-
Notifications
You must be signed in to change notification settings - Fork 245
/
payload.go
129 lines (112 loc) · 3.81 KB
/
payload.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
// Copyright © 2022 The Tekton 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 chain
import (
"context"
"fmt"
"github.com/spf13/cobra"
"github.com/tektoncd/chains/pkg/chains"
"github.com/tektoncd/chains/pkg/chains/objects"
"github.com/tektoncd/cli/pkg/actions"
"github.com/tektoncd/cli/pkg/chain"
"github.com/tektoncd/cli/pkg/cli"
"github.com/tektoncd/pipeline/pkg/apis/pipeline/v1beta1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
)
type PayloadOptions struct {
SkipVerify bool
}
func payloadCommand(p cli.Params) *cobra.Command {
opts := &PayloadOptions{}
c := &cobra.Command{
Use: "payload",
Short: "Print Tekton Chains' payload for a specific taskrun",
Annotations: map[string]string{
"commandType": "main",
},
Args: cobra.ExactArgs(1),
RunE: func(cmd *cobra.Command, args []string) error {
skipVerify, _ := cmd.LocalFlags().GetBool("skip-verify")
// Get the task name.
taskName := args[0]
chainsNamespace, err := cmd.Flags().GetString("chains-namespace")
if err != nil {
return fmt.Errorf("error: output option not set properly: %v", err)
}
// Get the Tekton clients.
cs, err := p.Clients()
if err != nil {
return fmt.Errorf("failed to create tekton client")
}
// Retrieve the taskrun.
var taskrun *v1beta1.TaskRun
if err = actions.GetV1(taskrunGroupResource, cs, taskName, p.Namespace(), metav1.GetOptions{}, &taskrun); err != nil {
return fmt.Errorf("failed to get TaskRun %s: %v", taskName, err)
}
return printPayloads(cs, chainsNamespace, taskrun, skipVerify)
},
}
c.Flags().BoolVarP(&opts.SkipVerify, "skip-verify", "S", opts.SkipVerify, "Skip verifying the payload'signature")
return c
}
func printPayloads(cs *cli.Clients, namespace string, tr *v1beta1.TaskRun, skipVerify bool) error {
// Get the storage backend.
backends, opts, err := chain.GetTaskRunBackends(cs, namespace, tr)
if err != nil {
return fmt.Errorf("failed to retrieve the backend storage: %v", err)
}
for _, backend := range backends {
// Some limitations occur when the backend is OCI.
if backend.Type() == "oci" {
// Cannot skip the verification since it is required when fetching the
// artifacts from the OCI registry.
if skipVerify {
return fmt.Errorf("verification is mandatory when the backend is OCI - remove the the `-S` flag from the command line and try again")
}
// The key must be fetched from the secrets.
opts.FullKey = fmt.Sprintf(x509Keypair, namespace)
}
// Fetch the payload.
trObj := objects.NewTaskRunObject(tr)
payloads, err := backend.RetrievePayloads(context.Background(), trObj, opts)
if err != nil {
return fmt.Errorf("error retrieving the payloads: %s", err)
}
if len(payloads) == 0 {
fmt.Printf("No payloads found for taskrun %s\n", tr.Name)
return nil
}
// Verify the payload signature.
if !skipVerify && backend.Type() != "oci" {
// Retrieve a context with the configuration.
ctx, err := chain.ConfigMapToContext(cs, namespace)
if err != nil {
return err
}
trv := chains.TaskRunVerifier{
KubeClient: cs.Kube,
Pipelineclientset: cs.Tekton,
SecretPath: "",
}
if err := trv.VerifyTaskRun(ctx, tr); err != nil {
return err
}
}
// Display the payload.
for _, payload := range payloads {
fmt.Println(payload)
}
}
return nil
}