Python nm.nm_devices函数代码示例

    def setNetworkOnbootDefault(self, ksdata):
        # if something's already enabled, we can just leave the config alone
        for devName in nm.nm_devices():
            if not nm.nm_device_type_is_wifi(devName) and \
               network.get_ifcfg_value(devName, "ONBOOT", ROOT_PATH) == "yes":
                return

        # the default otherwise: bring up the first wired netdev with link
        for devName in nm.nm_devices():
            if nm.nm_device_type_is_wifi(devName):
                continue
            try:
                link_up = nm.nm_device_carrier(devName)
            except ValueError as e:
                continue
            if link_up:
                dev = network.NetworkDevice(ROOT_PATH + network.netscriptsDir, devName)
                dev.loadIfcfgFile()
                dev.set(('ONBOOT', 'yes'))
                dev.writeIfcfgFile()
                for nd in ksdata.network.network:
                    if nd.device == dev.iface:
                        nd.onboot = True
                        break
                break

    def setNetworkOnbootDefault(self, ksdata):
        # if something's already enabled, we can just leave the config alone
        for devName in nm.nm_devices():
            if nm.nm_device_type_is_wifi(devName):
                continue
            try:
                onboot = nm.nm_device_setting_value(devName, "connection", "autoconnect")
            except nm.SettingsNotFoundError:
                continue
            if not onboot == False:
                return

        # the default otherwise: bring up the first wired netdev with link
        for devName in nm.nm_devices():
            if nm.nm_device_type_is_wifi(devName):
                continue
            try:
                link_up = nm.nm_device_carrier(devName)
            except ValueError:
                continue
            if link_up:
                ifcfg_path = network.find_ifcfg_file_of_device(devName, root_path=ROOT_PATH)
                if not ifcfg_path:
                    continue
                ifcfg = network.IfcfgFile(ifcfg_path)
                ifcfg.read()
                ifcfg.set(('ONBOOT', 'yes'))
                ifcfg.write()
                for nd in ksdata.network.network:
                    if nd.device == devName:
                        nd.onboot = True
                        break
                break

def find_ifcfg_file_of_device(devname, root_path=""):
    ifcfg_path = None

    if devname not in nm.nm_devices():
        return None

    if nm.nm_device_type_is_wifi(devname):
        ssid = nm.nm_device_active_ssid(devname)
        if ssid:
            ifcfg_path = find_ifcfg_file([("ESSID", ssid)])
    elif nm.nm_device_type_is_bond(devname):
        ifcfg_path = find_ifcfg_file([("DEVICE", devname)])
    elif nm.nm_device_type_is_team(devname):
        ifcfg_path = find_ifcfg_file([("DEVICE", devname)])
    elif nm.nm_device_type_is_vlan(devname):
        ifcfg_path = find_ifcfg_file([("DEVICE", devname)])
    elif nm.nm_device_type_is_ethernet(devname):
        try:
            hwaddr = nm.nm_device_hwaddress(devname)
        except nm.PropertyNotFoundError:
            hwaddr = None
        if hwaddr:
            hwaddr_check = lambda mac: mac.upper() == hwaddr.upper()
            nonempty = lambda x: x
            # slave configration created in GUI takes precedence
            ifcfg_path = find_ifcfg_file([("HWADDR", hwaddr_check), ("MASTER", nonempty)], root_path)
            if not ifcfg_path:
                ifcfg_path = find_ifcfg_file([("HWADDR", hwaddr_check), ("TEAM_MASTER", nonempty)], root_path)
            if not ifcfg_path:
                ifcfg_path = find_ifcfg_file([("HWADDR", hwaddr_check)], root_path)
        if not ifcfg_path:
            ifcfg_path = find_ifcfg_file([("DEVICE", devname)], root_path)

    return ifcfg_path

def dumpMissingDefaultIfcfgs():
    """
    Dump missing default ifcfg file for wired devices.
    For default auto connections created by NM upon start - which happens
    in case of missing ifcfg file - rename the connection using device name
    and dump its ifcfg file. (For server, default auto connections will
    be turned off in NetworkManager.conf.)
    The connection id (and consequently ifcfg file) is set to device name.
    Returns True if any ifcfg file was dumped.

