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  1. Core Server
  2. SERVER-67293

Allow struct-type cluster parameters to have required fields

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    • Type: Icon: Bug Bug
    • Resolution: Won't Do
    • Priority: Icon: Major - P3 Major - P3
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    • Affects Version/s: None
    • Component/s: None
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    • Server Security
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      Currently, this is possible by omitting the default-value specification for the required field:

      structs:
  ExampleClusterParameterStructValueType:
    inline_chained_structs: true
    chained_structs:
      ClusterServerParameter: clusterServerParameter
    fields:
      enabled: # <-- required field
        type: bool
      expireAfterSeconds: # <-- optional field
        type: safeInt64
        default: 0

      This mechanism however, requires parameter initialisation prior getClusterParameter or setClusterParameter is called. Currently, the initialisation can be specified inside the IDL, but it requires non-constexpr initialiser-function for struct types.

      server_parameters:
  someClusterParam:
    set_at: cluster
    cpp_vartype: ExampleClusterParameterStructValueType
    cpp_varname: gSomeClusterParam
    default:
      expr: getSomeClusterParamDefault() # <-- initialiser function
      is_constexpr: false

      The same should be possible with serverless / multi-tenancy, preferably with constexpr initialiser.

            Assignee:
            backlog-server-security [DO NOT USE] Backlog - Security Team
            Reporter:
            romans.kasperovics@mongodb.com Romans Kasperovics
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              Created:
              Updated:
              Resolved: