif Builtins.search(row, "Persistent Portal:") != nil
        # 'Persistent Portal' overwrites current (is used for login)
        portal = Ops.get(Builtins.splitstring(row, " "), 2, "")
      else
        # read 'Portal' (from output of -m node)
        portal = Ops.get(Builtins.splitstring(row, " "), 1, "")
      end
      pos = Builtins.search(portal, ",")
      portal = Builtins.substring(portal, 0, pos) if pos != nil
    elsif Builtins.search(row, "Iface Name:") != nil
      iface = Ops.get(Builtins.splitstring(row, " "), 2, "")
      iface = Ops.get(@iface_file, iface, iface)
      # don't add Scope:Link IPv6 address
      if !portal.start_with?("[fe80:")
        ret = ret << "#{portal} #{target} #{iface}"
      end
    end
  end
  Builtins.y2milestone("ScanDiscovered ret:%1", ret)
  deep_copy(ret)
end

- (Object) setConfig(new_config)



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# File '../../src/modules/IscsiClientLib.rb', line 197

def setConfig(new_config)
  new_config = deep_copy(new_config)
  Ops.set(@config, "value", new_config)

  nil
end

- (Object) SetOffloadCard(new_card)



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# File '../../src/modules/IscsiClientLib.rb', line 85

def SetOffloadCard(new_card)
  Builtins.y2milestone("SetOffloadCard:%1 cur:%2", new_card, @offload_card)
  if new_card != @offload_card
    @offload_card = new_card
    CallConfigScript() if new_card != "default"
  end

  nil
end

- (Object) setOrAdd(old_list, key, value)

add or modify given map



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# File '../../src/modules/IscsiClientLib.rb', line 283

def setOrAdd(old_list, key, value)
  old_list = deep_copy(old_list)
  new_list = []
  found = false
  Builtins.foreach(old_list) do |row|
    if Ops.get_string(row, "name", "") == key
      found = true
      Ops.set(row, "value", value)
    end
    new_list = Builtins.add(new_list, row)
  end
  if !found
    new_list = Builtins.add(
      new_list,
      createMap({ "KEY" => key, "VALUE" => value }, [])
    )
  end
  deep_copy(new_list)
end

- (Object) setServiceStatus

set startup status of iscsid



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# File '../../src/modules/IscsiClientLib.rb', line 936

def setServiceStatus
  ret = true
  # if disabled and no connected targets - stop it
  # otherwise keep it running
  if !GetStartService()
    readSessions
    if Builtins.size(@sessions) == 0
      Builtins.y2milestone("No active sessions - stopping service")
      Service.Stop("iscsid")
    end
  end
  Builtins.y2milestone("Status service for iscsid: %1", ret)
  ret
end

- (Object) SetStartService(status)

set accessor for service status



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# File '../../src/modules/IscsiClientLib.rb', line 169

def SetStartService(status)
  Builtins.y2milestone("Set status of iscsid to %1", status)
  if status == true
    Service.Enable("boot.iscsid-early")
    Service.Enable("iscsid")
  else
    Service.Disable("boot.iscsid-early")
    Service.Disable("iscsid")
  end

  nil
end

- (Object) setStartupStatus(status)

change startup status (manual/onboot) for target



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# File '../../src/modules/IscsiClientLib.rb', line 795

def setStartupStatus(status)
  Builtins.y2milestone(
    "Set startup status for %1 to %2",
    @currentRecord,
    status
  )
  ret = true
  retcode = Convert.convert(
    SCR.Execute(
      path(".target.bash_output"),
      GetAdmCmd(
        Builtins.sformat(
          "-m node -I%3 -T %1 -p %2 --op=update --name=node.conn[0].startup --value=%4",
          Ops.get(@currentRecord, 1, ""),
          Ops.get(@currentRecord, 0, ""),
          Ops.get(@currentRecord, 2, "default"),
          status
        )
      )
    ),
    :from => "any",
    :to   => "map <string, any>"
  )
  if Ops.greater_than(
      Builtins.size(Ops.get_string(retcode, "stderr", "")),
      0
    )
    return false
  else
    retcode = Convert.convert(
      SCR.Execute(
        path(".target.bash_output"),
        GetAdmCmd(
          Builtins.sformat(
            "-m node -I %3 -T %1 -p %2 --op=update --name=node.startup --value=%4",
            Ops.get(@currentRecord, 1, ""),
            Ops.get(@currentRecord, 0, ""),
            Ops.get(@currentRecord, 2, "default"),
            status
          )
        )
      ),
      :from => "any",
      :to   => "map <string, any>"
    )
  end

