cleanup: remove corev1 usage from credentials package

pkg/credentials/common/constants.go

@@ -0,0 +1,19 @@
+package common
+
+// Secret key constants used in credential files,
+// so as to avoid reliance on corev1.Secret.
+const (
+	BasicAuthUsernameKey          = "username"
+	BasicAuthPasswordKey          = "password"
+	SSHAuthPrivateKey             = "ssh-privatekey"
+	DockerConfigKey               = ".dockercfg"
+	DockerConfigJsonKey           = ".dockerconfigjson"
+	SecretTypeBasicAuth           = "kubernetes.io/basic-auth"
+	SecretTypeSSHAuth             = "kubernetes.io/ssh-auth"
+	SecretTypeDockerConfigJson    = "kubernetes.io/dockerconfigjson"
+	SecretTypeDockercfg           = "kubernetes.io/dockercfg"
+	SecretTypeServiceAccountToken = "kubernetes.io/service-account-token"
+	SecretTypeOpaque              = "kubernetes.io/opaque"
+	SecretTypeTLS                 = "kubernetes.io/tls"
+	SecretTypeBootstrapToken      = "kubernetes.io/bootstrap-token"
+)

pkg/credentials/dockercreds/creds.go

@@ -25,9 +25,9 @@ import (
 	"path/filepath"
 	"strings"
 
+	"github.com/tektoncd/pipeline/pkg/credentials/common"
 	credmatcher "github.com/tektoncd/pipeline/pkg/credentials/matcher"
 	credwriter "github.com/tektoncd/pipeline/pkg/credentials/writer"
-	corev1 "k8s.io/api/core/v1"
 )
 
 const annotationPrefix = "tekton.dev/docker-"
@@ -120,13 +120,13 @@ type entry struct {
 func newEntry(secret string) (*entry, error) {
 	secretPath := credmatcher.VolumeName(secret)
 
-	ub, err := os.ReadFile(filepath.Join(secretPath, corev1.BasicAuthUsernameKey))
+	ub, err := os.ReadFile(filepath.Join(secretPath, common.BasicAuthUsernameKey))
 	if err != nil {
 		return nil, err
 	}
 	username := string(ub)
 
-	pb, err := os.ReadFile(filepath.Join(secretPath, corev1.BasicAuthPasswordKey))
+	pb, err := os.ReadFile(filepath.Join(secretPath, common.BasicAuthPasswordKey))
 	if err != nil {
 		return nil, err
 	}
@@ -154,20 +154,20 @@ func NewBuilder() interface {
 // MatchingAnnotations extracts flags for the credential helper
 // from the supplied secret and returns a slice (of length 0 or
 // greater) of applicable domains.
-func (*basicDockerBuilder) MatchingAnnotations(secret *corev1.Secret) []string {
+func (*basicDockerBuilder) MatchingAnnotations(secret credmatcher.Secret) []string {
 	var flags []string
-	switch secret.Type {
-	case corev1.SecretTypeBasicAuth:
-		for _, v := range credwriter.SortAnnotations(secret.Annotations, annotationPrefix) {
-			flags = append(flags, fmt.Sprintf("-basic-docker=%s=%s", secret.Name, v))
+	switch credmatcher.GetSecretType(secret) {
+	case common.SecretTypeBasicAuth:
+		for _, v := range credwriter.SortAnnotations(secret.GetAnnotations(), annotationPrefix) {
+			flags = append(flags, fmt.Sprintf("-basic-docker=%s=%s", secret.GetName(), v))
 		}
-	case corev1.SecretTypeDockerConfigJson:
-		flags = append(flags, "-docker-config="+secret.Name)
-	case corev1.SecretTypeDockercfg:
-		flags = append(flags, "-docker-cfg="+secret.Name)
+	case common.SecretTypeDockerConfigJson:
+		flags = append(flags, "-docker-config="+secret.GetName())
+	case common.SecretTypeDockercfg:
+		flags = append(flags, "-docker-cfg="+secret.GetName())
 
