etcdserver: improve Lease http path naming for gRPC gateway

CHANGELOG-3.4.md

@@ -128,6 +128,8 @@ See [security doc](https://github.com/coreos/etcd/blob/master/Documentation/op-g
 - Replace [gRPC gateway](https://github.com/grpc-ecosystem/grpc-gateway) `/v3beta` with [`/v3`](https://github.com/coreos/etcd/pull/9298).
   - Deprecated [`/v3alpha`](https://github.com/coreos/etcd/pull/9298).
   - To deprecate [`/v3beta`](https://github.com/coreos/etcd/issues/9189) in `v3.5`.
+- Add API endpoints [`/{v3,v3beta}/lease/leases, /{v3,v3beta}/lease/revoke /{v3,v3beta}/lease/timetolive`](https://github.com/coreos/etcd/pull/9450).
+  - To deprecate [`/{v3,v3beta}/kv/lease/leases, /{v3,v3beta}/kv/lease/revoke, /{v3,v3beta}/kv/lease/timetolive`](https://github.com/coreos/etcd/issues/9430) in `v3.5`.
 
 ### Package `raft`
 

Documentation/dev-guide/apispec/swagger/rpc.swagger.json

@@ -615,7 +615,7 @@
           "Lease"
         ],
         "summary": "LeaseLeases lists all existing leases.",
-        "operationId": "LeaseLeases",
+        "operationId": "LeaseLeases2",
         "parameters": [
           {
             "name": "body",
@@ -642,7 +642,7 @@
           "Lease"
         ],
         "summary": "LeaseRevoke revokes a lease. All keys attached to the lease will expire and be deleted.",
-        "operationId": "LeaseRevoke",
+        "operationId": "LeaseRevoke2",
         "parameters": [
           {
             "name": "body",
@@ -669,7 +669,7 @@
           "Lease"
         ],
         "summary": "LeaseTimeToLive retrieves lease information.",
-        "operationId": "LeaseTimeToLive",
+        "operationId": "LeaseTimeToLive2",
         "parameters": [
           {
             "name": "body",
@@ -826,6 +826,87 @@
         }
       }
     },
+    "/v3/lease/leases": {
+      "post": {
+        "tags": [
+          "Lease"
+        ],
+        "summary": "LeaseLeases lists all existing leases.",
+        "operationId": "LeaseLeases",
+        "parameters": [
+          {
+            "name": "body",
+            "in": "body",
+            "required": true,
+            "schema": {
+              "$ref": "#/definitions/etcdserverpbLeaseLeasesRequest"
+            }
+          }
+        ],
+        "responses": {
+          "200": {
+            "description": "(empty)",
+            "schema": {
+              "$ref": "#/definitions/etcdserverpbLeaseLeasesResponse"
+            }
+          }
+        }
+      }
+    },
+    "/v3/lease/revoke": {
+      "post": {
+        "tags": [
+          "Lease"
+        ],
+        "summary": "LeaseRevoke revokes a lease. All keys attached to the lease will expire and be deleted.",
+        "operationId": "LeaseRevoke",
+        "parameters": [
+          {
+            "name": "body",
+            "in": "body",
+            "required": true,
+            "schema": {
+              "$ref": "#/definitions/etcdserverpbLeaseRevokeRequest"
+            }
+          }
+        ],
+        "responses": {
+          "200": {
+            "description": "(empty)",
+            "schema": {
+              "$ref": "#/definitions/etcdserverpbLeaseRevokeResponse"
+            }
+          }
+        }
+      }
+    },
+    "/v3/lease/timetolive": {
+      "post": {
+        "tags": [
+          "Lease"
+        ],
+        "summary": "LeaseTimeToLive retrieves lease information.",
+        "operationId": "LeaseTimeToLive",
+        "parameters": [
+          {
+            "name": "body",
+            "in": "body",
+            "required": true,
+            "schema": {
+              "$ref": "#/definitions/etcdserverpbLeaseTimeToLiveRequest"
+            }
+          }
+        ],
+        "responses": {
+          "200": {
+            "description": "(empty)",
+            "schema": {
+              "$ref": "#/definitions/etcdserverpbLeaseTimeToLiveResponse"
+            }
+          }
+        }
+      }
+    },
     "/v3/maintenance/alarm": {
       "post": {
         "tags": [

e2e/v3_curl_lease_test.go

@@ -48,6 +48,8 @@ type v3cURLTest struct {
 	expected string
 }
 
+// TODO remove /kv/lease/timetolive, /kv/lease/revoke, /kv/lease/leases tests in 3.5 release
+
 func testV3CurlLeaseGrant(cx ctlCtx) {
 	leaseID := randomLeaseID()
 
@@ -67,6 +69,11 @@ func testV3CurlLeaseGrant(cx ctlCtx) {
 			value:    gwKVPutLease(cx, "foo", "bar", leaseID),
 			expected: `"revision":"`,
 		},
+		{
+			endpoint: "/lease/timetolive",
+			value:    gwLeaseTTLWithKeys(cx, leaseID),
+			expected: `"grantedTTL"`,
+		},
 		{
 			endpoint: "/kv/lease/timetolive",
 			value:    gwLeaseTTLWithKeys(cx, leaseID),
@@ -88,10 +95,15 @@ func testV3CurlLeaseRevoke(cx ctlCtx) {
 			expected: gwLeaseIDExpected(leaseID),
 		},
 		{
-			endpoint: "/kv/lease/revoke",
+			endpoint: "/lease/revoke",
 			value:    gwLeaseRevoke(cx, leaseID),
 			expected: `"revision":"`,
 		},
+		{
+			endpoint: "/kv/lease/revoke",
+			value:    gwLeaseRevoke(cx, leaseID),
+			expected: `etcdserver: requested lease not found`,
+		},
 	}
 	if err := cURLWithExpected(cx, tests); err != nil {
 		cx.t.Fatalf("testV3CurlLeaseRevoke: %v", err)
@@ -107,6 +119,11 @@ func testV3CurlLeaseLeases(cx ctlCtx) {
 			value:    gwLeaseGrant(cx, leaseID, 0),
 			expected: gwLeaseIDExpected(leaseID),
 		},
+		{
+			endpoint: "/lease/leases",
+			value:    "{}",
+			expected: gwLeaseIDExpected(leaseID),
+		},
 		{
 			endpoint: "/kv/lease/leases",
 			value:    "{}",