  Builtins.y2internal("retcode %1", retcode)
  ret
end

- (Object) setValue(name, value)

update authentication value



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# File '../../src/modules/IscsiClientLib.rb', line 691

def setValue(name, value)
  rec = @currentRecord
  Builtins.y2milestone("set %1  for record %2", name, rec)

  log = !name.include?("password");
  cmd = "-m node -I #{rec[2]||"default"} -T #{rec[1]||""} -p #{rec[0]||""} --name=#{name}"

  command = GetAdmCmd("#{cmd} --value=#{value}", log)
  if !log
    value = "*****" if !value.empty?
    Builtins.y2milestone("AdmCmd:LC_ALL=POSIX iscsiadm #{cmd} --value=#{value}")
  end

  ret = true
  retcode = Convert.convert(
    SCR.Execute(path(".target.bash_output"), command),
    :from => "any",
    :to   => "map <string, any>"
  )
  if Ops.greater_than(
      Builtins.size(Ops.get_string(retcode, "stderr", "")),
      0
    )
    Builtins.y2error("%1", Ops.get_string(retcode, "stderr", ""))
    ret = false
  end
  Builtins.y2milestone("return value %1", ret)
  ret
end

- (Object) startIScsid



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# File '../../src/modules/IscsiClientLib.rb', line 417

def startIScsid
  SCR.Execute(path(".target.bash"), "pgrep iscsid || iscsid")
  Builtins.foreach([0, 1, 2, 3, 4, 5, 6, 7, 8, 9]) do |i|
    Builtins.sleep(1 * 1000)
    cmd = Convert.convert(
      SCR.Execute(path(".target.bash_output"), GetAdmCmd("-m session")),
      :from => "any",
      :to   => "map <string, any>"
    )
    Builtins.y2internal(
      "iteration %1, retcode %2",
      i,
      Ops.get_integer(cmd, "exit", -1)
    )
    if Ops.get_integer(cmd, "exit", -1) == 0
      Builtins.y2internal("Good response from daemon, exit.")
      raise Break
    end
  end

  nil
end

- (Object) useISNS

do we use iSNS for targets?



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# File '../../src/modules/IscsiClientLib.rb', line 205

def useISNS
  use = false
  Builtins.foreach(getConfig) do |row|
    if Ops.get_string(row, "name", "") == "isns.address" ||
        Ops.get_string(row, "name", "") == "isns.port"
      use = true
    end
  end
  use
end

- (Object) writeInitiatorName(new_value)

write InitiatorName, create backup from previous if needed



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# File '../../src/modules/IscsiClientLib.rb', line 459

def writeInitiatorName(new_value)
  ret = true
  file = "/etc/iscsi/initiatorname.iscsi"
  dir = "/etc/iscsi"
  if Convert.to_map(SCR.Read(path(".target.stat"), dir)) == {}
    SCR.Execute(path(".target.mkdir"), dir)
    Builtins.y2milestone(
      "writeInitiatorName dir:%1",
      SCR.Read(path(".target.stat"), dir)
    )
  end
  if Ops.greater_than(
      Ops.get_integer(
        Convert.convert(
          SCR.Read(path(".target.lstat"), file),
          :from => "any",
          :to   => "map <string, any>"
        ),
        "size",
        0
      ),
      0
    )
    Builtins.y2milestone("%1 file exists, create backup", file)
    SCR.Execute(
      path(".target.bash"),
      Builtins.sformat("mv %1 /etc/iscsi/initiatorname.yastbackup", file)
    )
  end
  ret = SCR.Write(
    path(".target.string"),
    [file, 384],
    Builtins.sformat("InitiatorName=%1\n", new_value)
  )
  if ret
    @initiatorname = new_value
    Builtins.y2milestone("Initiatorname %1 written", @initiatorname)
  end
  # reload service when initiatorname is changed to re-read new value (bnc#482429)
  Service.Reload("iscsid")
  ret
end