-	case corev1.SecretTypeOpaque, corev1.SecretTypeServiceAccountToken, corev1.SecretTypeSSHAuth, corev1.SecretTypeTLS, corev1.SecretTypeBootstrapToken:
-		return flags
+	case common.SecretTypeOpaque, common.SecretTypeServiceAccountToken, common.SecretTypeSSHAuth, common.SecretTypeTLS, common.SecretTypeBootstrapToken:
+		fallthrough
 
 	default:
 		return flags
@@ -226,7 +226,7 @@ func (*basicDockerBuilder) Write(directory string) error {
 func authsFromDockerCfg(secret string) (map[string]entry, error) {
 	secretPath := credmatcher.VolumeName(secret)
 	m := make(map[string]entry)
-	data, err := os.ReadFile(filepath.Join(secretPath, corev1.DockerConfigKey))
+	data, err := os.ReadFile(filepath.Join(secretPath, common.DockerConfigKey))
 	if err != nil {
 		return m, err
 	}
@@ -238,7 +238,7 @@ func authsFromDockerConfig(secret string) (map[string]entry, error) {
 	secretPath := credmatcher.VolumeName(secret)
 	m := make(map[string]entry)
 	c := configFile{}
-	data, err := os.ReadFile(filepath.Join(secretPath, corev1.DockerConfigJsonKey))
+	data, err := os.ReadFile(filepath.Join(secretPath, common.DockerConfigJsonKey))
 	if err != nil {
 		return m, err
 	}

pkg/credentials/gitcreds/basic.go

@@ -23,8 +23,8 @@ import (
 	"path/filepath"
 	"strings"
 
+	"github.com/tektoncd/pipeline/pkg/credentials/common"
 	credmatcher "github.com/tektoncd/pipeline/pkg/credentials/matcher"
-	corev1 "k8s.io/api/core/v1"
 )
 
 // As the flag is read, this status is populated.
@@ -123,13 +123,13 @@ func (be *basicEntry) escapedUsername() string {
 func newBasicEntry(u, secret string) (*basicEntry, error) {
 	secretPath := credmatcher.VolumeName(secret)
 
-	ub, err := os.ReadFile(filepath.Join(secretPath, corev1.BasicAuthUsernameKey))
+	ub, err := os.ReadFile(filepath.Join(secretPath, common.BasicAuthUsernameKey))
 	if err != nil {
 		return nil, err
 	}
 	username := string(ub)
 
-	pb, err := os.ReadFile(filepath.Join(secretPath, corev1.BasicAuthPasswordKey))
+	pb, err := os.ReadFile(filepath.Join(secretPath, common.BasicAuthPasswordKey))
 	if err != nil {
 		return nil, err
 	}

pkg/credentials/gitcreds/creds.go

@@ -20,9 +20,9 @@ import (
 	"flag"
 	"fmt"
 
+	"github.com/tektoncd/pipeline/pkg/credentials/common"
 	credmatcher "github.com/tektoncd/pipeline/pkg/credentials/matcher"
 	credwriter "github.com/tektoncd/pipeline/pkg/credentials/writer"
-	corev1 "k8s.io/api/core/v1"
 )
 
 const (
@@ -42,10 +42,15 @@ func AddFlags(flagSet *flag.FlagSet) {
 }
 
 func flags(fs *flag.FlagSet) {
-	basicConfig = basicGitConfig{entries: make(map[string]basicEntry)}
+	basicConfig = basicGitConfig{
+		entries: make(map[string]basicEntry),
+		order:   []string{},
+	}
+	sshConfig = sshGitConfig{
+		entries: make(map[string][]sshEntry),
+		order:   []string{},
+	}
 	fs.Var(&basicConfig, basicAuthFlag, "List of secret=url pairs.")
-
-	sshConfig = sshGitConfig{entries: make(map[string][]sshEntry)}
 	fs.Var(&sshConfig, sshFlag, "List of secret=url pairs.")
 }
 
@@ -62,28 +67,29 @@ func NewBuilder() interface {
 // MatchingAnnotations extracts flags for the credential helper
 // from the supplied secret and returns a slice (of length 0 or
 // greater) of applicable domains.
-func (*gitBuilder) MatchingAnnotations(secret *corev1.Secret) []string {
+func (*gitBuilder) MatchingAnnotations(secret credmatcher.Secret) []string {
 	var flags []string
-	switch secret.Type {
-	case corev1.SecretTypeBasicAuth:
-		for _, v := range credwriter.SortAnnotations(secret.Annotations, annotationPrefix) {
-			flags = append(flags, fmt.Sprintf("-%s=%s=%s", basicAuthFlag, secret.Name, v))
+	switch credmatcher.GetSecretType(secret) {
+	case common.SecretTypeBasicAuth:
+		for _, v := range credwriter.SortAnnotations(secret.GetAnnotations(), annotationPrefix) {
+			flags = append(flags, fmt.Sprintf("-%s=%s=%s", basicAuthFlag, secret.GetName(), v))
 		}
 
