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 webpage provides documentation for the Google Cloud GKE Hub C++ client library, specifically for version 2.27.0.\u003c/p\u003e\n"],["\u003cp\u003eThe documentation includes a list of available versions, ranging from 2.37.0-rc (latest) down to 2.11.0, with links to the corresponding documentation for each version.\u003c/p\u003e\n"],["\u003cp\u003eIt describes several classes, such as \u003ccode\u003eGkeHubClient\u003c/code\u003e and \u003ccode\u003eGkeHubConnection\u003c/code\u003e, that are used for managing Kubernetes clusters with Google Cloud's GKE Hub service, alongside retry policies and options for client configuration.\u003c/p\u003e\n"],["\u003cp\u003eThe page also documents the function \u003ccode\u003eMakeGkeHubConnection\u003c/code\u003e, which creates a \u003ccode\u003eGkeHubConnection\u003c/code\u003e object and allows configuration of connection aspects through various options, including common, gRPC, unified credentials, and GkeHub-specific options.\u003c/p\u003e\n"],["\u003cp\u003eAnother function covered is the \u003ccode\u003eMakeDefaultGkeHubConnectionIdempotencyPolicy\u003c/code\u003e to create an object of the GkeHubConnectionIdempotencyPolicy.\u003c/p\u003e\n"]]],[],null,["# Namespace google::cloud::gkehub_v1 (2.27.0)\n\nVersion 2.27.0keyboard_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/2.27.0/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/2.27.0/classgoogle_1_1cloud_1_1gkehub__v1_1_1GkeHubConnection)\n\nThe [`GkeHubConnection`](/cpp/docs/reference/gkehub/2.27.0/classgoogle_1_1cloud_1_1gkehub__v1_1_1GkeHubConnection) object for [`GkeHubClient`](/cpp/docs/reference/gkehub/2.27.0/classgoogle_1_1cloud_1_1gkehub__v1_1_1GkeHubClient).\n\n### [GkeHubConnectionIdempotencyPolicy](/cpp/docs/reference/gkehub/2.27.0/classgoogle_1_1cloud_1_1gkehub__v1_1_1GkeHubConnectionIdempotencyPolicy)\n\n### [GkeHubLimitedErrorCountRetryPolicy](/cpp/docs/reference/gkehub/2.27.0/classgoogle_1_1cloud_1_1gkehub__v1_1_1GkeHubLimitedErrorCountRetryPolicy)\n\nA retry policy for [`GkeHubConnection`](/cpp/docs/reference/gkehub/2.27.0/classgoogle_1_1cloud_1_1gkehub__v1_1_1GkeHubConnection) based on counting errors.\n\n### [GkeHubLimitedTimeRetryPolicy](/cpp/docs/reference/gkehub/2.27.0/classgoogle_1_1cloud_1_1gkehub__v1_1_1GkeHubLimitedTimeRetryPolicy)\n\nA retry policy for [`GkeHubConnection`](/cpp/docs/reference/gkehub/2.27.0/classgoogle_1_1cloud_1_1gkehub__v1_1_1GkeHubConnection) based on elapsed time.\n\n### [GkeHubRetryPolicy](/cpp/docs/reference/gkehub/2.27.0/classgoogle_1_1cloud_1_1gkehub__v1_1_1GkeHubRetryPolicy)\n\nThe retry policy for [`GkeHubConnection`](/cpp/docs/reference/gkehub/2.27.0/classgoogle_1_1cloud_1_1gkehub__v1_1_1GkeHubConnection).\n\nStructs\n-------\n\n### [GkeHubBackoffPolicyOption](/cpp/docs/reference/gkehub/2.27.0/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/2.27.0/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/2.27.0/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/2.27.0/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/2.27.0/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/2.27.0/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/2.27.0/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`](about:invalid#zCSafez)\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()"]]