[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/v3compactor/compactor.go b/vendor/go.etcd.io/etcd/etcdserver/api/v3compactor/compactor.go
new file mode 100644
index 0000000..73a9684
--- /dev/null
+++ b/vendor/go.etcd.io/etcd/etcdserver/api/v3compactor/compactor.go
@@ -0,0 +1,75 @@
+// Copyright 2016 The etcd Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package v3compactor
+
+import (
+ "context"
+ "fmt"
+ "time"
+
+ pb "go.etcd.io/etcd/etcdserver/etcdserverpb"
+
+ "github.com/coreos/pkg/capnslog"
+ "github.com/jonboulle/clockwork"
+ "go.uber.org/zap"
+)
+
+var (
+ plog = capnslog.NewPackageLogger("go.etcd.io/etcd", "compactor")
+)
+
+const (
+ ModePeriodic = "periodic"
+ ModeRevision = "revision"
+)
+
+// Compactor purges old log from the storage periodically.
+type Compactor interface {
+ // Run starts the main loop of the compactor in background.
+ // Use Stop() to halt the loop and release the resource.
+ Run()
+ // Stop halts the main loop of the compactor.
+ Stop()
+ // Pause temporally suspend the compactor not to run compaction. Resume() to unpose.
+ Pause()
+ // Resume restarts the compactor suspended by Pause().
+ Resume()
+}
+
+type Compactable interface {
+ Compact(ctx context.Context, r *pb.CompactionRequest) (*pb.CompactionResponse, error)
+}
+
+type RevGetter interface {
+ Rev() int64
+}
+
+// New returns a new Compactor based on given "mode".
+func New(
+ lg *zap.Logger,
+ mode string,
+ retention time.Duration,
+ rg RevGetter,
+ c Compactable,
+) (Compactor, error) {
+ switch mode {
+ case ModePeriodic:
+ return newPeriodic(lg, clockwork.NewRealClock(), retention, rg, c), nil
+ case ModeRevision:
+ return newRevision(lg, clockwork.NewRealClock(), int64(retention), rg, c), nil
+ default:
+ return nil, fmt.Errorf("unsupported compaction mode %s", mode)
+ }
+}