http: error if near is used with streaming
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@ -219,12 +219,13 @@ func (s *HTTPHandlers) healthServiceNodes(resp http.ResponseWriter, req *http.Re
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return nil, nil
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}
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// useStreaming when a blocking query is requested, but not when the near
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// query parameter is set, because that requires data only available to the server
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// to sort the results.
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useStreaming := s.agent.config.UseStreamingBackend && args.MinQueryIndex > 0 && args.Source.Node == ""
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useStreaming := s.agent.config.UseStreamingBackend && args.MinQueryIndex > 0
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args.QueryOptions.UseCache = s.agent.config.HTTPUseCache && (args.QueryOptions.UseCache || useStreaming)
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if args.QueryOptions.UseCache && useStreaming && args.Source.Node != "" {
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return nil, BadRequestError{Reason: "'near' query param can not be used with streaming"}
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}
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out, md, err := s.agent.rpcClientHealth.ServiceNodes(req.Context(), args)
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if err != nil {
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return nil, err
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@ -232,7 +232,9 @@ The table below shows this endpoint's support for
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- `near` `(string: "")` - Specifies a node name to sort the node list in
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ascending order based on the estimated round trip time from that node. Passing
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`?near=_agent` will use the agent's node for the sort. This is specified as
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part of the URL as a query parameter.
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part of the URL as a query parameter. **Note** that `near` can not be used if
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[`use_streaming_backend`](/docs/agent/options#use_streaming_backend)
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is enabled, because the data is not available to sort the results.
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- `tag` `(string: "")` **Deprecated** - Use `filter` with the `Service.Tags` selector instead.
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This parameter will be removed in a future version of Consul.
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