VM management - Create/Edit guest check/run script

Owned by Bruno Miretti (Deactivated)
Last updated: Oct 18, 2024 by W.ErberVersion comment

Description

It is possible to display a line that is the result of a command sent to the legacy operating system running on the guest or a result of a "ping" done locally that can give information on the guest system. For example, the uptime can be returned (rsh or ssh needed) and added to the displayed guests list.

Display output example from the "vmlist" command:

If the script has been initialized and a new virtual machine is added, it must be edited for the case related to the new configuration file to be added otherwise the "Invalid parameter" case will be displayed (this does not prevent the script from running).


Usage

Select option 1 to edit the script and option 2 to verify the commands entered work correctly:

Script example

(lightbulb) In this example, "ssh" is used to display the guest "uptime" for the rp7400 HP-UX system.

(warning) The last 2 lines containing the RETVAL variable are mandatory.

Example:

#!/bin/sh
#
case "$1"
in
  /charonRP7400/rp7400.cfg)
    ssh -o ConnectTimeout=2 rp7400 "uptime|cut -f1 -d','" 2>/dev/null
    #rsh rp7400 "uptime|cut -f1 -d','" 2>/dev/null
    RETVAL=$?
    ;;
  *)
    echo "Invalid parameter '$1'"
    RETVAL=1
    ;;
esac
echo "==RETVAL=${RETVAL}=="
exit ${RETVAL}

Note: when the script is initialized, examples are provided and comments need to be removed depending on your needs. It is of course possible to add your own commands.

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