/
root.go
73 lines (58 loc) · 2.1 KB
/
root.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
package cmd
import (
"github.com/sirupsen/logrus"
log "github.com/sirupsen/logrus"
"github.com/spf13/cobra"
"github.com/spf13/viper"
ctrl "sigs.k8s.io/controller-runtime"
"github.com/clever-telemetry/miniloops/pkg"
"github.com/clever-telemetry/miniloops/pkg/client"
"github.com/clever-telemetry/miniloops/pkg/controllers"
"github.com/clever-telemetry/miniloops/pkg/logr"
)
func init() {
RootCmd.PersistentFlags().Int32P("log-level", "l", 4, "set logging level between 0 and 5")
if err := viper.BindPFlags(RootCmd.PersistentFlags()); nil != err {
log.WithError(err).Fatal("could not bind flags")
}
ctrl.SetLogger(logr.Logrus())
}
var RootCmd = &cobra.Command{
Use: "miniloops",
Run: rootCmdFn,
}
func rootCmdFn(cmd *cobra.Command, args []string) {
if viper.GetInt32("log-level") > 4 {
logrus.SetLevel(logrus.DebugLevel)
}
restConfig, err := ctrl.GetConfig()
if err != nil {
log.WithError(err).Fatal("cannot find kube configuration")
}
client.Set(restConfig)
restConfig.QPS = float32(viper.GetFloat64("kubernetes.client.qps"))
restConfig.Burst = viper.GetInt("kubernetes.client.burst")
logrus.Infof("kubernetes client config (QPS: %f, Burst: %d)", restConfig.QPS, restConfig.Burst)
mgr, err := ctrl.NewManager(restConfig, ctrl.Options{
Scheme: pkg.Scheme,
Logger: logr.Logrus(),
MetricsBindAddress: viper.GetString("manager.metrics.address"),
LeaderElection: false,
LeaderElectionNamespace: "kube-system",
LeaderElectionID: "miniloops-leader",
Host: viper.GetString("manager.address"),
Port: viper.GetInt("manager.port"),
})
if err != nil {
log.WithError(err).Fatal("cannot start manager")
}
client.EventRecorderFor = mgr.GetEventRecorderFor
// Register controllers
if err := controllers.Loops(mgr); err != nil {
log.WithError(err).Fatal("cannot setup loops controller")
}
log.Infof("start manager")
if err = mgr.Start(ctrl.SetupSignalHandler()); err != nil {
log.WithError(err).Fatal("manager error")
}
}