-
Notifications
You must be signed in to change notification settings - Fork 81
/
controller.go
221 lines (199 loc) · 7.99 KB
/
controller.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
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
/*
Copyright 2022 The kubegems.io Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package controller
import (
"context"
"fmt"
"net"
"strconv"
"time"
loggingv1beta1 "github.com/banzaicloud/logging-operator/pkg/sdk/logging/api/v1beta1"
"github.com/go-logr/logr"
istioclinetworkingv1beta1 "istio.io/client-go/pkg/apis/networking/v1beta1"
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"
_ "k8s.io/client-go/plugin/pkg/client/auth/gcp"
nginxv1beta1 "kubegems.io/ingress-nginx-operator/api/v1beta1"
"kubegems.io/kubegems/pkg/apis/gems"
gemsv1beta1 "kubegems.io/kubegems/pkg/apis/gems/v1beta1"
gemscontroller "kubegems.io/kubegems/pkg/controller/controllers"
"kubegems.io/kubegems/pkg/controller/webhooks"
ctrl "sigs.k8s.io/controller-runtime"
"sigs.k8s.io/controller-runtime/pkg/healthz"
"sigs.k8s.io/controller-runtime/pkg/log/zap"
//+kubebuilder:scaffold:imports
)
var (
scheme = runtime.NewScheme()
setupLog = ctrl.Log.WithName("setup")
leaseDuration = 30 * time.Second
renewDeadline = 20 * time.Second
)
// nolint: gochecknoinits
func init() {
utilruntime.Must(clientgoscheme.AddToScheme(scheme))
utilruntime.Must(gemsv1beta1.AddToScheme(scheme))
utilruntime.Must(loggingv1beta1.AddToScheme(scheme))
utilruntime.Must(nginxv1beta1.SchemeBuilder.AddToScheme(scheme))
utilruntime.Must(istioclinetworkingv1beta1.SchemeBuilder.AddToScheme(scheme))
utilruntime.Must(apiextensionsv1.AddToScheme(scheme))
//+kubebuilder:scaffold:scheme
}
type Options struct {
MetricsAddr string `json:"metricsAddr,omitempty" description:"The address the metric endpoint binds to."`
ProbeAddr string `json:"probeAddr,omitempty" description:"The address the probe endpoint binds to."`
WebhookAddr string `json:"webhookAddr,omitempty" description:"The address the webhook endpoint binds to."`
EnableLeaderElection bool `json:"enableLeaderElection,omitempty" description:"Enable leader election for controller manager."`
Enablewebhook bool `json:"enablewebhook,omitempty" description:"Enable webhook for controller manager."`
Repository string `json:"repository,omitempty" description:"default image repo."`
}
func NewDefaultOptions() *Options {
return &Options{
WebhookAddr: ":9443",
MetricsAddr: ":9090",
ProbeAddr: ":8081",
EnableLeaderElection: false,
Enablewebhook: true,
Repository: "docker.io/kubegems/ingress-nginx-controller",
}
}
func Run(ctx context.Context, options *Options) error {
ctrl.SetLogger(zap.New(zap.UseDevMode(false)))
webhookHost, webhookPortStr, err := net.SplitHostPort(options.WebhookAddr)
if err != nil {
return fmt.Errorf("parse webhook address: %v", err)
}
webhookPort, err := strconv.Atoi(webhookPortStr)
if err != nil {
return fmt.Errorf("parse webhook port: %v", err)
}
mgr, err := ctrl.NewManager(ctrl.GetConfigOrDie(), ctrl.Options{
Scheme: scheme,
MetricsBindAddress: options.MetricsAddr,
Port: webhookPort,
Host: webhookHost,
HealthProbeBindAddress: options.ProbeAddr,
LeaseDuration: &leaseDuration,
RenewDeadline: &renewDeadline,
LeaderElection: options.EnableLeaderElection,
LeaderElectionID: gems.GroupName,
})
if err != nil {
setupLog.Error(err, "unable to create manager")
return err
}
// setup healthz
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
}
// setup controllers
if err := setupControllers(mgr, options, setupLog); err != nil {
return err
}
// setup webhooks
