/
shoot_builder.go
89 lines (77 loc) · 3.6 KB
/
shoot_builder.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
// Copyright (c) 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 builder
import (
"context"
"fmt"
baseconfig "k8s.io/component-base/config"
"github.com/gardener/gardener/pkg/client/kubernetes"
"github.com/gardener/gardener/pkg/client/kubernetes/clientmap"
"github.com/gardener/gardener/pkg/client/kubernetes/clientmap/internal"
"github.com/gardener/gardener/pkg/client/kubernetes/clientmap/keys"
)
// ShootClientMapBuilder can build a ClientMap which can be used to construct a ClientMap for requesting and storing
// clients for Shoot clusters.
type ShootClientMapBuilder struct {
gardenClientFunc func(ctx context.Context) (kubernetes.Interface, error)
seedClientFunc func(ctx context.Context, name string) (kubernetes.Interface, error)
clientConnectionConfig *baseconfig.ClientConnectionConfiguration
}
// NewShootClientMapBuilder constructs a new ShootClientMapBuilder.
func NewShootClientMapBuilder() *ShootClientMapBuilder {
return &ShootClientMapBuilder{}
}
// WithGardenClientMap sets the ClientMap that should be used to retrieve Garden clients.
func (b *ShootClientMapBuilder) WithGardenClientMap(clientMap clientmap.ClientMap) *ShootClientMapBuilder {
b.gardenClientFunc = func(ctx context.Context) (kubernetes.Interface, error) {
return clientMap.GetClient(ctx, keys.ForGarden())
}
return b
}
// WithGardenClientSet sets the ClientSet that should be used as the Garden client.
func (b *ShootClientMapBuilder) WithGardenClientSet(clientSet kubernetes.Interface) *ShootClientMapBuilder {
b.gardenClientFunc = func(ctx context.Context) (kubernetes.Interface, error) {
return clientSet, nil
}
return b
}
// WithSeedClientMap sets the ClientMap that should be used to retrieve Seed clients.
func (b *ShootClientMapBuilder) WithSeedClientMap(clientMap clientmap.ClientMap) *ShootClientMapBuilder {
b.seedClientFunc = func(ctx context.Context, name string) (kubernetes.Interface, error) {
return clientMap.GetClient(ctx, keys.ForSeedWithName(name))
}
return b
}
// WithClientConnectionConfig sets the ClientConnectionConfiguration that should be used by ClientSets created by this ClientMap.
func (b *ShootClientMapBuilder) WithClientConnectionConfig(cfg *baseconfig.ClientConnectionConfiguration) *ShootClientMapBuilder {
b.clientConnectionConfig = cfg
return b
}
// Build builds the ShootClientMap using the provided attributes.
func (b *ShootClientMapBuilder) Build() (clientmap.ClientMap, error) {
if b.gardenClientFunc == nil {
return nil, fmt.Errorf("garden client is required but not set")
}
if b.seedClientFunc == nil {
return nil, fmt.Errorf("seed client is required but not set")
}
if b.clientConnectionConfig == nil {
return nil, fmt.Errorf("clientConnectionConfig is required but not set")
}
return internal.NewShootClientMap(&internal.ShootClientSetFactory{
GetGardenClient: b.gardenClientFunc,
GetSeedClient: b.seedClientFunc,
ClientConnectionConfig: *b.clientConnectionConfig,
}), nil
}