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# Copyright 2014 Mirantis Inc.
# All Rights Reserved.
#
# 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.
import json
import os
from osprofiler.cmd import cliutils
from osprofiler.drivers import base
from osprofiler import exc
class BaseCommand(object):
group_name = None
class TraceCommands(BaseCommand):
group_name = "trace"
@cliutils.arg("trace", help="File with trace or trace id")
@cliutils.arg("--connection-string", dest="conn_str",
default=(cliutils.env("OSPROFILER_CONNECTION_STRING") or
"ceilometer://"),
help="Storage driver's connection string. Defaults to "
"env[OSPROFILER_CONNECTION_STRING] if set, else "
"ceilometer://")
@cliutils.arg("--json", dest="use_json", action="store_true",
help="show trace in JSON")
@cliutils.arg("--html", dest="use_html", action="store_true",
help="show trace in HTML")
@cliutils.arg("--out", dest="file_name", help="save output in file")
def show(self, args):
"""Displays trace-results by given trace id in HTML or JSON format."""
trace = None
if os.path.exists(args.trace):
trace = json.load(open(args.trace))
else:
try:
engine = base.get_driver(args.conn_str, **args.__dict__)
except Exception as e:
raise exc.CommandError(e.message)
trace = engine.get_report(args.trace)
if not trace:
msg = ("Trace with UUID %s not found. "
"There are 3 possible reasons: \n"
" 1) You are using not admin credentials\n"
" 2) You specified wrong trace id\n"
" 3) You specified wrong HMAC Key in original calling\n"
" 4) Ceilometer didn't enable profiler notification topic"
% args.trace)
raise exc.CommandError(msg)
# NOTE(ayelistratov): Ceilometer translates datetime objects to
# strings, other drivers store this data in ISO Date format.
# Since datetime.datetime is not JSON serializable by default,
# this method will handle that.
def datetime_json_serialize(obj):
if hasattr(obj, "isoformat"):
return obj.isoformat()
else:
return obj
if args.use_json:
output = json.dumps(trace, default=datetime_json_serialize)
elif args.use_html:
with open(os.path.join(os.path.dirname(__file__),
"template.html")) as html_template:
output = html_template.read().replace(
"$DATA", json.dumps(trace, indent=2,
default=datetime_json_serialize))
else:
raise exc.CommandError("You should choose one of the following "
"output-formats: --json or --html.")
if args.file_name:
with open(args.file_name, "w+") as output_file:
output_file.write(output)
else:
print(output)
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