[VOL-2235] Mocks and interfaces for rw-core
This update consists of mocks that are used by the rw-core
during unit testing. It also includes interfaces used for unit
tests.
Change-Id: I20ca1455c358113c3aa897acc6355e0ddbc614b7
diff --git a/vendor/go.etcd.io/etcd/etcdserver/api/v3election/v3electionpb/v3election.proto b/vendor/go.etcd.io/etcd/etcdserver/api/v3election/v3electionpb/v3election.proto
new file mode 100644
index 0000000..918f39f
--- /dev/null
+++ b/vendor/go.etcd.io/etcd/etcdserver/api/v3election/v3electionpb/v3election.proto
@@ -0,0 +1,119 @@
+syntax = "proto3";
+package v3electionpb;
+
+import "gogoproto/gogo.proto";
+import "etcd/etcdserver/etcdserverpb/rpc.proto";
+import "etcd/mvcc/mvccpb/kv.proto";
+
+// for grpc-gateway
+import "google/api/annotations.proto";
+
+option (gogoproto.marshaler_all) = true;
+option (gogoproto.unmarshaler_all) = true;
+
+// The election service exposes client-side election facilities as a gRPC interface.
+service Election {
+ // Campaign waits to acquire leadership in an election, returning a LeaderKey
+ // representing the leadership if successful. The LeaderKey can then be used
+ // to issue new values on the election, transactionally guard API requests on
+ // leadership still being held, and resign from the election.
+ rpc Campaign(CampaignRequest) returns (CampaignResponse) {
+ option (google.api.http) = {
+ post: "/v3/election/campaign"
+ body: "*"
+ };
+ }
+ // Proclaim updates the leader's posted value with a new value.
+ rpc Proclaim(ProclaimRequest) returns (ProclaimResponse) {
+ option (google.api.http) = {
+ post: "/v3/election/proclaim"
+ body: "*"
+ };
+ }
+ // Leader returns the current election proclamation, if any.
+ rpc Leader(LeaderRequest) returns (LeaderResponse) {
+ option (google.api.http) = {
+ post: "/v3/election/leader"
+ body: "*"
+ };
+ }
+ // Observe streams election proclamations in-order as made by the election's
+ // elected leaders.
+ rpc Observe(LeaderRequest) returns (stream LeaderResponse) {
+ option (google.api.http) = {
+ post: "/v3/election/observe"
+ body: "*"
+ };
+ }
+ // Resign releases election leadership so other campaigners may acquire
+ // leadership on the election.
+ rpc Resign(ResignRequest) returns (ResignResponse) {
+ option (google.api.http) = {
+ post: "/v3/election/resign"
+ body: "*"
+ };
+ }
+}
+
+message CampaignRequest {
+ // name is the election's identifier for the campaign.
+ bytes name = 1;
+ // lease is the ID of the lease attached to leadership of the election. If the
+ // lease expires or is revoked before resigning leadership, then the
+ // leadership is transferred to the next campaigner, if any.
+ int64 lease = 2;
+ // value is the initial proclaimed value set when the campaigner wins the
+ // election.
+ bytes value = 3;
+}
+
+message CampaignResponse {
+ etcdserverpb.ResponseHeader header = 1;
+ // leader describes the resources used for holding leadereship of the election.
+ LeaderKey leader = 2;
+}
+
+message LeaderKey {
+ // name is the election identifier that correponds to the leadership key.
+ bytes name = 1;
+ // key is an opaque key representing the ownership of the election. If the key
+ // is deleted, then leadership is lost.
+ bytes key = 2;
+ // rev is the creation revision of the key. It can be used to test for ownership
+ // of an election during transactions by testing the key's creation revision
+ // matches rev.
+ int64 rev = 3;
+ // lease is the lease ID of the election leader.
+ int64 lease = 4;
+}
+
+message LeaderRequest {
+ // name is the election identifier for the leadership information.
+ bytes name = 1;
+}
+
+message LeaderResponse {
+ etcdserverpb.ResponseHeader header = 1;
+ // kv is the key-value pair representing the latest leader update.
+ mvccpb.KeyValue kv = 2;
+}
+
+message ResignRequest {
+ // leader is the leadership to relinquish by resignation.
+ LeaderKey leader = 1;
+}
+
+message ResignResponse {
+ etcdserverpb.ResponseHeader header = 1;
+}
+
+message ProclaimRequest {
+ // leader is the leadership hold on the election.
+ LeaderKey leader = 1;
+ // value is an update meant to overwrite the leader's current value.
+ bytes value = 2;
+}
+
+message ProclaimResponse {
+ etcdserverpb.ResponseHeader header = 1;
+}