change if names from enp*s0 to eth*

including all cfg files!

README.md

@@ -17,10 +17,10 @@ content of the config files:
 
 ```
 [NETWORK]
-enp1s0=192.168.127.254   # leftmost socket: connect here a moxa with factory settings
+eth0=192.168.127.254    # leftmost socket: connect here a moxa with factory settings
-enp2s0=192.168.2.2       # connected device will get this ip via DHCP
+eth1=192.168.2.2        # connected device will get this ip via DHCP
-enp3s0=192.168.3.3       #    or must be configured static to this IP
+eth2=192.168.3.3        #    or must be configured static to this IP
-enp4s0=dhcp              # rightmost socket is the uplink
+eth3=dhcp               # rightmost socket is the uplink
 
 [ROUTER]
 3000=/dev/ttyUSB0       # routing 3000 to the internal serial port /dev/ttyUSB0
@@ -38,14 +38,12 @@ startup_text=startup...|HOST|ADDR   # startup text, 3 lines separated with |
 ## network configuration
 
 The example above fits the most cases.
-Remark: as the control boxes (MLZ type) are labelled with 'eth0' etc., the names might be given in this form.
-Internally the more modern names like 'enp1s0' are used.
 
 Here a detailed description of possible settings:
 
 ### fixed IP
 ```
-enp2s0=192.168.3.5
+eth1=192.168.3.5
 ```
 Configure the IP address of the connected device to get the specified IP via DHCP or
 configure the device to with this static IP. The last number must be within 1..254,
@@ -53,8 +51,8 @@ the APU port itself will get 1 (or 2, if the specified IP is 1).
 
 ### custom network
 ```
-enp3s0=192.168.3.1/24  # our ip address, the static address of the connected device must
+eth2=192.168.3.1/24  # our ip address, the static address of the connected device must
-                       # be within 1-254 and not match our own
+                     # be within 1-254 and not match our own
 ```
 24 means 24 bit = 3 bytes network address.
 A local network with static addresses. This way, the APU can get an other address than
@@ -63,20 +61,20 @@ Probably needed rarely.
 
 ### uplink via DHCP
 ```
-enp4s0=wan    # or enp4s0=dhcp
+eth0=wan    # or eth0=dhcp
 ```
 Uplink configured for DHCP in any network n.x.y.z with n < 192
 
 ### customized uplink
 ```
-enp1s0=wan,192.168.1.0/24
+eth0=wan,192.168.1.0/24
 ```
 Add more networks to the allowed uplink range. More than one range is allowed, comma separated.
 Must not overlap networks specified for other ports!
 
 ### disabled port
 ```
-enp3s0=off             # disabled
+eth3=off             # disabled
 ```
 
 ## display

cfg/dilsc_5a58e4.cfg

@@ -1,9 +1,9 @@
 [NETWORK]
 ; please refer to README.md for help
-enp1s0=192.168.1.1/24
+eth0=192.168.1.1/24
-enp2s0=192.168.2.2/24
+eth1=192.168.2.2/24
-enp3s0=192.168.3.3/24
+eth2=192.168.3.3/24
-enp4s0=dhcp
+eth3=dhcp
 
 [ROUTER]
 ; please refer to README.md for help

cfg/flame-mag_591fac.cfg

@@ -1,9 +1,9 @@
 [NETWORK]
 ; please refer to README.md for help
-enp1s0=192.168.127.254
+eth0=192.168.127.254
-enp2s0=192.168.2.1
+eth1=192.168.2.1
-enp3s0=192.168.3.5
+eth2=192.168.3.5
-enp4s0=dhcp
+eth3=dhcp
 
 [ROUTER]
 ; please refer to README.md for help

cfg/ir-dil_60f0e8.cfg

@@ -1,9 +1,9 @@
 [NETWORK]
 ; please refer to README.md for help
-enp1s0=192.168.127.254
+eth0=192.168.127.254
-enp2s0=192.168.2.2
+eth1=192.168.2.2
-enp3s0=192.168.3.3
+eth2=192.168.3.3
-enp4s0=dhcp
+eth3=dhcp
 
 [ROUTER]
 ; please refer to README.md for help

cfg/linse-apu7_5fb688.cfg

@@ -1,9 +1,9 @@
 [NETWORK]
 ; please refer to README.md for help
-enp1s0=wan,192.168.1.0/24
+eth0=wan,192.168.1.0/24
-enp2s0=192.168.2.2
+eth1=192.168.2.2
-enp3s0=192.168.3.3
+eth2=192.168.3.3
-enp4s0=192.168.127.254
+eth3=192.168.127.254
 
 [ROUTER]
 ; please refer to README.md for help

cfg/linse-dil5_5a4c90.cfg

@@ -1,9 +1,9 @@
 [NETWORK]
 ; please refer to README.md for help
-enp1s0=dhcp
+eth0=dhcp
