7601f40bf8
When a node joins an existing cluster, it will ask a node that already belongs to the cluster about which topology operations to use when joining.
70 lines
1.6 KiB
C++
70 lines
1.6 KiB
C++
/*
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* Copyright 2023-present ScyllaDB
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*/
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/*
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* SPDX-License-Identifier: AGPL-3.0-or-later
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*/
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namespace service {
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struct join_node_query_params {};
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struct join_node_query_result {
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enum class topology_mode : uint8_t {
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legacy = 0,
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raft = 1,
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};
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service::join_node_query_result::topology_mode topo_mode;
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};
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struct join_node_request_params {
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raft::server_id host_id;
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std::optional<raft::server_id> replaced_id;
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std::vector<sstring> ignore_nodes;
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sstring cluster_name;
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sstring snitch_name;
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sstring datacenter;
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sstring rack;
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sstring release_version;
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uint32_t num_tokens;
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uint32_t shard_count;
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uint32_t ignore_msb;
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std::vector<sstring> supported_features;
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utils::UUID request_id;
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};
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struct join_node_request_result {
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struct ok {};
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struct rejected {
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sstring reason;
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};
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std::variant<
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service::join_node_request_result::ok,
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service::join_node_request_result::rejected
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> result;
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};
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struct join_node_response_params {
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struct accepted {};
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struct rejected {
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sstring reason;
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};
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std::variant<
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service::join_node_response_params::accepted,
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service::join_node_response_params::rejected
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> response;
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};
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struct join_node_response_result {};
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verb join_node_query (raft::server_id dst_id, service::join_node_query_params) -> service::join_node_query_result;
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verb join_node_request (raft::server_id dst_id, service::join_node_request_params) -> service::join_node_request_result;
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verb join_node_response (raft::server_id dst_id, service::join_node_response_params) -> service::join_node_response_result;
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}
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