abra/pkg/client/registry.go

package client

import (
	"context"
	"fmt"

	"github.com/containers/image/docker"
	"github.com/containers/image/types"
	"github.com/docker/distribution/reference"
)

// GetRegistryTags retrieves all tags of an image from a container registry.
func GetRegistryTags(img reference.Named) ([]string, error) {
	var tags []string

	ref, err := docker.ParseReference(fmt.Sprintf("//%s", img))
	if err != nil {
		return tags, fmt.Errorf("failed to parse image %s, saw: %s", img, err.Error())
	}

	ctx := context.Background()
	tags, err = docker.GetRepositoryTags(ctx, &types.SystemContext{}, ref)
	if err != nil {
		return tags, err
	}

	return tags, nil
}