A factory function to construct an object of type NodeGroupsConnection that uses REST over HTTP as transport in lieu of gRPC.
REST transport should only be used for services that do not support gRPC or if the existing network configuration precludes using gRPC.
The returned connection object should not be used directly; instead it should be passed as an argument to the constructor of NodeGroupsClient.
The optional options argument may be used to configure aspects of the returned NodeGroupsConnection. 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"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-28 UTC."],[[["\u003cp\u003eThis document provides C++ reference documentation for Google Cloud Compute Node Groups, with the latest release candidate being version 2.37.0-rc.\u003c/p\u003e\n"],["\u003cp\u003eThe content covers versions ranging from 2.15.1 up to the latest release candidate, including intermediate versions such as 2.18.0.\u003c/p\u003e\n"],["\u003cp\u003eKey classes include \u003ccode\u003eNodeGroupsClient\u003c/code\u003e and \u003ccode\u003eNodeGroupsConnection\u003c/code\u003e, which are used for interacting with the node groups resource and handling network connections, respectively.\u003c/p\u003e\n"],["\u003cp\u003eThe documentation outlines various retry policies, such as \u003ccode\u003eNodeGroupsLimitedErrorCountRetryPolicy\u003c/code\u003e and \u003ccode\u003eNodeGroupsLimitedTimeRetryPolicy\u003c/code\u003e, that can be used to manage network connection failures.\u003c/p\u003e\n"],["\u003cp\u003eIt details factory function \u003ccode\u003eMakeNodeGroupsConnectionRest\u003c/code\u003e to create a connection object using Rest over HTTP, and it provides the necessary options to configure the connection.\u003c/p\u003e\n"]]],[],null,["# Namespace google::cloud::compute_node_groups_v1 (2.18.0)\n\nVersion 2.18.0keyboard_arrow_down\n\n- [2.42.0-rc (latest)](/cpp/docs/reference/compute/latest/namespacegoogle_1_1cloud_1_1compute__node__groups__v1)\n- [2.41.0](/cpp/docs/reference/compute/2.41.0/namespacegoogle_1_1cloud_1_1compute__node__groups__v1)\n- [2.40.0](/cpp/docs/reference/compute/2.40.0/namespacegoogle_1_1cloud_1_1compute__node__groups__v1)\n- [2.39.0](/cpp/docs/reference/compute/2.39.0/namespacegoogle_1_1cloud_1_1compute__node__groups__v1)\n- [2.38.0](/cpp/docs/reference/compute/2.38.0/namespacegoogle_1_1cloud_1_1compute__node__groups__v1)\n- [2.37.0](/cpp/docs/reference/compute/2.37.0/namespacegoogle_1_1cloud_1_1compute__node__groups__v1)\n- [2.36.0](/cpp/docs/reference/compute/2.36.0/namespacegoogle_1_1cloud_1_1compute__node__groups__v1)\n- [2.35.0](/cpp/docs/reference/compute/2.35.0/namespacegoogle_1_1cloud_1_1compute__node__groups__v1)\n- [2.34.0](/cpp/docs/reference/compute/2.34.0/namespacegoogle_1_1cloud_1_1compute__node__groups__v1)\n- [2.33.0](/cpp/docs/reference/compute/2.33.0/namespacegoogle_1_1cloud_1_1compute__node__groups__v1)\n- [2.32.0](/cpp/docs/reference/compute/2.32.0/namespacegoogle_1_1cloud_1_1compute__node__groups__v1)\n- [2.31.0](/cpp/docs/reference/compute/2.31.0/namespacegoogle_1_1cloud_1_1compute__node__groups__v1)\n- [2.30.0](/cpp/docs/reference/compute/2.30.0/namespacegoogle_1_1cloud_1_1compute__node__groups__v1)\n- [2.29.0](/cpp/docs/reference/compute/2.29.0/namespacegoogle_1_1cloud_1_1compute__node__groups__v1)\n- [2.28.0](/cpp/docs/reference/compute/2.28.0/namespacegoogle_1_1cloud_1_1compute__node__groups__v1)\n- [2.27.0](/cpp/docs/reference/compute/2.27.0/namespacegoogle_1_1cloud_1_1compute__node__groups__v1)\n- [2.26.0](/cpp/docs/reference/compute/2.26.0/namespacegoogle_1_1cloud_1_1compute__node__groups__v1)\n- [2.25.1](/cpp/docs/reference/compute/2.25.1/namespacegoogle_1_1cloud_1_1compute__node__groups__v1)\n- [2.24.0](/cpp/docs/reference/compute/2.24.0/namespacegoogle_1_1cloud_1_1compute__node__groups__v1)\n- [2.23.0](/cpp/docs/reference/compute/2.23.0/namespacegoogle_1_1cloud_1_1compute__node__groups__v1)\n- [2.22.1](/cpp/docs/reference/compute/2.22.1/namespacegoogle_1_1cloud_1_1compute__node__groups__v1)\n- [2.21.0](/cpp/docs/reference/compute/2.21.0/namespacegoogle_1_1cloud_1_1compute__node__groups__v1)\n- [2.20.0](/cpp/docs/reference/compute/2.20.0/namespacegoogle_1_1cloud_1_1compute__node__groups__v1)\n- [2.19.0](/cpp/docs/reference/compute/2.19.0/namespacegoogle_1_1cloud_1_1compute__node__groups__v1)\n- [2.18.0](/cpp/docs/reference/compute/2.18.0/namespacegoogle_1_1cloud_1_1compute__node__groups__v1)\n- [2.17.0](/cpp/docs/reference/compute/2.17.0/namespacegoogle_1_1cloud_1_1compute__node__groups__v1)\n- [2.16.0](/cpp/docs/reference/compute/2.16.0/namespacegoogle_1_1cloud_1_1compute__node__groups__v1)\n- [2.15.1](/cpp/docs/reference/compute/2.15.1/namespacegoogle_1_1cloud_1_1compute__node__groups__v1) \n\nClasses\n-------\n\n### [NodeGroupsClient](/cpp/docs/reference/compute/2.18.0/classgoogle_1_1cloud_1_1compute__node__groups__v1_1_1NodeGroupsClient)\n\nService for the nodeGroups resource.