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Unless otherwise configured, the client libraries use Application Default Credentials to authenticate with Google Cloud Services. While this works for most applications, in some cases you may need to override this default. You can do so by providing the UnifiedCredentialsOption The following example shows how to explicitly load a service account key file:
[](std::string const& keyfile){ auto is = std::ifstream(keyfile); is.exceptions(std::ios::badbit);// Minimal error handling in examples auto contents = std::string(std::istreambuf_iterator<char>(is.rdbuf()),{}); auto options = google::cloud::Options{}.set<google::cloud::UnifiedCredentialsOption>( google::cloud::MakeServiceAccountCredentials(contents)); return google::cloud::vmwareengine_v1::VmwareEngineClient( google::cloud::vmwareengine_v1::MakeVmwareEngineConnection(options)); }
[[["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 2025-03-14 UTC."],[[["This page lists the available versions of the VMware Engine client library, ranging from version 2.11.0 up to the latest release candidate, 2.37.0-rc."],["The latest production-ready version is 2.36.0, followed by a series of previous versions that users may need to reference or use."],["The client libraries use Application Default Credentials for authentication with Google Cloud Services unless a user explicitly sets up a different method."],["Users can override default authentication by using `UnifiedCredentialsOption`, as demonstrated by loading a service account key file directly."],["The page also provides links to additional resources for authentication components and best practices for managing service account keys, offering guidance on credential management."]]],[]]