/
task.go
443 lines (424 loc) · 16.7 KB
/
task.go
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package models
import (
"fmt"
"amasd/core"
"strconv"
"strings"
"time"
"github.com/ltachi1/logrus"
"sync"
)
type Task struct {
Base core.BaseModel `json:"-" xorm:"-"`
Id int `json:"id" xorm:"pk autoincr"`
Type uint8 `json:"type"`
ProjectId int `json:"project_id"`
ProjectName string `json:"project_name"`
Version string `json:"version"`
ServerId int `json:"server_id"`
Host string `json:"host"`
SpiderId int `json:"spider_id"`
SpiderName string `json:"spider_name"`
JobId string `json:"job_id"`
StartTime core.Timestamp `json:"start_time"`
EndTime core.Timestamp `json:"end_time"`
Status string `json:"status"`
}
//Status 运行状态 error | pending | running | cancelled | finished
var (
TaskTypeOnce uint8 = 1 //一次性任务
TaskTypeTiming uint8 = 2 //定时任务
TaskStatusError = "error"
TaskStatusPending = "pending"
TaskStatusRunning = "running"
TaskStatusCancelled = "cancelled"
TaskStatusFinished = "finished"
)
//查询项目下是否有正在运行的爬虫,包括定时任务
func (t *Task) HaveRunning(projectId int) bool {
count, _ := core.Db.Where("project_id = ? and (status = ? or status = ?)", projectId, TaskStatusPending, TaskStatusRunning).Table("task").Count()
if count > 0 {
return true
}
return false
}
func (t *Task) HaveRunningByServer(serverId int) bool {
count, _ := core.Db.Where("server_id = ? and (status = ? or status = ?)", serverId, TaskStatusPending, TaskStatusRunning).Table("task").Count()
if count > 0 {
return true
}
return false
}
func (t *Task) Inert(projectId int, projectName string, version string, spiderList []string, serverList []string) (bool, []string) {
errorTaskList := make([]string, 0)
for _, spider := range spiderList {
sp := strings.Split(spider, "|")
spiderId, _ := strconv.Atoi(sp[0])
for _, server := range serverList {
se := strings.Split(server, "|")
serverId, _ := strconv.Atoi(se[0])
task := Task{
Type: TaskTypeOnce,
ProjectId: projectId,
ProjectName: projectName,
Version: version,
SpiderId: spiderId,
SpiderName: sp[1],
ServerId: serverId,
Host: se[1],
Status: TaskStatusPending,
}
_, error := core.Db.InsertOne(&task)
if error == nil {
t.RunTask(task.Id)
} else {
core.WriteLog(core.LogTypeTask, logrus.ErrorLevel, logrus.Fields{"project_name": projectName, "version": version, "host": se[1], "spider_name": sp[1]}, fmt.Sprintf("任务添加失败:%s", error))
errorTaskList = append(errorTaskList, fmt.Sprintf("%s - %s", se[1], sp[1]))
}
}
}
if len(errorTaskList) > 0 {
return false, errorTaskList
}
return true, errorTaskList
}
func (t *Task) InertOne() {
if _, error := core.Db.InsertOne(t); error == nil {
t.RunTask(t.Id)
}
}
//运行任务
func (t *Task) RunTask(taskId int) {
task := core.B{}
if ok, _ := core.Db.Select("t.*,s.auth,s.username,s.password,s.status").Table("task").Alias("t").Join("INNER", "server as s", "t.server_id = s.id").Where("t.id = ?", taskId).Limit(1).Get(&task); ok {
serverStatus, _ := strconv.Atoi(task["status"])
if uint8(serverStatus) == ServerStatusNormal {
auth, _ := strconv.Atoi(task["auth"])
scrapyd := Scrapyd{
Host: task["host"],
Auth: uint8(auth),
Username: task["username"],
Password: task["password"],
}
if err, jobId := scrapyd.Schedule(task["project_name"], task["version"], task["spider_name"]); err == nil {
//刚投递的任务无法判断是否真正的已经开始运行,所以有定时任务去处理任务状态
core.WriteLog(core.LogTypeTask, logrus.InfoLevel, logrus.Fields{"task_id": taskId, "job_id": jobId, "host": task["host"], "project_name": task["project_name"], "version": task["version"]}, "任务投递成功")
core.Db.Id(taskId).Update(&Task{JobId: jobId})
} else {
core.WriteLog(core.LogTypeTask, logrus.ErrorLevel, logrus.Fields{"task_id": taskId, "host": task["host"], "project_name": task["project_name"], "version": task["version"]}, fmt.Sprintf("任务投递失败:%s", err))
