generated from SAP/repository-template
-
Notifications
You must be signed in to change notification settings - Fork 0
/
main.go
103 lines (88 loc) · 3 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
/*
SPDX-FileCopyrightText: 2024 SAP SE or an SAP affiliate company and component-operator contributors
SPDX-License-Identifier: Apache-2.0
*/
package main
import (
"flag"
"os"
apiextensionsv1 "k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1"
"k8s.io/apimachinery/pkg/runtime"
utilruntime "k8s.io/apimachinery/pkg/util/runtime"
clientgoscheme "k8s.io/client-go/kubernetes/scheme"
apiregistrationv1 "k8s.io/kube-aggregator/pkg/apis/apiregistration/v1"
ctrl "sigs.k8s.io/controller-runtime"
"sigs.k8s.io/controller-runtime/pkg/client"
"sigs.k8s.io/controller-runtime/pkg/healthz"
"sigs.k8s.io/controller-runtime/pkg/log/zap"
metricsserver "sigs.k8s.io/controller-runtime/pkg/metrics/server"
"github.com/sap/component-operator/pkg/operator"
)
var (
scheme = runtime.NewScheme()
setupLog = ctrl.Log.WithName("setup")
)
func init() {
utilruntime.Must(clientgoscheme.AddToScheme(scheme))
utilruntime.Must(apiextensionsv1.AddToScheme(scheme))
utilruntime.Must(apiregistrationv1.AddToScheme(scheme))
operator.InitScheme(scheme)
}
func main() {
var metricsAddr string
var probeAddr string
var enableLeaderElection bool
flag.StringVar(&metricsAddr, "metrics-bind-address", ":8080",
"The address the metric endpoint binds to.")
flag.StringVar(&probeAddr, "health-probe-bind-address", ":8081",
"The address the probe endpoint binds to.")
flag.BoolVar(&enableLeaderElection, "leader-elect", false,
"Enable leader election for controller manager. Enabling this will ensure there is only one active controller manager.")
operator.InitFlags(flag.CommandLine)
opts := zap.Options{
Development: false,
}
opts.BindFlags(flag.CommandLine)
flag.Parse()
ctrl.SetLogger(zap.New(zap.UseFlagOptions(&opts)))
if err := operator.ValidateFlags(); err != nil {
setupLog.Error(err, "error validating command line flags")
os.Exit(1)
}
mgr, err := ctrl.NewManager(ctrl.GetConfigOrDie(), ctrl.Options{
Scheme: scheme,
Client: client.Options{
Cache: &client.CacheOptions{
DisableFor: append(operator.GetUncacheableTypes(), &apiextensionsv1.CustomResourceDefinition{}, &apiregistrationv1.APIService{}),
},
},
LeaderElection: enableLeaderElection,
LeaderElectionID: operator.GetName(),
LeaderElectionReleaseOnCancel: true,
Metrics: metricsserver.Options{
BindAddress: metricsAddr,
},
HealthProbeBindAddress: probeAddr,
})
if err != nil {
setupLog.Error(err, "unable to start manager")
os.Exit(1)
}
if err := operator.Setup(mgr); err != nil {
setupLog.Error(err, "error registering controller with manager")
os.Exit(1)
}
if err := mgr.AddHealthzCheck("healthz", healthz.Ping); err != nil {
setupLog.Error(err, "unable to set up health check")
os.Exit(1)
}
if err := mgr.AddReadyzCheck("readyz", healthz.Ping); err != nil {
setupLog.Error(err, "unable to set up ready check")
os.Exit(1)
}
setupLog.Info("starting manager")
if err := mgr.Start(ctrl.SetupSignalHandler()); err != nil {
setupLog.Error(err, "problem running manager")
os.Exit(1)
}
}