build: reworked with setuptools
Signed-off-by: Ray Kinsella <mdr@ashroe.eu>
This commit is contained in:
Ray Kinsella
287
vppcfg/vppcfg.py
Executable file
287
vppcfg/vppcfg.py
Executable file
@@ -0,0 +1,287 @@
|
||||
#!/usr/bin/env python3
|
||||
#
|
||||
# Copyright (c) 2022 Pim van Pelt
|
||||
#
|
||||
# Licensed under the Apache License, Version 2.0 (the "License");
|
||||
# you may not use this file except in compliance with the License.
|
||||
# You may obtain a copy of the License at:
|
||||
# http://www.apache.org/licenses/LICENSE-2.0
|
||||
# Unless required by applicable law or agreed to in writing, software
|
||||
# distributed under the License is distributed on an "AS IS" BASIS,
|
||||
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
# See the License for the specific language governing permissions and
|
||||
# limitations under the License.
|
||||
#
|
||||
# -*- coding: utf-8 -*-
|
||||
"""vppcfg is a utility to configure a running VPP Dataplane using YAML
|
||||
config files. See http://github.com/pimvanpelt/vppcfg/README.md for details. """
|
||||
import sys
|
||||
import logging
|
||||
import yaml
|
||||
from config import Validator
|
||||
from vpp.reconciler import Reconciler
|
||||
from vpp.dumper import Dumper
|
||||
|
||||
try:
|
||||
import argparse
|
||||
except ImportError:
|
||||
print("ERROR: install argparse manually: sudo pip install argparse")
|
||||
sys.exit(-2)
|
||||
|
||||
|
||||
def main():
|
||||
"""The main vppcfg program"""
|
||||
parser = argparse.ArgumentParser(formatter_class=argparse.RawTextHelpFormatter)
|
||||
parser.add_argument(
|
||||
"-d",
|
||||
"--debug",
|
||||
dest="debug",
|
||||
action="store_true",
|
||||
help="""enable debug logging, default False""",
|
||||
)
|
||||
parser.add_argument(
|
||||
"-q",
|
||||
"--quiet",
|
||||
dest="quiet",
|
||||
action="store_true",
|
||||
help="""be quiet (only warnings/errors), default False""",
|
||||
)
|
||||
parser.add_argument(
|
||||
"-f",
|
||||
"--force",
|
||||
dest="force",
|
||||
action="store_true",
|
||||
help="""force progress despite warnings, default False""",
|
||||
)
|
||||
|
||||
subparsers = parser.add_subparsers(dest="command")
|
||||
check_p = subparsers.add_parser(
|
||||
"check", help="check given YAML config for validity (no VPP)"
|
||||
)
|
||||
check_p.add_argument(
|
||||
"-s",
|
||||
"--schema",
|
||||
dest="schema",
|
||||
type=str,
|
||||
help="""YAML schema validation file, default to use built-in""",
|
||||
)
|
||||
check_p.add_argument(
|
||||
"-c",
|
||||
"--config",
|
||||
dest="config",
|
||||
required=True,
|
||||
type=str,
|
||||
help="""YAML configuration file for vppcfg""",
|
||||
)
|
||||
|
||||
dump_p = subparsers.add_parser(
|
||||
"dump", help="dump current running VPP configuration (VPP readonly)"
|
||||
)
|
||||
dump_p.add_argument(
|
||||
"-o",
|
||||
"--output",
|
||||
dest="outfile",
|
||||
required=False,
|
||||
default="-",
|
||||
type=str,
|
||||
help="""Output file for YAML config, default stdout""",
|
||||
)
|
||||
dump_p.add_argument(
|
||||
"-j",
|
||||
"--vpp-json-dir",
|
||||
dest="vpp_json_dir",
|
||||
required=False,
|
||||
type=str,
|
||||
help="""Directory where VPP API JSON files are located""",
|
||||
)
|
||||
dump_p.add_argument(
|
||||
"-a",
|
||||
"--vpp-api-socket",
|
||||
dest="vpp_api_socket",
|
||||
required=False,
|
||||
type=str,
|
||||
help="""Pathname of VPP API socket file""",
|
||||
)
|
||||
|
||||
plan_p = subparsers.add_parser(
|
||||
"plan",
|
||||
help="plan changes from current VPP dataplane to target config (VPP readonly)",
|
||||
)
|
||||
plan_p.add_argument(
|
||||
"-s",
|
||||
"--schema",
|
||||
dest="schema",
|
||||
type=str,
|
||||
help="""YAML schema validation file, default to use built-in""",
|
||||
)
|
||||
plan_p.add_argument(
|
||||
"-c",
|
||||
"--config",
|
||||
dest="config",
|
||||
required=True,
|
||||
type=str,
|
||||
help="""YAML configuration file for vppcfg""",
|
||||
)
|
||||
plan_p.add_argument(
|
||||
"-o",
|
||||
"--output",
|
||||
dest="outfile",
|
||||
required=False,
|
||||
default="-",
|
||||
type=str,
|
||||
help="""Output file for VPP CLI commands, default stdout""",
|
||||
)
|
||||
plan_p.add_argument(
|
||||
"-j",
|
||||
"--vpp-json-dir",
|
||||
dest="vpp_json_dir",
|
||||
required=False,
|
||||
type=str,
|
||||
help="""Directory where VPP API JSON files are located""",
|
||||
)
|
||||
plan_p.add_argument(
|
||||
