mirror of https://github.com/status-im/consul.git
92 lines
3.0 KiB
Protocol Buffer
92 lines
3.0 KiB
Protocol Buffer
syntax = "proto3";
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package hashicorp.consul.internal.peerstream;
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import "google/protobuf/any.proto";
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// TODO(peering): Handle this some other way
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import "proto/pbstatus/status.proto";
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// TODO(peering): comments
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// TODO(peering): also duplicate the pbservice, some pbpeering, and ca stuff.
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service PeerStreamService {
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// StreamResources opens an event stream for resources to share between peers, such as services.
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// Events are streamed as they happen.
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// buf:lint:ignore RPC_REQUEST_STANDARD_NAME
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// buf:lint:ignore RPC_RESPONSE_STANDARD_NAME
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// buf:lint:ignore RPC_REQUEST_RESPONSE_UNIQUE
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rpc StreamResources(stream ReplicationMessage) returns (stream ReplicationMessage);
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}
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message ReplicationMessage {
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oneof Payload {
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Request request = 1;
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Response response = 2;
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Terminated terminated = 3;
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}
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// A Request requests to subscribe to a resource of a given type.
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message Request {
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// An identifier for the peer making the request.
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// This identifier is provisioned by the serving peer prior to the request from the dialing peer.
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string PeerID = 1;
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// ResponseNonce corresponding to that of the response being ACKed or NACKed.
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// Initial subscription requests will have an empty nonce.
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// The nonce is generated and incremented by the exporting peer.
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// TODO
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string ResponseNonce = 2;
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// The type URL for the resource being requested or ACK/NACKed.
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string ResourceURL = 3;
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// The error if the previous response was not applied successfully.
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// This field is empty in the first subscription request.
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status.Status Error = 4;
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}
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// A Response contains resources corresponding to a subscription request.
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message Response {
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// Nonce identifying a response in a stream.
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string Nonce = 1;
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// The type URL of resource being returned.
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string ResourceURL = 2;
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// An identifier for the resource being returned.
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// This could be the SPIFFE ID of the service.
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string ResourceID = 3;
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// The resource being returned.
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google.protobuf.Any Resource = 4;
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// REQUIRED. The operation to be performed in relation to the resource.
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Operation operation = 5;
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}
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// Terminated is sent when a peering is deleted locally.
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// This message signals to the peer that they should clean up their local state about the peering.
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message Terminated {}
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}
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// Operation enumerates supported operations for replicated resources.
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enum Operation {
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OPERATION_UNSPECIFIED = 0;
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// UPSERT represents a create or update event.
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OPERATION_UPSERT = 1;
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// DELETE indicates the resource should be deleted.
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// In DELETE operations no Resource will be returned.
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// Deletion by an importing peer must be done with the type URL and ID.
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OPERATION_DELETE = 2;
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}
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// LeaderAddress is sent when the peering service runs on a consul node
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// that is not a leader. The node either lost leadership, or never was a leader.
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message LeaderAddress {
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// address is an ip:port best effort hint at what could be the cluster leader's address
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string address = 1;
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}
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