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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_ALERT_POLICY_SERVICE_ENDPOINT=...
overrides the EndpointOption
(which defaults to "monitoring.googleapis.com") used by MakeAlertPolicyServiceConnection()
.GOOGLE_CLOUD_CPP_DASHBOARDS_SERVICE_ENDPOINT=...
overrides the EndpointOption
(which defaults to "monitoring.googleapis.com") used by MakeDashboardsServiceConnection()
.GOOGLE_CLOUD_CPP_GROUP_SERVICE_ENDPOINT=...
overrides the EndpointOption
(which defaults to "monitoring.googleapis.com") used by MakeGroupServiceConnection()
.GOOGLE_CLOUD_CPP_METRICS_SCOPES_ENDPOINT=...
overrides the EndpointOption
(which defaults to "monitoring.googleapis.com") used by MakeMetricsScopesConnection()
.GOOGLE_CLOUD_CPP_METRIC_SERVICE_ENDPOINT=...
overrides the EndpointOption
(which defaults to "monitoring.googleapis.com") used by MakeMetricServiceConnection()
.GOOGLE_CLOUD_CPP_NOTIFICATION_CHANNEL_SERVICE_ENDPOINT=...
overrides the EndpointOption
(which defaults to "monitoring.googleapis.com") used by MakeNotificationChannelServiceConnection()
.GOOGLE_CLOUD_CPP_QUERY_SERVICE_ENDPOINT=...
overrides the EndpointOption
(which defaults to "monitoring.googleapis.com") used by MakeQueryServiceConnection()
.GOOGLE_CLOUD_CPP_SERVICE_MONITORING_SERVICE_ENDPOINT=...
overrides the EndpointOption
(which defaults to "monitoring.googleapis.com") used by MakeServiceMonitoringServiceConnection()
.GOOGLE_CLOUD_CPP_SNOOZE_SERVICE_ENDPOINT=...
overrides the EndpointOption
(which defaults to "monitoring.googleapis.com") used by MakeSnoozeServiceConnection()
.GOOGLE_CLOUD_CPP_UPTIME_CHECK_SERVICE_ENDPOINT=...
overrides the EndpointOption
(which defaults to "monitoring.googleapis.com") used by MakeUptimeCheckServiceConnection()
.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::TracingComponentsOption
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 details environment variables for configuring the behavior of the C++ monitoring library, with the latest release candidate version being 2.37.0-rc."],["A variety of endpoint overrides are available to specify custom endpoints for services such as Alert Policy, Dashboards, Group, Metrics Scopes, Metric, Notification Channel, Query, Service Monitoring, Snooze, and Uptime Check services, by utilizing `GOOGLE_CLOUD_CPP_*_ENDPOINT` environment variables."],["The library provides options for enabling tracing and logging, which can be activated via the `GOOGLE_CLOUD_CPP_ENABLE_TRACING` and `GOOGLE_CLOUD_CPP_ENABLE_CLOG` environment variables, respectively, with additional options available to control the behavior of the tracing."],["There are many versions of this documentation available for usage, ranging from version 2.11.0 all the way up to 2.37.0-rc, all of which can be accessed through the provided links."]]],[]]
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