get_docker_tags_test.go

package src

import (
	"testing"

	"github.com/davecgh/go-spew/spew"
	"github.com/google/go-containerregistry/pkg/name"
	"github.com/google/go-containerregistry/pkg/v1/remote"
	"github.com/stretchr/testify/require"
)

func TestList(t *testing.T) {
	t.Run("jfrog", func(t *testing.T) {
		tags, err := ListDockerImages("jfrog.joom.it/docker-images/backend-api-test-base-runtime")
		require.NoError(t, err)
		spew.Dump(tags)
	})
	t.Run("nexus", func(t *testing.T) {
		tags, err := ListDockerImages("docker.joom.it/joom-search-elastic")
		require.NoError(t, err)
		spew.Dump(tags)
	})
	t.Run("dockerhub", func(t *testing.T) {
		tags, err := ListDockerImages("nginx")
		require.NoError(t, err)
		spew.Dump(tags)
	})
}

func ListDockerImages(imageName string) ([]string, error) {
	image, err := name.ParseReference(imageName)
	if err != nil {
		return nil, err
	}

	return remote.List(image.Context())
}