linux/tools/hv/hv_get_dhcp_info.sh
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   1#!/bin/bash
   2# SPDX-License-Identifier: GPL-2.0
   3
   4# This example script retrieves the DHCP state of a given interface.
   5# In the interest of keeping the KVP daemon code free of distro specific
   6# information; the kvp daemon code invokes this external script to gather
   7# DHCP setting for the specific interface.
   8#
   9# Input: Name of the interface
  10#
  11# Output: The script prints the string "Enabled" to stdout to indicate
  12#       that DHCP is enabled on the interface. If DHCP is not enabled,
  13#       the script prints the string "Disabled" to stdout.
  14#
  15# Each Distro is expected to implement this script in a distro specific
  16# fashion. For instance, on Distros that ship with Network Manager enabled,
  17# this script can be based on the Network Manager APIs for retrieving DHCP
  18# information.
  19
  20if_file="/etc/sysconfig/network-scripts/ifcfg-"$1
  21
  22dhcp=$(grep "dhcp" $if_file 2>/dev/null)
  23
  24if [ "$dhcp" != "" ];
  25then
  26echo "Enabled"
  27else
  28echo "Disabled"
  29fi
  30