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main.go
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main.go
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package main
import (
"context"
"fmt"
"log"
"mysql4prom/config"
"time"
_ "mysql4prom/bak"
"mysql4prom/serivces"
"github.com/jinzhu/gorm"
_ "github.com/jinzhu/gorm/dialects/mysql"
)
func InitDBByGorm(dbUrl string) (*gorm.DB, error){
db, err := gorm.Open("mysql", dbUrl)
if err!= nil{
log.Fatalf("Open mysql database error: %s\n", err)
return nil, err
}
return db, err
}
func RunService(ctx context.Context){
db, err := InitDBByGorm(config.DBUrl)
if err != nil || db == nil{
fmt.Println(err)
return
}
defer db.Close()
var serivces *serivces.Rule4Prom
for {
select {
case <-ctx.Done():
fmt.Println("WriteRedis Done.")
return
default:
fmt.Println("WriteRedis running")
rules, errRule := serivces.GetAllRules(db, true)
if errRule != nil {
fmt.Println(errRule)
ctx.Done()
return
}else{
fmt.Println(rules)
}
time.Sleep(30 * time.Second)
}
}
}
func main(){
fmt.Println("Make a mysql/maria for Promethues")
ctx, cancel := context.WithCancel(context.Background())
go RunService(ctx)
ticker := time.NewTicker(60 * time.Second)
defer ticker.Stop()
for {
select {
case <-ctx.Done():
cancel()
log.Printf("quit running after 3 seconds")
time.Sleep(time.Second * 3)
return
case <- ticker.C:
log.Println("心跳一下,继续运行")
}
}
}