-
Notifications
You must be signed in to change notification settings - Fork 462
/
add.go
137 lines (120 loc) · 5.51 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"
"github.com/Masterminds/semver/v3"
"k8s.io/apimachinery/pkg/util/wait"
kubernetesclientset "k8s.io/client-go/kubernetes"
"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"
"github.com/gardener/gardener/pkg/controller/tokenrequestor"
"github.com/gardener/gardener/pkg/resourcemanager/apis/config"
"github.com/gardener/gardener/pkg/resourcemanager/controller/csrapprover"
"github.com/gardener/gardener/pkg/resourcemanager/controller/garbagecollector"
"github.com/gardener/gardener/pkg/resourcemanager/controller/health"
"github.com/gardener/gardener/pkg/resourcemanager/controller/managedresource"
"github.com/gardener/gardener/pkg/resourcemanager/controller/networkpolicy"
"github.com/gardener/gardener/pkg/resourcemanager/controller/node"
"github.com/gardener/gardener/pkg/resourcemanager/controller/secret"
"github.com/gardener/gardener/pkg/resourcemanager/controller/tokeninvalidator"
resourcemanagerpredicate "github.com/gardener/gardener/pkg/resourcemanager/predicate"
)
// AddToManager adds all controllers to the given manager.
func AddToManager(ctx context.Context, mgr manager.Manager, sourceCluster, targetCluster cluster.Cluster, cfg *config.ResourceManagerConfiguration) error {
targetClientSet, err := kubernetesclientset.NewForConfig(targetCluster.GetConfig())
if err != nil {
return fmt.Errorf("failed creating Kubernetes client: %w", err)
}
targetServerVersion, err := targetClientSet.Discovery().ServerVersion()
if err != nil {
return err
}
targetKubernetesVersion, err := semver.NewVersion(targetServerVersion.GitVersion)
if err != nil {
return err
}
if cfg.Controllers.KubeletCSRApprover.Enabled {
if err := (&csrapprover.Reconciler{
CertificatesClient: targetClientSet.CertificatesV1().CertificateSigningRequests(),
Config: cfg.Controllers.KubeletCSRApprover,
}).AddToManager(mgr, sourceCluster, targetCluster); err != nil {
return fmt.Errorf("failed adding Kubelet CSR Approver controller: %w", err)
}
}
if cfg.Controllers.GarbageCollector.Enabled {
if err := (&garbagecollector.Reconciler{
Config: cfg.Controllers.GarbageCollector,
Clock: clock.RealClock{},
TargetKubernetesVersion: targetKubernetesVersion,
}).AddToManager(mgr, targetCluster); err != nil {
return fmt.Errorf("failed adding garbage collector controller: %w", err)
}
}
if err := health.AddToManager(ctx, mgr, sourceCluster, targetCluster, *cfg); err != nil {
return fmt.Errorf("failed adding health controller: %w", err)
}
if err := (&managedresource.Reconciler{
Config: cfg.Controllers.ManagedResource,
ClassFilter: resourcemanagerpredicate.NewClassFilter(*cfg.Controllers.ResourceClass),
ClusterID: *cfg.Controllers.ClusterID,
GarbageCollectorActivated: cfg.Controllers.GarbageCollector.Enabled,
}).AddToManager(ctx, mgr, sourceCluster, targetCluster); err != nil {
return fmt.Errorf("failed adding managed resource controller: %w", err)
}
if cfg.Controllers.NetworkPolicy.Enabled {
if err := (&networkpolicy.Reconciler{
Config: cfg.Controllers.NetworkPolicy,
}).AddToManager(ctx, mgr, targetCluster); err != nil {
return fmt.Errorf("failed adding networkpolicy controller: %w", err)
}
}
if err := (&secret.Reconciler{
Config: cfg.Controllers.Secret,
ClassFilter: resourcemanagerpredicate.NewClassFilter(*cfg.Controllers.ResourceClass),
}).AddToManager(ctx, mgr, sourceCluster); err != nil {
return fmt.Errorf("failed adding secret controller: %w", err)
}
if cfg.Controllers.TokenInvalidator.Enabled {
if err := (&tokeninvalidator.Reconciler{
Config: cfg.Controllers.TokenInvalidator,
}).AddToManager(ctx, mgr, targetCluster); err != nil {
return fmt.Errorf("failed adding token invalidator controller: %w", err)
}
}
if cfg.Controllers.TokenRequestor.Enabled {
if err := (&tokenrequestor.Reconciler{
ConcurrentSyncs: pointer.IntDeref(cfg.Controllers.TokenRequestor.ConcurrentSyncs, 0),
Clock: clock.RealClock{},
JitterFunc: wait.Jitter,
APIAudiences: []string{v1beta1constants.GardenerAudience},
// TODO(rfranzke): Uncomment the next line after v1.85 has been released.
// Class: pointer.String(resourcesv1alpha1.ResourceManagerClassShoot),
}).AddToManager(mgr, sourceCluster, targetCluster); err != nil {
return fmt.Errorf("failed adding token requestor controller: %w", err)
}
}
if cfg.Controllers.Node.Enabled {
if err := (&node.Reconciler{
Config: cfg.Controllers.Node,
}).AddToManager(mgr, targetCluster); err != nil {
return fmt.Errorf("failed adding node controller: %w", err)
}
}
return nil
}