mirror of https://github.com/k3s-io/k3s
97 lines
2.3 KiB
Go
97 lines
2.3 KiB
Go
// Copyright 2015 The etcd Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package rafthttp
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import (
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"errors"
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"fmt"
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"sync"
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"time"
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"go.etcd.io/etcd/pkg/types"
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"go.uber.org/zap"
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)
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type failureType struct {
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source string
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action string
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}
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type peerStatus struct {
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lg *zap.Logger
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local types.ID
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id types.ID
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mu sync.Mutex // protect variables below
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active bool
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since time.Time
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}
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func newPeerStatus(lg *zap.Logger, local, id types.ID) *peerStatus {
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return &peerStatus{lg: lg, local: local, id: id}
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}
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func (s *peerStatus) activate() {
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s.mu.Lock()
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defer s.mu.Unlock()
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if !s.active {
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if s.lg != nil {
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s.lg.Info("peer became active", zap.String("peer-id", s.id.String()))
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} else {
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plog.Infof("peer %s became active", s.id)
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}
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s.active = true
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s.since = time.Now()
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activePeers.WithLabelValues(s.local.String(), s.id.String()).Inc()
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}
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}
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func (s *peerStatus) deactivate(failure failureType, reason string) {
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s.mu.Lock()
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defer s.mu.Unlock()
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msg := fmt.Sprintf("failed to %s %s on %s (%s)", failure.action, s.id, failure.source, reason)
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if s.active {
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if s.lg != nil {
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s.lg.Warn("peer became inactive (message send to peer failed)", zap.String("peer-id", s.id.String()), zap.Error(errors.New(msg)))
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} else {
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plog.Errorf(msg)
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plog.Infof("peer %s became inactive (message send to peer failed)", s.id)
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}
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s.active = false
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s.since = time.Time{}
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activePeers.WithLabelValues(s.local.String(), s.id.String()).Dec()
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disconnectedPeers.WithLabelValues(s.local.String(), s.id.String()).Inc()
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return
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}
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if s.lg != nil {
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s.lg.Debug("peer deactivated again", zap.String("peer-id", s.id.String()), zap.Error(errors.New(msg)))
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}
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}
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func (s *peerStatus) isActive() bool {
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s.mu.Lock()
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defer s.mu.Unlock()
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return s.active
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}
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func (s *peerStatus) activeSince() time.Time {
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s.mu.Lock()
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defer s.mu.Unlock()
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return s.since
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}
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