Add ability to plural up in pre-init'ed repos (#486)

Currently the command will trip because the console context entry has likely not been set up, all we need is the pull cred, so setting that explicitly in a backfill function here.

cmd/plural/up.go

@@ -32,6 +32,10 @@ func (p *Plural) handleUp(c *cli.Context) error {
 		return err
 	}
 
+	if err := ctx.Backfill(); err != nil {
+		return err
+	}
+
 	if err := ctx.Generate(); err != nil {
 		return err
 	}

pkg/bundle/surveys.go

@@ -101,14 +101,14 @@ func fileSurvey(def string, item *api.ConfigurationItem) (prompt survey.Prompt,
 			if err != nil {
 				path = toComplete
 			}
-			files, _ := filepath.Glob(cleanPath(path) + "*")
+			files, _ := filepath.Glob(CleanPath(path) + "*")
 			return files
 		},
 	}
 	return
 }
 
-func cleanPath(path string) string {
+func CleanPath(path string) string {
 	if strings.HasSuffix(path, "/") {
 		return path
 	}

pkg/up/context.go

@@ -3,9 +3,14 @@ package up
 import (
 	"path/filepath"
 
+	"github.com/AlecAivazis/survey/v2"
+	"github.com/pluralsh/plural-cli/pkg/bundle"
 	"github.com/pluralsh/plural-cli/pkg/config"
 	"github.com/pluralsh/plural-cli/pkg/manifest"
 	"github.com/pluralsh/plural-cli/pkg/provider"
+	"github.com/pluralsh/plural-cli/pkg/utils"
+
+	"github.com/mitchellh/go-homedir"
 )
 
 type Context struct {
@@ -14,6 +19,24 @@ type Context struct {
 	Config   *config.Config
 }
 
+func (ctx *Context) Backfill() error {
+	context, err := manifest.FetchContext()
+	if err != nil {
+		return backfillConsoleContext(ctx.Manifest)
+	}
+
+	console, ok := context.Configuration["console"]
+	if !ok {
+		return backfillConsoleContext(ctx.Manifest)
+	}
+
+	if _, ok = console["private_key"]; !ok {
+		return backfillConsoleContext(ctx.Manifest)
+	}
+
+	return nil
+}
+
 func Build() (*Context, error) {
 	projPath, _ := filepath.Abs("workspace.yaml")
 	project, err := manifest.ReadProject(projPath)
@@ -33,3 +56,52 @@ func Build() (*Context, error) {
 		Manifest: project,
 	}, nil
 }
+
+func backfillConsoleContext(man *manifest.ProjectManifest) error {
+	path := manifest.ContextPath()
+	ctx, err := manifest.FetchContext()
+	if err != nil {
+		ctx = manifest.NewContext()
+	}
+
+	console, ok := ctx.Configuration["console"]
+	if !ok {
+		console = map[string]interface{}{}
+	}
+
+	utils.Highlight("It looks like you cloned this repo before running plural up, we just need you to generate and give us a deploy key to continue\n")
+	utils.Highlight("If you want, you can use `plural crypto ssh-keygen` to generate a keypair to use as a deploy key as well\n\n")
+
+	var deployKey string
+	prompt := &survey.Input{
+		Message: "Select a file containing a read-only deploy key for this repo (use tab to list files in the directory):",
+		Default: "~/.ssh",
+		Suggest: func(toComplete string) []string {
+			path, err := homedir.Expand(toComplete)
+			if err != nil {
+				path = toComplete
+			}
+			files, _ := filepath.Glob(bundle.CleanPath(path) + "*")
+			return files
+		},
+	}
+
+	opts := []survey.AskOpt{survey.WithValidator(survey.Required)}
+	if err := survey.AskOne(prompt, &deployKey, opts...); err != nil {
+		return err
+	}
+
+	keyPath, err := homedir.Expand(deployKey)
+	if err != nil {
+		return err
+	}
+
+	contents, err := utils.ReadFile(keyPath)
+	if err != nil {
+		return err
+	}
+
+	console["private_key"] = contents
+	ctx.Configuration["console"] = console
+	return ctx.Write(path)
+}