src/initscripts/system/cloud-init

   1 #!/bin/sh
   2 ###############################################################################
   3 #                                                                             #
   4 # IPFire.org - A linux based firewall                                         #
   5 # Copyright (C) 2007-2022  IPFire Team  <info@ipfire.org>                     #
   6 #                                                                             #
   7 # This program is free software: you can redistribute it and/or modify        #
   8 # it under the terms of the GNU General Public License as published by        #
   9 # the Free Software Foundation, either version 3 of the License, or           #
  10 # (at your option) any later version.                                         #
  11 #                                                                             #
  12 # This program is distributed in the hope that it will be useful,             #
  13 # but WITHOUT ANY WARRANTY; without even the implied warranty of              #
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the               #
  15 # GNU General Public License for more details.                                #
  16 #                                                                             #
  17 # You should have received a copy of the GNU General Public License           #
  18 # along with this program.  If not, see <http://www.gnu.org/licenses/>.       #
  19 #                                                                             #
  20 ###############################################################################
  21
  22 . /etc/sysconfig/rc
  23 . ${rc_functions}
  24
  25 case "${1}" in
  26         start)
  27                 # Check if we are running in the cloud
  28                 if running_on_ec2; then
  29                         scriptname="/etc/rc.d/helper/aws-setup"
  30                 elif running_on_exoscale; then
  31                         scriptname="/etc/rc.d/helper/exoscale-setup"
  32                 elif running_on_azure; then
  33                         scriptname="/etc/rc.d/helper/azure-setup"
  34                 elif running_on_gcp; then
  35                         scriptname="/etc/rc.d/helper/gcp-setup"
  36                 elif running_on_oci; then
  37                         scriptname="/etc/rc.d/helper/oci-setup"
  38                 else
  39                         # This system is not running in the cloud
  40                         exit 0
  41                 fi
  42
  43                 # Find the first interface to use
  44                 for i in /sys/class/net/red* /sys/class/net/eth* \
  45                                 /sys/class/net/*; do
  46                         [ -d "${i}" ] || continue
  47                         i=$(basename ${i})
  48
  49                         # Skip loopback
  50                         [ "${i}" = "lo" ] && continue
  51
  52                         # Use whatever we have found
  53                         intf="${i}"
  54                         break
  55                 done
  56
  57                 # Check if we found a network interface
  58                 if [ ! -n "${intf}" ]; then
  59                         echo_failure
  60
  61                         boot_mesg -n "Could not find a network interface" ${FAILURE}
  62                         boot_mesg "" ${NORMAL}
  63                 fi
  64
  65                 # Run a DHCP client and set up the system accordingly
  66                 dhclient -sf "${scriptname}" "${intf}"
  67
  68                 # End DHCP client immediately
  69                 dhclient -sf "${scriptname}" -r "${intf}" &>/dev/null
  70
  71                 # Rename network devices
  72                 udevadm trigger --action="add" --subsystem-match="net"
  73
  74                 exit 0
  75                 ;;
  76
  77         status)
  78                 # Check Amazon
  79                 if running_on_ec2; then
  80                         echo "This system is running on AWS EC2"
  81                         exit 0
  82
  83                 # Check Exoscale
  84                 elif running_on_exoscale; then
  85                         echo "This system is running on Exoscale"
  86                         exit 0
  87
  88                 # Check Microsoft
  89                 elif running_on_azure; then
  90                         echo "This system is running on Microsoft Azure"
  91                         exit 0
  92
  93                 # Check Google
  94                 elif running_on_gcp; then
  95                         echo "This system is running on Google Cloud"
  96                         exit 0
  97
  98                 # The rest
  99                 else
 100                         echo "This system is NOT running in the cloud"
 101                         exit 1
 102                 fi
 103                 ;;
 104
 105         *)
 106                 echo "Usage: ${0} {start|status}"
 107                 exit 1
 108                 ;;
 109 esac