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Fix image pull auth for non-Docker Hub registries #458

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Merged
jchangx merged 3 commits into from
Mar 30, 2026
+11 −0
Merged

Fix image pull auth for non-Docker Hub registries #458

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c51fc88
Fix image pull auth for dhi.io registry
jchangx Mar 25, 2026
47b54b9
Fix image pull auth for non-Docker Hub registries
jchangx Mar 26, 2026
2fddfaf
Use Docker CLI's RetrieveAuthTokenFromImage for non-Hub registries
jchangx Mar 26, 2026
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2 changes: 2 additions & 0 deletions pkg/docker/client.go
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Original file line number Diff line number Diff line change
Expand Up @@ -38,10 +38,12 @@ type Client interface {

type dockerClient struct {
apiClient func() client.APIClient
cli command.Cli
}

func NewClient(cli command.Cli) Client {
return &dockerClient{
cli: cli,
apiClient: sync.OnceValue(func() client.APIClient {
_ = cli.Apply(func(cli *command.DockerCli) error {
if mobyClient, ok := cli.Client().(*client.Client); ok {
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9 changes: 9 additions & 0 deletions pkg/docker/images.go
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Expand Up @@ -11,6 +11,7 @@ import (

cerrdefs "github.com/containerd/errdefs"
"github.com/distribution/reference"
"github.com/docker/cli/cli/command"
"github.com/docker/docker/api/types/image"
"golang.org/x/sync/errgroup"
)
Expand Down Expand Up @@ -78,6 +79,14 @@ func (c *dockerClient) pullImage(ctx context.Context, imageName string, registry
var pullOptions image.PullOptions
if strings.HasPrefix(ref.Name(), "docker.io/") {
pullOptions.RegistryAuth = registryAuthFn()
} else if c.cli != nil {
// For non-Hub registries (e.g. dhi.io), resolve credentials from the
// Docker CLI credential store. This uses the same auth path as
// "docker pull" and works with any configured credential helper.
encodedAuth, err := command.RetrieveAuthTokenFromImage(c.cli.ConfigFile(), imageName)
if err == nil {
pullOptions.RegistryAuth = encodedAuth
}
}

response, err := c.apiClient().ImagePull(ctx, imageName, pullOptions)
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