-	case corev1.SecretTypeSSHAuth:
-		for _, v := range credwriter.SortAnnotations(secret.Annotations, annotationPrefix) {
-			flags = append(flags, fmt.Sprintf("-%s=%s=%s", sshFlag, secret.Name, v))
+	case common.SecretTypeSSHAuth:
+		for _, v := range credwriter.SortAnnotations(secret.GetAnnotations(), annotationPrefix) {
+			flags = append(flags, fmt.Sprintf("-%s=%s=%s", sshFlag, secret.GetName(), v))
 		}
 
-	case corev1.SecretTypeOpaque, corev1.SecretTypeServiceAccountToken, corev1.SecretTypeDockercfg, corev1.SecretTypeDockerConfigJson, corev1.SecretTypeTLS, corev1.SecretTypeBootstrapToken:
-		return flags
+	case common.SecretTypeOpaque, common.SecretTypeServiceAccountToken, common.SecretTypeDockercfg, common.SecretTypeDockerConfigJson, common.SecretTypeTLS, common.SecretTypeBootstrapToken:
+		fallthrough
 
 	default:
 		return flags
 	}
 	return flags
 }
 
+// Write writes the credentials to the provided directory.
 func (*gitBuilder) Write(directory string) error {
 	if err := basicConfig.Write(directory); err != nil {
 		return err

pkg/credentials/gitcreds/ssh.go

@@ -23,8 +23,8 @@ import (
 	"path/filepath"
 	"strings"
 
+	"github.com/tektoncd/pipeline/pkg/credentials/common"
 	credmatcher "github.com/tektoncd/pipeline/pkg/credentials/matcher"
-	corev1 "k8s.io/api/core/v1"
 )
 
 const sshKnownHosts = "known_hosts"
@@ -142,7 +142,7 @@ func (be *sshEntry) Write(sshDir string) error {
 func newSSHEntry(url, secretName string) (*sshEntry, error) {
 	secretPath := credmatcher.VolumeName(secretName)
 
-	pk, err := os.ReadFile(filepath.Join(secretPath, corev1.SSHAuthPrivateKey))
+	pk, err := os.ReadFile(filepath.Join(secretPath, common.SSHAuthPrivateKey))
 	if err != nil {
 		return nil, err
 	}

pkg/credentials/matcher/matcher.go

@@ -18,23 +18,43 @@ package matcher
 
 import (
 	"fmt"
-
-	corev1 "k8s.io/api/core/v1"
+	"reflect"
 )
 
 // VolumePath is the path where build secrets are written.
 // It is mutable and exported for testing.
 var VolumePath = "/tekton/creds-secrets"
 
+// Secret is the minimal interface needed for credential matching
+type Secret interface {
+	GetName() string
+	GetAnnotations() map[string]string
+}
+
 // Matcher is the interface for a credential initializer of any type.
 type Matcher interface {
 	// MatchingAnnotations extracts flags for the credential
 	// helper from the supplied secret and returns a slice (of
 	// length 0 or greater) of applicable domains.
-	MatchingAnnotations(secret *corev1.Secret) []string
+	MatchingAnnotations(secret Secret) []string
 }
 
 // VolumeName returns the full path to the secret, inside the VolumePath.
 func VolumeName(secretName string) string {
 	return fmt.Sprintf("%s/%s", VolumePath, secretName)
 }
+
+// GetSecretType returns secret type from secret interface using reflection
+func GetSecretType(secret Secret) string {
+	v := reflect.ValueOf(secret)
+	// If it's a pointer, unwrap it
+	if v.Kind() == reflect.Ptr {
+		v = v.Elem()
+	}
+	// Grab the field by name
+	f := v.FieldByName("Type")
+	if !f.IsValid() || !f.CanInterface() {
+		return ""
+	}
+	return fmt.Sprintf("%v", f.Interface())
+}