    """
    rv = False

    for devname in nm.nm_devices():
        # for each ethernet device
        # FIXME add more types (infiniband, bond...?)
        if not nm.nm_device_type_is_ethernet(devname):
            continue

        # if there is no ifcfg file for the device
        device_cfg = NetworkDevice(netscriptsDir, devname)
        if os.access(device_cfg.path, os.R_OK):
            continue

        try:
            nm.nm_update_settings_of_device(devname, 'connection', 'id', devname)
            log.debug("network: dumping ifcfg file for default autoconnection on %s" % devname)
            nm.nm_update_settings_of_device(devname, 'connection', 'autoconnect', False)
            log.debug("network: setting autoconnect of %s to False" % devname)
        except nm.DeviceSettingsNotFoundError as e:
            log.debug("network: no ifcfg file for %s" % devname)
        rv = True

    return rv

    def _update_network_data(self):
        hostname = self.data.network.hostname

        self.data.network.network = []
        for i, name in enumerate(nm.nm_devices()):
            if network.is_ibft_configured_device(name):
                continue
            nd = network.ksdata_from_ifcfg(name)
            if not nd:
                continue
            if name in nm.nm_activated_devices():
                nd.activate = True
            else:
                # First network command defaults to --activate so we must
                # use --no-activate explicitly to prevent the default
                if i == 0:
                    nd.activate = False
            self.data.network.network.append(nd)

        (valid, error) = network.sanityCheckHostname(self.hostname_dialog.value)
        if valid:
            hostname = self.hostname_dialog.value
        else:
            self.errors.append(_("Host name is not valid: %s") % error)
            self.hostname_dialog.value = hostname
        network.update_hostname_data(self.data, hostname)

def get_bond_slaves_from_ifcfgs(master_specs):
    """List of slave device names of master specified by master_specs.

       master_specs is a list containing device name of master (dracut)
       and/or master's connection uuid
    """
    slaves = []

    for filepath in _ifcfg_files(netscriptsDir):
        ifcfg = IfcfgFile(filepath)
        ifcfg.read()
        master = ifcfg.get("MASTER")
        if master in master_specs:
            device = ifcfg.get("DEVICE")
            if device:
                slaves.append(device)
            else:
                hwaddr = ifcfg.get("HWADDR")
                for devname in nm.nm_devices():
                    try:
                        h = nm.nm_device_property(devname, "PermHwAddress")
                    except nm.PropertyNotFoundError:
                        log.debug("can't get PermHwAddress of devname %s", devname)
                        continue
                    if h.upper() == hwaddr.upper():
                        slaves.append(devname)
                        break
    return slaves

def networkInitialize(ksdata):

    log.debug("network: devices found %s", nm.nm_devices())
    logIfcfgFiles("network initialization")

    if not flags.imageInstall:
        devnames = apply_kickstart_from_pre_section(ksdata)
        if devnames:
            msg = "kickstart pre section applied for devices %s" % devnames
            log.debug("network: %s", msg)
            logIfcfgFiles(msg)
        devnames = dumpMissingDefaultIfcfgs()
        if devnames:
            msg = "missing ifcfgs created for devices %s" % devnames
            log.debug("network: %s", msg)
            logIfcfgFiles(msg)

    # For kickstart network --activate option we set ONBOOT=yes
    # in dracut to get devices activated by NM. The real network --onboot
    # value is set here.
    devnames = setOnboot(ksdata)
    if devnames:
        msg = "setting real kickstart ONBOOT value for devices %s" % devnames
        log.debug("network: %s", msg)
        logIfcfgFiles(msg)

    if ksdata.network.hostname is None:
        hostname = getHostname()
        update_hostname_data(ksdata, hostname)

    def refresh(self):
        """
        The refresh method that is called every time the spoke is displayed.
        It should update the UI elements according to the contents of
        self.data.

        :see: pyanaconda.ui.common.UIObject.refresh

        """
        ## Every time we enter, make a list of all the devices that
        # are not the public interface (user might have changed this)
        pubif = network.default_route_device()
        allifs = filter(lambda x: nm.nm_device_type_is_ethernet(x),\
                nm.nm_devices())
        privates = filter(lambda x: x != pubif,allifs)
        idx = self.ifaceCombo.get_active()
        self.deviceStore.clear()
        for x in privates:
            entry=[None,None,None,None]
            entry[DEVICEIDX] = x
            entry[TYPEIDX] = "ethernet"
            entry[MACIDX] = nm.nm_device_valid_hwaddress(x)
            entry[LABELIDX] = "%s;%s" % (x,entry[MACIDX])
            self.deviceStore.append(entry)
        if len(privates) == 0:
            entry=[None,None,None,None]
            entry[DEVICEIDX] = "%s:0" % pubif
            entry[LABELIDX] = "%s;virtual interface" % entry[DEVICEIDX] 
            entry[TYPEIDX] = "virtual"
            entry[MACIDX] = ""
            self.deviceStore.append(entry)

