add import yaml function

go.mod

@@ -1,8 +1,6 @@
 module github.com/wolfi-dev/wolfictl
 
-go 1.21.3
-
-toolchain go1.21.5
+go 1.21.7
 
 require (
 	chainguard.dev/apko v0.14.1-0.20240227175428-53cb29ff83c9

pkg/advisory/import.go

@@ -0,0 +1,63 @@
+package advisory
+
+import (
+	"bytes"
+	"context"
+	"fmt"
+	"os"
+	"path/filepath"
+
+	"gopkg.in/yaml.v3"
+
+	"github.com/wolfi-dev/wolfictl/pkg/configs"
+	v2 "github.com/wolfi-dev/wolfictl/pkg/configs/advisory/v2"
+	rwos "github.com/wolfi-dev/wolfictl/pkg/configs/rwfs/os"
+)
+
+// ImporAdvisoriesYAML import and yaml Advisories data and present as a config index struct
+func ImporAdvisoriesYAML(inputData string) (tempDir string, documents *configs.Index[v2.Document], err error) {
+	inputAdv, err := os.ReadFile(inputData)
+	if err != nil {
+		return "", nil, fmt.Errorf("unable to create output file: %v", err)
+	}
+
+	yamlDocs := bytes.Split(inputAdv, []byte("\n---\n"))
+	// Unmarshal YAML documents
+	var docs []v2.Document
+	for _, doc := range yamlDocs {
+		var pkg v2.Document
+		err = yaml.Unmarshal(doc, &pkg)
+		if err != nil {
+			return "", nil, fmt.Errorf("unable to unmarshall input file: %v", err)
+		}
+
+		docs = append(docs, pkg)
+	}
+
+	tempDir = os.TempDir()
+	for _, doc := range docs {
+		f, err := os.Create(filepath.Join(tempDir, fmt.Sprintf("%s.advisories.yaml", doc.Name())))
+		if err != nil {
+			return "", nil, fmt.Errorf("failed to create adv file: %v", err)
+		}
+
+		d, err := yaml.Marshal(doc)
+		if err != nil {
+			return "", nil, fmt.Errorf("failed to marshal package %q: %v", doc.Package.Name, err)
+		}
+		_, err = f.Write(d)
+		if err != nil {
+			return "", nil, fmt.Errorf("failed save data to file: %v", err)
+		}
+
+		f.Close()
+	}
+
+	advisoryFsys := rwos.DirFS(tempDir)
+	advisoryDocIndices, err := v2.NewIndex(context.Background(), advisoryFsys)
+	if err != nil {
+		return "", nil, fmt.Errorf("unable to index advisory configs for directory %q: %v", tempDir, err)
+	}
+
+	return tempDir, advisoryDocIndices, nil
+}

pkg/advisory/import_test.go

@@ -0,0 +1,37 @@
+package advisory
+
+import (
+	"context"
+	"testing"
+
+	"github.com/stretchr/testify/require"
+
+	v2 "github.com/wolfi-dev/wolfictl/pkg/configs/advisory/v2"
+	rwos "github.com/wolfi-dev/wolfictl/pkg/configs/rwfs/os"
+)
+
+func Test_ImportAdvisoriesYAML(t *testing.T) {
+	const testdataDir = "./testdata/export/advisories"
+
+	cases := []struct {
+		name            string
+		pathToInputData string
+	}{
+		{
+			name:            "test-yaml",
+			pathToInputData: "./testdata/export/expected.yaml",
+		},
+	}
+
+	for _, tt := range cases {
+		t.Run(tt.name, func(t *testing.T) {
+			advisoryFsys := rwos.DirFS(testdataDir)
+			advisoryDocs, err := v2.NewIndex(context.Background(), advisoryFsys)
+			require.NoError(t, err)
+
+			_, importedDocuments, err := ImporAdvisoriesYAML(tt.pathToInputData)
+			require.NoError(t, err)
+			require.Equal(t, advisoryDocs.Select().Len(), importedDocuments.Select().Len())
+		})
+	}
+}