-
Notifications
You must be signed in to change notification settings - Fork 451
/
add.go
137 lines (120 loc) · 5.66 KB
/
add.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
// Copyright 2022 SAP SE or an SAP affiliate company. All rights reserved. This file is licensed under the Apache Software License, v. 2 except as noted otherwise in the LICENSE file
//
// 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"
corev1 "k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/util/wait"
"k8s.io/utils/clock"
"k8s.io/utils/pointer"
"sigs.k8s.io/controller-runtime/pkg/cluster"
"sigs.k8s.io/controller-runtime/pkg/manager"
v1beta1constants "github.com/gardener/gardener/pkg/apis/core/v1beta1/constants"
resourcesv1alpha1 "github.com/gardener/gardener/pkg/apis/resources/v1alpha1"
"github.com/gardener/gardener/pkg/client/kubernetes"
"github.com/gardener/gardener/pkg/client/kubernetes/clientmap"
"github.com/gardener/gardener/pkg/controller/tokenrequestor"
"github.com/gardener/gardener/pkg/gardenlet/apis/config"
"github.com/gardener/gardener/pkg/gardenlet/controller/backupbucket"
"github.com/gardener/gardener/pkg/gardenlet/controller/backupentry"
"github.com/gardener/gardener/pkg/gardenlet/controller/bastion"
"github.com/gardener/gardener/pkg/gardenlet/controller/controllerinstallation"
"github.com/gardener/gardener/pkg/gardenlet/controller/managedseed"
"github.com/gardener/gardener/pkg/gardenlet/controller/networkpolicy"
"github.com/gardener/gardener/pkg/gardenlet/controller/seed"
"github.com/gardener/gardener/pkg/gardenlet/controller/shoot"
"github.com/gardener/gardener/pkg/healthz"
gardenerutils "github.com/gardener/gardener/pkg/utils/gardener"
kubernetesutils "github.com/gardener/gardener/pkg/utils/kubernetes"
)
// AddToManager adds all gardenlet controllers to the given manager.
func AddToManager(
ctx context.Context,
mgr manager.Manager,
gardenletCancel context.CancelFunc,
gardenCluster cluster.Cluster,
seedCluster cluster.Cluster,
shootClientMap clientmap.ClientMap,
cfg *config.GardenletConfiguration,
healthManager healthz.Manager,
) error {
identity, err := gardenerutils.DetermineIdentity()
if err != nil {
return err
}
configMap := &corev1.ConfigMap{}
if err := gardenCluster.GetClient().Get(ctx, kubernetesutils.Key(metav1.NamespaceSystem, v1beta1constants.ClusterIdentity), configMap); err != nil {
return fmt.Errorf("failed getting cluster-identity ConfigMap in garden cluster: %w", err)
}
gardenClusterIdentity, ok := configMap.Data[v1beta1constants.ClusterIdentity]
if !ok {
return fmt.Errorf("cluster-identity ConfigMap data does not have %q key", v1beta1constants.ClusterIdentity)
}
seedClientSet, err := kubernetes.NewWithConfig(
kubernetes.WithRESTConfig(seedCluster.GetConfig()),
kubernetes.WithRuntimeAPIReader(seedCluster.GetAPIReader()),
kubernetes.WithRuntimeClient(seedCluster.GetClient()),
kubernetes.WithRuntimeCache(seedCluster.GetCache()),
)
if err != nil {
return fmt.Errorf("failed creating seed clientset: %w", err)
}
if err := (&backupbucket.Reconciler{
Config: *cfg.Controllers.BackupBucket,
SeedName: cfg.SeedConfig.Name,
}).AddToManager(ctx, mgr, gardenCluster, seedCluster); err != nil {
return fmt.Errorf("failed adding BackupBucket controller: %w", err)
}
if err := (&backupentry.Reconciler{
Config: *cfg.Controllers.BackupEntry,
SeedName: cfg.SeedConfig.Name,
}).AddToManager(ctx, mgr, gardenCluster, seedCluster); err != nil {
return fmt.Errorf("failed adding BackupEntry controller: %w", err)
}
if err := (&bastion.Reconciler{
Config: *cfg.Controllers.Bastion,
}).AddToManager(ctx, mgr, gardenCluster, seedCluster); err != nil {
return fmt.Errorf("failed adding Bastion controller: %w", err)
}
if err := controllerinstallation.AddToManager(ctx, mgr, gardenCluster, seedCluster, seedClientSet, *cfg, identity, gardenClusterIdentity); err != nil {
return fmt.Errorf("failed adding ControllerInstallation controller: %w", err)
}
if err := (&managedseed.Reconciler{
Config: *cfg,
ShootClientMap: shootClientMap,
}).AddToManager(ctx, mgr, gardenCluster, seedCluster); err != nil {
return fmt.Errorf("failed adding ManagedSeed controller: %w", err)
}
if err := networkpolicy.AddToManager(ctx, mgr, gardenletCancel, seedCluster, *cfg.Controllers.NetworkPolicy, cfg.SeedConfig.Spec.Networks, nil); err != nil {
return fmt.Errorf("failed adding NetworkPolicy controller: %w", err)
}
if err := seed.AddToManager(ctx, mgr, gardenCluster, seedCluster, seedClientSet, *cfg, identity, healthManager); err != nil {
return fmt.Errorf("failed adding Seed controller: %w", err)
}
if err := shoot.AddToManager(ctx, mgr, gardenCluster, seedCluster, seedClientSet, shootClientMap, *cfg, identity, gardenClusterIdentity); err != nil {
return fmt.Errorf("failed adding Shoot controller: %w", err)
}
if err := (&tokenrequestor.Reconciler{
ConcurrentSyncs: pointer.IntDeref(cfg.Controllers.TokenRequestor.ConcurrentSyncs, 0),
Clock: clock.RealClock{},
JitterFunc: wait.Jitter,
Class: pointer.String(resourcesv1alpha1.ResourceManagerClassGarden),
TargetNamespace: gardenerutils.ComputeGardenNamespace(cfg.SeedConfig.Name),
}).AddToManager(mgr, seedCluster, gardenCluster); err != nil {
return fmt.Errorf("failed adding token requestor controller: %w", err)
}
return nil
}