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126 lines
3.1 KiB
Go

// Copyright GoFrame Author(https://goframe.org). All Rights Reserved.
//
// This Source Code Form is subject to the terms of the MIT License.
// If a copy of the MIT was not distributed with this file,
// You can obtain one at https://github.com/gogf/gf.
package main
import (
"context"
"fmt"
"time"
_ "github.com/gogf/gf/contrib/drivers/mysql/v2"
"github.com/gogf/gf/contrib/trace/otlphttp/v2"
"github.com/gogf/gf/v2/database/gdb"
"github.com/gogf/gf/v2/frame/g"
"github.com/gogf/gf/v2/net/ghttp"
"github.com/gogf/gf/v2/os/gcache"
"github.com/gogf/gf/v2/os/gctx"
)
type cTrace struct{}
const (
serviceName = "otlp-http-server-with-db"
endpoint = "tracing-analysis-dc-hz.aliyuncs.com"
path = "adapt_******_******/api/otlp/traces"
)
func main() {
var ctx = gctx.New()
shutdown, err := otlphttp.Init(serviceName, endpoint, path)
if err != nil {
g.Log().Fatal(ctx, err)
}
defer shutdown()
// Set ORM cache adapter with redis.
g.DB().GetCache().SetAdapter(gcache.NewAdapterRedis(g.Redis()))
// Start HTTP server.
s := g.Server()
s.Use(ghttp.MiddlewareHandlerResponse)
s.Group("/", func(group *ghttp.RouterGroup) {
group.ALL("/user", new(cTrace))
})
s.SetPort(8199)
s.Run()
}
// InsertReq is the input parameter for inserting user info.
type InsertReq struct {
Name string `v:"required#Please input user name."`
}
// InsertRes is the output parameter for inserting user info.
type InsertRes struct {
ID int64
}
// Insert is a route handler for inserting user info into database.
func (c *cTrace) Insert(ctx context.Context, req *InsertReq) (res *InsertRes, err error) {
result, err := g.Model("user").Ctx(ctx).Insert(req)
if err != nil {
return nil, err
}
id, _ := result.LastInsertId()
res = &InsertRes{
ID: id,
}
return
}
// QueryReq is the input parameter for querying user info.
type QueryReq struct {
ID int `v:"min:1#User id is required for querying"`
}
// QueryRes is the output parameter for querying user info.
type QueryRes struct {
User gdb.Record
}
// Query is a route handler for querying user info. It firstly retrieves the info from redis,
// if there's nothing in the redis, it then does db select.
func (c *cTrace) Query(ctx context.Context, req *QueryReq) (res *QueryRes, err error) {
one, err := g.Model("user").Ctx(ctx).Cache(gdb.CacheOption{
Duration: 5 * time.Second,
Name: c.userCacheKey(req.ID),
Force: false,
}).WherePri(req.ID).One()
if err != nil {
return nil, err
}
res = &QueryRes{
User: one,
}
return
}
// DeleteReq is the input parameter for deleting user info.
type DeleteReq struct {
Id int `v:"min:1#User id is required for deleting."`
}
// DeleteRes is the output parameter for deleting user info.
type DeleteRes struct{}
// Delete is a route handler for deleting specified user info.
func (c *cTrace) Delete(ctx context.Context, req *DeleteReq) (res *DeleteRes, err error) {
_, err = g.Model("user").Ctx(ctx).Cache(gdb.CacheOption{
Duration: -1,
Name: c.userCacheKey(req.Id),
Force: false,
}).WherePri(req.Id).Delete()
if err != nil {
return nil, err
}
return
}
func (c *cTrace) userCacheKey(id int) string {
return fmt.Sprintf(`userInfo:%d`, id)
}