-
Notifications
You must be signed in to change notification settings - Fork 451
/
extension.go
130 lines (113 loc) · 4.54 KB
/
extension.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
// Copyright 2020 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 botanist
import (
"context"
"fmt"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/utils/pointer"
gardencorev1beta1 "github.com/gardener/gardener/pkg/apis/core/v1beta1"
extensionsv1alpha1 "github.com/gardener/gardener/pkg/apis/extensions/v1alpha1"
"github.com/gardener/gardener/pkg/component/extensions/extension"
)
// DefaultExtension creates the default deployer for the Extension custom resources.
func (b *Botanist) DefaultExtension(ctx context.Context) (extension.Interface, error) {
controllerRegistrations := &gardencorev1beta1.ControllerRegistrationList{}
if err := b.GardenClient.List(ctx, controllerRegistrations); err != nil {
return nil, err
}
extensions, err := mergeExtensions(controllerRegistrations.Items, b.Shoot.GetInfo().Spec.Extensions, b.Shoot.SeedNamespace, b.Shoot.IsWorkerless)
if err != nil {
return nil, fmt.Errorf("cannot calculate required extensions for shoot %s: %w", b.Shoot.GetInfo().Name, err)
}
return extension.New(
b.Logger,
b.SeedClientSet.Client(),
&extension.Values{
Namespace: b.Shoot.SeedNamespace,
Extensions: extensions,
},
extension.DefaultInterval,
extension.DefaultSevereThreshold,
extension.DefaultTimeout,
), nil
}
// DeployExtensionsAfterKubeAPIServer deploys the Extension custom resources and triggers the restore operation in case
// the Shoot is in the restore phase of the control plane migration.
func (b *Botanist) DeployExtensionsAfterKubeAPIServer(ctx context.Context) error {
if b.IsRestorePhase() {
return b.Shoot.Components.Extensions.Extension.RestoreAfterKubeAPIServer(ctx, b.Shoot.GetShootState())
}
return b.Shoot.Components.Extensions.Extension.DeployAfterKubeAPIServer(ctx)
}
// DeployExtensionsBeforeKubeAPIServer deploys the Extension custom resources and triggers the restore operation in case
// the Shoot is in the restore phase of the control plane migration.
func (b *Botanist) DeployExtensionsBeforeKubeAPIServer(ctx context.Context) error {
if b.IsRestorePhase() {
return b.Shoot.Components.Extensions.Extension.RestoreBeforeKubeAPIServer(ctx, b.Shoot.GetShootState())
}
return b.Shoot.Components.Extensions.Extension.DeployBeforeKubeAPIServer(ctx)
}
func mergeExtensions(registrations []gardencorev1beta1.ControllerRegistration, extensions []gardencorev1beta1.Extension, namespace string, workerlessShoot bool) (map[string]extension.Extension, error) {
var (
typeToExtension = make(map[string]extension.Extension)
requiredExtensions = make(map[string]extension.Extension)
)
// Extensions enabled by default for all Shoot clusters.
for _, reg := range registrations {
for _, res := range reg.Spec.Resources {
if res.Kind != extensionsv1alpha1.ExtensionResource {
continue
}
timeout := extension.DefaultTimeout
if res.ReconcileTimeout != nil {
timeout = res.ReconcileTimeout.Duration
}
typeToExtension[res.Type] = extension.Extension{
Extension: extensionsv1alpha1.Extension{
ObjectMeta: metav1.ObjectMeta{
Name: res.Type,
Namespace: namespace,
},
Spec: extensionsv1alpha1.ExtensionSpec{
DefaultSpec: extensionsv1alpha1.DefaultSpec{
Type: res.Type,
},
},
},
Timeout: timeout,
Lifecycle: res.Lifecycle,
}
if res.GloballyEnabled != nil && *res.GloballyEnabled {
if workerlessShoot && !pointer.BoolDeref(res.WorkerlessSupported, false) {
continue
}
requiredExtensions[res.Type] = typeToExtension[res.Type]
}
}
}
// Extensions defined in Shoot resource.
for _, extension := range extensions {
if obj, ok := typeToExtension[extension.Type]; ok {
if pointer.BoolDeref(extension.Disabled, false) {
delete(requiredExtensions, extension.Type)
continue
}
obj.Spec.ProviderConfig = extension.ProviderConfig
requiredExtensions[extension.Type] = obj
continue
}
}
return requiredExtensions, nil
}