I have done a few basic scripts and I'm now embarking on a bigger project.
I'd like to update several hundred CPE configuration in the field. But in order to not make a mess of things I need to save the IP info and a few other things like the radio name or RB identity before killing config and reloading the new one.
Saving what I need is no problem using either export or print, and sending it to a file but how do I get the information back into the newly configured CPE? can the variable be taken from a text file on the cpe/router?
Is this the best approach? and If some one has done this and want to share that would be great.
Thanks
Re: Variables from a file
Assuming the a text file named example.txt in the root directory of the file system with the following content:
The below script will extract the value of the variable named 'ip'. It's rather verbose and could be shortened.
Hope that helps.
I'd probably rather make use of the auto-execute on files named ending in .auto.rsc, though. Have an offsite system generate all the configuration files after receiving the static information via SNMP/script/whatever, then upload the configurations.
Code: Select all
ip=1.2.3.4
other=test
Code: Select all
# slurp in file contents into variable
:local fileContents [/file get [/file find name=example.txt] contents];
# set a search variable that contains the variable name for the value to be extracted
:local variableName "ip";
# find the character offset for that variable name and add the length of the variable plus one for the = character, offset now points to character value
:local start [:find ($variableName . "=") $fileContents];
:set start ($start + [:len $variableName] + 1);
# find the character offset for the next newline as that indicates the variable value end
:local end [:find $fileContents "\r\n" $start];
# extract that substring
:local value [:pick $fileContents $start $end];
# print it
:put ("The value of '$variableName' is: " . $value);
I'd probably rather make use of the auto-execute on files named ending in .auto.rsc, though. Have an offsite system generate all the configuration files after receiving the static information via SNMP/script/whatever, then upload the configurations.
Re: Variables from a file
Thanks for the details, I'll work it in to what I have.
Thanks again.
Thanks again.