-
Notifications
You must be signed in to change notification settings - Fork 1.7k
/
config.go
122 lines (109 loc) · 3.31 KB
/
config.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
// Copyright 2020 The Operator-SDK Authors
//
// 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 operator
import (
"context"
"time"
v1 "github.com/operator-framework/api/pkg/operators/v1"
"github.com/operator-framework/api/pkg/operators/v1alpha1"
"github.com/spf13/pflag"
apiextv1 "k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/client-go/kubernetes/scheme"
"k8s.io/client-go/rest"
"k8s.io/client-go/tools/clientcmd"
"sigs.k8s.io/controller-runtime/pkg/client"
)
type Configuration struct {
Namespace string
ServiceAccount string
KubeconfigPath string
RESTConfig *rest.Config
Client client.Client
Scheme *runtime.Scheme
Timeout time.Duration
overrides *clientcmd.ConfigOverrides
}
func (c *Configuration) BindFlags(fs *pflag.FlagSet) {
if c.overrides == nil {
c.overrides = &clientcmd.ConfigOverrides{}
}
clientcmd.BindOverrideFlags(c.overrides, fs, clientcmd.ConfigOverrideFlags{
ContextOverrideFlags: clientcmd.ContextOverrideFlags{
Namespace: clientcmd.FlagInfo{
LongName: "namespace",
ShortName: "n",
Default: "",
Description: "If present, namespace scope for this CLI request",
},
},
})
fs.StringVar(&c.KubeconfigPath, "kubeconfig", "",
"Path to the kubeconfig file to use for CLI requests.")
fs.StringVar(&c.ServiceAccount, "service-account", "",
"Service account name to bind registry objects to. If unset, the default service account is used. "+
"This value does not override the operator's service account")
fs.DurationVar(&c.Timeout, "timeout", 2*time.Minute,
"Duration to wait for the command to complete before failing")
}
func (c *Configuration) Load() error {
if c.overrides == nil {
c.overrides = &clientcmd.ConfigOverrides{}
}
loadingRules := clientcmd.NewDefaultClientConfigLoadingRules()
loadingRules.ExplicitPath = c.KubeconfigPath
mergedConfig, err := loadingRules.Load()
if err != nil {
return err
}
cfg := clientcmd.NewDefaultClientConfig(*mergedConfig, c.overrides)
cc, err := cfg.ClientConfig()
if err != nil {
return err
}
ns, _, err := cfg.Namespace()
if err != nil {
return err
}
sch := scheme.Scheme
for _, f := range []func(*runtime.Scheme) error{
v1alpha1.AddToScheme,
v1.AddToScheme,
apiextv1.AddToScheme,
} {
if err := f(sch); err != nil {
return err
}
}
cl, err := client.New(cc, client.Options{
Scheme: sch,
})
if err != nil {
return err
}
c.Scheme = sch
c.Client = &operatorClient{cl}
if c.Namespace == "" {
c.Namespace = ns
}
c.RESTConfig = cc
return nil
}
type operatorClient struct {
client.Client
}
func (c *operatorClient) Create(ctx context.Context, obj client.Object, opts ...client.CreateOption) error {
opts = append(opts, client.FieldOwner("operator-sdk"))
return c.Client.Create(ctx, obj, opts...)
}