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stats.go
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/
stats.go
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// Copyright 2015 CoreOS, Inc.
//
// 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 stats defines a standard interface for etcd cluster statistics.
package stats
import "github.com/coreos/pkg/capnslog"
var (
plog = capnslog.NewPackageLogger("github.com/coreos/etcd/etcdserver", "stats")
)
type Stats interface {
// SelfStats returns the struct representing statistics of this server
SelfStats() []byte
// LeaderStats returns the statistics of all followers in the cluster
// if this server is leader. Otherwise, nil is returned.
LeaderStats() []byte
// StoreStats returns statistics of the store backing this EtcdServer
StoreStats() []byte
}