-
Notifications
You must be signed in to change notification settings - Fork 71
/
main.go
112 lines (94 loc) · 2.8 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
package main
import (
"crypto/tls"
"crypto/x509"
"fmt"
"io/ioutil"
"log"
"os"
"os/signal"
"syscall"
"time"
corev1 "k8s.io/api/core/v1"
"github.com/skupperproject/skupper/api/types"
"github.com/skupperproject/skupper/client"
"github.com/skupperproject/skupper/pkg/kube"
)
func describe(i interface{}) {
fmt.Printf("(%v, %T)\n", i, i)
fmt.Println()
}
var onlyOneSignalHandler = make(chan struct{})
var shutdownSignals = []os.Signal{os.Interrupt, syscall.SIGTERM}
func SetupSignalHandler() (stopCh <-chan struct{}) {
close(onlyOneSignalHandler) // panics when called twice
stop := make(chan struct{})
c := make(chan os.Signal, 2)
signal.Notify(c, shutdownSignals...)
go func() {
<-c
close(stop)
<-c
os.Exit(1) // second signal. Exit directly.
}()
return stop
}
func getTlsConfig(verify bool, cert, key, ca string) (*tls.Config, error) {
var config tls.Config
config.InsecureSkipVerify = true
if verify {
certPool := x509.NewCertPool()
file, err := ioutil.ReadFile(ca)
if err != nil {
return nil, err
}
certPool.AppendCertsFromPEM(file)
config.RootCAs = certPool
config.InsecureSkipVerify = false
}
_, errCert := os.Stat(cert)
_, errKey := os.Stat(key)
if errCert == nil || errKey == nil {
tlsCert, err := tls.LoadX509KeyPair(cert, key)
if err != nil {
log.Fatal("Could not load x509 key pair", err.Error())
}
config.Certificates = []tls.Certificate{tlsCert}
}
config.MinVersion = tls.VersionTLS10
return &config, nil
}
func main() {
origin := os.Getenv("SKUPPER_SERVICE_SYNC_ORIGIN")
namespace := os.Getenv("SKUPPER_NAMESPACE")
// set up signals so we handle the first shutdown signal gracefully
stopCh := SetupSignalHandler()
// todo, get context from env?
cli, err := client.NewClient(namespace, "", "")
if err != nil {
log.Fatal("Error getting van client", err.Error())
}
tlsConfig, err := getTlsConfig(true, types.ControllerConfigPath+"tls.crt", types.ControllerConfigPath+"tls.key", types.ControllerConfigPath+"ca.crt")
if err != nil {
log.Fatal("Error getting tls config", err.Error())
}
controller, err := NewController(cli, origin, tlsConfig)
if err != nil {
log.Fatal("Error getting new controller", err.Error())
}
log.Println("Waiting for Skupper transport to start")
pods, err := kube.GetDeploymentPods(types.TransportDeploymentName, namespace, cli.KubeClient)
if err != nil {
log.Fatal("Error getting transport deployment pods", err.Error())
}
for _, pod := range pods {
_, err := kube.WaitForPodStatus(namespace, cli.KubeClient, pod.Name, corev1.PodRunning, time.Second*180, time.Second*5)
if err != nil {
log.Fatal("Error waiting for skupper transport pod running status", err.Error())
}
}
// start the controller workers
if err = controller.Run(stopCh); err != nil {
log.Fatal("Error running controller: ", err.Error())
}
}