Introduction

• Barista: An Event-centric Composable NOS for Software-Defined Networks (SDN Controller)

Notification

• If you find any bugs or have any questions, please send an e-mail to us.

Configuration

• The configuration of the Barista NOS: config.mk
• The configurations of components and applications: bin/config
• The credentials for a CLI and a database: bin/secrect

Test environment

• The current Barista is tested on Ubuntu 16.04.
• It may work on other Linux platforms if its dependency issues are solved.

Compilation

1. Install dependencies

$ ./deps.sh
Enter 'yes' when asking for the installation of MariaDB
After setting 'root' password for MariaDB, update 'bin/secret/db_password.txt' as well

2. Compile the source code of Barista NOS

$ make

3. Clean up the compiled files for Barista NOS

$ make clean

Execution (monolithic-kernel mode)

• Run the Barista NOS

$ cd bin
$ ./barista

• Run the Barista NOS automatically

$ ./barista -r

• Run the Barista NOS as a daemon

$ ./barista -d

• Run the Barista NOS with base components

$ ./barista -b

• Connect the CLI of the Barista NOS

$ telnet localhost 8000 (default port)
(default ID: admin, default PW: password)

Execution (micro-kernel mode)

• Set up Docker environments

$ ./docker.sh

• Run the Barista Docker containers

$ cd dockers; ./start.sh

Default barista applications (i.e., base, l2_learning, rbac) will be running on individual Docker containers.

CLI commands

• Change the current mode to a privilegd mode

Barista> turn on

• Load configurations (privileged mode)

Barista# load

• Start the Barista NOS (privileged mode)

Barista# start

• Stop the Barista NOS (privileged mode)

Barista# stop

• More information?

Barista> help

Author

• Jaehyun Nam namjh@kaist.ac.kr