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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 Overrides
GOOGLE_CLOUD_CPP_EDGE_CONTAINER_ENDPOINT=... overrides the EndpointOption (which defaults to "edgecontainer.googleapis.com") used by MakeEdgeContainerConnection().
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::TracingComponentsOptionGOOGLE_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 2025-05-07 UTC."],[[["This document provides version-specific documentation for the `edgecontainer-env`, with version 2.37.0-rc being the latest and version 2.11.0 being the oldest documented here."],["Environment variables can be used to configure the behavior of the library, especially useful for troubleshooting, with options to set the endpoint override, enable tracing, enable logging, and more."],["The `GOOGLE_CLOUD_CPP_EDGE_CONTAINER_ENDPOINT` variable overrides the default endpoint used by `MakeEdgeContainerConnection()`."],["Tracing can be enabled for gRPC calls using `GOOGLE_CLOUD_CPP_ENABLE_TRACING`, and additional control over the tracing output can be configured using `GOOGLE_CLOUD_CPP_TRACING_OPTIONS`."],["`GOOGLE_CLOUD_CPP_ENABLE_CLOG` can turn on logging in the library."]]],[]]
