def vnet_config(minigraph_facts, vnet_test_params, scaled_vnet_params):
"""
Fixture to generate vnet configuration from templates/vnet_config.j2
Args:
minigraph_facts: minigraph information/facts
vnet_test_params: Dictionary holding vnet test parameters
scaled_vnet_params: Dictionary holding scaled vnet testing parameters
Returns:
A dictionary containing the generated vnet configuration information
"""
num_rifs = vnet_test_params[NUM_INTF_PER_VNET_KEY] * scaled_vnet_params[
NUM_VNET_KEY]
if num_rifs > 128:
logger.warning(
"Total number of configured interfaces will be greater than 128. This is not a supported test scenario"
)
combined_args = combine_dicts(minigraph_facts, vnet_test_params,
scaled_vnet_params)
return yaml.safe_load(
safe_open_template(path.join(TEMPLATE_DIR,
"vnet_config.j2")).render(combined_args))
def prepare_ptf(ptfhost, mg_facts, dut_facts, vnet_config):
"""
Prepares the PTF container for testing
Generates and copies PTF required config files to the PTF host
Args:
ptfhost: PTF host object
mg_facts: Minigraph facts
dut_facts: DUT host facts
vnet_config: Configuration file generated from templates/vnet_config.j2
"""
logger.info("Preparing PTF host")
arp_responder_conf = safe_open_template("templates/arp_responder.conf.j2") \
.render(arp_responder_args="--conf /tmp/vnet_arpresponder.conf")
ptfhost.copy(content=arp_responder_conf,
dest="/etc/supervisor/conf.d/arp_responder.conf")
ptfhost.shell("supervisorctl reread")
ptfhost.shell("supervisorctl update")
logger.debug("VNet config is: " + str(vnet_config))
vnet_json = {
"minigraph_port_indices":
mg_facts["minigraph_port_indices"],
"minigraph_portchannel_interfaces":
mg_facts["minigraph_portchannel_interfaces"],
"minigraph_portchannels":
mg_facts["minigraph_portchannels"],
"minigraph_lo_interfaces":
mg_facts["minigraph_lo_interfaces"],
"minigraph_vlans":
mg_facts["minigraph_vlans"],
"minigraph_vlan_interfaces":
mg_facts["minigraph_vlan_interfaces"],
"dut_mac":
dut_facts["router_mac"],
"vnet_interfaces":
vnet_config["vnet_intf_list"],
"vnet_routes":
vnet_config["vnet_route_list"] + vnet_config["vnet_subnet_routes"],
"vnet_local_routes":
vnet_config["vnet_local_routes"],
"vnet_neighbors":
vnet_config["vnet_nbr_list"],
"vnet_peers":
vnet_config["vnet_peer_list"]
}
ptfhost.copy(content=json.dumps(vnet_json, indent=2),
dest="/tmp/vnet.json")
def vnet_config(minigraph_facts, vnet_test_params, scaled_vnet_params):
"""
Fixture to generate vnet configuration from templates/vnet_config.j2
Args:
minigraph_facts: minigraph information/facts
vnet_test_params: Dictionary holding vnet test parameters
scaled_vnet_params: Dictionary holding scaled vnet testing parameters
Returns:
A dictionary containing the generated vnet configuration information
"""
combined_args = combine_dicts(minigraph_facts, vnet_test_params,
scaled_vnet_params)
return yaml.safe_load(
safe_open_template(path.join(TEMPLATE_DIR,
"vnet_config.j2")).render(combined_args))
