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 Overrides
GOOGLE_CLOUD_CPP_RESOURCE_SETTINGS_SERVICE_ENDPOINT=... overrides the EndpointOption (which defaults to "resourcesettings.googleapis.com") used by MakeResourceSettingsServiceConnection().
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.
See Also
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.
See Also
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.
[[["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 2025-03-21 UTC."],[[["This document provides a comprehensive list of available versions for the Resource Settings documentation, ranging from the latest release candidate, 2.37.0-rc, down to version 2.11.0."],["Environment variables are detailed for configuring the library's behavior, useful for troubleshooting and can be set instead of configuring in code."],["The document describes how to override the default endpoint used by `MakeResourceSettingsServiceConnection()` through the `GOOGLE_CLOUD_CPP_RESOURCE_SETTINGS_SERVICE_ENDPOINT` environment variable."],["Logging and tracing functionalities are outlined, including how to enable gRPC tracing with `GOOGLE_CLOUD_CPP_ENABLE_TRACING` and how to activate the library's logging output with `GOOGLE_CLOUD_CPP_ENABLE_CLOG`."]]],[]]
