nezha/service/singleton/singleton.go

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package singleton
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import (
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"gorm.io/driver/sqlite"
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"time"
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"github.com/patrickmn/go-cache"
"gorm.io/gorm"
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"github.com/naiba/nezha/model"
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)
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var Version = "v0.12.18" // !!记得修改 README 中的 badge 版本!!
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var (
Conf *model.Config
Cache *cache.Cache
DB *gorm.DB
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Loc *time.Location
)
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// Init 初始化singleton
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func Init() {
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// 初始化时区至上海 UTF+8
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var err error
Loc, err = time.LoadLocation("Asia/Shanghai")
if err != nil {
panic(err)
}
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Conf = &model.Config{}
Cache = cache.New(5*time.Minute, 10*time.Minute)
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}
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// LoadSingleton 加载子服务并执行
func LoadSingleton() {
LoadNotifications() // 加载通知服务
LoadServers() // 加载服务器列表
LoadCronTasks() // 加载定时任务
}
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// InitConfigFromPath 从给出的文件路径中加载配置
func InitConfigFromPath(path string) {
err := Conf.Read(path)
if err != nil {
panic(err)
}
}
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// InitDBFromPath 从给出的文件路径中加载数据库
func InitDBFromPath(path string) {
var err error
DB, err = gorm.Open(sqlite.Open(path), &gorm.Config{
CreateBatchSize: 200,
})
if err != nil {
panic(err)
}
if Conf.Debug {
DB = DB.Debug()
}
err = DB.AutoMigrate(model.Server{}, model.User{},
model.Notification{}, model.AlertRule{}, model.Monitor{},
model.MonitorHistory{}, model.Cron{}, model.Transfer{})
if err != nil {
panic(err)
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}
}