databricks-cli/cmd/bundle/init.go

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package bundle
import (
"os"
"path/filepath"
"strings"
"github.com/databricks/cli/libs/git"
"github.com/databricks/cli/libs/template"
"github.com/spf13/cobra"
)
var gitUrlPrefixes = []string{
"https://",
"git@",
}
func isRepoUrl(url string) bool {
result := false
for _, prefix := range gitUrlPrefixes {
if strings.HasPrefix(url, prefix) {
result = true
break
}
}
return result
}
// Computes the repo name from the repo URL. Treats the last non empty word
// when splitting at '/' as the repo name. For example: for url git@github.com:databricks/cli.git
// the name would be "cli.git"
func repoName(url string) string {
parts := strings.Split(strings.TrimRight(url, "/"), "/")
return parts[len(parts)-1]
}
func newInitCommand() *cobra.Command {
cmd := &cobra.Command{
Use: "init TEMPLATE_PATH",
Short: "Initialize Template",
Args: cobra.ExactArgs(1),
}
var configFile string
var projectDir string
cmd.Flags().StringVar(&configFile, "config-file", "", "File containing input parameters for template initialization.")
cmd.Flags().StringVar(&projectDir, "project-dir", "", "The project will be initialized in this directory.")
cmd.MarkFlagRequired("project-dir")
cmd.RunE = func(cmd *cobra.Command, args []string) error {
templatePath := args[0]
ctx := cmd.Context()
if !isRepoUrl(templatePath) {
// skip downloading the repo because input arg is not a URL. We assume
// it's a path on the local file system in that case
return template.Materialize(ctx, configFile, templatePath, projectDir)
}
// Download the template in a temporary directory
tmpDir := os.TempDir()
templateURL := templatePath
templateDir := filepath.Join(tmpDir, repoName(templateURL))
err := os.MkdirAll(templateDir, 0755)
if err != nil {
return err
}
// TODO: Add automated test that the downloaded git repo is cleaned up.
err = git.Clone(ctx, templateURL, "", templateDir)
if err != nil {
return err
}
defer os.RemoveAll(templateDir)
return template.Materialize(ctx, configFile, templateDir, projectDir)
}
return cmd
}