golang-nacos-api-demo
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package core
import (
"api/config"
"fmt"
"github.com/AllCute/loki-client-go/loki"
"github.com/go-kit/kit/log"
"github.com/prometheus/common/model"
"time"
)
type lokiClient struct {
client *loki.Client
}
// 初始化Loki
func initLokiClient() lokiClient {
config.InitLokiConfig()
// 初始化配置
cfg, err := loki.NewDefaultConfig(config.LokiConfig.GetPushURL())
// 创建连接对象
client, err := loki.NewWithLogger(cfg, log.NewNopLogger())
if err != nil {
Log.zap.Panicf("Loki初始化失败: %v", err.Error())
}
label := model.LabelSet{"job": "initialization"}
label["source"] = model.LabelValue(config.LokiConfig.Source)
label["level"] = "Debug"
err = client.Handle(label, time.Now().Local(), "Loki服务连接成功")
if err != nil {
Log.zap.Errorf("日志推送到Loki失败: %v", err.Error())
}
return lokiClient{client: client}
}
// 发送日志到Loki
func (c lokiClient) send(level string, job string, logStr string) {
label := model.LabelSet{"job": model.LabelValue(job)}
label["source"] = model.LabelValue(config.LokiConfig.Source)
label["level"] = model.LabelValue(level)
err := c.client.Handle(label, time.Now().Local(), logStr)
if err != nil {
Log.zap.Errorf("日志推送到Loki失败: %v", err.Error())
}
}
// Debug Debug日志
func (c lokiClient) Debug(job, template string, args ...interface{}) {
logStr := template
if len(args) > 0 {
logStr = fmt.Sprintf(template, args...)
}
c.send("Debug", job, logStr)
}
// Info Info日志
func (c lokiClient) Info(job, template string, args ...interface{}) {
logStr := template
if len(args) > 0 {
logStr = fmt.Sprintf(template, args...)
}
c.send("Info", job, logStr)
}
// Warn Warn日志
func (c lokiClient) Warn(job, template string, args ...interface{}) {
logStr := template
if len(args) > 0 {
logStr = fmt.Sprintf(template, args...)
}
c.send("Warn", job, logStr)
}
// Error Error日志
func (c lokiClient) Error(job, template string, args ...interface{}) {
logStr := template
if len(args) > 0 {
logStr = fmt.Sprintf(template, args...)
}
c.send("Error", job, logStr)
}