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poc: direct bundle install API + implementation
Signed-off-by: Joe Lanford <joe.lanford@gmail.com>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,72 @@ | ||
| package resolve | ||
|
|
||
| import ( | ||
| "context" | ||
| "errors" | ||
| "fmt" | ||
| "path/filepath" | ||
|
|
||
| bsemver "github.com/blang/semver/v4" | ||
| "github.com/containers/image/v5/docker/reference" | ||
|
|
||
| "github.com/operator-framework/operator-registry/alpha/action" | ||
| "github.com/operator-framework/operator-registry/alpha/declcfg" | ||
|
|
||
| ocv1alpha1 "github.com/operator-framework/operator-controller/api/v1alpha1" | ||
| "github.com/operator-framework/operator-controller/internal/bundleutil" | ||
| "github.com/operator-framework/operator-controller/internal/rukpak/source" | ||
| ) | ||
|
|
||
| type BundleResolver struct { | ||
| Unpacker source.Unpacker | ||
| BrittleUnpackerCacheDir string | ||
| } | ||
|
|
||
| func (r *BundleResolver) Resolve(ctx context.Context, ext *ocv1alpha1.ClusterExtension, _ *ocv1alpha1.BundleMetadata) (*declcfg.Bundle, *bsemver.Version, *declcfg.Deprecation, error) { | ||
| res, err := r.Unpacker.Unpack(ctx, &source.BundleSource{ | ||
| Name: ext.Name, | ||
| Type: source.SourceTypeImage, | ||
| Image: &source.ImageSource{ | ||
| Ref: ext.Spec.Source.Bundle.Ref, | ||
| }, | ||
| }) | ||
| if err != nil { | ||
| return nil, nil, nil, err | ||
| } | ||
| if res.State != source.StateUnpacked { | ||
| return nil, nil, nil, fmt.Errorf("bundle not unpacked: %v", res.Message) | ||
| } | ||
|
|
||
| ref, err := reference.ParseNamed(res.ResolvedSource.Image.Ref) | ||
| if err != nil { | ||
| return nil, nil, nil, err | ||
| } | ||
| canonicalRef, ok := ref.(reference.Canonical) | ||
| if !ok { | ||
| return nil, nil, nil, errors.New("expected canonical reference") | ||
| } | ||
| bundlePath := filepath.Join(r.BrittleUnpackerCacheDir, ext.Name, canonicalRef.Digest().String()) | ||
|
|
||
| // TODO: This is a temporary workaround to get the bundle from the filesystem | ||
| // until the operator-registry library is updated to support reading from a | ||
| // filesystem. This will be removed once the library is updated. | ||
|
|
||
| render := action.Render{ | ||
| Refs: []string{bundlePath}, | ||
| AllowedRefMask: action.RefBundleDir, | ||
| } | ||
| fbc, err := render.Run(ctx) | ||
| if err != nil { | ||
| return nil, nil, nil, err | ||
| } | ||
| if len(fbc.Bundles) != 1 { | ||
| return nil, nil, nil, errors.New("expected exactly one bundle") | ||
| } | ||
| bundle := fbc.Bundles[0] | ||
| bundle.Image = canonicalRef.String() | ||
| v, err := bundleutil.GetVersion(bundle) | ||
| if err != nil { | ||
| return nil, nil, nil, err | ||
| } | ||
| return &bundle, v, nil, nil | ||
| } |
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