76 lines
2.6 KiB
Python
76 lines
2.6 KiB
Python
# -*- coding: utf-8 -*- #
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# Copyright 2017 Google LLC. All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""app logs tail command."""
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from __future__ import absolute_import
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from __future__ import division
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from __future__ import unicode_literals
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from googlecloudsdk.api_lib.app import logs_util
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from googlecloudsdk.calliope import base
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from googlecloudsdk.command_lib.app import flags
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from googlecloudsdk.command_lib.logs import stream
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from googlecloudsdk.core import log
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from googlecloudsdk.core import properties
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@base.ReleaseTracks(base.ReleaseTrack.BETA, base.ReleaseTrack.GA)
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class Tail(base.Command):
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"""Streams logs for App Engine apps."""
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detailed_help = {
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'EXAMPLES': """\
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To stream logs from a serving app, run:
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$ {command}
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To show only logs with a specific service, version, and level, run:
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$ {command} --service=s1 --version=v1 --level=warning
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To show only the logs from the request log for Standard apps, run:
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$ {command} --logs=request_log
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To show only the logs from the request log for Flex apps, run:
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$ {command} --logs=nginx.request
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"""
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}
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@staticmethod
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def Args(parser):
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"""Register flags for this command."""
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flags.SERVICE.AddToParser(parser)
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flags.VERSION.AddToParser(parser)
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flags.LEVEL.AddToParser(parser)
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flags.LOGS.AddToParser(parser)
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def Run(self, args):
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printer = logs_util.LogPrinter()
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printer.RegisterFormatter(logs_util.FormatRequestLogEntry)
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printer.RegisterFormatter(logs_util.FormatNginxLogEntry)
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printer.RegisterFormatter(logs_util.FormatAppEntry)
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project = properties.VALUES.core.project.Get(required=True)
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filters = logs_util.GetFilters(project, args.logs, args.service,
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args.version, args.level)
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log.status.Print('Waiting for new log entries...')
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log_fetcher = stream.LogFetcher(filters=filters,
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polling_interval=1,
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num_prev_entries=100)
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for log_entry in log_fetcher.YieldLogs():
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log.out.Print(printer.Format(log_entry))
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