refactor: make common authn function

This commit is contained in:
mrjoelkamp
2024-06-18 11:55:30 -05:00
parent ff38975c76
commit 08e823e05b
6 changed files with 42 additions and 74 deletions

View File

@@ -5,15 +5,12 @@ import (
"log"
"os"
ecr "github.com/awslabs/amazon-ecr-credential-helper/ecr-login"
acr "github.com/chrismellard/docker-credential-acr-env/pkg/credhelper"
"github.com/docker/attest/internal/embed"
"github.com/docker/attest/pkg/oci"
"github.com/docker/attest/pkg/tuf"
"github.com/google/go-containerregistry/pkg/authn"
"github.com/google/go-containerregistry/pkg/name"
v1 "github.com/google/go-containerregistry/pkg/v1"
"github.com/google/go-containerregistry/pkg/v1/empty"
"github.com/google/go-containerregistry/pkg/v1/google"
"github.com/google/go-containerregistry/pkg/v1/layout"
"github.com/google/go-containerregistry/pkg/v1/remote"
)
@@ -34,15 +31,9 @@ func PushImageToRegistry(image v1.Image, imageName string) error {
if err != nil {
log.Fatalf("Failed to parse image name: %v", err)
}
// Create a multi-keychain that will use the default Docker, Google, ECR or ACR keychain
keychain := authn.NewMultiKeychain(
authn.DefaultKeychain,
google.Keychain,
authn.NewKeychainFromHelper(ecr.NewECRHelper()),
authn.NewKeychainFromHelper(acr.NewACRCredentialsHelper()),
)
// Push the image to the registry
return remote.Write(ref, image, remote.WithAuthFromKeychain(keychain))
return remote.Write(ref, image, oci.MultiKeychainOption())
}
func PushIndexToRegistry(image v1.ImageIndex, imageName string) error {
@@ -51,15 +42,8 @@ func PushIndexToRegistry(image v1.ImageIndex, imageName string) error {
if err != nil {
log.Fatalf("Failed to parse image name: %v", err)
}
// Create a multi-keychain that will use the default Docker, Google, ECR or ACR keychain
keychain := authn.NewMultiKeychain(
authn.DefaultKeychain,
google.Keychain,
authn.NewKeychainFromHelper(ecr.NewECRHelper()),
authn.NewKeychainFromHelper(acr.NewACRCredentialsHelper()),
)
// Push the index to the registry
return remote.WriteIndex(ref, image, remote.WithAuthFromKeychain(keychain))
return remote.WriteIndex(ref, image, oci.MultiKeychainOption())
}
func SaveImageAsOCILayout(image v1.Image, path string) error {

23
pkg/oci/authn.go Normal file
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@@ -0,0 +1,23 @@
package oci
import (
ecr "github.com/awslabs/amazon-ecr-credential-helper/ecr-login"
acr "github.com/chrismellard/docker-credential-acr-env/pkg/credhelper"
"github.com/google/go-containerregistry/pkg/authn"
"github.com/google/go-containerregistry/pkg/v1/google"
"github.com/google/go-containerregistry/pkg/v1/remote"
)
func MultiKeychainOption() remote.Option {
return remote.WithAuthFromKeychain(MultiKeychainAll())
}
func MultiKeychainAll() authn.Keychain {
// Create a multi-keychain that will use the default Docker, Google, ECR or ACR keychain
return authn.NewMultiKeychain(
authn.DefaultKeychain,
google.Keychain,
authn.NewKeychainFromHelper(ecr.NewECRHelper()),
authn.NewKeychainFromHelper(acr.NewACRCredentialsHelper()),
)
}

