google.golang.org/grpc@v1.62.1/internal/envconfig/xds.go (about)

     1  /*
     2   *
     3   * Copyright 2020 gRPC authors.
     4   *
     5   * Licensed under the Apache License, Version 2.0 (the "License");
     6   * you may not use this file except in compliance with the License.
     7   * You may obtain a copy of the License at
     8   *
     9   *     http://www.apache.org/licenses/LICENSE-2.0
    10   *
    11   * Unless required by applicable law or agreed to in writing, software
    12   * distributed under the License is distributed on an "AS IS" BASIS,
    13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    14   * See the License for the specific language governing permissions and
    15   * limitations under the License.
    16   *
    17   */
    18  
    19  package envconfig
    20  
    21  import (
    22  	"os"
    23  )
    24  
    25  const (
    26  	// XDSBootstrapFileNameEnv is the env variable to set bootstrap file name.
    27  	// Do not use this and read from env directly. Its value is read and kept in
    28  	// variable XDSBootstrapFileName.
    29  	//
    30  	// When both bootstrap FileName and FileContent are set, FileName is used.
    31  	XDSBootstrapFileNameEnv = "GRPC_XDS_BOOTSTRAP"
    32  	// XDSBootstrapFileContentEnv is the env variable to set bootstrap file
    33  	// content. Do not use this and read from env directly. Its value is read
    34  	// and kept in variable XDSBootstrapFileContent.
    35  	//
    36  	// When both bootstrap FileName and FileContent are set, FileName is used.
    37  	XDSBootstrapFileContentEnv = "GRPC_XDS_BOOTSTRAP_CONFIG"
    38  )
    39  
    40  var (
    41  	// XDSBootstrapFileName holds the name of the file which contains xDS
    42  	// bootstrap configuration. Users can specify the location of the bootstrap
    43  	// file by setting the environment variable "GRPC_XDS_BOOTSTRAP".
    44  	//
    45  	// When both bootstrap FileName and FileContent are set, FileName is used.
    46  	XDSBootstrapFileName = os.Getenv(XDSBootstrapFileNameEnv)
    47  	// XDSBootstrapFileContent holds the content of the xDS bootstrap
    48  	// configuration. Users can specify the bootstrap config by setting the
    49  	// environment variable "GRPC_XDS_BOOTSTRAP_CONFIG".
    50  	//
    51  	// When both bootstrap FileName and FileContent are set, FileName is used.
    52  	XDSBootstrapFileContent = os.Getenv(XDSBootstrapFileContentEnv)
    53  
    54  	// C2PResolverTestOnlyTrafficDirectorURI is the TD URI for testing.
    55  	C2PResolverTestOnlyTrafficDirectorURI = os.Getenv("GRPC_TEST_ONLY_GOOGLE_C2P_RESOLVER_TRAFFIC_DIRECTOR_URI")
    56  )