This repository contains the initialization and setup scripts for deploying Elascale autoscaling platform on ViNO (Virtual Network Overlay). For more information regarding ViNO, refer to the following: https://www.savinetwork.ca/wp-content/uploads/savifunded/IM2015-106.pdf

This platform utilizes these specific VM images:

• Ubuntu-16-04-OVS-DOCKER - For switches and Hosts
• Ubuntu-16-04-RYU - RYU OpenFlow Controller

Note: Make sure you are logged into SAVI on client1/client2 (source savi ...)

The following procedure describes how to setup Elascale on ViNO platform

In order for ViNO to be setup, you need to have a RYU OpenFlow Controller up and running. Boot a VM using the following image: Ubuntu-16-04-RYU. A small flavor will suffice. Next, run the following command:

screen -d -m ryu-manager --config-file /etc/ryu/ryu.conf ryu.app.simple_switch

In order to work with Elascale Autoscaler (for autonomic bandwidth control), you need to copy the switches.py and qos_simple_switch_13.py (in this repo) to /usr/local/lib/python2.7/dist-packages/ryu/topology/ and restart the controller. This allows fetching Switches' IP addresses for topology information (required for autoscaling).

tmux -l

cd /usr/local/lib/python2.7/dist-packages/ryu/app

sudo ryu-manager --config-file /etc/ryu/ryu.conf ryu.app.ofctl_rest ryu.app.rest_topology ryu.app.rest_conf_switch ryu.app.rest_qos ryu.app.qos_simple_switch_13

This will create a screen session and run the controller. Please make sure the following secgroup ports are open for this VM and all other VMs:

Get the instalation script:

wget https://raw.githubusercontent.com/RajsimmanRavi/vino_elascale/master/overlay-elascale-init

Give execution privilege for the script: chmod 755 overlay-elascale-init

Execute the script: ./overlay-elascale-init

The script does the following:

• Fetches appropriate public key and adds to keypair-list (if not added already)
• Adds appropriate secgroup-rules
• Fetches the scripts from GitHub
• Modifies configuration script (config2.py) to add your SAVI authentication and environment information
• Modifies topology file (topology2.py) to add the current region

Modify contr_addr variable in topology2.py to the OpenFlow controller VM's IP address (Port 6633 can stay the same)

Execute the ViNO script on the specified folder: ${SCRIPTS_DIR}/./vino (fill in the variable)

The script does the following (in a nutshell):

• Boots up all the VMs (as defined by your topology)
• Sets up all the VXLAN interfaces for communication with OVS

Execute the ViNO script on the specified folder: ${SCRIPTS_DIR}/./elascale_setup.py (fill in the variable)

The script does the following (in a nutshell):

• Sets up the Docker Swarm master (as defined by your topology)
• Adds all the other hosts as swarm workers
• Adds role of monitor for specific host (as defined by your topology)
• Adds all the hosts as docker-machine clients

Once the setup is complete, you can login to your swarm-master, and follow along the 'Execute Installation Script' and 'Elascale Deployment' instructions described in: https://github.com/RajsimmanRavi/Elascale_secure to deploy Elascale on ViNO platform. At the end of the procedure, if you're having this problem with docker-machine nodes: Unable to query docker version: Cannot connect to the docker engine endpoint, then just regenerate the certs: sudo docker-machine regenerate-certs {hostname}

In order to delete all the created VMs, you can simply call the following script: ${SCRIPTS_DIR}/./vino_cleanup (fill in the variable)

If you have any questions or comments, please email me at: [email protected]