View File

@@ -6,15 +6,11 @@ import (
"fmt"
"strings"
ecr "github.com/awslabs/amazon-ecr-credential-helper/ecr-login"
acr "github.com/chrismellard/docker-credential-acr-env/pkg/credhelper"
"github.com/containerd/containerd/platforms"
"github.com/distribution/reference"
att "github.com/docker/attest/pkg/attestation"
"github.com/google/go-containerregistry/pkg/authn"
"github.com/google/go-containerregistry/pkg/name"
v1 "github.com/google/go-containerregistry/pkg/v1"
"github.com/google/go-containerregistry/pkg/v1/google"
"github.com/google/go-containerregistry/pkg/v1/layout"
"github.com/google/go-containerregistry/pkg/v1/remote"
"github.com/in-toto/in-toto-golang/in_toto/slsa_provenance/common"
@@ -245,6 +241,9 @@ func (r *ReferrersResolver) resolveAttestations(ctx context.Context) error {
return fmt.Errorf("failed to parse reference: %w", err)
}
subjectDigest, err := r.ImageDigest(ctx)
if err != nil {
return fmt.Errorf("failed to get image digest: %w", err)
}
var referrersSubjectRef name.Digest
if r.referrersRepo != "" {
@@ -459,14 +458,7 @@ func FetchAttestationManifest(ctx context.Context, image string, platform *v1.Pl
func WithOptions(ctx context.Context, platform *v1.Platform) []remote.Option {
// prepare options
// Create a multi-keychain that will use the default Docker, Google, ECR or ACR keychain
keychain := authn.NewMultiKeychain(
authn.DefaultKeychain,
google.Keychain,
authn.NewKeychainFromHelper(ecr.NewECRHelper()),
authn.NewKeychainFromHelper(acr.NewACRCredentialsHelper()),
)
options := []remote.Option{remote.WithAuthFromKeychain(keychain), remote.WithTransport(HttpTransport()), remote.WithContext(ctx)}
options := []remote.Option{MultiKeychainOption(), remote.WithTransport(HttpTransport()), remote.WithContext(ctx)}
// add in platform into remote Get operation; this might conflict with an explicit digest, but we are trying anyway
if platform != nil {

View File

@@ -4,12 +4,8 @@ import (
"fmt"
"log"
ecr "github.com/awslabs/amazon-ecr-credential-helper/ecr-login"
acr "github.com/chrismellard/docker-credential-acr-env/pkg/credhelper"
"github.com/google/go-containerregistry/pkg/authn"
"github.com/google/go-containerregistry/pkg/name"
v1 "github.com/google/go-containerregistry/pkg/v1"
"github.com/google/go-containerregistry/pkg/v1/google"
"github.com/google/go-containerregistry/pkg/v1/layout"
"github.com/google/go-containerregistry/pkg/v1/remote"
)
@@ -53,15 +49,8 @@ func SubjectIndexFromRemote(image string) (*SubjectIndex, error) {
if err != nil {
log.Fatalf("Failed to parse image name: %v", err)
}
// Create a multi-keychain that will use the default Docker, Google, ECR or ACR keychain
keychain := authn.NewMultiKeychain(
authn.DefaultKeychain,
google.Keychain,
authn.NewKeychainFromHelper(ecr.NewECRHelper()),
authn.NewKeychainFromHelper(acr.NewACRCredentialsHelper()),
)
// Pull the image from the registry
idx, err := remote.Index(ref, remote.WithAuthFromKeychain(keychain))
idx, err := remote.Index(ref, MultiKeychainOption())
if err != nil {
return nil, fmt.Errorf("failed to pull image %s: %w", image, err)
}

View File

@@ -10,12 +10,10 @@ import (
"strings"
"time"
ecr "github.com/awslabs/amazon-ecr-credential-helper/ecr-login"
acr "github.com/chrismellard/docker-credential-acr-env/pkg/credhelper"
"github.com/docker/attest/pkg/oci"
"github.com/google/go-containerregistry/pkg/authn"
"github.com/google/go-containerregistry/pkg/crane"
v1 "github.com/google/go-containerregistry/pkg/v1"
"github.com/google/go-containerregistry/pkg/v1/google"
"github.com/google/go-containerregistry/pkg/v1/types"
"github.com/theupdateframework/go-tuf/v2/metadata"
)
@@ -121,20 +119,13 @@ func (d *RegistryFetcher) getManifest(ref string) ([]byte, error) {
var err error
var found bool
var mf []byte
// Create a multi-keychain that will use the default Docker, Google, ECR or ACR keychain
keychain := authn.NewMultiKeychain(
authn.DefaultKeychain,
google.Keychain,
authn.NewKeychainFromHelper(ecr.NewECRHelper()),
authn.NewKeychainFromHelper(acr.NewACRCredentialsHelper()),
)
// Check cache for manifest and only pull if not found
if mf, found = d.cache.Get(ref); !found {
mf, err = crane.Manifest(ref,
crane.WithUserAgent(d.httpUserAgent),
crane.WithTransport(transportWithTimeout(d.timeout)),
crane.WithAuth(authn.Anonymous),
crane.WithAuthFromKeychain(keychain))
crane.WithAuthFromKeychain(oci.MultiKeychainAll()))
if err != nil {
return nil, err
}
@@ -154,7 +145,7 @@ func (d *RegistryFetcher) pullFileLayer(ref string, maxLength int64) ([]byte, er
crane.WithUserAgent(d.httpUserAgent),
crane.WithTransport(transportWithTimeout(d.timeout)),
crane.WithAuth(authn.Anonymous),
crane.WithAuthFromKeychain(authn.DefaultKeychain))
crane.WithAuthFromKeychain(oci.MultiKeychainAll()))
if err != nil {
return nil, err
}

