-
Notifications
You must be signed in to change notification settings - Fork 11
/
app.go
225 lines (189 loc) · 9.03 KB
/
app.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
222
223
224
225
package app
import (
"context"
"fmt"
"os"
"path/filepath"
druidv1alpha1 "github.com/gardener/etcd-druid/api/v1alpha1"
v1 "k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/client-go/tools/leaderelection/resourcelock"
gardenerhealthz "github.com/gardener/gardener/pkg/healthz"
"github.com/metal-stack/gardener-extension-provider-metal/charts"
metalinstall "github.com/metal-stack/gardener-extension-provider-metal/pkg/apis/metal/install"
metalcmd "github.com/metal-stack/gardener-extension-provider-metal/pkg/cmd"
metalcontrolplane "github.com/metal-stack/gardener-extension-provider-metal/pkg/controller/controlplane"
"github.com/metal-stack/gardener-extension-provider-metal/pkg/controller/healthcheck"
metalinfrastructure "github.com/metal-stack/gardener-extension-provider-metal/pkg/controller/infrastructure"
metalworker "github.com/metal-stack/gardener-extension-provider-metal/pkg/controller/worker"
"github.com/metal-stack/gardener-extension-provider-metal/pkg/metal"
shootcontrolplanewebhook "github.com/metal-stack/gardener-extension-provider-metal/pkg/webhook/controlplane"
metalcontrolplaneexposure "github.com/metal-stack/gardener-extension-provider-metal/pkg/webhook/controlplaneexposure"
"github.com/gardener/gardener/extensions/pkg/controller"
controllercmd "github.com/gardener/gardener/extensions/pkg/controller/cmd"
"github.com/gardener/gardener/extensions/pkg/controller/controlplane/genericactuator"
"github.com/gardener/gardener/extensions/pkg/controller/worker"
"github.com/gardener/gardener/extensions/pkg/util"
webhookcmd "github.com/gardener/gardener/extensions/pkg/webhook/cmd"
"github.com/gardener/gardener/pkg/client/kubernetes"
"github.com/spf13/cobra"
"k8s.io/component-base/version/verflag"
"sigs.k8s.io/controller-runtime/pkg/client"
"sigs.k8s.io/controller-runtime/pkg/controller/controllerutil"
"sigs.k8s.io/controller-runtime/pkg/healthz"
"sigs.k8s.io/controller-runtime/pkg/manager"
)
// NewControllerManagerCommand creates a new command for running a Metal provider controller.
func NewControllerManagerCommand(ctx context.Context) *cobra.Command {
var (
generalOpts = &controllercmd.GeneralOptions{}
restOpts = &controllercmd.RESTOptions{}
mgrOpts = &controllercmd.ManagerOptions{
LeaderElection: true,
LeaderElectionResourceLock: resourcelock.LeasesResourceLock,
LeaderElectionID: controllercmd.LeaderElectionNameID(metal.Name),
LeaderElectionNamespace: os.Getenv("LEADER_ELECTION_NAMESPACE"),
WebhookServerPort: 443,
WebhookCertDir: "/tmp/gardener-extensions-cert",
HealthBindAddress: ":8081",
}
configFileOpts = &metalcmd.ConfigOptions{}
// options for the health care controller
healthCheckCtrlOpts = &controllercmd.ControllerOptions{
MaxConcurrentReconciles: 5,
}
// options for the infrastructure controller
infraCtrlOpts = &controllercmd.ControllerOptions{
MaxConcurrentReconciles: 5,
}
reconcileOpts = &controllercmd.ReconcilerOptions{}
// options for the controlplane controller
controlPlaneCtrlOpts = &controllercmd.ControllerOptions{
MaxConcurrentReconciles: 5,
}
// options for the worker controller
workerCtrlOpts = &controllercmd.ControllerOptions{
MaxConcurrentReconciles: 5,
}
workerReconcileOpts = &worker.Options{
DeployCRDs: true,
}
workerCtrlOptsUnprefixed = controllercmd.NewOptionAggregator(workerCtrlOpts, workerReconcileOpts)
controllerSwitches = metalcmd.ControllerSwitchOptions()
webhookServerOptions = &webhookcmd.ServerOptions{
Namespace: os.Getenv("WEBHOOK_CONFIG_NAMESPACE"),
}
webhookSwitches = metalcmd.WebhookSwitchOptions()
webhookOptions = webhookcmd.NewAddToManagerOptions(
metal.Name,
genericactuator.ShootWebhooksResourceName,
genericactuator.ShootWebhookNamespaceSelector(metal.Type),
webhookServerOptions,
webhookSwitches,
)
aggOption = controllercmd.NewOptionAggregator(
generalOpts,
restOpts,
mgrOpts,
controllercmd.PrefixOption("controlplane-", controlPlaneCtrlOpts),
controllercmd.PrefixOption("infrastructure-", infraCtrlOpts),
controllercmd.PrefixOption("healthcheck-", healthCheckCtrlOpts),
controllercmd.PrefixOption("worker-", &workerCtrlOptsUnprefixed),
configFileOpts,
reconcileOpts,
controllerSwitches,
webhookOptions,
)
)
cmd := &cobra.Command{
Use: fmt.Sprintf("%s-controller-manager", metal.Name),