-enp2s0=192.168.2.32
+eth1=192.168.2.32
-enp3s0=192.168.3.1
+eth2=192.168.3.1
-enp4s0=192.168.127.254
+eth3=192.168.127.254
 
 [ROUTER]
 ; please refer to README.md for help

cfg/linse-uniax_5920a8.cfg

@@ -1,8 +1,8 @@
 [NETWORK]
 ; please refer to README.md for help
-enp1s0=192.168.127.2/24
+eth0=192.168.127.2/24
-enp3s0=192.168.1.3/24
+eth2=192.168.1.3/24
-enp4s0=dhcp
+eth3=dhcp
 
 [ROUTER]
 ; please refer to README.md for help

cfg/linseapu6_5fa5cc.cfg

@@ -1,9 +1,9 @@
 [NETWORK]
 ; please refer to README.md for help
-enp1s0=192.168.127.254
+eth0=192.168.127.254
-enp2s0=192.168.12.2
+eth1=192.168.12.2
-enp3s0=192.168.13.3
+eth2=192.168.13.3
-enp4s0=wan,192.168.1.0/24
+eth3=wan,192.168.1.0/24
 
 [ROUTER]
 ; please refer to README.md for help

install.py

@@ -20,7 +20,7 @@ from glob import glob
 from ipaddress import IPv4Interface
 from configparser import ConfigParser
 from os.path import join, getmtime, exists, basename
-from utils import get_config, ifname_mapping
+from utils import get_config
 
 if os.geteuid() != 0:
     exit("You need to have root privileges to run this script.\nPlease try again, this time using 'sudo'. Exiting.")
@@ -43,10 +43,10 @@ COMMENT = "; please refer to README.md for help"
 
 CONFIG_TEMPLATE = f"""[NETWORK]
 {COMMENT}
-enp1s0=192.168.127.254
+eth0=192.168.127.254
-enp2s0=192.168.2.2
+eth1=192.168.2.2
-enp3s0=192.168.3.3
+eth2=192.168.3.3
-enp4s0=dhcp
+eth3=dhcp
 
 [ROUTER]
 {COMMENT}
@@ -55,10 +55,10 @@ enp4s0=dhcp
 
 CONTROLBOX_TEMPLATE = f"""[NETWORK]
 {COMMENT}
-enp1s0=dhcp
+eth0=dhcp
-enp2s0=192.168.1.1
+eth1=192.168.1.1
-enp3s0=192.168.2.2
+eth2=192.168.2.2
-enp4s0=192.168.3.3
+eth3=192.168.3.3
 
 [DISPLAY]
 {COMMENT}
@@ -123,18 +123,23 @@ main_info = {  # info to be determined depending on cfg
     'hostname': socket.gethostname()  # effective or given host name
 }
 
+change_if_names = False
+
 for netif in os.scandir('/sys/class/net'):
     if netif.name != 'lo':  # do not consider loopback interface
         with open(os.path.join(netif.path, 'address')) as f:
             addr = f.read().strip().lower()
-        net_addr[netif.name] = addr
+        n = netif.name
+        if n.startswith('enp'):
+            change_if_names = True
+            n = f'eth{int(n[3]) - 1}'
+        net_addr[n] = addr
 
 sorted_if = sorted(net_addr)
 boxaddr = net_addr[sorted_if[0]]
 boxid = int(''.join(boxaddr.split(':')[-3:]), 16) & 0xffffff
 boxtype = BOX_TYPES.get(boxaddr[:8])
-if boxtype != 'apu':
+
-    ifname_mapping.clear()
 TO_SYSTEM = f'{TOOLS}/to_{boxtype}'
 if not exists(TO_SYSTEM):
     TO_SYSTEM = f'{TOOLS}/to_system'
@@ -295,7 +300,6 @@ def create_if(name, cfg):
     else:
         cfgip = IPv4Interface(cfg)
         network = cfgip.network
-        print('N', network, network.prefixlen)
         if network.prefixlen == 32:  # or no prefix specified
             otherip = IPv4Interface('%s/24' % cfgip.ip)
             network = otherip.network
@@ -410,7 +414,7 @@ def handle_config():
          cfgfiles.append(file)
     if boxtype == 'apu':
         for i in [1, 2, 3]:
-            bad = glob(CFGPATH % ('*', apuid+i))
+            bad = glob(CFGPATH % ('*', boxid+i))
             if bad:
                 print('cfg files found with bad apu id (use net addr of leftmost plug)')
                 print(bad)
@@ -460,6 +464,10 @@ def handle_config():
     config = get_config()
     try:
         netcfg = config['NETWORK']
+        for name in netcfg:
+            if name not in net_addr:
+                print(f'{name} is not a valid network interface name')
+                raise RuntimeError('network interface name system does not match')
         for ifname in net_addr:
             content = create_if(ifname, netcfg.get(ifname, 'off'))
             # content = '\n'.join('%s=%s' % kv for kv in content.items())
@@ -469,7 +477,6 @@ def handle_config():
