charm-cinder/charmhelpers/fetch/python/debug.py
David Ames 8577da90f5 Update charm-helpers-hooks.yaml and sync ch
Using the new version of the sync tool which removes the charmhelpers
directory before syncing, run charm helpers sync to find any unexpected
missing dependencies.

Change-Id: I46b4174540b8a2ec4644a77d1c7c8e7e2278cbd1
2019-02-12 15:56:10 -08:00

55 lines
1.6 KiB
Python

#!/usr/bin/env python
# coding: utf-8
# Copyright 2014-2015 Canonical Limited.
#
# 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.
from __future__ import print_function
import atexit
import sys
from charmhelpers.fetch.python.rpdb import Rpdb
from charmhelpers.core.hookenv import (
open_port,
close_port,
ERROR,
log
)
__author__ = "Jorge Niedbalski <jorge.niedbalski@canonical.com>"
DEFAULT_ADDR = "0.0.0.0"
DEFAULT_PORT = 4444
def _error(message):
log(message, level=ERROR)
def set_trace(addr=DEFAULT_ADDR, port=DEFAULT_PORT):
"""
Set a trace point using the remote debugger
"""
atexit.register(close_port, port)
try:
log("Starting a remote python debugger session on %s:%s" % (addr,
port))
open_port(port)
debugger = Rpdb(addr=addr, port=port)
debugger.set_trace(sys._getframe().f_back)
except Exception:
_error("Cannot start a remote debug session on %s:%s" % (addr,
port))