/
main.go
132 lines (111 loc) · 3.48 KB
/
main.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
package main
import (
"flag"
"log"
"net/http"
"os"
"strconv"
"strings"
"time"
"github.com/AliyunContainerService/gpushare-scheduler-extender/pkg/gpushare"
"github.com/AliyunContainerService/gpushare-scheduler-extender/pkg/routes"
"github.com/AliyunContainerService/gpushare-scheduler-extender/pkg/scheduler"
"github.com/AliyunContainerService/gpushare-scheduler-extender/pkg/utils/signals"
"github.com/comail/colog"
"github.com/julienschmidt/httprouter"
kubeinformers "k8s.io/client-go/informers"
"k8s.io/client-go/kubernetes"
"k8s.io/client-go/tools/clientcmd"
)
const RecommendedKubeConfigPathEnv = "KUBECONFIG"
var (
clientset *kubernetes.Clientset
resyncPeriod = 30 * time.Second
clientConfig clientcmd.ClientConfig
)
func initKubeClient() {
kubeConfig := ""
if len(os.Getenv(RecommendedKubeConfigPathEnv)) > 0 {
// use the current context in kubeconfig
// This is very useful for running locally.
kubeConfig = os.Getenv(RecommendedKubeConfigPathEnv)
}
// Get kubernetes config.
restConfig, err := clientcmd.BuildConfigFromFlags("", kubeConfig)
if err != nil {
log.Fatalf("Error building kubeconfig: %s", err.Error())
}
// create the clientset
clientset, err = kubernetes.NewForConfig(restConfig)
if err != nil {
log.Fatalf("fatal: Failed to init rest config due to %v", err)
}
}
func main() {
// Call Parse() to avoid noisy logs
flag.CommandLine.Parse([]string{})
colog.SetDefaultLevel(colog.LInfo)
colog.SetMinLevel(colog.LInfo)
colog.SetFormatter(&colog.StdFormatter{
Colors: true,
Flag: log.Ldate | log.Ltime | log.Lshortfile,
})
colog.Register()
level := StringToLevel(os.Getenv("LOG_LEVEL"))
log.Print("Log level was set to ", strings.ToUpper(level.String()))
colog.SetMinLevel(level)
threadness := StringToInt(os.Getenv("THREADNESS"))
initKubeClient()
port := os.Getenv("PORT")
if _, err := strconv.Atoi(port); err != nil {
port = "39999"
}
// Set up signals so we handle the first shutdown signal gracefully.
stopCh := signals.SetupSignalHandler()
informerFactory := kubeinformers.NewSharedInformerFactory(clientset, resyncPeriod)
controller, err := gpushare.NewController(clientset, informerFactory, stopCh)
if err != nil {
log.Fatalf("Failed to start due to %v", err)
}
err = controller.BuildCache()
if err != nil {
log.Fatalf("Failed to start due to %v", err)
}
go controller.Run(threadness, stopCh)
gpusharePredicate := scheduler.NewGPUsharePredicate(clientset, controller.GetSchedulerCache())
gpushareBind := scheduler.NewGPUShareBind(clientset, controller.GetSchedulerCache())
gpushareInspect := scheduler.NewGPUShareInspect(controller.GetSchedulerCache())
router := httprouter.New()
routes.AddPProf(router)
routes.AddVersion(router)
routes.AddPredicate(router, gpusharePredicate)
routes.AddBind(router, gpushareBind)
routes.AddInspect(router, gpushareInspect)
log.Printf("info: server starting on the port :%s", port)
if err := http.ListenAndServe(":"+port, router); err != nil {
log.Fatal(err)
}
}
func StringToLevel(levelStr string) colog.Level {
switch level := strings.ToUpper(levelStr); level {
case "TRACE":
return colog.LTrace
case "DEBUG":
return colog.LDebug
case "INFO":
return colog.LInfo
case "WARNING":
return colog.LWarning
case "ERROR":
return colog.LError
case "ALERT":
return colog.LAlert
default:
log.Printf("warning: LOG_LEVEL=\"%s\" is empty or invalid, fallling back to \"INFO\".\n", level)
return colog.LInfo
}
}
func StringToInt(sThread string) int {
thread := 1
return thread
}