                 show.dirty = True
                 to_start[ifname] = 'if_restart'
         if dhcp_server_cfg:
-            print(dhcp_server_cfg)
             content = [DHCP_HEADER]
             for subnet, rangelist in dhcp_server_cfg:
                 try:
@@ -565,6 +572,18 @@ def handle_config():
             if action == 'restart':
                 unix_cmd('systemctl restart %s' % service)
             unix_cmd('systemctl enable %s' % service)
+
+    if change_if_names:
+        with open('/etc/default/grub') as f:
+            content = f.read()
+
+        prev = 'GRUB_CMDLINE_LINUX_DEFAULT="quiet"'
+        repl = 'GRUB_CMDLINE_LINUX_DEFAULT="quiet net.ifnames=0"'
+        newcontent = content.replace(prev, repl)
+        if repl not in newcontent:
+            write_when_new('/etc/default/grub', newcontent)
+            unix_cmd('update-grub')
+
     result = [f'config file:\n  {cfgfile}']
     for section, section_dict in config.items():
         result.append(section)

router.py

@@ -78,7 +78,7 @@ for arg in sys.argv[1:]:
 
 log = Log(loglev)
 
-FILTER = "iptables -i enp4s0 -p tcp -m tcp --dport %d -j ACCEPT"
+FILTER = "iptables -i eth0 -p tcp -m tcp --dport %d -j ACCEPT"
 
 BASIC = """
 iptables -P INPUT %(accept)s

sethostname.sh

@@ -1,4 +1,4 @@
-ETHNAME=$(cat /sys/class/net/enp1s0/address)
+ETHNAME=$(cat /sys/class/net/eth0/address)
 ETHNAME=${ETHNAME//:/}
 APUID=${ETHNAME: -6}
 FOUND="$(shopt -s nullglob; echo /home/l_samenv/boxtools/cfg/*_$APUID.cfg)"

to_system/etc/default/isc-dhcp-server

@@ -14,5 +14,5 @@
 
 # On what interfaces should the DHCP server (dhcpd) serve DHCP requests?
 #	Separate multiple interfaces with spaces, e.g. "eth0 eth1".
-INTERFACESv4="enp2s0 enp3s0 enp4s0"
+INTERFACESv4="eth1 eth2 eth3"
 INTERFACESv6=""

to_system/etc/profile.d/welcome.sh

@@ -1,7 +1,7 @@
 export EDITOR=nano
 echo "-----------------------------------------------------"
 echo "Welcome to $HOSTNAME $(hostname -I)"
-echo "ethernet addr $(cat /sys/class/net/enp1s0/address) .. $(cat /sys/class/net/enp4s0/address)"
+echo "ethernet addr $(cat /sys/class/net/eth0/address) .. $(cat /sys/class/net/eth3/address)"
 function service_status () {
     for name in $@; do \
       enabled=$(systemctl is-enabled ${name} 2> /dev/null) && \

utils.py

@@ -6,14 +6,6 @@ from configparser import ConfigParser
 from netifaces import interfaces, ifaddresses, gateways, AF_INET, AF_LINK
 
 
-ifname_mapping = {
-   'eth0': 'enp1s0',
-   'eth1': 'enp2s0',
-   'eth2': 'enp3s0',
-   'eth3': 'enp4s0',
-}
-
-
 if os.geteuid():
     def sudo(cmd):
         os.system(f'sudo {cmd}')
@@ -30,6 +22,19 @@ def get_config(section=None):
     """
     parser = ConfigParser()
     cfgfiles = glob('/home/l_samenv/boxtools/cfg/%s_*.cfg' % socket.gethostname())
+    if not cfgfiles:
+        # look by id
+        boxid = None
+        for ifname in ('enp1s0', 'eth0'):
+            try:
+                with open(f'/sys/class/net/{ifname}/address') as f:
+                    addr = f.read().strip().lower()
+            except FileNotFoundError:
+                continue
+            boxid = int(''.join(addr.split(':')[-3:]), 16) & 0xffffff
+            break
+        if boxid:
+            cfgfiles = glob('/home/l_samenv/boxtools/cfg/*_%6.6x.cfg' % boxid)
     if len(cfgfiles) != 1:
         raise ValueError('there must be one and only one single cfgfile %r' % cfgfiles)
     parser.read(cfgfiles[0])
@@ -37,9 +42,6 @@ def get_config(section=None):
         result = {k: dict(parser[k]) for k in ([section] if section else parser.sections())}
     except KeyError:
         return {}
-    network = result.get('NETWORK', {})
-    for name in list(network):
-        network[ifname_mapping.get(name, name)] = network.pop(name)
     if section:
         return result[section]
     return result