core.Db.Id(taskId).Update(&Task{Status: TaskStatusError, StartTime: core.Timestamp(time.Now().Unix()), EndTime: core.Timestamp(time.Now().Unix())})
}
} else {
core.WriteLog(core.LogTypeTask, logrus.ErrorLevel, logrus.Fields{"task_id": taskId, "host": task["host"], "project_name": task["project_name"], "version": task["version"]}, "scrapyd状态异常导致任务投递失败")
core.Db.Id(taskId).Update(&Task{Status: TaskStatusError, StartTime: core.Timestamp(time.Now().Unix()), EndTime: core.Timestamp(time.Now().Unix())})
}
}
}
//分页获取任务列表
func (t *Task) FindTaskPages(projectId int, version string, serverId int, status string, page int, pageSize int) ([]core.B, int) {
tasks := make([]core.B, 0)
countObj := core.Db.Table("task")
selectObj := core.Db.Table("task")
if projectId > 0 {
countObj.Where("project_id = ? ", projectId)
selectObj.Where("project_id = ? ", projectId)
}
if version != "" {
countObj.Where("version = ? ", version)
selectObj.Where("version = ? ", version)
}
if serverId > 0 {
countObj.Where("server_id = ? ", serverId)
selectObj.Where("server_id = ? ", serverId)
}
if status != "" {
countObj.Where("status = ? ", status)
selectObj.Where("status = ? ", status)
}
totalCount, _ := countObj.Count()
selectObj.OrderBy("id asc").Limit(pageSize, (page-1)*pageSize).Find(&tasks)
for i := 0; i < len(tasks); i++ {
startTimestamp, _ := strconv.Atoi(tasks[i]["start_time"])
endTimestamp := startTimestamp
if tasks[i]["end_time"] != "0" {
endTimestamp, _ = strconv.Atoi(tasks[i]["end_time"])
} else if tasks[i]["start_time"] != "0" {
endTimestamp = int(time.Now().Unix())
}
if tasks[i]["start_time"] != "0" {
tasks[i]["start_time"] = core.FormatDateByString(tasks[i]["start_time"])
} else {
tasks[i]["start_time"] = ""
}
tasks[i]["duration"] = core.TimeDifference(startTimestamp, endTimestamp)
}
return tasks, int(totalCount)
}
//取消单个任务
func (t *Task) Cancel(id int) bool {
if t.ProjectName == "" || t.JobId == "" {
if ok, _ := core.Db.Select("id,project_name,server_id,job_id").Where("id = ? and (status = ? or status = ?)", id, TaskStatusPending, TaskStatusRunning).NoAutoCondition().Get(t); !ok {
return false
}
}
if t.Id == 0 {
return false
}
server := new(Server)
if !server.Get(t.ServerId) {
return false
}
if server.Id == 0 {
return false
}
scrapyd := Scrapyd{
Host: server.Host,
Auth: server.Auth,
Username: server.Username,
Password: server.Password,
}
if err := scrapyd.Cancel(t.ProjectName, t.JobId); err != nil {
core.WriteLog(core.LogTypeTask, logrus.ErrorLevel, logrus.Fields{"task_id": id, "job_id": t.JobId, "host": server.Host, "project_name": t.ProjectName}, fmt.Sprintf("任务取消失败:%s", err))
return false
}
if _, error := core.Db.Id(id).Update(&Task{Status: TaskStatusCancelled, EndTime: core.Timestamp(time.Now().Unix())}); error != nil {
core.WriteLog(core.LogTypeTask, logrus.ErrorLevel, logrus.Fields{"task_id": id, "job_id": t.JobId, "host": server.Host, "project_name": t.ProjectName}, fmt.Sprintf("任务状态修改为已取消时失败:%s", error))
return false
}
core.WriteLog(core.LogTypeTask, logrus.InfoLevel, logrus.Fields{"task_id": id, "job_id": t.JobId, "host": server.Host, "project_name": t.ProjectName}, fmt.Sprintf("手动取消任务"))
return true
}
//取消多个任务
func (t *Task) CancelMulti(ids []string) (bool, []string) {
failureList := make([]string, 0)
var wg sync.WaitGroup
for _, id := range ids {
if i, err := strconv.Atoi(id); err == nil {
wg.Add(1)
go func(i int) {
if !new(Task).Cancel(i) {
failureList = append(failureList, strconv.Itoa(i))
}
wg.Done()
}(i)
}
}
wg.Wait()
if len(failureList) == 0 {
return true, failureList
}
return false, failureList
}
func (t *Task) CancelAll(projectId int, version string, serverId int, status string) (bool, []string) {
failureList := make([]string, 0)
tasks := make([]Task, 0)
obj := core.Db.Table("task")
if projectId > 0 {
