telee

telee [téli] is a CLI works on TErminaL to ExEcute a command on networking device through the user authentication.

It has following advantages compared to use standard telnet and SSH.

Reduces login and logout operations.

No longer have to enter username and password every time! 🎉
Realizes centralized operation from single host.

Able to get and compare the status, configuration and others easily! 🎉

For those who use many "expect" scripts and "TeraTerm Macro", telee may be a simple alternative.

In additional, the execution performance of telee is 6 to 72 times faster than napalm! 🚀

Installation

Download from release page.

telee works on linux_amd64, linux_arm64, darwin_amd64 and darwin_arm64.

Syntax

NAME:
   telee - One-line command executor

USAGE:
   telee -H HOSTNAME -C COMMAND [options...]

VERSION:
   1.7.6

COMMANDS:
   help, h  Shows a list of commands or help for one command

GLOBAL OPTIONS:
   --hostname value, -H value          Set hostname or IP address. [$TELEE_HOSTNAME]
   --port value, -P value              Set port number. (default: 0)
   --timeout value, -t value           Set timeout seconds. (default: 5)
   --command value, -C value           Set a command. [$TELEE_COMMAND]
   --exec-platform value, -x value     Set exec-platform. Refer to README.md what to be set. (default: "ios")
   --enable-mode, -e, --ena, --enable  Raise to privileged EXEC mode. (default: false)
   --redundant-mode, -r, --redundant   Use redundant prompt mode. (default: false)
   --secure-mode, -s, --sec, --secure  Use ssh mode. (default: false)
   --default-privilege-mode, -d        Use default privileged mode assinged by RADIUS attribute. (default: false)
   --username value, -u value          Set username. (default: "admin") [$TELEE_USERNAME]
   --password value, -p value          Set password. (default: "cisco") [$TELEE_PASSWORD]
   --priv-password value, --pp value   Set password to raise to privileged EXEC mode. (default: "enable") [$TELEE_PRIVPASSWORD]
   --help, -h                          show help (default: false)
   --version, -v                       print the version (default: false)

Usage

Set credentials as environment variable.

export TELEE_USERNAME=telee
export TELEE_PASSWORD=Teleedev!
export TELEE_PRIVPASSWORD=Teleedev!!

Run the command with hostname.

$ telee --hostname lab-cat29l-02f99-01 --command "show int descr"
show int descr
Load for five secs: 2%/0%; one minute: 1%; five minutes: 1%
Time source is NTP, 23:16:54.302 JST Sat May 8 2021

Interface                      Status         Protocol Description
Vl1                            admin down     down
Vl800                          up             up       *** LAB-MGMT ***
Gi0/1                          up             up       CLIENT_DEVICE_LONG_DESCR
Gi0/2                          up             up       CLIENT_DEVICE
Gi0/3                          up             up       CLIENT_DEVICE
Gi0/4                          up             up       CLIENT_DEVICE
Gi0/5                          up             up       CLIENT_DEVICE
Gi0/6                          down           down     CLIENT_DEVICE
Gi0/7                          down           down     CLIENT_DEVICE
Gi0/8                          up             up       GATEWAY_ROUTER
Gi0/9                          admin down     down
Gi0/10                         admin down     down
lab-cat29l-02f99-01>

Be able to grep the stdout.

$ telee --hostname lab-cat29l-02f99-01 --command "show int descr" | grep "Interface\|down"
Interface                      Status         Protocol Description
Vl1                            admin down     down
Gi0/1                          down           down     CLIENT_DEVICE_LONG_DESCR
Gi0/6                          down           down     CLIENT_DEVICE
Gi0/7                          down           down     CLIENT_DEVICE
Gi0/9                          admin down     down
Gi0/10                         admin down     down

Also able to redirect to file.

$ telee --hostname lab-cat29l-02f99-01 --command "show run" --enable > telee.log
$ head -n 10 telee.log
show run
Load for five secs: 1%/0%; one minute: 1%; five minutes: 1%
Time source is NTP, 23:21:34.501 JST Sat May 8 2021

Building configuration...

Current configuration : 18687 bytes
!
! Last configuration change at 01:30:16 JST Sun Feb 14 2021
!

When use on other than IOS, need to set --exec-platform (-x) option.

Click to show example

$ telee -H 192.168.0.250 -C "show sysinfo" -x aireos
show sysinfo

Manufacturer's Name.............................. Cisco Systems Inc.
Product Name..................................... Cisco Controller
Product Version.................................. 8.5.120.0
Bootloader Version............................... 1.0.20
Field Recovery Image Version..................... 7.6.101.1
Firmware Version................................. PIC 19.0

OUI File Last Update Time........................ Sun Sep 07 10:44:07 IST 2014

Build Type....................................... DATA + WPS

System Name...................................... lab-wlc-01f01-01a
System Location..................................
System Contact...................................
System ObjectID.................................. 1.3.6.1.4.1.9.1.1279
IP Address....................................... 192.168.0.250
<snip>

When use ASA, need to set --enable-mode option. It doesn't support ter pag 0 in user-level.

Click to show example

$ telee -H lab-asa5505-02f01-01 -C "show version" -x asa --enable-mode --pp Pswd1234#
show version

Cisco Adaptive Security Appliance Software Version 9.0(4)
Device Manager Version 7.1(5)100

Compiled on Wed 04-Dec-13 08:33 by builders
System image file is "disk0:/asa904-k8.bin"
Config file at boot was "startup-config"

lab-asa5505-02f01-01 up 70 days 2 hours

Hardware:   ASA5505, 512 MB RAM, CPU Geode 500 MHz,
Internal ATA Compact Flash, 128MB
BIOS Flash M50FW016 @ 0xfff00000, 2048KB

Encryption hardware device : Cisco ASA-5505 on-board accelerator (revision 0x0)
                             Boot microcode        : CN1000-MC-BOOT-2.00
                             SSL/IKE microcode     : CNLite-MC-SSLm-PLUS-2.03
<snip>

When use SSH, need to set --secure option.

