debt: remove goyaml. Fixup directives (#103)

go.mod

@@ -26,7 +26,6 @@ require (
 	github.com/testcontainers/testcontainers-go/modules/registry v0.32.0
 	github.com/theupdateframework/go-tuf/v2 v2.0.0
 	google.golang.org/api v0.189.0
-	gopkg.in/yaml.v3 v3.0.1
 	sigs.k8s.io/yaml v1.4.0
 )
 
@@ -200,5 +199,6 @@ require (
 	google.golang.org/protobuf v1.34.2 // indirect
 	gopkg.in/ini.v1 v1.67.0 // indirect
 	gopkg.in/yaml.v2 v2.4.0 // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
 	k8s.io/klog/v2 v2.120.1 // indirect
 )

pkg/config/config.go

@@ -7,7 +7,7 @@ import (
 	"regexp"
 
 	"github.com/docker/attest/pkg/tuf"
-	goyaml "gopkg.in/yaml.v3"
+	"sigs.k8s.io/yaml"
 )
 
 const (
@@ -24,7 +24,7 @@ func LoadLocalMappings(configDir string) (*PolicyMappings, error) {
 	if err != nil {
 		return nil, fmt.Errorf("failed to read local policy mapping file %s: %w", path, err)
 	}
-	err = goyaml.Unmarshal(mappingFile, mappings)
+	err = yaml.Unmarshal(mappingFile, mappings)
 	if err != nil {
 		return nil, fmt.Errorf("failed to unmarshal policy mapping file %s: %w", path, err)
 	}
@@ -42,7 +42,7 @@ func LoadTufMappings(tufClient tuf.TUFClient, localTargetsDir string) (*PolicyMa
 	}
 	mappings := &policyMappingsFile{}
 
-	err = goyaml.Unmarshal(fileContents, mappings)
+	err = yaml.Unmarshal(fileContents, mappings)
 	if err != nil {
 		return nil, fmt.Errorf("failed to unmarshal policy mapping file %s: %w", filename, err)
 	}

pkg/config/types.go

@@ -1,18 +1,20 @@
 package config
 
-import "regexp"
+import (
+	"regexp"
+)
 
 type policyMappingsFile struct {
-	Version  string            `yaml:"version"`
-	Kind     string            `yaml:"kind"`
-	Policies []*PolicyMapping  `yaml:"policies"`
-	Rules    []*policyRuleFile `yaml:"rules"`
+	Version  string            `json:"version"`
+	Kind     string            `json:"kind"`
+	Policies []*PolicyMapping  `json:"policies"`
+	Rules    []*policyRuleFile `json:"rules"`
 }
 
 type policyRuleFile struct {
-	Pattern     string `yaml:"pattern"`
-	PolicyId    string `yaml:"policy-id"`
-	Replacement string `yaml:"rewrite"`
+	Pattern     string `json:"pattern"`
+	PolicyId    string `json:"policy-id"`
+	Replacement string `json:"rewrite"`
 }
 
 type PolicyMappings struct {
@@ -30,19 +32,19 @@ const (
 )
 
 type PolicyMapping struct {
-	Id           string              `yaml:"id"`
-	Description  string              `yaml:"description"`
-	Files        []PolicyMappingFile `yaml:"files"`
-	Attestations *AttestationConfig  `yaml:"attestations"`
+	Id           string              `json:"id"`
+	Description  string              `json:"description"`
+	Files        []PolicyMappingFile `json:"files"`
+	Attestations *AttestationConfig  `json:"attestations"`
 }
 
 type AttestationConfig struct {
-	Style AttestationStyle `yaml:"style"`
-	Repo  string           `yaml:"repo"`
+	Style AttestationStyle `json:"style"`
+	Repo  string           `json:"repo"`
 }
 
 type PolicyMappingFile struct {
-	Path string `yaml:"path"`
+	Path string `json:"path"`
 }
 
 type PolicyRule struct {