1# Copyright 2015 Google LLC
2#
3# Licensed under the Apache License, Version 2.0 (the "License");
4# you may not use this file except in compliance with the License.
5# You may obtain a copy of the License at
6#
7# http://www.apache.org/licenses/LICENSE-2.0
8#
9# Unless required by applicable law or agreed to in writing, software
10# distributed under the License is distributed on an "AS IS" BASIS,
11# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12# See the License for the specific language governing permissions and
13# limitations under the License.
14
15"""Comprehensive list of environment variables used in google-cloud.
16
17These enable many types of implicit behavior in both production
18and tests.
19"""
20
21GCD_DATASET = "DATASTORE_DATASET"
22"""Environment variable defining default dataset ID under GCD."""
23
24GCD_HOST = "DATASTORE_EMULATOR_HOST"
25"""Environment variable defining host for GCD dataset server."""
26
27PUBSUB_EMULATOR = "PUBSUB_EMULATOR_HOST"
28"""Environment variable defining host for Pub/Sub emulator."""
29
30BIGTABLE_EMULATOR = "BIGTABLE_EMULATOR_HOST"
31"""Environment variable defining host for Bigtable emulator."""
32
33DISABLE_GRPC = "GOOGLE_CLOUD_DISABLE_GRPC"
34"""Environment variable acting as flag to disable gRPC.
35
36To be used for APIs where both an HTTP and gRPC implementation
37exist.
38"""