Setup Guide

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Uninstalling SmartScripts
Uninstalling the SmartScripts package removes it from the internal ash memory.
CAUTION: Before you uninstall the Smart Scripting package, stop all scripts that are running using the no script script-
name command. You must also manually stop the HTTP server daemon.
CAUTION: Uninstall all the SmartScripts, OMI, Puppet, and VSN packages before installing the new versions.
NOTE: If you have the SmartScripts package with version 2.x.x or 3.x.x, the Open Automation packages must be cleared before
upgrading or downgrading the Dell EMC Networking OS image.
• Clear all the Open Automation packages stored on the switch.
EXEC Privilege
package clear-all
Dell EMC Environment Variables
Dell EMC Networking OS provides the following set of environment variables that you can access through scripts (PERL, Python, Ruby,
TCL, UNIX, and ZSH).
1 DELL_TRGEVT_NAME — gets the name of the Event that triggered the script.
2 DELL_TRGEVT_TYPE — displays the type of event that triggered the script. The event type can be mentioned as follows:
Table 3. DELL_TRGEVT_TYPE Event and Environment Variable
Event DELL_TRGEVT_TYPE (Environment Variable)
cpu-usage CPU
log-event LOG EVENT
mem-usage MEMORY
time-event TIME EVENT
3 DELL_TRGEVT_LOGMSG — displays the log message that triggered the script. It prints a maximum of 256 characters.
4 DELL_TRGEVT_CPU — gets the CPU percentage that triggered the script.
5 DELL_TRGEVT_MEM — displays the memory usage that triggered the script.
Following is the sample script illustrating the use of environment variables:
#! /usr/bin/tclsh
set filename "/f10/flash/Log.txt"
set fileId [open $filename "a+"]
switch $env(DELL_TRGEVT_TYPE) {
"TIME EVENT" {
set data "Sending Mail : The triggered Event $env(DELL_TRGEVT_NAME) is Time Event
- Reload Started"
}
"LOG EVENT" {
set data "Sending Mail : Triggered Event is $env(DELL_TRGEVT_NAME) BPDU Guard
Initiated , Port will recover once it is out of Error Disable State \n"
set data [concat $data "Attching the Log Message : $env(DELL_TRGEVT_LOGMSG)"]
}
Smart Scripting
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