/
registry.go
101 lines (88 loc) · 3.49 KB
/
registry.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
// Copyright 2021 The Sigstore 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 options
import (
"context"
"crypto/tls"
"io"
"net/http"
ecr "github.com/awslabs/amazon-ecr-credential-helper/ecr-login"
"github.com/chrismellard/docker-credential-acr-env/pkg/credhelper"
"github.com/google/go-containerregistry/pkg/authn"
"github.com/google/go-containerregistry/pkg/authn/github"
"github.com/google/go-containerregistry/pkg/name"
"github.com/google/go-containerregistry/pkg/v1/google"
"github.com/google/go-containerregistry/pkg/v1/remote"
alibabaacr "github.com/mozillazg/docker-credential-acr-helper/pkg/credhelper"
ociremote "github.com/sigstore/cosign/pkg/oci/remote"
"github.com/spf13/cobra"
)
// Keychain is an alias of authn.Keychain to expose this configuration option to consumers of this lib
type Keychain = authn.Keychain
// RegistryOptions is the wrapper for the registry options.
type RegistryOptions struct {
AllowInsecure bool
KubernetesKeychain bool
RefOpts ReferenceOptions
Keychain Keychain
}
var _ Interface = (*RegistryOptions)(nil)
// AddFlags implements Interface
func (o *RegistryOptions) AddFlags(cmd *cobra.Command) {
cmd.Flags().BoolVar(&o.AllowInsecure, "allow-insecure-registry", false,
"whether to allow insecure connections to registries. Don't use this for anything but testing")
cmd.Flags().BoolVar(&o.KubernetesKeychain, "k8s-keychain", false,
"whether to use the kubernetes keychain instead of the default keychain (supports workload identity).")
o.RefOpts.AddFlags(cmd)
}
func (o *RegistryOptions) ClientOpts(ctx context.Context) ([]ociremote.Option, error) {
opts := []ociremote.Option{ociremote.WithRemoteOptions(o.GetRegistryClientOpts(ctx)...)}
if o.RefOpts.TagPrefix != "" {
opts = append(opts, ociremote.WithPrefix(o.RefOpts.TagPrefix))
}
targetRepoOverride, err := ociremote.GetEnvTargetRepository()
if err != nil {
return nil, err
}
if (targetRepoOverride != name.Repository{}) {
opts = append(opts, ociremote.WithTargetRepository(targetRepoOverride))
}
return opts, nil
}
func (o *RegistryOptions) GetRegistryClientOpts(ctx context.Context) []remote.Option {
opts := []remote.Option{
remote.WithContext(ctx),
remote.WithUserAgent(UserAgent()),
}
switch {
case o.Keychain != nil:
opts = append(opts, remote.WithAuthFromKeychain(o.Keychain))
case o.KubernetesKeychain:
kc := authn.NewMultiKeychain(
authn.DefaultKeychain,
google.Keychain,
authn.NewKeychainFromHelper(ecr.NewECRHelper(ecr.WithLogger(io.Discard))),
authn.NewKeychainFromHelper(credhelper.NewACRCredentialsHelper()),
authn.NewKeychainFromHelper(alibabaacr.NewACRHelper().WithLoggerOut(io.Discard)),
github.Keychain,
)
opts = append(opts, remote.WithAuthFromKeychain(kc))
default:
opts = append(opts, remote.WithAuthFromKeychain(authn.DefaultKeychain))
}
if o.AllowInsecure {
opts = append(opts, remote.WithTransport(&http.Transport{TLSClientConfig: &tls.Config{InsecureSkipVerify: true}})) // #nosec G402
}
return opts
}