Class: Yast::LanUdevAutoClass

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

Instance Method Summary (collapse)

Instance Method Details

- (Object) AllowUdevModify

FATE#311332



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# File '../../src/modules/LanUdevAuto.rb', line 75

def AllowUdevModify
  InstallationParameter("biosdevname") != "1"
end

- (Object) createUdevFromIfaceName(interfaces)

internal function: for old-slyle create udev rules and rename interface names to new-style



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# File '../../src/modules/LanUdevAuto.rb', line 134

def createUdevFromIfaceName(interfaces)
  interfaces = deep_copy(interfaces)
  Builtins.y2milestone(
    "old-style names for interfaces found - convert into new-style"
  )
  Builtins.y2milestone("interfaces %1", interfaces)
  tmp_interfaces = []
  Builtins.foreach(interfaces) do |interface|
    if Builtins.issubstring(Ops.get_string(interface, "device", ""), "-id-") ||
        Builtins.issubstring(
          Ops.get_string(interface, "device", ""),
          "-bus-"
        )
      value = Ops.get(
        Builtins.splitstring(Ops.get_string(interface, "device", ""), "-"),
        2,
        ""
      )
      rule = "ATTR{address}"
      if Ops.get(
        Builtins.splitstring(Ops.get_string(interface, "device", ""), "-"),
        1,
        ""
        ) == "bus"
        rule = "KERNELS"
      end
      @udev_rules = Builtins.add(
        @udev_rules,
        "rule"  => rule,
        "value" => value,
        "name"  => getDeviceName(Ops.get_string(interface, "device", ""))
      )
      tmp_interfaces = Builtins.add(tmp_interfaces, interface)
    end
  end
  Builtins.y2milestone("converted interfaces: %1", tmp_interfaces)
  deep_copy(tmp_interfaces)
end

- (Object) Export(devices)



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# File '../../src/modules/LanUdevAuto.rb', line 244

