act_runner/cmd/damon.go

141 lines
3.6 KiB
Go

package cmd
import (
"context"
"encoding/json"
"errors"
"strings"
"time"
"github.com/gorilla/websocket"
"github.com/rs/zerolog/log"
"github.com/spf13/cobra"
)
type Message struct {
Version int //
Type int // message type, 1 register 2 error
RunnerUUID string // runner uuid
ErrCode int // error code
ErrContent string // errors message
EventName string
EventPayload string
}
func runDaemon(ctx context.Context, input *Input) func(cmd *cobra.Command, args []string) error {
log.Info().Msgf("Starting runner daemon")
return func(cmd *cobra.Command, args []string) error {
var conn *websocket.Conn
var err error
ticker := time.NewTicker(time.Second)
defer ticker.Stop()
var failedCnt int
for {
select {
case <-ctx.Done():
if conn != nil {
err = conn.WriteMessage(websocket.CloseMessage, websocket.FormatCloseMessage(websocket.CloseNormalClosure, ""))
if err != nil {
log.Error().Msgf("write close: %v", err)
}
}
if errors.Is(ctx.Err(), context.Canceled) {
return nil
}
return ctx.Err()
case <-ticker.C:
if conn == nil {
log.Trace().Msgf("trying connect %v", "ws://localhost:3000/api/actions")
conn, _, err = websocket.DefaultDialer.DialContext(ctx, "ws://localhost:3000/api/actions", nil)
if err != nil {
log.Error().Msgf("dial: %v", err)
break
}
// register the client
msg := Message{
Version: 1,
Type: 1,
RunnerUUID: "111111",
}
bs, err := json.Marshal(&msg)
if err != nil {
log.Error().Msgf("Marshal: %v", err)
break
}
if err = conn.WriteMessage(websocket.TextMessage, bs); err != nil {
log.Error().Msgf("register failed: %v", err)
conn.Close()
conn = nil
break
}
}
const timeout = time.Second * 10
for {
conn.SetReadDeadline(time.Now().Add(timeout))
conn.SetPongHandler(func(string) error { conn.SetReadDeadline(time.Now().Add(timeout)); return nil })
_, message, err := conn.ReadMessage()
if err != nil {
if websocket.IsCloseError(err, websocket.CloseAbnormalClosure) ||
websocket.IsCloseError(err, websocket.CloseNormalClosure) {
log.Trace().Msgf("closed from remote")
conn.Close()
conn = nil
} else if !strings.Contains(err.Error(), "i/o timeout") {
log.Error().Msgf("read message failed: %#v", err)
}
failedCnt++
if failedCnt > 60 {
if conn != nil {
conn.Close()
conn = nil
}
failedCnt = 0
}
break
}
// TODO: handle the message
var msg Message
if err = json.Unmarshal(message, &msg); err != nil {
log.Error().Msgf("unmarshal received message faild: %v", err)
continue
}
switch msg.Version {
case 1:
switch msg.Type {
case 1:
log.Info().Msgf("received message: %s", message)
case 2:
case 4:
log.Info().Msgf("received no task")
case 3:
switch msg.EventName {
case "push":
input := Input{
forgeInstance: "github.com",
}
if err := runTask(context.Background(), &input, ""); err != nil {
log.Error().Msgf("run task failed: %v", err)
}
default:
log.Warn().Msgf("unknow event %s with payload %s", msg.EventName, msg.EventPayload)
}
default:
log.Error().Msgf("received a message with an unsupported type: %#v", msg)
}
default:
log.Error().Msgf("recevied a message with an unsupported version, consider upgrade your runner")
}
}
}
}
}
}