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Device Minigraph Generation and Deployment

Different topologies requires different configuration/minigraph on the DUT. testbed-cli.sh gen-mg|deploy-mg allows to generate and deploy minigraph to the DUT based on the topology type.

Before you run the command, first prepare inventory file and testbed.csv file. In the command line, vms-sn2700-t0 is the testbed name defined in testbed.csv, lab is the inventory file. password.txt is the vault password file.

./testbed-cli.sh deploy-mg vms-sn2700-t0 lab password.txt

Note

  • To configure your SONiC switch with different port speeds, you need to specify port speed in port_config.ini. Example port_config.ini.
  • You have to make sure that the hwsku in 'lab' can be found in port_utils.py. If you cannot find the hwsku of your SONiC device in the port-utils file, you should add your SONiC switch 'portname-to-alias' mapping information in port_utils.py.

How it works

The tool works as follows:

  • Read the testbed info from testbed.csv using the testbed name.

  • Read the topology information defined in topology file vars/topo_{{ topology_name}}.yml

  • Read the VMs information from the veos inventory file.

  • Generate minigraph based on minigraph templates in templates folder.

  • Deploy minigraph to the DUT.

  • Load the minigraph on DUT.

  • Save the configuration in config db.

For more details, please refer the comments in config_sonic_basedon_testbed.yml.