Split data layer into separate files

pkg/dashboard/subproc/repos.go

@@ -0,0 +1,159 @@
+package subproc
+
+import (
+	"bytes"
+	"encoding/json"
+	"github.com/komodorio/helm-dashboard/pkg/dashboard/utils"
+	log "github.com/sirupsen/logrus"
+	"gopkg.in/yaml.v3"
+	"helm.sh/helm/v3/pkg/chart"
+	"strings"
+)
+
+func (d *DataLayer) ChartRepoList() (res []RepositoryElement, err error) {
+	out, err := d.Cache.String(CacheKeyAllRepos, nil, func() (string, error) {
+		return d.runCommandHelm("repo", "list", "--output", "json")
+	})
+	if err != nil {
+		return nil, err
+	}
+
+	err = json.Unmarshal([]byte(out), &res)
+	if err != nil {
+		return nil, err
+	}
+	return res, nil
+}
+
+func (d *DataLayer) ChartRepoAdd(name string, url string) (string, error) {
+	d.Cache.Invalidate(CacheKeyAllRepos)
+	out, err := d.runCommandHelm("repo", "add", "--force-update", name, url)
+	if err != nil {
+		return "", err
+	}
+
+	return out, nil
+}
+
+func (d *DataLayer) ChartRepoDelete(name string) (string, error) {
+	d.Cache.Invalidate(CacheKeyAllRepos)
+	out, err := d.runCommandHelm("repo", "remove", name)
+	if err != nil {
+		return "", err
+	}
+
+	return out, nil
+}
+
+func (d *DataLayer) ChartRepoUpdate(name string) error {
+	d.Cache.Invalidate(cacheTagRepoName(name), CacheKeyAllRepos)
+
+	cmd := []string{"repo", "update"}
+	if name != "" {
+		cmd = append(cmd, name)
+	}
+
+	_, err := d.runCommandHelm(cmd...)
+	return err
+}
+
+func (d *DataLayer) ChartRepoVersions(chartName string) (res []*RepoChartElement, err error) {
+	search := "/" + chartName + "\v"
+	if strings.Contains(chartName, "/") {
+		search = "\v" + chartName + "\v"
+	}
+
+	cmd := []string{"search", "repo", "--regexp", search, "--versions", "--output", "json"}
+	out, err := d.Cache.String(cacheTagRepoVers(chartName), []string{CacheKeyAllRepos}, func() (string, error) {
+		return d.runCommandHelm(cmd...)
+	})
+	if err != nil {
+		return nil, err
+	}
+
+	err = json.Unmarshal([]byte(out), &res)
+	if err != nil {
+		return nil, err
+	}
+	return res, nil
+}
+
+func (d *DataLayer) ChartRepoCharts(repoName string) (res []*RepoChartElement, err error) {
+	cmd := []string{"search", "repo", "--regexp", "\v" + repoName + "/", "--output", "json"}
+	out, err := d.Cache.String(cacheTagRepoCharts(repoName), []string{CacheKeyAllRepos}, func() (string, error) {
+		return d.runCommandHelm(cmd...)
+	})
+	if err != nil {
+		return nil, err
+	}
+
+	err = json.Unmarshal([]byte(out), &res)
+	if err != nil {
+		return nil, err
+	}
+
+	ins, err := d.ListInstalled()
+	if err != nil {
+		return nil, err
+	}
+
+	enrichRepoChartsWithInstalled(res, ins)
+
+	return res, nil
+}
+
+func enrichRepoChartsWithInstalled(charts []*RepoChartElement, installed []ReleaseElement) {
+	for _, rchart := range charts {
+		for _, rel := range installed {
+			c, _, err := utils.ChartAndVersion(rel.Chart)
+			if err != nil {
+				log.Warnf("Failed to parse chart: %s", err)
+				continue
+			}
+
+			pieces := strings.Split(rchart.Name, "/")
+			if pieces[1] == c {
+				// TODO: there can be more than one
+				rchart.InstalledNamespace = rel.Namespace
+				rchart.InstalledName = rel.Name
+			}
+		}
+	}
+}
+
+// ShowValues get values from repo chart, not from installed release
+func (d *DataLayer) ShowValues(chart string, ver string) (string, error) {
+	return d.Cache.String(CacheKeyRepoChartValues+"\v"+chart+"\v"+ver, nil, func() (string, error) {
+		return d.runCommandHelm("show", "values", chart, "--version", ver)
+	})
+}
+
+func (d *DataLayer) ShowChart(chartName string) ([]*chart.Metadata, error) { // TODO: add version parameter to method
+	out, err := d.Cache.String(CacheKeyShowChart+"\v"+chartName, []string{"chart\v" + chartName}, func() (string, error) {
+		return d.runCommandHelm("show", "chart", chartName)
+	})
+
+	if err != nil {
+		return nil, err
+	}
+
+	deccoder := yaml.NewDecoder(bytes.NewReader([]byte(out)))
+	res := make([]*chart.Metadata, 0)
+	var tmp interface{}
+
+	for deccoder.Decode(&tmp) == nil {
+		jsoned, err := json.Marshal(tmp)
+		if err != nil {
+			return nil, err
+		}
+
+		var resjson chart.Metadata
+		err = json.Unmarshal(jsoned, &resjson)
+		if err != nil {
+			return nil, err
+		}
+		res = append(res, &resjson)
+	}
+
+	return res, nil
+}