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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,130 @@ | ||
| /* | ||
| Copyright 2024 The west2-online 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 eszap | ||
|
|
||
| import ( | ||
| "bytes" | ||
| "context" | ||
| "encoding/json" | ||
| "log" | ||
| "os" | ||
| "strings" | ||
| "time" | ||
|
|
||
| elastic "github.com/elastic/go-elasticsearch" | ||
| "github.com/elastic/go-elasticsearch/esapi" | ||
| "go.uber.org/zap" | ||
| "go.uber.org/zap/zapcore" | ||
| ) | ||
|
|
||
| // ElasticHook is a zap hook for ElasticSearch | ||
| type ElasticHook struct { | ||
| client *elastic.Client // es 的客户端 | ||
| host string // es 的 host | ||
| index string // 获取索引的名字 | ||
| ctx context.Context | ||
| cancel func() | ||
|
|
||
| enc zapcore.Encoder | ||
| lvl zap.AtomicLevel | ||
| ws zapcore.WriteSyncer | ||
| } | ||
|
|
||
| // IndexNameFunc get index name | ||
| type IndexNameFunc func() string | ||
|
|
||
| func NewElasticHook(client *elastic.Client, host string, index string, level zapcore.Level) *ElasticHook { | ||
| hook := defaultHookConfig() | ||
|
|
||
| hook.client = client | ||
| hook.host = host | ||
| hook.index = index | ||
| hook.lvl = zap.NewAtomicLevelAt(level) | ||
|
|
||
| return hook | ||
| } | ||
|
|
||
| // 发送到 es 的信息结构 | ||
| type message struct { | ||
| Host string | ||
| Timestamp string `json:"@timestamp"` | ||
| Message string | ||
| Level string | ||
| } | ||
|
|
||
| func createMessage(entry *zapcore.Entry, hook *ElasticHook) *message { | ||
| return &message{ | ||
| Host: hook.host, | ||
| Timestamp: entry.Time.UTC().Format(time.RFC3339), | ||
| Message: entry.Message, | ||
| Level: strings.ToUpper(entry.Level.String()), | ||
| } | ||
| } | ||
|
|
||
| func (hook *ElasticHook) Fire(entry zapcore.Entry) error { | ||
| data, err := json.Marshal(createMessage(&entry, hook)) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| req := esapi.IndexRequest{ | ||
| Index: hook.index, | ||
| Body: bytes.NewReader(data), | ||
| Refresh: "true", | ||
| } | ||
|
|
||
| res, err := req.Do(hook.ctx, hook.client) | ||
| if err != nil { | ||
| log.Fatalf("Error getting response: %s", err) | ||
| } | ||
|
|
||
| var r map[string]interface{} | ||
| if err = json.NewDecoder(res.Body).Decode(&r); err != nil { | ||
| log.Printf("Error parsing the response body: %s", err) | ||
| } else { | ||
| // Print the response status and indexed document version. | ||
| log.Printf("[%s] %s; version=%d", res.Status(), r["result"], int(r["_version"].(float64))) | ||
| } | ||
| return err | ||
| } | ||
|
|
||
| func (hook *ElasticHook) Enc() zapcore.Encoder { | ||
| return hook.enc | ||
| } | ||
|
|
||
| func (hook *ElasticHook) Lvl() zap.AtomicLevel { | ||
| return hook.lvl | ||
| } | ||
|
|
||
| func (hook *ElasticHook) Ws() zapcore.WriteSyncer { | ||
| return hook.ws | ||
| } | ||
|
|
||
| func defaultHookConfig() *ElasticHook { | ||
| ctx, cancel := context.WithCancel(context.Background()) | ||
| enc := zapcore.NewConsoleEncoder(zap.NewDevelopmentEncoderConfig()) | ||
| lvl := zap.NewAtomicLevelAt(zap.DebugLevel) | ||
| ws := zapcore.AddSync(os.Stdout) | ||
|
|
||
| return &ElasticHook{ | ||
| ctx: ctx, | ||
| cancel: cancel, | ||
| enc: enc, | ||
| lvl: lvl, | ||
| ws: ws, | ||
| } | ||
| } |