-
Notifications
You must be signed in to change notification settings - Fork 0
/
monitor_scheduling_queue.go
195 lines (160 loc) · 4.98 KB
/
monitor_scheduling_queue.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
package schedulingqueue
import (
"context"
"errors"
"time"
"github.com/go-redis/redis/v8"
"github.com/golang/glog"
"github.com/danenmao/pterergate-dtf/dtf/taskmodel"
"github.com/danenmao/pterergate-dtf/internal/redistool"
"github.com/danenmao/pterergate-dtf/internal/routine"
"github.com/danenmao/pterergate-dtf/internal/taskframework/tasklogic/tasklogicdef"
"github.com/danenmao/pterergate-dtf/internal/tasktool"
)
// 调度中任务队列
const CurrentTaskZSet = "current.task.list"
const DefaultCurrentTaskTimeout = time.Minute
const CheckCurrentTaskInterval = time.Duration(10) * time.Second
// 添加到调度中任务队列
func AddToCurrentTaskList(taskId taskmodel.TaskIdType) {
timeout := time.Now().Add(DefaultCurrentTaskTimeout).Unix()
cmd := redistool.DefaultRedis().ZAdd(context.Background(), CurrentTaskZSet, &redis.Z{
Score: float64(timeout),
Member: taskId,
})
err := cmd.Err()
if err != nil {
glog.Warning("failed to add task to current task list: ", taskId, ", err:", err)
}
glog.Info("added task to current task list: ", taskId)
}
// 添加到调度中任务队列
func AddListToCurrentTaskList(taskList []taskmodel.TaskIdType) {
if len(taskList) <= 0 {
return
}
timeout := time.Now().Add(DefaultCurrentTaskTimeout).Unix()
zlist := []*redis.Z{}
for _, taskId := range taskList {
zlist = append(zlist, &redis.Z{
Score: float64(timeout),
Member: taskId,
})
}
cmd := redistool.DefaultRedis().ZAdd(context.Background(), CurrentTaskZSet, zlist...)
err := cmd.Err()
if err != nil {
glog.Warning("failed to add task to current task list: ", taskList, ", err:", err)
}
}
// 从当前任务列表中删除任务
func RemoveFromCurrentTaskList(taskId taskmodel.TaskIdType, pipeline redis.Pipeliner) {
pipeline.ZRem(context.Background(), CurrentTaskZSet, taskId)
}
// 从当前任务列表中删除任务
func RemoveFromCurrentTaskListDirectly(taskId taskmodel.TaskIdType) {
redistool.DefaultRedis().ZRem(context.Background(), CurrentTaskZSet, taskId)
}
// 从当前任务列表中删除任务
func RemoveListFromCurrentTaskList(taskIdList []interface{}, pipeline redis.Pipeliner) {
pipeline.ZRem(context.Background(), CurrentTaskZSet, taskIdList...)
}
// 协程 <<go_monitor_current_task>>
func MonitorCurrentTaskRoutine() {
routine.ExecRoutineWithInterval(
"MonitorCurrentTaskRoutine",
monitorCurrentTask,
CheckCurrentTaskInterval,
)
}
// 监控调度中的当前任务
func monitorCurrentTask() {
// 取已完成的子任务
var taskList = []uint64{}
err := getLostTask(&taskList)
if err != nil {
glog.Warning("failed to get lost tasks: ", err)
return
}
if len(taskList) <= 0 {
return
}
// 处理已完成的子任务
err = repairLostTaskList(&taskList)
if err != nil {
glog.Warning("failed to process lost tasks: ", taskList, ", err: ", err)
return
}
}
// 获取在调度中丢失的任务
func getLostTask(retTaskList *[]uint64) error {
if retTaskList == nil {
panic("invalid taskList pointer")
}
// 从current_task_list中取超时的子任务
taskList := []uint64{}
err := redistool.GetTimeoutElements(CurrentTaskZSet, 100, &taskList)
if err != nil {
glog.Warning("failed to get lost task from redis: ", err)
return err
}
// 如果列表为空,表示没有丢失的任务
if len(taskList) == 0 {
return nil
}
ownedTaskList := []uint64{}
err = redistool.TryToOwnElements(CurrentTaskZSet, &taskList, &ownedTaskList)
if err != nil {
glog.Warning("failed to own lost task: ", taskList)
return err
}
if len(ownedTaskList) <= 0 {
return nil
}
*retTaskList = append(*retTaskList, ownedTaskList...)
glog.Info("got lost tasks: ", *retTaskList)
return nil
}
// 修复丢失中的任务
func repairLostTaskList(taskList *[]uint64) error {
if taskList == nil {
panic("invalid taskList pointer")
}
if len(*taskList) <= 0 {
return nil
}
pipeline := redistool.DefaultRedis().Pipeline()
for _, taskId := range *taskList {
repairLostTask(taskId, pipeline)
}
// 执行pipeline
_, err := pipeline.Exec(context.Background())
if err != nil {
glog.Warning("failed to exec repiar lost task pipeline: ", taskList, ", err:", err)
return err
}
return nil
}
// 修改丢失的任务
func repairLostTask(taskId uint64, pipeline redis.Pipeliner) error {
// 读取任务的调度数据
data := tasklogicdef.TaskScheduleData{}
err := tasktool.GetTaskScheduleData(taskmodel.TaskIdType(taskId), &data)
if err != nil {
glog.Warning("failed to get task schedule data while repair task: ", taskId, ",", err)
return err
}
if len(data.CurrentQueueKeyName) <= 0 {
glog.Warning("empty CurrentQueueKeyName: ", taskId)
return errors.New("empty CurrentQueueKeyName")
}
// 将任务追加到原调度队列尾部
cmd := pipeline.RPush(context.Background(), data.CurrentQueueKeyName, uint64(taskId))
err = cmd.Err()
if err != nil {
glog.Warning("failed to append lost task to queue key: ", taskId, ", ", err)
return err
}
glog.Info("succeeded to append lost task to queue key: ", taskId, ",", data.CurrentQueueKeyName)
return nil
}