The GKE Hub service handles the registration of many Kubernetes clusters to Google Cloud, and the management of multi-cluster features over those clusters.
A factory function to construct an object of typeGkeHubConnection.
The returned connection object should not be used directly; instead it should be passed as an argument to the constructor ofGkeHubClient.
The optionaloptionsargument may be used to configure aspects of the returnedGkeHubConnection. Expected options are any of the types in the following option lists:
[[["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 2025-09-04 UTC."],[[["\u003cp\u003eThis document provides reference information for the Google Cloud GKE Hub C++ client library, focusing on version 2.15.1, while also listing previous versions dating back to 2.11.0, including 2.37.0-rc as the latest release candidate.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eGkeHubClient\u003c/code\u003e class handles the registration and management of multiple Kubernetes clusters within Google Cloud, enabling multi-cluster features.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eGkeHubConnection\u003c/code\u003e class is a key object for \u003ccode\u003eGkeHubClient\u003c/code\u003e, with other associated classes like \u003ccode\u003eGkeHubConnectionIdempotencyPolicy\u003c/code\u003e, \u003ccode\u003eGkeHubLimitedErrorCountRetryPolicy\u003c/code\u003e, \u003ccode\u003eGkeHubLimitedTimeRetryPolicy\u003c/code\u003e, and \u003ccode\u003eGkeHubRetryPolicy\u003c/code\u003e managing retries and connections.\u003c/p\u003e\n"],["\u003cp\u003eThe document details several structs such as \u003ccode\u003eGkeHubBackoffPolicyOption\u003c/code\u003e, \u003ccode\u003eGkeHubConnectionIdempotencyPolicyOption\u003c/code\u003e, \u003ccode\u003eGkeHubPollingPolicyOption\u003c/code\u003e, and \u003ccode\u003eGkeHubRetryPolicyOption\u003c/code\u003e for configuring various aspects of the GKE Hub functionality.\u003c/p\u003e\n"],["\u003cp\u003eThe functions \u003ccode\u003eMakeGkeHubConnection\u003c/code\u003e and \u003ccode\u003eMakeDefaultGkeHubConnectionIdempotencyPolicy\u003c/code\u003e are listed, which create connection objects and default connection policies, respectively, with \u003ccode\u003eMakeGkeHubConnection\u003c/code\u003e allowing for configuration through various option lists like \u003ccode\u003eCommonOptionList\u003c/code\u003e, \u003ccode\u003eGrpcOptionList\u003c/code\u003e, \u003ccode\u003eUnifiedCredentialsOptionList\u003c/code\u003e, and \u003ccode\u003eGkeHubPolicyOptionList\u003c/code\u003e.\u003c/p\u003e\n"]]],[],null,["# Namespace google::cloud::gkehub_v1 (2.15.1)\n\nVersion 2.15.1keyboard_arrow_down\n\n- [2.42.0-rc (latest)](/cpp/docs/reference/gkehub/latest/namespacegoogle_1_1cloud_1_1gkehub__v1)\n- [2.41.0](/cpp/docs/reference/gkehub/2.41.0/namespacegoogle_1_1cloud_1_1gkehub__v1)\n- [2.40.0](/cpp/docs/reference/gkehub/2.40.0/namespacegoogle_1_1cloud_1_1gkehub__v1)\n- [2.39.0](/cpp/docs/reference/gkehub/2.39.0/namespacegoogle_1_1cloud_1_1gkehub__v1)\n- [2.38.0](/cpp/docs/reference/gkehub/2.38.0/namespacegoogle_1_1cloud_1_1gkehub__v1)\n- [2.37.0](/cpp/docs/reference/gkehub/2.37.0/namespacegoogle_1_1cloud_1_1gkehub__v1)\n- [2.36.0](/cpp/docs/reference/gkehub/2.36.0/namespacegoogle_1_1cloud_1_1gkehub__v1)\n- [2.35.0](/cpp/docs/reference/gkehub/2.35.0/namespacegoogle_1_1cloud