\n\n### [NodeGroupsConnection](/cpp/docs/reference/compute/2.18.0/classgoogle_1_1cloud_1_1compute__node__groups__v1_1_1NodeGroupsConnection)\n\nThe [`NodeGroupsConnection`](/cpp/docs/reference/compute/2.18.0/classgoogle_1_1cloud_1_1compute__node__groups__v1_1_1NodeGroupsConnection) object for [`NodeGroupsClient`](/cpp/docs/reference/compute/2.18.0/classgoogle_1_1cloud_1_1compute__node__groups__v1_1_1NodeGroupsClient).\n\n### [NodeGroupsConnectionIdempotencyPolicy](/cpp/docs/reference/compute/2.18.0/classgoogle_1_1cloud_1_1compute__node__groups__v1_1_1NodeGroupsConnectionIdempotencyPolicy)\n\n### [NodeGroupsLimitedErrorCountRetryPolicy](/cpp/docs/reference/compute/2.18.0/classgoogle_1_1cloud_1_1compute__node__groups__v1_1_1NodeGroupsLimitedErrorCountRetryPolicy)\n\nA retry policy for [`NodeGroupsConnection`](/cpp/docs/reference/compute/2.18.0/classgoogle_1_1cloud_1_1compute__node__groups__v1_1_1NodeGroupsConnection) based on counting errors.\n\n### [NodeGroupsLimitedTimeRetryPolicy](/cpp/docs/reference/compute/2.18.0/classgoogle_1_1cloud_1_1compute__node__groups__v1_1_1NodeGroupsLimitedTimeRetryPolicy)\n\nA retry policy for [`NodeGroupsConnection`](/cpp/docs/reference/compute/2.18.0/classgoogle_1_1cloud_1_1compute__node__groups__v1_1_1NodeGroupsConnection) based on elapsed time.\n\n### [NodeGroupsRetryPolicy](/cpp/docs/reference/compute/2.18.0/classgoogle_1_1cloud_1_1compute__node__groups__v1_1_1NodeGroupsRetryPolicy)\n\nThe retry policy for [`NodeGroupsConnection`](/cpp/docs/reference/compute/2.18.0/classgoogle_1_1cloud_1_1compute__node__groups__v1_1_1NodeGroupsConnection).\n\nStructs\n-------\n\n### [NodeGroupsBackoffPolicyOption](/cpp/docs/reference/compute/2.18.0/structgoogle_1_1cloud_1_1compute__node__groups__v1_1_1NodeGroupsBackoffPolicyOption)\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### [NodeGroupsConnectionIdempotencyPolicyOption](/cpp/docs/reference/compute/2.18.0/structgoogle_1_1cloud_1_1compute__node__groups__v1_1_1NodeGroupsConnectionIdempotencyPolicyOption)\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### [NodeGroupsPollingPolicyOption](/cpp/docs/reference/compute/2.18.0/structgoogle_1_1cloud_1_1compute__node__groups__v1_1_1NodeGroupsPollingPolicyOption)\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### [NodeGroupsRetryPolicyOption](/cpp/docs/reference/compute/2.18.0/structgoogle_1_1cloud_1_1compute__node__groups__v1_1_1NodeGroupsRetryPolicyOption)\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### MakeDefaultNodeGroupsConnectionIdempotencyPolicy()\n\n### MakeNodeGroupsConnectionRest(Options)\n\nA factory function to construct an object of type [`NodeGroupsConnection`](/cpp/docs/reference/compute/2.18.0/classgoogle_1_1cloud_1_1compute__node__groups__v1_1_1NodeGroupsConnection) that uses REST over HTTP as transport in lieu of gRPC. \nREST transport should only be used for services that do not support gRPC or if the existing network configuration precludes using gRPC.\n\nThe returned connection object should not be used directly; instead it should be passed as an argument to the constructor of [NodeGroupsClient](/cpp/docs/reference/compute/2.18.0/classgoogle_1_1cloud_1_1compute__node__groups__v1_1_1NodeGroupsClient).\n\nThe optional `options` argument may be used to configure aspects of the returned [`NodeGroupsConnection`](/cpp/docs/reference/compute/2.18.0/classgoogle_1_1cloud_1_1compute__node__groups__v1_1_1NodeGroupsConnection). 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::RestOptionList`](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::compute_node_groups_v1::NodeGroupsPolicyOptionList`](/cpp/docs/reference/compute/2.18.0/namespacegoogle_1_1cloud_1_1compute__node__groups__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\nType Aliases\n------------\n\n### NodeGroupsPolicyOptionList\n\n**Alias Of** : `OptionList\u003c NodeGroupsRetryPolicyOption, NodeGroupsBackoffPolicyOption, NodeGroupsPollingPolicyOption, NodeGroupsConnectionIdempotencyPolicyOption \u003e` \nThe options applicable to NodeGroups."]]
