89 lines
3.1 KiB
Python
89 lines
3.1 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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"""Code related to proxy and emulator configuration."""
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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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import json
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from googlecloudsdk.command_lib.emulators import datastore_util
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from googlecloudsdk.command_lib.emulators import pubsub_util
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from googlecloudsdk.core.util import files
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import six
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# This is a list of all of the emulators currently supported, for use in
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# the code pertaining to launching emulators. New emulators should be
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# included here as they are added.
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EMULATORS = {}
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for emulator in [datastore_util.DatastoreEmulator(),
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pubsub_util.PubsubEmulator()]:
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EMULATORS[emulator.service_name] = emulator
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def WriteRoutesConfig(emulators, output_file):
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"""This writes out the routes information to a file.
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The routes will be written as json in the format
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{service1: [route1, route2], service2: [route3, route4]}
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Args:
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emulators: [str], emulators to route the traffic of
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output_file: str, file to write the configuration to
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"""
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routes = {name: emulator.prefixes
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for name, emulator in six.iteritems(emulators)}
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files.WriteFileContents(output_file, json.dumps(routes, indent=2))
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# The configuration we get off the wire will be parsed and put into this object
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# This object will then help us generate the ClusterInfo objects that are
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# necessary, and other general route configuration
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class ProxyConfiguration(object):
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"""Configuration necessary to initialize the proxy."""
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def __init__(self, local_emulators, should_proxy_to_gcp, proxy_port):
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"""Initializes object.
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Args:
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local_emulators: dict, the emulators and the ports they'll listen on
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should_proxy_to_gcp: bool, whether traffic to other emulators should
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go to prod or not
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proxy_port: int, the port the proxy should bind to
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"""
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self._local_emulators = local_emulators
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self._proxy_port = proxy_port
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self._should_proxy_to_gcp = should_proxy_to_gcp
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def WriteJsonToFile(self, output_file):
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"""Writes configuration to file.
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The format will be
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{"localEmulators": {emulator1: port1, emulator2: port2},
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"proxyPort": port,
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"shouldProxyToGcp": bool}
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Args:
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output_file: str, file to write to
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"""
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data = {
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'localEmulators': self._local_emulators,
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'proxyPort': self._proxy_port,
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'shouldProxyToGcp': self._should_proxy_to_gcp,
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}
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files.WriteFileContents(output_file, json.dumps(data, indent=2))
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