if options.Enablewebhook {
if err := setUpWebhook(mgr, setupLog, options.Repository); err != nil {
return err
}
}
go webhooks.CreateDefaultTenantGateway(mgr.GetClient(), ctrl.Log.WithName("create-default-tenant-gateway"))
setupLog.Info("starting manager")
if err := mgr.Start(ctx); err != nil {
setupLog.Error(err, "problem running manager")
return err
}
return nil
}
func setupControllers(mgr ctrl.Manager, options *Options, setupLog logr.Logger) error {
if err := (&gemscontroller.TenantReconciler{
Client: mgr.GetClient(), Scheme: mgr.GetScheme(),
Log: ctrl.Log.WithName("controllers").WithName("Tenant"),
Recorder: mgr.GetEventRecorderFor("Tenant"),
}).SetupWithManager(mgr); err != nil {
setupLog.Error(err, "unable to create controller", "controller", "Tenant")
return err
}
if err := (&gemscontroller.TenantResourceQuotaReconciler{
Client: mgr.GetClient(),
}).SetupWithManager(mgr); err != nil {
setupLog.Error(err, "unable to create controller", "controller", "TenantResourceQuota")
return err
}
if err := (&gemscontroller.TenantNetworkPolicyReconciler{
Client: mgr.GetClient(), Scheme: mgr.GetScheme(),
Log: ctrl.Log.WithName("controllers").WithName("TenantNetworkPolicy"),
Recorder: mgr.GetEventRecorderFor("TenantNetworkPolicy"),
}).SetupWithManager(mgr); err != nil {
setupLog.Error(err, "unable to create controller", "controller", "TenantNetworkPolicy")
return err
}
if err := (&gemscontroller.TenantGatewayReconciler{
Client: mgr.GetClient(), Scheme: mgr.GetScheme(),
Log: ctrl.Log.WithName("controllers").WithName("TenantGateway"),
Recorder: mgr.GetEventRecorderFor("TenantGateway"),
}).SetupWithManager(mgr); err != nil {
setupLog.Error(err, "unable to create controller", "controller", "TenantGateway")
return err
}
if err := (&gemscontroller.EnvironmentReconciler{
Client: mgr.GetClient(), Scheme: mgr.GetScheme(),
Log: ctrl.Log.WithName("controllers").WithName("Environment"),
Recorder: mgr.GetEventRecorderFor("Environment"),
}).SetupWithManager(mgr); err != nil {
setupLog.Error(err, "unable to create controller", "controller", "Environment")
return err
}
if err := (&gemscontroller.ServiceentryReconciler{
Client: mgr.GetClient(),
Log: ctrl.Log.WithName("controllers").WithName("ServiceEntry"),
}).SetupWithManager(mgr); err != nil {
return err
}
// Conditional Controllers 允许仅当crd存在时启动对应controller: https://github.com/kubernetes-sigs/controller-runtime/pull/1527
if err := (&gemscontroller.VirtuslspaceReconciler{
Client: mgr.GetClient(),
Log: ctrl.Log.WithName("controllers").WithName("Virtuslspace"),
}).SetupWithManager(mgr); err != nil {
return err
}
if err := (&gemscontroller.PluginStatusController{
Client: mgr.GetClient(),
Log: ctrl.Log.WithName("controllers").WithName("PluginStatus"),
}).SetupWithManager(mgr); err != nil {
return err
}
return nil
}
func setUpWebhook(mgr ctrl.Manager, setupLog logr.Logger, repo string) error {
setupLog.Info("registering webhooks")
// webhooks register handler
ws := mgr.GetWebhookServer()
c := mgr.GetClient()
validateLogger := ctrl.Log.WithName("validate-webhook")
validateHandler := webhooks.GetValidateHandler(&c, &validateLogger)
ws.Register("/validate", validateHandler)
mutateLogger := ctrl.Log.WithName("mutate-webhook")
mutateHandler := webhooks.GetMutateHandler(&c, &mutateLogger, repo)
ws.Register("/mutate", mutateHandler)
labelInjectorLogger := ctrl.Log.WithName("inject-label-mutate-webhook")
labelInjectorHandler := webhooks.GetLabelInjectorMutateHandler(&c, &labelInjectorLogger)
ws.Register("/label-injector", labelInjectorHandler)
return nil
}