linux/tools/hv/hv_set_ifconfig.sh
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   1#!/bin/bash
   2# SPDX-License-Identifier: GPL-2.0
   3
   4# This example script activates an interface based on the specified
   5# configuration.
   6#
   7# In the interest of keeping the KVP daemon code free of distro specific
   8# information; the kvp daemon code invokes this external script to configure
   9# the interface.
  10#
  11# The only argument to this script is the configuration file that is to
  12# be used to configure the interface.
  13#
  14# Each Distro is expected to implement this script in a distro specific
  15# fashion. For instance, on Distros that ship with Network Manager enabled,
  16# this script can be based on the Network Manager APIs for configuring the
  17# interface.
  18#
  19# This example script is based on a RHEL environment.
  20#
  21# Here is the format of the ip configuration file:
  22#
  23# HWADDR=macaddr
  24# DEVICE=interface name
  25# BOOTPROTO=<protocol> (where <protocol> is "dhcp" if DHCP is configured
  26#                       or "none" if no boot-time protocol should be used)
  27#
  28# IPADDR0=ipaddr1
  29# IPADDR1=ipaddr2
  30# IPADDRx=ipaddry (where y = x + 1)
  31#
  32# NETMASK0=netmask1
  33# NETMASKx=netmasky (where y = x + 1)
  34#
  35# GATEWAY=ipaddr1
  36# GATEWAYx=ipaddry (where y = x + 1)
  37#
  38# DNSx=ipaddrx (where first DNS address is tagged as DNS1 etc)
  39#
  40# IPV6 addresses will be tagged as IPV6ADDR, IPV6 gateway will be
  41# tagged as IPV6_DEFAULTGW and IPV6 NETMASK will be tagged as
  42# IPV6NETMASK.
  43#
  44# The host can specify multiple ipv4 and ipv6 addresses to be
  45# configured for the interface. Furthermore, the configuration
  46# needs to be persistent. A subsequent GET call on the interface
  47# is expected to return the configuration that is set via the SET
  48# call.
  49#
  50
  51
  52
  53echo "IPV6INIT=yes" >> $1
  54echo "NM_CONTROLLED=no" >> $1
  55echo "PEERDNS=yes" >> $1
  56echo "ONBOOT=yes" >> $1
  57
  58
  59cp $1 /etc/sysconfig/network-scripts/
  60
  61
  62interface=$(echo $1 | awk -F - '{ print $2 }')
  63
  64/sbin/ifdown $interface 2>/dev/null
  65/sbin/ifup $interface 2>/dev/null
  66