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##############################################################################
# Copyright (c) 2016 Feng Pan (fpan@redhat.com), Dan Radez (dradez@redhat.com)
#
# All rights reserved. This program and the accompanying materials
# are made available under the terms of the Apache License, Version 2.0
# which accompanies this distribution, and is available at
# http://www.apache.org/licenses/LICENSE-2.0
##############################################################################
import argparse
import sys
import apex
import logging
import os
import yaml
from jinja2 import Environment, FileSystemLoader
def parse_net_settings(args):
"""
Parse OPNFV Apex network_settings.yaml config file
and dump bash syntax to set environment variables
Args:
- file: string
file to network_settings.yaml file
- network_isolation: bool
enable or disable network_isolation
"""
settings = apex.NetworkSettings(args.net_settings_file,
args.network_isolation)
net_env = apex.NetworkEnvironment(settings, args.net_env_file)
dump_yaml(net_env.get_netenv_settings(), '/tmp/network-environment.yaml')
settings.dump_bash()
def dump_yaml(data, file):
"""
Dumps data to a file as yaml
:param data: yaml to be written to file
:param file: filename to write to
:return:
"""
with open(file, "w") as fh:
yaml.dump(data, fh, default_flow_style=False)
def parse_deploy_settings(args):
settings = apex.DeploySettings(args.file)
settings.dump_bash()
def find_ip(args):
"""
Get and print the IP from a specific interface
Args:
- interface: string
network interface name
- address_family: int
4 or 6, respective to ipv4 or ipv6
"""
interface = apex.ip_utils.get_interface(args.interface,
args.address_family)
if interface:
print(interface.ip)
def build_nic_template(args):
"""
Build and print a Triple-O nic template from jinja template
Args:
- template: string
path to jinja template to load
- enabled_networks: comma delimited list
list of networks defined in net_env.py
- ext_net_type: string
interface or br-ex, defines the external network configuration
- address_family: string
4 or 6, respective to ipv4 or ipv6
- ovs_dpdk_bridge: string
bridge name to use as ovs_dpdk
"""
template_dir, template = args.template.rsplit('/', 1)
env = Environment(loader=FileSystemLoader(template_dir))
template = env.get_template(template)
print(template.render(enabled_networks=args.enabled_networks,
external_net_type=args.ext_net_type,
external_net_af=args.address_family,
ovs_dpdk_bridge=args.ovs_dpdk_bridge))
def parse_args():
parser = argparse.ArgumentParser()
parser.add_argument('--debug', action='store_true', default=False,
help="Turn on debug messages")
parser.add_argument('-l', '--log-file', default='/var/log/apex/apex.log',
dest='log_file', help="Log file to log to")
subparsers = parser.add_subparsers()
net_settings = subparsers.add_parser('parse-net-settings',
help='Parse network settings file')
net_settings.add_argument('-s', '--net-settings-file',
default='network-settings.yaml',
dest='net_settings_file',
help='path to network settings file')
net_settings.add_argument('-i', '--network-isolation', type=bool,
default=True, dest='network_isolation',
help='network isolation')
net_settings.add_argument('-e', '--net-env-file',
default="network-environment.yaml",
dest='net_env_file',
help='path to network environment file')
net_settings.set_defaults(func=parse_net_settings)
get_int_ip = subparsers.add_parser('find-ip',
help='Find interface ip')
get_int_ip.add_argument('-i', '--interface', required=True,
help='Interface name')
get_int_ip.add_argument('-af', '--address-family', default=4, type=int,
choices=[4, 6], dest='address_family',
help='IP Address family')
get_int_ip.set_defaults(func=find_ip)
nic_template = subparsers.add_parser('nic-template',
help='Build NIC templates')
nic_template.add_argument('-t', '--template', required=True,
dest='template',
help='Template file to process')
nic_template.add_argument('-n', '--enabled-networks', required=True,
dest='enabled_networks',
help='enabled network list')
nic_template.add_argument('-e', '--ext-net-type', default='interface',
dest='ext_net_type',
choices=['interface', 'br-ex'],
help='External network type')
nic_template.add_argument('-af', '--address-family', type=int, default=4,
dest='address_family', help='IP address family')
nic_template.add_argument('-d', '--ovs-dpdk-bridge',
default=None, dest='ovs_dpdk_bridge',
help='OVS DPDK Bridge Name')
nic_template.set_defaults(func=build_nic_template)
deploy_settings = subparsers.add_parser('parse-deploy-settings',
help='Parse deploy settings file')
deploy_settings.add_argument('-f', '--file', default='deploy_settings.yaml',
help='path to deploy settings file')
deploy_settings.set_defaults(func=parse_deploy_settings)
args = parser.parse_args(sys.argv[1:])
if args.debug:
logging.basicConfig(level=logging.DEBUG)
else:
apex_log_filename = args.log_file
os.makedirs(os.path.dirname(apex_log_filename), exist_ok=True)
logging.basicConfig(filename=apex_log_filename,
format='%(asctime)s %(levelname)s: %(message)s',
datefmt='%m/%d/%Y %I:%M:%S %p',
level=logging.DEBUG)
return parser, args
def main(parser, args):
if hasattr(args, 'func'):
args.func(args)
else:
parser.print_help()
exit(1)
if __name__ == "__main__":
parser, args = parse_args()
main(parser, args)
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