nixpkgs/upstart-jobs/network-interfaces.nix
Eelco Dolstra 935042365c * Allow a netmask to be specified for each interface.
svn path=/nixos/trunk/; revision=8099
2007-02-28 14:19:20 +00:00

78 lines
2.0 KiB
Nix

# !!! Don't like it that I have to pass the kernel here.
{ nettools, kernel, module_init_tools
, nameservers, defaultGateway, interfaces
}:
let
# !!! use XML
names = map (i: i.name) interfaces;
ipAddresses = map (i: i.ipAddress) interfaces;
subnetMasks = map (i: if i ? subnetMask then i.subnetMask else "default") interfaces;
in
{
name = "network-interfaces";
job = "
start on hardware-scan
stop on shutdown
start script
export MODULE_DIR=${kernel}/lib/modules/
${module_init_tools}/sbin/modprobe af_packet
for i in $(cd /sys/class/net && ls -d *); do
echo \"Bringing up network device $i...\"
${nettools}/sbin/ifconfig $i up || true
done
# Configure the manually specified interfaces.
names=(${toString names})
ipAddresses=(${toString ipAddresses})
subnetMasks=(${toString subnetMasks})
for ((n = 0; n < \${#names[*]}; n++)); do
name=\${names[$n]}
ipAddress=\${ipAddresses[$n]}
subnetMask=\${subnetMasks[$n]}
echo \"Configuring interface $name...\"
extraFlags=
if test \"$subnetMask\" != default; then
extraFlags=\"$extraFlags netmask $subnetMask\"
fi
${nettools}/sbin/ifconfig \"$name\" \"$ipAddress\" $extraFlags || true
done
# Set the nameservers.
if test -n \"${toString nameservers}\"; then
rm -f /etc/resolv.conf
for i in ${toString nameservers}; do
echo \"nameserver $i\" >> /etc/resolv.conf
done
fi
# Set the default gateway.
if test -n \"${defaultGateway}\"; then
${nettools}/sbin/route add default gw \"${defaultGateway}\" || true
fi
end script
# Hack: Upstart doesn't yet support what we want: a service that
# doesn't have a running process associated with it.
respawn sleep 10000
stop script
for i in $(cd /sys/class/net && ls -d *); do
echo \"Taking down network device $i...\"
${nettools}/sbin/ifconfig $i down || true
done
end script
";
}