/
action.go
397 lines (360 loc) · 9.84 KB
/
action.go
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package redis
import (
"context"
"encoding/json"
"errors"
"fmt"
"github.com/tkeel-io/rule-util/pkg/log"
"github.com/tkeel-io/rule-util/pkg/logfield"
"github.com/tkeel-io/rule-rulex/internal/types"
"github.com/tkeel-io/rule-rulex/internal/utils"
"go.uber.org/atomic"
"net/url"
"strconv"
"strings"
//"github.com/tkeel-io/rule-rulex/internal/utils"
"github.com/tkeel-io/rule-rulex/pkg/sink"
plugin "github.com/tkeel-io/rule-rulex/pkg/sink/plugin/redis"
xutils "github.com/tkeel-io/rule-rulex/pkg/sink/utils"
"sync"
"time"
xredis "github.com/go-redis/redis"
)
const (
ready_insert_message = 50000
interval_consumer_time = 3 * time.Second
max_run_pool = 5
)
type Option struct {
//Addrs string `json:"addrs,omitempty"`
Urls []string `json:"urls"`
Key string `json:"Key,omitempty"`
Fields map[string]Field `json:"fields,omitempty"`
}
type Field struct {
Type string `json:"type"`
Value string `json:"value"`
}
type Message struct {
Data map[string]*Data `json:"data"`
DeviceId string `json:"device_id"`
}
type Data struct {
Value interface{} `json:"value"`
Time int64 `json:"ts"`
}
type Fields struct {
fields map[string]string //global fields
fieldArr []*field
nodes map[string]*node //metric nodes
}
type node struct {
nodeName string
fields map[string]string //metric nodes fields
fieldArr []*field
}
type execNode struct {
ts int64
fields []string
args []interface{}
typ []string
}
type field struct {
name string `json:"urls"`
typ string `json:"urls"`
value string `json:"urls"`
}
//redis plugin
type redis struct {
entityType, entityID string
balance plugin.LoadBalance
//db *sqlx.DB
option *Option
fields []*field //映射关系
actionContent types.ActionContent
ch chan types.Message
wg *sync.WaitGroup
queue xutils.BatchSink
metadata map[string]string
inited *atomic.Bool
}
func (a *redis) Flush(ctx types.ActionContent) error {
if a.queue != nil {
a.queue.Flush(ctx.Context())
}
return nil
}
func (a *redis) Setup(ctx types.ActionContent, metadata map[string]string) (err error) {
a.actionContent = ctx
a.metadata = metadata
a.inited.Store(false)
err =a.setup()
return err
}
func (a *redis) setup()(err error){
log.Info("redis setup ", logf.Any("metadata", a.metadata))
opt, err := a.parseOption(a.metadata)
if err != nil {
return err
}
servers := make([]*plugin.Server, len(opt.Urls))
for k, v := range opt.Urls {
u,_ :=url.Parse(v)
p,_ :=u.User.Password()
DB,err :=strconv.Atoi(strings.Replace(u.Path,"/","",-1))
db :=xredis.NewClient(&xredis.Options{
Addr : u.Host,
Password: p,
DB: DB,
DialTimeout: 30 * time.Second,
})
log.Info("redis init " + v)
if err != nil {
log.Error("open redis", logf.Any("error", err))
return err
}
if _,err = db.Ping().Result(); err != nil {
log.Error("ping redis", logf.Any("error", err))
return err
}
servers[k] = &plugin.Server{db, v, 1}
}
a.option = opt
a.balance = plugin.NewLoadBalanceRandom(servers)
a.fields = make([]*field, 0, len(opt.Fields))
for key, fd := range opt.Fields {
a.fields = append(a.fields, &field{
key, fd.Type, fd.Value,
})
}
return
}
func (a *redis) initTask()(err error){
sopt := xutils.SinkBatchOptions{
MaxBatching: max_run_pool,
MaxPendingMessages: ready_insert_message,
BatchingMaxPublishDelay: interval_consumer_time,
}
a.queue, err = xutils.NewBatchSink("redis", &sopt,
func(msgs []types.Message) (err error) {
//t := time.Now()
if err := a.Insert(sink.NewContext(context.Background()), msgs); err != nil {
a.onError(err)
}
utils.Log.Bg().Info("insert message",
logf.Int("len(msgs)", len(msgs)))
return nil
})
return err
}
func (a *redis) Invoke(ctx types.ActionContent, message types.Message) (err error) {
log.Info("redis Invoke ", logf.Any("message", message))
if !a.inited.Load() {
if err = a.initTask(); err != nil {
return err
}
a.inited.Store(true)
}
a.queue.Send(ctx.Context(), message)
return
}
func (a *redis) Insert(ctx types.ActionContent, messages []types.Message) (err error) {
var (
tx xredis.Pipeliner
)
server := a.balance.Select([]*xredis.Client{})
if server == nil {
return fmt.Errorf("get database failed, can't insert")
}
rows := make([]*execNode, 0)
for _, message := range messages {
data := new(execNode)
utils.Log.Bg().Info("Invoke", logf.Any("messages", string(message.Data())))
msgCtx := NewMessageContext(message.(types.PublishMessage))
evalCtx := NewContext("", string(message.Data()), msgCtx)
data.fields = make([]string, 0, len(a.fields))
data.args = make([]interface{}, 0, len(a.fields))
for _, field := range a.fields {
name, v, typ := field.name, field.value, field.typ
val := Execute(evalCtx, v)
