func()

in internal/generators/helm.go [239:299]
49 lines of code
16 McCabe index (conditional complexity)

func (hg *HelmGenerator) Install(c *core.Component) (err error) {
	// Install the chart
	if (c.Method == "helm" || c.Method == "git") && c.Source != "" && c.Path != "" {
		// Download the helm chart
		helmRepoPath := hg.makeHelmRepoPath(c)
		switch c.Method {
		case "helm":
			logger.Info(emoji.Sprintf(":helicopter: Component '%s' requesting helm chart '%s' from helm repository '%s'", c.Name, c.Path, c.Source))
			// Pull to a temporary directory
			tmpHelmDir, err := ioutil.TempDir("", "fabrikate")
			defer os.RemoveAll(tmpHelmDir)
			if err != nil {
				return err
			}
			if err = helm.Pull(c.Source, c.Path, c.Version, tmpHelmDir); err != nil {
				return err
			}

			// Create the component directory -- deleting if it already exists
			if err != nil {
				return err
			}
			if err := os.RemoveAll(helmRepoPath); err != nil {
				return err
			}

			// ensure the parent directory exists
			if err := os.MkdirAll(filepath.Dir(helmRepoPath), 0755); err != nil {
				return err
			}

			// Move the extracted chart from tmp to the helm_repos
			extractedChartPath := path.Join(tmpHelmDir, c.Path)
			if err := os.Rename(extractedChartPath, helmRepoPath); err != nil {
				return err
			}
		case "git":
			// Clone whole repo into helm repo path
			logger.Info(emoji.Sprintf(":helicopter: Component '%s' requesting helm chart in path '%s' from git repository '%s'", c.Name, c.Source, c.PhysicalPath))
			cloneOpts := &git.CloneOpts{
				URL:    c.Source,
				SHA:    c.Version,
				Branch: c.Branch,
				Into:   helmRepoPath,
			}
			if err = git.Clone(cloneOpts); err != nil {
				return err
			}
			// Update chart dependencies in chart path -- this is manually done here but automatically done in downloadChart in the case of `method: helm`
			chartPath, err := hg.getChartPath(c)
			if err != nil {
				return err
			}
			if err = helm.DependencyUpdate(chartPath); err != nil {
				return err
			}
		}
	}

	return err
}