RunE: func(cmd *cobra.Command, args []string) error {
verflag.PrintAndExitIfRequested()
if err := aggOption.Complete(); err != nil {
return fmt.Errorf("error completing options: %w", err)
}
util.ApplyClientConnectionConfigurationToRESTConfig(configFileOpts.Completed().Config.ClientConnection, restOpts.Completed().Config)
if workerReconcileOpts.Completed().DeployCRDs {
ca, err := kubernetes.NewChartApplierForConfig(restOpts.Completed().Config)
if err != nil {
return fmt.Errorf("error creating chart renderer: %w", err)
}
err = ca.ApplyFromEmbeddedFS(ctx, charts.InternalChart, filepath.Join("internal", "crds-firewall"), "", "crds-firewall")
if err != nil {
return fmt.Errorf("error applying crds-firewall chart: %w", err)
}
err = ca.ApplyFromEmbeddedFS(ctx, charts.InternalChart, filepath.Join("internal", "crds-storage"), "", "crds-storage")
if err != nil {
return fmt.Errorf("error applying crds-storage chart: %w", err)
}
c, err := client.New(restOpts.Completed().Config, client.Options{})
if err != nil {
return fmt.Errorf("error creating k8s client for firewall namespace deployment: %w", err)
}
// the firewall namespace needs to exist in order to be able to deploy the control plane chart properly
namespace := v1.Namespace{
ObjectMeta: metav1.ObjectMeta{
Name: "firewall",
},
}
if _, err := controllerutil.CreateOrUpdate(ctx, c, &namespace, func() error {
return nil
}); err != nil {
return fmt.Errorf("error ensuring the firewall namespace: %w", err)
}
}
mgr, err := manager.New(restOpts.Completed().Config, mgrOpts.Completed().Options())
if err != nil {
return fmt.Errorf("could not instantiate manager: %w", err)
}
scheme := mgr.GetScheme()
if err := controller.AddToScheme(scheme); err != nil {
return fmt.Errorf("could not update manager scheme: %w", err)
}
if err := metalinstall.AddToScheme(scheme); err != nil {
return fmt.Errorf("could not update manager scheme: %w", err)
}
if err := druidv1alpha1.AddToScheme(scheme); err != nil {
return fmt.Errorf("could not update manager scheme: %w", err)
}
configFileOpts.Completed().ApplyETCD(&metalcontrolplaneexposure.DefaultAddOptions.ETCD)
configFileOpts.Completed().ApplyMachineImages(&metalworker.DefaultAddOptions.MachineImages)
configFileOpts.Completed().ApplyControllerConfig(&metalcontrolplane.DefaultAddOptions.ControllerConfig)
configFileOpts.Completed().ApplyControllerConfig(&shootcontrolplanewebhook.DefaultAddOptions.ControllerConfig)
configFileOpts.Completed().ApplyControllerConfig(&healthcheck.DefaultAddOptions.ControllerConfig)
configFileOpts.Completed().ApplyControllerConfig(&metalworker.DefaultAddOptions.ControllerConfig)
configFileOpts.Completed().ApplyHealthCheckConfig(&healthcheck.DefaultAddOptions.HealthCheckDefaults.HealthCheckConfig)
controlPlaneCtrlOpts.Completed().Apply(&metalcontrolplane.DefaultAddOptions.Controller)
infraCtrlOpts.Completed().Apply(&metalinfrastructure.DefaultAddOptions.Controller)
healthCheckCtrlOpts.Completed().Apply(&healthcheck.DefaultAddOptions.HealthCheckDefaults.Controller)
reconcileOpts.Completed().Apply(&metalinfrastructure.DefaultAddOptions.IgnoreOperationAnnotation)
reconcileOpts.Completed().Apply(&metalcontrolplane.DefaultAddOptions.IgnoreOperationAnnotation)
reconcileOpts.Completed().Apply(&metalworker.DefaultAddOptions.IgnoreOperationAnnotation)
workerCtrlOpts.Completed().Apply(&metalworker.DefaultAddOptions.Controller)
atomicShootWebhookConfig, err := webhookOptions.Completed().AddToManager(ctx, mgr)
if err != nil {
return fmt.Errorf("could not add webhooks to manager: %w", err)
}
metalcontrolplane.DefaultAddOptions.ShootWebhooks = atomicShootWebhookConfig
if err := controllerSwitches.Completed().AddToManager(mgr); err != nil {
return fmt.Errorf("could not add controllers to manager: %w", err)
}
if err := mgr.AddReadyzCheck("informer-sync", gardenerhealthz.NewCacheSyncHealthz(mgr.GetCache())); err != nil {
return fmt.Errorf("could not add readycheck for informers: %w", err)
}
if err := mgr.AddHealthzCheck("ping", healthz.Ping); err != nil {
return fmt.Errorf("could not add health check to manager: %w", err)
}
if err := mgr.AddReadyzCheck("webhook-server", mgr.GetWebhookServer().StartedChecker()); err != nil {
return fmt.Errorf("could not add ready check for webhook server to manager: %w", err)
}
if err := mgr.Start(ctx); err != nil {
return fmt.Errorf("error running manager: %w", err)
}
return nil
},
}
verflag.AddFlags(cmd.Flags())
aggOption.AddFlags(cmd.Flags())
return cmd
}