def Export(devices)
  devices = deep_copy(devices)
  ay = { "s390-devices" => {}, "net-udev" => {} }
  if Arch.s390
    devs = []
    Builtins.foreach(
      Convert.convert(devices, from: "map", to: "map <string, any>")
    ) do |_type, value|
      devs = Convert.convert(
        Builtins.union(devs, Map.Keys(Convert.to_map(value))),
        from: "list",
        to:   "list <string>"
      )
    end
    Builtins.foreach(devs) do |device|
      driver = Convert.convert(
        SCR.Execute(
          path(".target.bash_output"),
          Builtins.sformat(
            "driver=$(ls -l /sys/class/net/%1/device/driver);echo ${driver##*/}|tr -d '\n'",
            device
          )
        ),
        from: "any",
        to:   "map <string, any>"
      )
      device_type = ""
      chanids = ""
      portname = ""
      protocol = ""
      if Ops.get_integer(driver, "exit", -1) == 0
        case Ops.get_string(driver, "stdout", "")
        when "qeth"
          device_type = Ops.get_string(driver, "stdout", "")
        when "ctcm"
          device_type = "ctc"
        when "netiucv"
          device_type = "iucv"
        else
          Builtins.y2error(
            "unknown driver type :%1",
            Ops.get_string(driver, "stdout", "")
          )
        end
      else
        Builtins.y2error("%1", driver)
        next
      end
      chan_ids = Convert.convert(
        SCR.Execute(
          path(".target.bash_output"),
          Builtins.sformat(
            "for i in $(seq 0 2);do chanid=$(ls -l /sys/class/net/%1/device/cdev$i);echo ${chanid##*/};done|tr '\n' ' '",
            device
          )
        ),
        from: "any",
        to:   "map <string, any>"
      )
      if Ops.greater_than(
        Builtins.size(Ops.get_string(chan_ids, "stdout", "")),
        0
        )
        chanids = String.CutBlanks(Ops.get_string(chan_ids, "stdout", ""))
      end
      port_name = Convert.convert(
        SCR.Execute(
          path(".target.bash_output"),
          Builtins.sformat(
            "cat /sys/class/net/%1/device/portname|tr -d '\n'",
            device
          )
        ),
        from: "any",
        to:   "map <string, any>"
      )
      if Ops.greater_than(
        Builtins.size(Ops.get_string(port_name, "stdout", "")),
        0
        )
        portname = String.CutBlanks(Ops.get_string(port_name, "stdout", ""))
      end
      proto = Convert.convert(
        SCR.Execute(
          path(".target.bash_output"),
          Builtins.sformat(
            "cat /sys/class/net/%1/device/protocol|tr -d '\n'",
            device
          )
        ),
        from: "any",
        to:   "map <string, any>"
      )
      if Ops.greater_than(
        Builtins.size(Ops.get_string(proto, "stdout", "")),
        0
        )
        protocol = String.CutBlanks(Ops.get_string(proto, "stdout", ""))
      end
      layer2_ret = SCR.Execute(
        path(".target.bash"),
        Builtins.sformat(
          "grep -q 1 /sys/class/net/%1/device/layer2",
          device
      )
               )
      layer2 = layer2_ret == 0
      Ops.set(ay, ["s390-devices", device], "type" => device_type)
      if Ops.greater_than(Builtins.size(chanids), 0)
        Ops.set(ay, ["s390-devices", device, "chanids"], chanids)
      end
      if Ops.greater_than(Builtins.size(portname), 0)
        Ops.set(ay, ["s390-devices", device, "portname"], portname)
      end
      if Ops.greater_than(Builtins.size(protocol), 0)
        Ops.set(ay, ["s390-devices", device, "protocol"], protocol)
      end
      Ops.set(ay, ["s390-devices", device, "layer2"], true) if layer2
      port0 = Convert.convert(
        SCR.Execute(
          path(".target.bash_output"),
          Builtins.sformat(
            "port0=$(ls -l /sys/class/net/%1/device/cdev0);echo ${port0##*/}|tr -d '\n'",
            device
          )
        ),
        from: "any",
        to:   "map <string, any>"
      )
      Builtins.y2milestone("port0 %1", port0)
      if Ops.greater_than(
        Builtins.size(Ops.get_string(port0, "stdout", "")),
        0
        )
        value = Ops.get_string(port0, "stdout", "")
        Ops.set(
          ay,
          ["net-udev", device],
          "rule" => "KERNELS", "name" => device, "value" => value
        )
      end
    end
  else
    Builtins.foreach(
      Convert.convert(
        LanItems.Items,
        from: "map <integer, any>",
        to:   "map <integer, map <string, any>>"
      )
    ) do |id, row|
      LanItems.current = id
      if Ops.greater_than(
        Builtins.size(Ops.get_string(row, "ifcfg", "")),
        0
        )
        name = LanItems.GetItemUdev("NAME")
        mac_rule = LanItems.GetItemUdev("ATTR{address}")
        bus_rule = LanItems.GetItemUdev("KERNELS")
        if Builtins.size(mac_rule) == 0 && Builtins.size(bus_rule) == 0
          Builtins.y2error("No MAC or BusID rule %1", row)
          next
        end
        Ops.set(
          ay,
          ["net-udev", name],
          "rule"  => Ops.greater_than(Builtins.size(mac_rule), 0) ? "ATTR{address}" : "KERNELS",
          "name"  => name,
          "value" => Ops.greater_than(Builtins.size(mac_rule), 0) ? mac_rule : bus_rule
        )
      end
    end
  end

  Builtins.y2milestone("AY profile %1", ay)
  deep_copy(ay)
end

- (Object) getDeviceName(oldname)

It finds a new style device name for device name in old fashioned format

It goes through currently present devices and tries to mach it to given old fashioned name



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

def getDeviceName(oldname)
  # TODO: raise an exception when old name could not be matched to existing cfg.
  newname = oldname

  @hardware = ReadHardware("netcard") if @hardware.nil?