_1_1gkehub__v1)\n- [2.34.0](/cpp/docs/reference/gkehub/2.34.0/namespacegoogle_1_1cloud_1_1gkehub__v1)\n- [2.33.0](/cpp/docs/reference/gkehub/2.33.0/namespacegoogle_1_1cloud_1_1gkehub__v1)\n- [2.32.0](/cpp/docs/reference/gkehub/2.32.0/namespacegoogle_1_1cloud_1_1gkehub__v1)\n- [2.31.0](/cpp/docs/reference/gkehub/2.31.0/namespacegoogle_1_1cloud_1_1gkehub__v1)\n- [2.30.0](/cpp/docs/reference/gkehub/2.30.0/namespacegoogle_1_1cloud_1_1gkehub__v1)\n- [2.29.0](/cpp/docs/reference/gkehub/2.29.0/namespacegoogle_1_1cloud_1_1gkehub__v1)\n- [2.28.0](/cpp/docs/reference/gkehub/2.28.0/namespacegoogle_1_1cloud_1_1gkehub__v1)\n- [2.27.0](/cpp/docs/reference/gkehub/2.27.0/namespacegoogle_1_1cloud_1_1gkehub__v1)\n- [2.26.0](/cpp/docs/reference/gkehub/2.26.0/namespacegoogle_1_1cloud_1_1gkehub__v1)\n- [2.25.1](/cpp/docs/reference/gkehub/2.25.1/namespacegoogle_1_1cloud_1_1gkehub__v1)\n- [2.24.0](/cpp/docs/reference/gkehub/2.24.0/namespacegoogle_1_1cloud_1_1gkehub__v1)\n- [2.23.0](/cpp/docs/reference/gkehub/2.23.0/namespacegoogle_1_1cloud_1_1gkehub__v1)\n- [2.22.1](/cpp/docs/reference/gkehub/2.22.1/namespacegoogle_1_1cloud_1_1gkehub__v1)\n- [2.21.0](/cpp/docs/reference/gkehub/2.21.0/namespacegoogle_1_1cloud_1_1gkehub__v1)\n- [2.20.0](/cpp/docs/reference/gkehub/2.20.0/namespacegoogle_1_1cloud_1_1gkehub__v1)\n- [2.19.0](/cpp/docs/reference/gkehub/2.19.0/namespacegoogle_1_1cloud_1_1gkehub__v1)\n- [2.18.0](/cpp/docs/reference/gkehub/2.18.0/namespacegoogle_1_1cloud_1_1gkehub__v1)\n- [2.17.0](/cpp/docs/reference/gkehub/2.17.0/namespacegoogle_1_1cloud_1_1gkehub__v1)\n- [2.16.0](/cpp/docs/reference/gkehub/2.16.0/namespacegoogle_1_1cloud_1_1gkehub__v1)\n- [2.15.1](/cpp/docs/reference/gkehub/2.15.1/namespacegoogle_1_1cloud_1_1gkehub__v1)\n- [2.14.0](/cpp/docs/reference/gkehub/2.14.0/namespacegoogle_1_1cloud_1_1gkehub__v1)\n- [2.13.0](/cpp/docs/reference/gkehub/2.13.0/namespacegoogle_1_1cloud_1_1gkehub__v1)\n- [2.12.0](/cpp/docs/reference/gkehub/2.12.0/namespacegoogle_1_1cloud_1_1gkehub__v1)\n- [2.11.0](/cpp/docs/reference/gkehub/2.11.0/namespacegoogle_1_1cloud_1_1gkehub__v1) \n\nClasses\n-------\n\n### [GkeHubClient](/cpp/docs/reference/gkehub/2.15.1/classgoogle_1_1cloud_1_1gkehub__v1_1_1GkeHubClient)\n\nThe GKE Hub service handles the registration of many Kubernetes clusters to Google Cloud, and the management of multi-cluster features over those clusters.\n\n### [GkeHubConnection](/cpp/docs/reference/gkehub/2.15.1/classgoogle_1_1cloud_1_1gkehub__v1_1_1GkeHubConnection)\n\nThe [`GkeHubConnection`](/cpp/docs/reference/gkehub/2.15.1/classgoogle_1_1cloud_1_1gkehub__v1_1_1GkeHubConnection) object for [`GkeHubClient`](/cpp/docs/reference/gkehub/2.15.1/classgoogle_1_1cloud_1_1gkehub__v1_1_1GkeHubClient).\n\n### [GkeHubConnectionIdempotencyPolicy](/cpp/docs/reference/gkehub/2.15.1/classgoogle_1_1cloud_1_1gkehub__v1_1_1GkeHubConnectionIdempotencyPolicy)\n\n### [GkeHubLimitedErrorCountRetryPolicy](/cpp/docs/reference/gkehub/2.15.1/classgoogle_1_1cloud_1_1gkehub__v1_1_1GkeHubLimitedErrorCountRetryPolicy)\n\nA retry policy for [`GkeHubConnection`](/cpp/docs/reference/gkehub/2.15.1/classgoogle_1_1cloud_1_1gkehub__v1_1_1GkeHubConnection) based on counting errors.\n\n### [GkeHubLimitedTimeRetryPolicy](/cpp/docs/reference/gkehub/2.15.1/classgoogle_1_1cloud_1_1gkehub__v1_1_1GkeHubLimitedTimeRetryPolicy)\n\nA retry policy for [`GkeHubConnection`](/cpp/docs/reference/gkehub/2.15.1/classgoogle_1_1cloud_1_1gkehub__v1_1_1GkeHubConnection) based on elapsed time.