        # Set the active entry, even if we reodered 
        self.ifaceCombo.set_active(idx)

def get_device_name(devspec):

    devices = nm.nm_devices()
    devname = None

    if not devspec:
        if "ksdevice" in flags.cmdline:
            msg = "ksdevice boot parameter"
            devname = ks_spec_to_device_name(flags.cmdline["ksdevice"])
        elif nm.nm_is_connected():
            # device activated in stage 1 by network kickstart command
            msg = "first active device"
            try:
                devname = nm.nm_activated_devices()[0]
            except IndexError:
                log.debug("get_device_name: NM is connected but no activated devices found")
        else:
            msg = "first device found"
            devname = min(devices)
        log.info("unspecified network --device in kickstart, using %s (%s)", devname, msg)
    else:
        if iutil.lowerASCII(devspec) == "ibft":
            devname = ""
        if iutil.lowerASCII(devspec) == "link":
            for dev in sorted(devices):
                try:
                    link_up = nm.nm_device_carrier(dev)
                except ValueError as e:
                    log.debug("get_device_name: %s", e)
                    continue
                if link_up:
                    devname = dev
                    break
            else:
                log.error("Kickstart: No network device with link found")
        elif iutil.lowerASCII(devspec) == "bootif":
            if "BOOTIF" in flags.cmdline:
                # MAC address like 01-aa-bb-cc-dd-ee-ff
                devname = flags.cmdline["BOOTIF"][3:]
                devname = devname.replace("-", ":")
            else:
                log.error("Using --device=bootif without BOOTIF= boot option supplied")
        else:
            devname = devspec

    if devname and devname not in devices:
        for d in devices:
            try:
                hwaddr = nm.nm_device_hwaddress(d)
            except ValueError as e:
                log.debug("get_device_name: %s", e)
                continue
            if hwaddr.lower() == devname.lower():
                devname = d
                break
        else:
            return ""

    return devname

    def refresh(self):
        self._nicCombo.remove_all()

        for devname in nm.nm_devices():
            if nm.nm_device_type_is_ethernet(devname):
                self._nicCombo.append_text("%s - %s" % (devname, nm.nm_device_hwaddress(devname)))

        self._nicCombo.set_active(0)

def disableIPV6(rootpath):
    cfgfile = os.path.normpath(rootpath + ipv6ConfFile)
    if ('noipv6' in flags.cmdline
        and all(nm.nm_device_setting_value(dev, "ipv6", "method") == "ignore"
                for dev in nm.nm_devices() if nm.nm_device_type_is_ethernet(dev))):
        log.info('Disabling ipv6 on target system')
        with open(cfgfile, "a") as f:
            f.write("# Anaconda disabling ipv6 (noipv6 option)\n")
            f.write("net.ipv6.conf.all.disable_ipv6=1\n")
            f.write("net.ipv6.conf.default.disable_ipv6=1\n")

    def initialize(self):
        for name in nm.nm_devices():
            if nm.nm_device_type_is_ethernet(name):
                # ignore slaves
                if nm.nm_device_setting_value(name, "connection", "slave-type"):
                    continue
                self.supported_devices.append(name)

        EditTUISpoke.initialize(self)
        if not self.data.network.seen:
            self._update_network_data()

def disableNMForStorageDevices(rootpath, storage):
    for devname in nm.nm_devices():
        if usedByFCoE(devname, storage) or usedByRootOnISCSI(devname, storage):
            ifcfg_path = find_ifcfg_file_of_device(devname, root_path=rootpath)
            if not ifcfg_path:
                log.warning("disableNMForStorageDevices: ifcfg file for %s not found", devname)
                continue
            ifcfg = IfcfgFile(ifcfg_path)
            ifcfg.read()
            ifcfg.set(("NM_CONTROLLED", "no"))
            ifcfg.write()
            log.info("network device %s used by storage will not be " "controlled by NM", devname)

def get_device_name(network_data):

    ksspec = network_data.device or flags.cmdline.get('ksdevice', "")
    dev_name = ks_spec_to_device_name(ksspec)
    if not dev_name:
        return ""
    if dev_name not in nm.nm_devices():
        if not any((network_data.vlanid, network_data.bondslaves, network_data.teamslaves)):
            return ""
    if network_data.vlanid:
        dev_name = "%s.%s" % (dev_name, network_data.vlanid)

    return dev_name

    def _load_new_devices(self):
        devices = nm.nm_devices()
        intf_dumped = network.dumpMissingDefaultIfcfgs()
        if intf_dumped:
            log.debug("Dumped interfaces: %s", intf_dumped)

        for name in devices:
            if name in self.supported_devices:
                continue
            if nm.nm_device_type_is_ethernet(name):
                # ignore slaves
                if nm.nm_device_setting_value(name, "connection", "slave-type"):
                    continue
                self.supported_devices.append(name)