View File

@@ -9,16 +9,13 @@ import (
"strings"
"testing"
ecr "github.com/awslabs/amazon-ecr-credential-helper/ecr-login"
acr "github.com/chrismellard/docker-credential-acr-env/pkg/credhelper"
"github.com/docker/attest/internal/embed"
"github.com/docker/attest/internal/util"
"github.com/google/go-containerregistry/pkg/authn"
"github.com/docker/attest/pkg/oci"
"github.com/google/go-containerregistry/pkg/crane"
"github.com/google/go-containerregistry/pkg/name"
v1 "github.com/google/go-containerregistry/pkg/v1"
"github.com/google/go-containerregistry/pkg/v1/empty"
"github.com/google/go-containerregistry/pkg/v1/google"
"github.com/google/go-containerregistry/pkg/v1/layout"
"github.com/google/go-containerregistry/pkg/v1/mutate"
"github.com/google/go-containerregistry/pkg/v1/remote"
@@ -371,22 +368,14 @@ func LoadRegistryTestData(t *testing.T, registry *url.URL, path string) {
TARGETS_REPO := "tuf-targets"
DELEGATED_ROLE := "test-role"
// Create a multi-keychain that will use the default Docker, Google, ECR or ACR keychain
keychain := authn.NewMultiKeychain(
authn.DefaultKeychain,
google.Keychain,
authn.NewKeychainFromHelper(ecr.NewECRHelper()),
authn.NewKeychainFromHelper(acr.NewACRCredentialsHelper()),
)
// push top-level metadata -> metadata:latest
err := LoadMetadata(filepath.Join(path, "metadata"), registry.Host, METADATA_REPO, METADATA_TAG, keychain)
err := LoadMetadata(filepath.Join(path, "metadata"), registry.Host, METADATA_REPO, METADATA_TAG)
if err != nil {
t.Fatal(err)
}
// push delegated metadata -> metadata:<DELEGATED_ROLE>
err = LoadMetadata(filepath.Join(path, "metadata", DELEGATED_ROLE), registry.Host, METADATA_REPO, DELEGATED_ROLE, keychain)
err = LoadMetadata(filepath.Join(path, "metadata", DELEGATED_ROLE), registry.Host, METADATA_REPO, DELEGATED_ROLE)
if err != nil {
t.Fatal(err)
}
@@ -418,13 +407,13 @@ func LoadRegistryTestData(t *testing.T, registry *url.URL, path string) {
if err != nil {
t.Fatal(err)
}
err = remote.Write(ref, img, remote.WithAuthFromKeychain(keychain))
err = remote.Write(ref, img, oci.MultiKeychainOption())
if err != nil {
t.Fatal(err)
}
} else if len(mf.Manifests) > 1 {
// delegated target
err = remote.WriteIndex(ref, tIdx, remote.WithAuthFromKeychain(keychain))
err = remote.WriteIndex(ref, tIdx, oci.MultiKeychainOption())
if err != nil {
t.Fatal(err)
}
@@ -435,7 +424,7 @@ func LoadRegistryTestData(t *testing.T, registry *url.URL, path string) {
}
// LoadMetadata loads TUF metadata from a local path and pushes to a registry
func LoadMetadata(path, host, repo, tag string, keychain authn.Keychain) error {
func LoadMetadata(path, host, repo, tag string) error {
mIdx, err := layout.ImageIndexFromPath(path)
if err != nil {
return err
@@ -452,5 +441,5 @@ func LoadMetadata(path, host, repo, tag string, keychain authn.Keychain) error {
if err != nil {
return err
}
return remote.Write(ref, img, remote.WithAuthFromKeychain(keychain))
return remote.Write(ref, img, oci.MultiKeychainOption())
}