obj.Where("project_id = ? ", projectId)
}
if version != "" {
obj.Where("version = ? ", version)
}
if serverId > 0 {
obj.Where("server_id = ? ", serverId)
}
if status != "" {
obj.Where("status = ? ", status)
}
obj.OrderBy("id asc").Find(&tasks)
if len(tasks) > 0 {
var wg sync.WaitGroup
for _, task := range tasks {
wg.Add(1)
go func(task Task) {
if !task.Cancel(task.Id) {
failureList = append(failureList, strconv.Itoa(task.Id))
}
wg.Done()
}(task)
}
wg.Wait()
if len(failureList) > 0 {
return false, failureList
}
}
return true, failureList
}
//删除单个任务
func (t *Task) Del(id int) bool {
if _, error := core.Db.Id(id).Delete(t); error != nil {
core.WriteLog(core.LogTypeTask, logrus.ErrorLevel, logrus.Fields{"task_id": id}, fmt.Sprintf("任务删除失败:%s", error))
return false
}
core.WriteLog(core.LogTypeTask, logrus.InfoLevel, logrus.Fields{"task_id": id}, fmt.Sprintf("删除任务"))
return true
}
//删除多个任务
func (t *Task) DelMulti(ids []string) bool {
if _, error := core.Db.In("id", ids).Delete(t); error != nil {
core.WriteLog(core.LogTypeTask, logrus.ErrorLevel, logrus.Fields{"task_ids": ids}, fmt.Sprintf("任务删除失败:%s", error))
return false
}
core.WriteLog(core.LogTypeTask, logrus.InfoLevel, logrus.Fields{"task_ids": ids}, fmt.Sprintf("删除任务"))
return true
}
func (t *Task) DelAll(projectId int, version string, serverId int, status string) bool {
obj := core.Db.Where("1 = 1")
if projectId > 0 {
obj = obj.Where("project_id = ? ", projectId)
}
if version != "" {
obj.Where("version = ? ", version)
}
if serverId > 0 {
obj.Where("server_id = ? ", serverId)
}
if status != "" {
obj.Where("status = ? ", status)
}
if _, error := obj.NoAutoCondition().Delete(t); error != nil {
core.WriteLog(core.LogTypeTask, logrus.ErrorLevel, logrus.Fields{"project_id": projectId, "version": version, "server_id": serverId, "status": status}, fmt.Sprintf("任务删除失败:%s", error))
return false
}
core.WriteLog(core.LogTypeTask, logrus.InfoLevel, logrus.Fields{"project_id": projectId, "version": version, "server_id": serverId, "status": status}, fmt.Sprintf("删除任务"))
return true
}
func (t *Task) DetectionStatus() {
taskList := make([]core.B, 0)
//获取所有正在运行或者待运行的任务
core.Db.Select("t.id,t.job_id,t.project_name,t.status as task_status,t.version,t.spider_name,s.auth,s.username,s.password,s.status as server_status,s.host").Table("task").Alias("t").Join("INNER", "server as s", "t.server_id = s.id").Where("(t.status = ? or t.status = ?) and t.job_id<>\"\"", TaskStatusPending, TaskStatusRunning).Find(&taskList)
serverProjectList := make(map[string]core.B, 0)
serverProjectTaskList := make(map[string][]core.B, 0)
for _, task := range taskList {
key := fmt.Sprintf("%s_%s", task["host"], task["project_name"])
if _, exists := serverProjectList[key]; exists {
serverProjectTaskList[key] = append(serverProjectTaskList[key], core.B{"id": task["id"], "job_id": task["job_id"], "status": task["task_status"], "spider_name": task["spider_name"], "version": task["version"]})
} else {
serverProjectList[key] = core.B{"project_name": task["project_name"], "host": task["host"], "auth": task["auth"], "status": task["server_status"], "username": task["username"], "password": task["password"]}
serverProjectTaskList[key] = []core.B{{"id": task["id"], "job_id": task["job_id"], "status": task["task_status"], "spider_name": task["spider_name"], "version": task["version"]}}
}
}
updateTask := make([]core.B, 0)
var wg sync.WaitGroup
for k, sp := range serverProjectList {
wg.Add(1)
go func(k string, sp core.B) {
auth, _ := strconv.Atoi(sp["auth"])
scrapyd := Scrapyd{
Host: sp["host"],
Auth: uint8(auth),
Username: sp["username"],
Password: sp["password"],
}
taskStatusList := map[string]core.B{}
var (
err error
result map[string][]interface{}
)
//获取当前服务器任务列表
