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A number of environment variables can be used to configure the behavior of the library. There are also functions to configure this behavior in code. The environment variables are convenient when troubleshooting problems.
Endpoint OverridesGOOGLE_CLOUD_CPP_CONFIDENTIAL_COMPUTING_ENDPOINT=...
overrides the EndpointOption
(which defaults to "confidentialcomputing.googleapis.com") used by MakeConfidentialComputingConnection()
.GOOGLE_CLOUD_CPP_ENABLE_TRACING=rpc
: turns on tracing for most gRPC calls. The library injects an additional Stub decorator that prints each gRPC request and response. Unless you have configured your own logging backend, you should also set GOOGLE_CLOUD_CPP_ENABLE_CLOG
to produce any output on the program's console.
google::cloud::LoggingComponentsOption
GOOGLE_CLOUD_CPP_TRACING_OPTIONS=...
: modifies the behavior of gRPC tracing, including whether messages will be output on multiple lines, or whether string/bytes fields will be truncated.
google::cloud::GrpcTracingOptionsOption
GOOGLE_CLOUD_CPP_ENABLE_CLOG=yes
: turns on logging in the library, basically the library always "logs" but the logging infrastructure has no backend to actually print anything until the application sets a backend or they set this environment variable.
GOOGLE_CLOUD_PROJECT=...
: is used in examples and integration tests to configure the GCP project. This has no effect in the library.
Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 4.0 License, and code samples are licensed under the Apache 2.0 License. For details, see the Google Developers Site Policies. Java is a registered trademark of Oracle and/or its affiliates.
Last updated 2025-08-14 UTC.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-14 UTC."],[[["This document provides reference information for configuring the behavior of the Confidential Computing C++ library using environment variables, and the latest version available is 2.37.0-rc."],["The `GOOGLE_CLOUD_CPP_CONFIDENTIAL_COMPUTING_ENDPOINT` environment variable can override the default endpoint used by `MakeConfidentialComputingConnection()`."],["The library supports gRPC tracing, which can be enabled by setting `GOOGLE_CLOUD_CPP_ENABLE_TRACING=rpc`, and detailed tracing options can be modified via `GOOGLE_CLOUD_CPP_TRACING_OPTIONS`."],["Logging can be enabled by setting `GOOGLE_CLOUD_CPP_ENABLE_CLOG=yes`, allowing the library's logging infrastructure to output information to the program's console."],["The `GOOGLE_CLOUD_PROJECT` environment variable can be used to configure the GCP project in examples and tests but does not have an effect on the library."]]],[]]
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