Shuffle around code and use rancher/apiserver

pkg/resources/helm/helm3.go

@@ -0,0 +1,132 @@
+package helm
+
+import (
+	"bytes"
+	"compress/gzip"
+	"encoding/base64"
+	"encoding/json"
+	"io/ioutil"
+	"strings"
+
+	"helm.sh/helm/v3/pkg/release"
+)
+
+func isHelm3(labels map[string]string) bool {
+	return labels["owner"] == "helm"
+}
+
+func fromHelm3Data(data string, isNamespaced IsNamespaced) (*Release, error) {
+	release, err := decodeHelm3(data)
+	if err != nil {
+		return nil, err
+	}
+
+	return fromHelm3ReleaseToRelease(release, isNamespaced)
+}
+
+func fromHelm3ReleaseToRelease(release *release.Release, isNamespaced IsNamespaced) (*Release, error) {
+	var (
+		info  = &Info{}
+		chart = &Chart{}
+		err   error
+	)
+
+	if release.Info != nil {
+		info = &Info{
+			FirstDeployed: release.Info.FirstDeployed.Time,
+			LastDeployed:  release.Info.LastDeployed.Time,
+			Deleted:       release.Info.Deleted.Time,
+			Description:   release.Info.Description,
+			Status:        Status(release.Info.Status),
+			Notes:         release.Info.Notes,
+		}
+	}
+
+	if release.Chart != nil {
+		chart = &Chart{
+			Values: release.Chart.Values,
+		}
+		if release.Chart.Metadata != nil {
+			chart.Metadata = &Metadata{
+				Name:        release.Chart.Metadata.Name,
+				Home:        release.Chart.Metadata.Home,
+				Sources:     release.Chart.Metadata.Sources,
+				Version:     release.Chart.Metadata.Version,
+				Description: release.Chart.Metadata.Description,
+				Keywords:    release.Chart.Metadata.Keywords,
+				Icon:        release.Chart.Metadata.Icon,
+				APIVersion:  release.Chart.Metadata.APIVersion,
+				Condition:   release.Chart.Metadata.Condition,
+				Tags:        release.Chart.Metadata.Tags,
+				AppVersion:  release.Chart.Metadata.AppVersion,
+				Deprecated:  release.Chart.Metadata.Deprecated,
+				Annotations: release.Chart.Metadata.Annotations,
+				KubeVersion: release.Chart.Metadata.KubeVersion,
+				Type:        release.Chart.Metadata.Type,
+			}
+
+			for _, m := range release.Chart.Metadata.Maintainers {
+				if m == nil {
+					continue
+				}
+				chart.Metadata.Maintainers = append(chart.Metadata.Maintainers, Maintainer{
+					Name:  m.Name,
+					Email: m.Email,
+					URL:   m.URL,
+				})
+			}
+		}
+
+		for _, f := range release.Chart.Files {
+			if f == nil {
+				continue
+			}
+			if readmes[strings.ToLower(f.Name)] {
+				info.Readme = string(f.Data)
+			}
+		}
+	}
+
+	hr := &Release{
+		Name:             release.Name,
+		Info:             info,
+		Chart:            chart,
+		Values:           release.Config,
+		Resources:        nil,
+		Version:          release.Version,
+		Namespace:        release.Namespace,
+		HelmMajorVersion: 3,
+	}
+
+	hr.Resources, err = resourcesFromManifest(release.Namespace, release.Manifest, isNamespaced)
+	return hr, err
+}
+
+func decodeHelm3(data string) (*release.Release, error) {
+	b, err := base64.StdEncoding.DecodeString(data)
+	if err != nil {
+		return nil, err
+	}
+
+	// For backwards compatibility with releases that were stored before
+	// compression was introduced we skip decompression if the
+	// gzip magic header is not found
+	if bytes.Equal(b[0:3], magicGzip) {
+		r, err := gzip.NewReader(bytes.NewReader(b))
+		if err != nil {
+			return nil, err
+		}
+		b2, err := ioutil.ReadAll(r)
+		if err != nil {
+			return nil, err
+		}
+		b = b2
+	}
+
+	var rls release.Release
+	// unmarshal release object bytes
+	if err := json.Unmarshal(b, &rls); err != nil {
+		return nil, err
+	}
+	return &rls, nil
+}