/
main.go
161 lines (142 loc) · 5.41 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
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
// SPDX-FileCopyrightText: 2023 SAP SE or an SAP affiliate company and IronCore contributors
// SPDX-License-Identifier: Apache-2.0
package main
import (
"context"
"crypto/tls"
"flag"
"net"
"net/http"
"os"
"time"
"connectrpc.com/connect"
"github.com/ironcore-dev/lifecycle-manager/lcmi/api/machine/v1alpha1/machinev1alpha1connect"
"github.com/ironcore-dev/lifecycle-manager/lcmi/api/machinetype/v1alpha1/machinetypev1alpha1connect"
oobv1alpha1 "github.com/ironcore-dev/oob/api/v1alpha1"
"golang.org/x/net/http2"
v1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"sigs.k8s.io/controller-runtime/pkg/healthz"
// Import all Kubernetes client auth plugins (e.g. Azure, GCP, OIDC, etc.)
// to ensure that exec-entrypoint and run can make use of them.
_ "k8s.io/client-go/plugin/pkg/client/auth"
"k8s.io/apimachinery/pkg/runtime"
utilruntime "k8s.io/apimachinery/pkg/util/runtime"
clientgoscheme "k8s.io/client-go/kubernetes/scheme"
ctrl "sigs.k8s.io/controller-runtime"
"sigs.k8s.io/controller-runtime/pkg/log/zap"
metricsserver "sigs.k8s.io/controller-runtime/pkg/metrics/server"
lifecyclev1alpha1 "github.com/ironcore-dev/lifecycle-manager/api/lifecycle/v1alpha1"
"github.com/ironcore-dev/lifecycle-manager/internal/controllers"
// +kubebuilder:scaffold:imports
)
var (
scheme = runtime.NewScheme()
setupLog = ctrl.Log.WithName("setup")
lcmiEndpoint = "http://lifecycle-service-svc:8080"
)
func init() {
utilruntime.Must(clientgoscheme.AddToScheme(scheme))
utilruntime.Must(lifecyclev1alpha1.AddToScheme(scheme))
utilruntime.Must(oobv1alpha1.AddToScheme(scheme))
// +kubebuilder:scaffold:scheme
}
func main() {
var metricsAddr string
var enableLeaderElection bool
var probeAddr string
var lcmiServiceAddr string
flag.StringVar(&lcmiServiceAddr, "lcmi-address", lcmiEndpoint, "The address lifecycle-service running on.")
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.")
opts := zap.Options{
Development: true,
}
opts.BindFlags(flag.CommandLine)
flag.Parse()
ctrl.SetLogger(zap.New(zap.UseFlagOptions(&opts)))
mgr, err := ctrl.NewManager(ctrl.GetConfigOrDie(), ctrl.Options{
Scheme: scheme,
Metrics: metricsserver.Options{BindAddress: metricsAddr},
HealthProbeBindAddress: probeAddr,
LeaderElection: enableLeaderElection,
LeaderElectionID: "86db2628.ironcore.dev",
})
if err != nil {
setupLog.Error(err, "unable to start manager")
os.Exit(1)
}
if err = setupControllers(mgr, lcmiServiceAddr); err != nil {
os.Exit(1)
}
if err = setupHandlers(mgr); err != nil {
os.Exit(1)
}
setupLog.Info("starting manager")
if err = mgr.Start(ctrl.SetupSignalHandler()); err != nil {
setupLog.Error(err, "problem running manager")
os.Exit(1)
}
}
func setupControllers(mgr ctrl.Manager, endpoint string) error {
httpClient := setupHTTPClient()
if err := (&controllers.MachineReconciler{
Client: mgr.GetClient(),
Scheme: mgr.GetScheme(),
Log: mgr.GetLogger().WithName("lifecycle-machine-controller"),
MachineServiceClient: setupMachineClient(endpoint, httpClient),
}).SetupWithManager(mgr); err != nil {
setupLog.Error(err, "unable to create controller", "controller", "Machine")
return err
}
if err := (&controllers.MachineTypeReconciler{
Client: mgr.GetClient(),
Scheme: mgr.GetScheme(),
Log: mgr.GetLogger().WithName("lifecycle-machinetype-controller"),
MachineTypeServiceClient: setupMachineTypeClient(endpoint, httpClient),
}).SetupWithManager(mgr); err != nil {
setupLog.Error(err, "unable to create controller", "controller", "MachineType")
return err
}
if err := (&controllers.OnboardingReconciler{
Client: mgr.GetClient(),
Log: mgr.GetLogger().WithName("lifecycle-onboarding-controller"),
Scheme: mgr.GetScheme(),
RequeuePeriod: time.Minute,
ScanPeriod: v1.Duration{Duration: time.Hour * 24},
}).SetupWithManager(mgr); err != nil {
setupLog.Error(err, "unable to create controller", "controller", "Onboarding")
return err
}
// +kubebuilder:scaffold:builder
return nil
}
func setupHandlers(mgr ctrl.Manager) error {
if err := mgr.AddHealthzCheck("healthz", healthz.Ping); err != nil {
setupLog.Error(err, "unable to set up health check")
return err
}
if err := mgr.AddReadyzCheck("readyz", healthz.Ping); err != nil {
setupLog.Error(err, "unable to set up ready check")
return err
}
return nil
}
func setupHTTPClient() *http.Client {
return &http.Client{
Transport: &http2.Transport{
AllowHTTP: true,
DialTLSContext: func(_ context.Context, network, addr string, _ *tls.Config) (net.Conn, error) {
return net.Dial(network, addr)
},
},
}
}
func setupMachineClient(endpoint string, cl *http.Client) machinev1alpha1connect.MachineServiceClient {
return machinev1alpha1connect.NewMachineServiceClient(cl, endpoint, connect.WithGRPC())
}
func setupMachineTypeClient(endpoint string, cl *http.Client) machinetypev1alpha1connect.MachineTypeServiceClient {
return machinetypev1alpha1connect.NewMachineTypeServiceClient(cl, endpoint, connect.WithGRPC())
}