key,err :=keyGenerator(message,name)//动态生成key
if err !=nil {
return err
}
data.fields=append(data.fields, key)
if err := fillExecNode(val, typ, data, name); err != nil {
return err
}
}
if len(data.fields) > 0 && len(data.fields) == len(data.args) {
rows = append(rows, data)
} else {
utils.Log.Bg().Warn("rows is empty",
logf.Any("message", message),
logf.Any("args", data.args),
logf.Any("fields", data.fields),
logf.Any("option", a.option),
)
}
}
//var mv map[string]interface{}
if len(rows) > 0 {
tx =server.DB.TxPipeline()
//db :=server.DB
for _, row := range rows {
for k,t :=range row.typ{
if t == "String" {
r :=make(map[string]string)
so :=row.args[k] //获得要插入的value
by,_ :=so.(string)
json.Unmarshal([]byte(by),&r)//将value转化为map类型
key :=row.fields[k]
tx.Set(key,row.args[k],-1)
}else if t =="Hash" {
so :=row.args[k] //获得要插入的value
rr:=so.(map[string]interface{})
rstr :=make(map[string]string)
result :=make(map[string]interface{})
for a,b :=range rr{//将value全部作为string类型存储
str,_ :=json.Marshal(b)
rstr[a]=string(str)
}
for ke,va:=range rstr{//将map[string]string转化为map[string]interface{}
result[ke] = va
}
key :=row.fields[k]//获得key的值
tx.HMSet(key,result)
}else {
utils.Log.Bg().Error("args type is error",
logf.String("type", t),
logf.Any("args", row.args),
logf.Any("fields", row.fields),
logf.String("error", "args type is error"))
return fmt.Errorf("%s","args type is error")
}
}
if _,err =tx.Exec();err != nil {
utils.Log.Bg().Error("db Exec error",
logf.Any("args", row.args),
logf.Any("fields", row.fields),
logf.String("error", err.Error()))
return err
}
//fmt.Println(row.value)
//tx.HSet("","","")
//utils.Log.Bg().Debug("preURL",
// logf.Int64("ts", row.ts),
// logf.Any("args", row.args),
// logf.String("preURL", preURL))
//if _, err = stmt.Exec(row.args...); err != nil {
// utils.Log.Bg().Error("db Exec error",
// logf.String("preURL", preURL),
// logf.Any("args", row.args),
// logf.Any("fields", row.fields),
// logf.String("error", err.Error()))
// return err
//}
}
}
return nil
}
func fillExecNode(val interface{}, typ string, data *execNode, fieldName string) error {
switch typ {
case "String":
if arg, err := ToString(val); err == nil {
data.args = append(data.args, arg)
data.typ=append(data.typ, typ)
} else {
return errors.New(fmt.Sprintf("field(%s) type error,want %s,got (%v)", fieldName, typ, val))
}
case "Hash":
if arg, err := ToHash(val); err == nil {
data.args = append(data.args, arg)
data.typ=append(data.typ, typ)
} else {
return errors.New(fmt.Sprintf("field(%s) type error,want %s,got (%v)", fieldName, typ, val))
}
default:
if arg, err := ToString(val); err == nil {
data.args = append(data.args, arg)
data.typ=append(data.typ, "String")
} else {
return errors.New(fmt.Sprintf("field(%s) type error,want %s,got (%v)", fieldName, typ, val))
}
}
return nil
}
//func (a *mysql) parseFields(metadata map[string]string) []*field {
//if s, ok := metadata["fields"]; ok {
//fields := make(map[string]string)
//err := json.Unmarshal([]byte(s), &fields)
//if err == nil {
// ret := make([]*field, 0, len(fields))
// for n, v := range fields {
// ret = append(ret, &field{n, v})
// }
// return ret
// }
//}
// return nil
//}
func (a *redis) parseOption(metadata map[string]string) (*Option, error) {
s, ok := metadata["option"]
if !ok {
return nil, errors.New("option not found")
}
opt := Option{}
err := json.Unmarshal([]byte(s), &opt)
if err != nil {
return nil, errors.New(fmt.Sprintf("option unmarshal error(%s)", err.Error()))
}
if opt.Fields == nil {
return nil, errors.New(fmt.Sprintf("field not found"))
}
for key, field := range opt.Fields {
if key == "" {
return nil, errors.New(fmt.Sprintf("field name is empty"))
}
if field.Type == "" {
return nil, errors.New(fmt.Sprintf("field(%s) types is empty", key))
}
if field.Value == "" {
//return nil, errors.New(fmt.Sprintf("field(%s) types is empty", key))
}
}
return &opt, nil
}
func (a *redis) Close() (err error) {
log.Debug("close queue...")
if a.queue != nil {
a.queue.Close()
return
}
log.Debug("close db...")
if a.balance != nil {
a.balance.Close()
return
}
log.Debug("close db done...")
return nil
}
func (a *redis) genSql(row *execNode) string {
return Redis_SSQL_TLP
}
func (a *redis) onError(err error) {
a.actionContent.Nack(err)
}
func keyGenerator(message types.Message,key string) (string,error){
data :=make(map[string]interface{})
err :=json.Unmarshal(message.Data(),&data)
if err!=nil{
return "",errors.New(fmt.Sprintf("key build error,err:%s", err))
}else{
k :=data[key].(string)
if len(k)==0{
return "",errors.New(fmt.Sprintf("key build error,key:%s 无效", key))
}
keyresult :=fmt.Sprintf("mdmp.rulex.%s",k)
return keyresult,nil
}
}