Click to show example

$ telee -H lab-cat29l-02f99-01 -C "show run" --enable --secure
show run
Load for five secs: 8%/0%; one minute: 2%; five minutes: 1%
Time source is NTP, 02:25:22.496 JST Fri May 14 2021

Building configuration...

Current configuration : 18716 bytes
!
! Last configuration change at 01:46:41 JST Fri May 14 2021 by raciadev
!
version 15.2
no service pad
service tcp-keepalives-in
service timestamps debug datetime msec localtime show-timezone
service timestamps log datetime msec localtime show-timezone
service password-encryption
!
hostname lab-cat29l-02f99-01
<snip>

When use RADIUS to raise the privilege, need to set --default-privilege-mode option.

Click to show example

$ telee -H lab-nx70-02f01-01 -C "show version" -x nxos --default-privilege-mode
show version
Cisco Nexus Operating System (NX-OS) Software
TAC support: http://www.cisco.com/tac
Documents: http://www.cisco.com/en/US/products/ps9372/tsd_products_support_series_home.html
Copyright (c) 2002-2015, Cisco Systems, Inc. All rights reserved.
The copyrights to certain works contained in this software are
owned by other third parties and used and distributed under
license. Certain components of this software are licensed under
the GNU General Public License (GPL) version 2.0 or the GNU
Lesser General Public License (LGPL) Version 2.1. A copy of each
such license is available at
http://www.opensource.org/licenses/gpl-2.0.php and
http://www.opensource.org/licenses/lgpl-2.1.php

Software
BIOS:      version N/A
kickstart: version 6.2(14)
system:    version 6.2(14)
BIOS compile time:
kickstart image file is: bootflash:///n7000-s1-kickstart.6.2.14.bin
<snip>

When face the timeout, be able to extend the time using --timeout option.

Click to show example

$ telee -H lab-fs909-02f01-01 -C "show system" -x allied -u manager --timeout 10
show system
Switch System Status                     Date 2021-05-09 Time 01:04:54
Board     Bay      Board Name
----------------------------------------------------------------------
Base      -        FS909M
----------------------------------------------------------------------
Memory -  DRAM : 32768 kB  FLASH : 8192 kB   MAC : 00-1A-EB-93-1C-95
----------------------------------------------------------------------
SysDescription  : CentreCOM FS909M Ver 1.6.14 B02
SysContact      :
SysLocation     : LAB
SysName         : lab-fs909-02f01-01
SysUpTime       : 1267989237(146days, 18:11:32)
Release Version : 1.6.14
Release built   : B02 (Nov 23 2010 at 14:29:56)
Flash PROM      : Good
RAM             : Good
SW chip         : Good
<snip>

Usecase

umatare5/my-infra-network

Exec Platform

telee works for several operating systems. These are called exec-platform.
The following table shows each exec-platform was verified on which OS version.

Matrix

Name (`-x`)	Description	Enable Mode (`-e`)	Redundant Mode (`-r`)
aireos	Cisco AireOS	Optional	Not Available
allied	AlliedTelesis AlliedWare	Not Available	Not Available
asa	Cisco ASA Software	REQUIRED	Optional
foundry	Brocade IronWare	Optional	Not Available
ios	Cisco IOS, IOS-XE	Optional	Not Available
nxos	Cisco NX-OS	Optional	Not Available
srx	JuniperNetworks JunOS	Not Available	Not Available
ssg	JuniperNetworks ScreenOS	Not Available	Optional
yamaha	YAMAHA RT OS	Optional	Not Available

Verified On

"⚠ Not Verified" means "implemented but not checked". I'm waiting your report! 💓

Name (`-x`)	Telnet	SSH (--secure)	Default PrivMode (`-d`)
aireos	✅ 8.5.120.0	✅ 8.5.120.0	Not Supported
allied	✅ 1.6.14B02	Not Supported	Not Supported
asa	✅ 9.0(4)	⚠ Not Verified	⚠ Not Verified
asa (redundant-mode)	✅ 9.10(1)	⚠ Not Verified	⚠ Not Verified
foundry	✅ 07.2.02aT7e1	Not Supported	Not Supported
ios	✅ 15.2(5c)E	✅ 15.2(5c)E	✅ 15.2(5c)E
nxos	✅ 6.2(14)	⚠ Not Verified	✅ 6.2(14)
srx	Not Supported	✅ 15.1X49-D90.7	Not Supported
ssg	✅ 6.3.0r21.0	⚠ Not Verified	Not Supported
ssg (redundant-mode)	✅ 6.3.0r22.0	⚠ Not Verified	Not Supported
yamaha	✅ Rev.8.03.94	✅ Rev.10.01.78	Not Supported

Development

build

make build

release

make release

Name		Name	Last commit message	Last commit date
Latest commit History 201 Commits
.github/workflows		.github/workflows
cli		cli
cmd		cmd
docs/performance_comparison		docs/performance_comparison
internal		internal
pkg		pkg
.gitignore		.gitignore
.goimportsignore		.goimportsignore
.golangci.yml		.golangci.yml
.goreleaser.yml		.goreleaser.yml
.husky.yaml		.husky.yaml
.markdownlint.json		.markdownlint.json
.markdownlintignore		.markdownlintignore
LICENSE		LICENSE
Makefile		Makefile
README.md		README.md
go.mod		go.mod
go.sum		go.sum

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