  @hardware.each do |hw|
    hw_dev_name = hw["dev_name"] || ""
    hw_dev_mac = hw["mac"] || ""
    hw_dev_busid = hw["busid"] || ""

    case oldname
    when /.*-id-#{hw_dev_mac}/i
      Builtins.y2milestone("device by ID found: #{oldname}")
      newname = hw_dev_name
    when /.*-bus-#{hw_dev_busid}/i
      Builtins.y2milestone("device by BUS found #{oldname}")
      newname = hw_dev_name
    end
  end

  log = "nothing changed, #{newname} is old style dev_name"
  Builtins.y2milestone(log) if oldname == newname

  newname
end

- (Object) GetDevnameByMAC(mac)



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# File '../../src/modules/LanUdevAuto.rb', line 421

def GetDevnameByMAC(mac)
  devname = ""
  if Ops.greater_than(Builtins.size(mac), 0)
    Builtins.y2milestone("MAC address from 1st stage: %1", mac)
    Builtins.foreach(@udev_rules) do |rule|
      if Ops.get_string(rule, "rule", "") == "ATTR{address}"
        if mac == Ops.get_string(rule, "value", "")
          devname = Ops.get_string(rule, "name", "")
          Builtins.y2milestone(
            "MAC address matched with device:%1",
            Ops.get_string(rule, "name", "")
          )
          raise Break
        end
      elsif Ops.get_string(rule, "rule", "") == "KERNELS"
        Builtins.y2milestone("rule: %1", rule)
        # input parameter is MAC address, output is BusID of matched device
        cmd = Convert.to_map(
          SCR.Execute(
            path(".target.bash_output"),
            Builtins.sformat(
              "DEVICE=$(grep '%1' /sys/class/net/*/address);KERNELS=$(ls -l \"$(echo ${DEVICE%%/*})/device\");echo ${KERNELS##*/}|tr -d '\n'",
              mac
            )
          )
        )
        if Ops.get_integer(cmd, "exit", -1) == 0
          Builtins.y2milestone(
            "cmd output:%1",
            Ops.get_string(cmd, "stdout", "")
          )
          if Ops.get_string(cmd, "stdout", "") ==
              Ops.get_string(rule, "value", "")
            Builtins.y2internal("match!")
            devname = Ops.get_string(rule, "name", "")
          end
        end
      else
        Builtins.y2error("Unknown rule for:%1", rule)
      end
    end
  else
    Builtins.y2warning("No MAC address to compare.")
  end
  devname
end

- (Object) Import(settings)



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# File '../../src/modules/LanUdevAuto.rb', line 173

def Import(settings)
  settings = deep_copy(settings)
  Builtins.y2milestone("importing %1", settings)
  if oldStyle(settings)
    Ops.set(
      settings,
      "interfaces",
      createUdevFromIfaceName(Ops.get_list(settings, "interfaces", []))
    )
  else
    @udev_rules = settings["net-udev"] || []
  end
  #  if (Arch::s390())
  @s390_devices = Ops.get_list(settings, "s390-devices", [])
  Builtins.y2milestone(
    "interfaces: %1",
    Ops.get_list(settings, "interfaces", [])
  )
  Builtins.y2milestone("net-udev rules:%1", @udev_rules)
  Builtins.y2milestone("s390-devices rules:%1", @s390_devices)
  true
end

- (Object) InstallationParameter(name)

Returns installation parameter or nil

Parameters:

  • name (String)

    parameter name, case sensitive

Returns:

  • installation parameter or nil



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# File '../../src/modules/LanUdevAuto.rb', line 68

def InstallationParameter(name)
  value = InstallInfParameter(name)
  value = KernelCmdlineParameter(name) if value.nil?
  value
end

- (Object) InstallInfParameter(name)

Returns parameter from /etc/install.inf or nil

Parameters:

  • name (String)

    parameter name, case sensitive

Returns:

  • parameter from /etc/install.inf or nil



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# File '../../src/modules/LanUdevAuto.rb', line 53

def InstallInfParameter(name)
  p = Builtins.add(path(".etc.install_inf"), name)
  Convert.to_string(SCR.Read(p))
end

- (Object) KernelCmdlineParameter(name)

Returns parameter from the kernel(boot) command line or nil

Parameters:

  • name (String)

    parameter name, case sensitive

Returns:

  • parameter from the kernel(boot) command line or nil



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# File '../../src/modules/LanUdevAuto.rb', line 60

def KernelCmdlineParameter(name)
  cmdline = InstallInfParameter("Cmdline")
  cmdmap = Map.FromString(cmdline) # handles nil too
  Ops.get_string(cmdmap, name)
end

- (Object) main



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# File '../../src/modules/LanUdevAuto.rb', line 37

def main
  Yast.import "UI"
  Yast.import "LanItems"
  Yast.import "Map"
  Yast.include self, "network/routines.rb"
  Yast.include self, "network/lan/udev.rb"

  textdomain "network"

  @udev_rules = []
  @s390_devices = []
  @hardware = nil
end

- (Object) oldStyle(ay)

internal function: check if old-style (ifcfg-eth-id-…, ifcfg-eth-bus-… is used) or new-style (ifcfg-eth0)



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# File '../../src/modules/LanUdevAuto.rb', line 114

def oldStyle(ay)
  ay = deep_copy(ay)
  old_style_found = false
  Builtins.foreach(Ops.get_list(ay, "interfaces", [])) do |interface|
    if Builtins.issubstring(Ops.get_string(interface, "device", ""), "-id-")
      old_style_found = true
    end
    if Builtins.issubstring(
      Ops.get_string(interface, "device", ""),
      "-bus-"
      )
      old_style_found = true
    end
  end
  Builtins.y2milestone("old-style found:%1", old_style_found)
  old_style_found
end

- (Object) Write



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# File '../../src/modules/LanUdevAuto.rb', line 196

def Write
  template = "SUBSYSTEM==\"net\", ACTION==\"add\", DRIVERS==\"?*\", %s==\"%s\", NAME=\"%s\""

  rules = @udev_rules.map do |rule|
    opt = rule["rule"] || ""
    value = rule["value"] || ""
    devname = rule["name"] || ""

    format(template, opt, value.downcase, devname)
  end

  if !rules.empty? && AllowUdevModify()
    SetAllLinksDown()

    log.info("Writing AY udev rules for network")

    write_update_udevd(rules)

    SCR.Execute(path(".target.bash"), "udevadm settle")
  else
    log.info("No udev rules created by AY")
  end

  # FIXME: In fact, this has nothing to do with udev. At least no
  # directly. It creates linux emulation for s390 devices.
  if Arch.s390
    @s390_devices.each do |rule|
      LanItems.Select("")
      LanItems.type = Ops.get_string(rule, "type", "")
      LanItems.qeth_chanids = Ops.get_string(rule, "chanids", "")
      LanItems.qeth_layer2 = Ops.get_boolean(rule, "layer2", false)
      LanItems.qeth_portname = Ops.get_string(rule, "portname", "")
      LanItems.chan_mode = Ops.get_string(rule, "protocol", "")
      LanItems.iucv_user = Ops.get_string(rule, "router", "")
      Builtins.y2milestone("rule:%1", rule)
      Builtins.y2milestone("type:%1", LanItems.type)
      Builtins.y2milestone("chanids:%1", LanItems.qeth_chanids)
      Builtins.y2milestone("layer2:%1", LanItems.qeth_layer2)
      Builtins.y2milestone("portname:%1", LanItems.qeth_portname)
      LanItems.createS390Device
      Builtins.y2milestone("rule %1", rule)
    end
    log.info("Writing s390 rules #{@s390_devices}")
  end

  true
end