feat(helm): use helm upgrade for install [r8s-258] (#568)

pkg/libhelm/sdk/common.go

@@ -0,0 +1,87 @@
+package sdk
+
+import (
+	"os"
+
+	"github.com/pkg/errors"
+	"github.com/rs/zerolog/log"
+	"helm.sh/helm/v3/pkg/action"
+	"helm.sh/helm/v3/pkg/chart"
+	"helm.sh/helm/v3/pkg/chart/loader"
+	"helm.sh/helm/v3/pkg/downloader"
+	"helm.sh/helm/v3/pkg/getter"
+)
+
+// loadAndValidateChartWithPathOptions locates and loads the chart, and validates it.
+// it also checks for chart dependencies and updates them if necessary.
+// it returns the chart information.
+func (hspm *HelmSDKPackageManager) loadAndValidateChartWithPathOptions(chartPathOptions *action.ChartPathOptions, chartName, repoURL string, dependencyUpdate bool, operation string) (*chart.Chart, error) {
+	// Locate and load the chart
+	chartPathOptions.RepoURL = repoURL
+	chartPath, err := chartPathOptions.LocateChart(chartName, hspm.settings)
+	if err != nil {
+		log.Error().
+			Str("context", "HelmClient").
+			Str("chart", chartName).
+			Err(err).
+			Msg("Failed to locate chart for helm " + operation)
+		return nil, errors.Wrapf(err, "failed to find the helm chart at the path: %s/%s", repoURL, chartName)
+	}
+
+	chartReq, err := loader.Load(chartPath)
+	if err != nil {
+		log.Error().
+			Str("context", "HelmClient").
+			Str("chart_path", chartPath).
+			Err(err).
+			Msg("Failed to load chart for helm " + operation)
+		return nil, errors.Wrap(err, "failed to load chart for helm "+operation)
+	}
+
+	// Check chart dependencies to make sure all are present in /charts
+	if chartDependencies := chartReq.Metadata.Dependencies; chartDependencies != nil {
+		if err := action.CheckDependencies(chartReq, chartDependencies); err != nil {
+			err = errors.Wrap(err, "failed to check chart dependencies for helm "+operation)
+			if !dependencyUpdate {
+				return nil, err
+			}
+
+			log.Debug().
+				Str("context", "HelmClient").
+				Str("chart", chartName).
+				Msg("Updating chart dependencies for helm " + operation)
+
+			providers := getter.All(hspm.settings)
+			manager := &downloader.Manager{
+				Out:              os.Stdout,
+				ChartPath:        chartPath,
+				Keyring:          chartPathOptions.Keyring,
+				SkipUpdate:       false,
+				Getters:          providers,
+				RepositoryConfig: hspm.settings.RepositoryConfig,
+				RepositoryCache:  hspm.settings.RepositoryCache,
+				Debug:            hspm.settings.Debug,
+			}
+			if err := manager.Update(); err != nil {
+				log.Error().
+					Str("context", "HelmClient").
+					Str("chart", chartName).
+					Err(err).
+					Msg("Failed to update chart dependencies for helm " + operation)
+				return nil, errors.Wrap(err, "failed to update chart dependencies for helm "+operation)
+			}
+
+			// Reload the chart with the updated Chart.lock file.
+			if chartReq, err = loader.Load(chartPath); err != nil {
+				log.Error().
+					Str("context", "HelmClient").
+					Str("chart_path", chartPath).
+					Err(err).
+					Msg("Failed to reload chart after dependency update for helm " + operation)
+				return nil, errors.Wrap(err, "failed to reload chart after dependency update for helm "+operation)
+			}
+		}
+	}
+
+	return chartReq, nil
+}