\n\n### [GkeHubRetryPolicy](/cpp/docs/reference/gkehub/2.15.1/classgoogle_1_1cloud_1_1gkehub__v1_1_1GkeHubRetryPolicy)\n\nThe retry policy for [`GkeHubConnection`](/cpp/docs/reference/gkehub/2.15.1/classgoogle_1_1cloud_1_1gkehub__v1_1_1GkeHubConnection).\n\nStructs\n-------\n\n### [GkeHubBackoffPolicyOption](/cpp/docs/reference/gkehub/2.15.1/structgoogle_1_1cloud_1_1gkehub__v1_1_1GkeHubBackoffPolicyOption)\n\nUse with [`google::cloud::Options`](https://cloud.google.com/cpp/docs/reference/common/latest/classgoogle_1_1cloud_1_1Options.html) to configure the backoff policy.\n\n### [GkeHubConnectionIdempotencyPolicyOption](/cpp/docs/reference/gkehub/2.15.1/structgoogle_1_1cloud_1_1gkehub__v1_1_1GkeHubConnectionIdempotencyPolicyOption)\n\nUse with [`google::cloud::Options`](https://cloud.google.com/cpp/docs/reference/common/latest/classgoogle_1_1cloud_1_1Options.html) to configure which operations are retried.\n\n### [GkeHubPollingPolicyOption](/cpp/docs/reference/gkehub/2.15.1/structgoogle_1_1cloud_1_1gkehub__v1_1_1GkeHubPollingPolicyOption)\n\nUse with [`google::cloud::Options`](https://cloud.google.com/cpp/docs/reference/common/latest/classgoogle_1_1cloud_1_1Options.html) to configure the long-running operations polling policy.\n\n### [GkeHubRetryPolicyOption](/cpp/docs/reference/gkehub/2.15.1/structgoogle_1_1cloud_1_1gkehub__v1_1_1GkeHubRetryPolicyOption)\n\nUse with [`google::cloud::Options`](https://cloud.google.com/cpp/docs/reference/common/latest/classgoogle_1_1cloud_1_1Options.html) to configure the retry policy.\n\nFunctions\n---------\n\n### MakeGkeHubConnection(Options)\n\nA factory function to construct an object of type [`GkeHubConnection`](/cpp/docs/reference/gkehub/2.15.1/classgoogle_1_1cloud_1_1gkehub__v1_1_1GkeHubConnection). \nThe returned connection object should not be used directly; instead it should be passed as an argument to the constructor of [GkeHubClient](/cpp/docs/reference/gkehub/2.15.1/classgoogle_1_1cloud_1_1gkehub__v1_1_1GkeHubClient).\n\nThe optional `options` argument may be used to configure aspects of the returned [`GkeHubConnection`](/cpp/docs/reference/gkehub/2.15.1/classgoogle_1_1cloud_1_1gkehub__v1_1_1GkeHubConnection). Expected options are any of the types in the following option lists:\n\n- [`google::cloud::CommonOptionList`](https://cloud.google.com/cpp/docs/reference/common/latest/namespacegoogle_1_1cloud.html)\n- [`google::cloud::GrpcOptionList`](https://cloud.google.com/cpp/docs/reference/common/latest/namespacegoogle_1_1cloud.html)\n- [`google::cloud::UnifiedCredentialsOptionList`](https://cloud.google.com/cpp/docs/reference/common/latest/namespacegoogle_1_1cloud.html)\n- [`google::cloud::gkehub_v1::GkeHubPolicyOptionList`](/cpp/docs/reference/gkehub/2.15.1/namespacegoogle_1_1cloud_1_1gkehub__v1)\n\n| **Note:** Unexpected options will be ignored. To log unexpected options instead, set `GOOGLE_CLOUD_CPP_ENABLE_CLOG=yes` in the environment.\n\n### MakeDefaultGkeHubConnectionIdempotencyPolicy()\n\nType Aliases\n------------\n\n### GkeHubPolicyOptionList\n\n**Alias Of** : `OptionList\u003c GkeHubRetryPolicyOption, GkeHubBackoffPolicyOption, GkeHubPollingPolicyOption, GkeHubConnectionIdempotencyPolicyOption \u003e` \nThe options applicable to GkeHub."]]