"-a",
|
||||
"--vpp-api-socket",
|
||||
dest="vpp_api_socket",
|
||||
required=False,
|
||||
type=str,
|
||||
help="""Pathname of VPP API socket file""",
|
||||
)
|
||||
|
||||
apply_p = subparsers.add_parser(
|
||||
"apply", help="apply changes from current VPP dataplane to target config"
|
||||
)
|
||||
apply_p.add_argument(
|
||||
"-s",
|
||||
"--schema",
|
||||
dest="schema",
|
||||
type=str,
|
||||
help="""YAML schema validation file, default to use built-in""",
|
||||
)
|
||||
apply_p.add_argument(
|
||||
"-c",
|
||||
"--config",
|
||||
dest="config",
|
||||
required=True,
|
||||
type=str,
|
||||
help="""YAML configuration file for vppcfg""",
|
||||
)
|
||||
apply_p.add_argument(
|
||||
"-j",
|
||||
"--vpp-json-dir",
|
||||
dest="vpp_json_dir",
|
||||
required=False,
|
||||
type=str,
|
||||
help="""Directory where VPP API JSON files are located""",
|
||||
)
|
||||
apply_p.add_argument(
|
||||
"-a",
|
||||
"--vpp-api-socket",
|
||||
dest="vpp_api_socket",
|
||||
required=False,
|
||||
type=str,
|
||||
help="""Pathname of VPP API socket file""",
|
||||
)
|
||||
|
||||
args = parser.parse_args()
|
||||
if not args.command:
|
||||
parser.print_help()
|
||||
print("\nPlease see vppcfg <command> -h for per-command arguments")
|
||||
sys.exit(0)
|
||||
|
||||
level = logging.INFO
|
||||
if args.debug:
|
||||
level = logging.DEBUG
|
||||
if args.quiet:
|
||||
level = logging.WARNING
|
||||
logging.basicConfig(
|
||||
format="[%(levelname)-8s] %(name)s.%(funcName)s: %(message)s", level=level
|
||||
)
|
||||
|
||||
opt_kwargs = {}
|
||||
if "vpp_json_dir" in args and args.vpp_json_dir is not None:
|
||||
opt_kwargs["vpp_json_dir"] = args.vpp_json_dir
|
||||
if "vpp_api_socket" in args and args.vpp_api_socket is not None:
|
||||
opt_kwargs["vpp_api_socket"] = args.vpp_api_socket
|
||||
|
||||
if args.command == "dump":
|
||||
dumper = Dumper(**opt_kwargs)
|
||||
if not dumper.readconfig():
|
||||
logging.error("Could not retrieve config from VPP")
|
||||
sys.exit(-7)
|
||||
dumper.write(args.outfile)
|
||||
sys.exit(0)
|
||||
|
||||
try:
|
||||
with open(args.config, "r", encoding="utf-8") as file:
|
||||
logging.info(f"Loading configfile {args.config}")
|
||||
cfg = yaml.load(file, Loader=yaml.FullLoader)
|
||||
logging.debug(f"Config: {cfg}")
|
||||
except OSError as err:
|
||||
logging.error(f"Couldn't read config from {args.config}: {err}")
|
||||
sys.exit(-1)
|
||||
|
||||
validator = Validator(schema=args.schema)
|
||||
if not validator.valid_config(cfg):
|
||||
logging.error("Configuration is not valid, bailing")
|
||||
sys.exit(-2)
|
||||
logging.info("Configuration is valid")
|
||||
if args.command == "check":
|
||||
sys.exit(0)
|
||||
|
||||
reconciler = Reconciler(cfg, **opt_kwargs)
|
||||
if not reconciler.vpp.readconfig():
|
||||
sys.exit(-3)
|
||||
|
||||
if not reconciler.phys_exist_in_vpp():
|
||||
logging.error("Not all PHYs in the config exist in VPP")
|
||||
sys.exit(-4)
|
||||
|
||||
if not reconciler.phys_exist_in_config():
|
||||
logging.error("Not all PHYs in VPP exist in the config")
|
||||
sys.exit(-5)
|
||||
|
||||
if not reconciler.lcps_exist_with_lcp_enabled():
|
||||
logging.error(
|
||||
"Linux Control Plane is needed, but linux-cp API is not available"
|
||||
)
|
||||
sys.exit(-6)
|
||||
|
||||
failed = False
|
||||
if not reconciler.prune():
|
||||
if not args.force:
|
||||
logging.error("Planning prune failure")
|
||||
sys.exit(-10)
|
||||
failed = True
|
||||
logging.warning("Planning prune failure, continuing due to --force")
|
||||
|
||||
if not reconciler.create():
|
||||
if not args.force:
|
||||
logging.error("Planning create failure")
|
||||
sys.exit(-20)
|
||||
failed = True
|
||||
logging.warning("Planning create failure, continuing due to --force")
|
||||
|
||||
if not reconciler.sync():
|
||||
if not args.force:
|
||||
logging.error("Planning sync failure")
|
||||
sys.exit(-30)
|
||||
failed = True
|
||||
logging.warning("Planning sync failure, continuing due to --force")
|
||||
|
||||
if args.command == "plan":
|
||||
reconciler.write(args.outfile, emit_ok=not failed)
|
||||
|
||||
if failed:
|
||||
logging.error("Planning failed")
|
||||
sys.exit(-40)
|
||||
|
||||
logging.info("Planning succeeded")
|
||||
if args.command == "plan":
|
||||
sys.exit(0)
|
||||
|
||||
sys.exit(0)
|
||||
|
||||
|
||||
if __name__ == "__main__":
|
||||
main()
|
||||
Reference in New Issue
Block a user