if err, result = scrapyd.ListJobs(sp["project_name"]); err == nil {
//遍历三个不同状态的任务列表
for _, v := range result["pending"] {
job := v.(map[string]interface{})
taskStatusList[job["id"].(string)] = core.B{
"status": TaskStatusPending,
}
}
for _, v := range result["running"] {
job := v.(map[string]interface{})
taskStatusList[job["id"].(string)] = core.B{
"status": TaskStatusRunning,
"start_time": job["start_time"].(string),
}
}
for _, v := range result["finished"] {
job := v.(map[string]interface{})
taskStatusList[job["id"].(string)] = core.B{
"status": TaskStatusFinished,
"start_time": job["start_time"].(string),
"end_time": job["end_time"].(string),
}
}
} else {
core.WriteLog(core.LogTypeTask, logrus.ErrorLevel, logrus.Fields{"host": sp["host"], "project_name": sp["project_name"]}, fmt.Sprintf("任务列表获取失败:%s", err))
}
for _, task := range serverProjectTaskList[k] {
if taskStatus, exists := taskStatusList[task["job_id"]]; exists {
if taskStatus["status"] != task["status"] {
//库中的状态和接口返回的状态不相符时则需要更新对应的状态
if taskStatus["status"] == TaskStatusPending {
updateTask = append(updateTask, core.B{
"id": task["id"],
"status": TaskStatusPending,
})
} else if taskStatus["status"] == TaskStatusRunning {
updateTask = append(updateTask, core.B{
"id": task["id"],
"status": TaskStatusRunning,
"start_time": strconv.Itoa(core.DateToTimestamp(taskStatus["start_time"])),
})
core.WriteLog(core.LogTypeTask, logrus.InfoLevel, logrus.Fields{"task_id": task["id"], "job_id": task["job_id"], "host": sp["host"], "project_name": sp["project_name"], "version": task["version"]}, "任务开始执行")
} else if taskStatus["status"] == TaskStatusFinished {
stt := core.DateToTimestamp(taskStatus["start_time"])
ett := core.DateToTimestamp(taskStatus["end_time"])
updateTask = append(updateTask, core.B{
"id": task["id"],
"status": TaskStatusFinished,
"start_time": strconv.Itoa(stt),
"end_time": strconv.Itoa(ett),
})
core.WriteLog(core.LogTypeTask, logrus.InfoLevel, logrus.Fields{"task_id": task["id"], "job_id": task["job_id"], "host": sp["host"], "project_name": sp["project_name"], "version": task["version"]}, "任务执行结束")
go noticeOptionsDispatch(NoticeOptionTaskFinished, core.B{
"title": core.NoticeSettings["task_finished_title"],
"content": core.NoticeSettings["task_finished_content"],
"job_id": task["job_id"],
"task_id": task["id"],
"host": sp["host"],
"project": sp["project_name"],
"version": task["version"],
"spider": task["spider_name"],
"start_time": core.FormatDateByString(strconv.Itoa(stt)),
"end_time": core.FormatDateByString(strconv.Itoa(ett)),
"duration_time": core.TimeDifference(stt, ett),
})
}
}
} else {
//如果出现异常且当前任务是待运行状态的话则跳过更新(scrapydt停止重新启动的话会保留之前待运行的任务)
if task["status"] == TaskStatusPending {
continue
}
updateTask = append(updateTask, core.B{
"id": task["id"],
"status": TaskStatusError,
"end_time": strconv.Itoa(int(time.Now().Unix())),
})
core.WriteLog(core.LogTypeTask, logrus.ErrorLevel, logrus.Fields{"task_id": task["id"], "job_id": task["job_id"], "host": sp["host"], "project_name": sp["project_name"], "version": task["version"]}, "任务状态异常")
errorMessage := "未知异常"
if err != nil {
errorMessage = err.Error()
}
go noticeOptionsDispatch(NoticeOptionTaskError, core.B{
"title": core.NoticeSettings["task_error_title"],
"content": core.NoticeSettings["task_error_content"],
"job_id": task["job_id"],
"task_id": task["id"],
"host": sp["host"],
"project": sp["project_name"],
"version": task["version"],
"spider": task["spider_name"],
"error_time": core.NowToDate(),
"error_message": errorMessage,
})
}
}
wg.Done()
}(k, sp)
}
wg.Wait()
if len(updateTask) > 0 {
if _, error := core.Db.Exec(core.JoinBatchUpdateSql("task", updateTask, "id")); error != nil {
core.WriteLog(core.LogTypeTask, logrus.ErrorLevel, nil, fmt.Sprintf("任务状态更新失败:%s", error))
}
}
}