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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_CLOUD_BUILD_ENDPOINT=... overrides the EndpointOption (which defaults to "cloudbuild.googleapis.com") used by MakeCloudBuildConnection().GOOGLE_CLOUD_CPP_REPOSITORY_MANAGER_ENDPOINT=... overrides the EndpointOption (which defaults to "cloudbuild.googleapis.com") used by MakeRepositoryManagerConnection().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::LoggingComponentsOptionGOOGLE_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::GrpcTracingOptionsOptionGOOGLE_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."],[[["The webpage provides documentation for various versions of the Cloud Build C++ library, ranging from version 2.11.0 up to the latest release candidate, 2.37.0-rc."],["Environment variables can be utilized to configure the library's behavior, such as overriding endpoints or enabling logging and tracing, particularly useful for troubleshooting."],["Specific environment variables like `GOOGLE_CLOUD_CPP_CLOUD_BUILD_ENDPOINT` and `GOOGLE_CLOUD_CPP_REPOSITORY_MANAGER_ENDPOINT` allow users to customize the default endpoints used by the `MakeCloudBuildConnection()` and `MakeRepositoryManagerConnection()` functions."],["Tracing for gRPC calls can be activated using `GOOGLE_CLOUD_CPP_ENABLE_TRACING=rpc`, and users can configure logging behavior via `GOOGLE_CLOUD_CPP_ENABLE_CLOG` and `GOOGLE_CLOUD_CPP_TRACING_OPTIONS`."],["The environment variable `GOOGLE_CLOUD_PROJECT` can be used in examples and integration tests to configure the GCP project, but has no effect on the library itself."]]],[]]
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