Readers will learn how to run operational mode commands from scripts.
ubnt@ubnt:~$ cat myscript #!/bin/bash show version show interfaces
I made sure the script was executable with:
ubnt@ubnt:~$ chmod +x myscript
But when I run it, I get the following errors:
ubnt@ubnt:~$ ./myscript ./myscript: line 2: show: command not found ./myscript: line 3: show: command not found
Why isn't it working?
Answer: The script is missing the environment variables it needs. To fix it you can run the command with command wrapper that has the environment variables it needs. For example:
ubnt@ubnt:~$ cat myscript #!/bin/bash run=/opt/vyatta/bin/vyatta-op-cmd-wrapper $run show version $run show interfaces
Now when the script is run we get:
ubnt@ubnt:~$ ./myscript Version: v1.2.0alpha2 Build ID: 4558456 Build on: 05/02/13 16:24 Copyright: 2012-2013 Ubiquiti Networks, Inc. HW model: EdgeRouter Lite 3-Port HW S/N: DC9FDB29DBEE Uptime: 22:09:25 up 11 days, 1:25, 1 user, load average: 0.08, 0.02, 0.01 Codes: S - State, L - Link, u - Up, D - Down, A - Admin Down Interface IP Address S/L Description --------- ---------- --- ----------- eth0 192.168.1.1/24 u/D secure LAN eth1 192.168.2.1/24 u/D public LAN eth1.100 188.8.131.52/24 u/D eth2 184.108.40.206/24 u/u WAN lo 127.0.0.1/8 u/u
In order for the script to survive an upgrade you'll want to move it into the /config directory since that whole directory gets copied in the upgrade process.
mv myscript /config/scripts
UBNT-stig & UBNT-Jamie