WIP: add compose updating to recipe upgrade

cli/recipe/recipe.go

@@ -228,6 +228,7 @@ var recipeUpgradeCommand = &cli.Command{
 			if err := survey.AskOne(prompt, &upgradeTag); err != nil {
 				logrus.Fatal(err)
 			}
+			config.UpdateAppComposeTag(recipe, image, upgradeTag)
 		}
 
 		return nil

config/app.go

@@ -14,6 +14,8 @@ import (
 	loader "coopcloud.tech/abra/client/stack"
 	"github.com/docker/cli/cli/command/stack/options"
 	composetypes "github.com/docker/cli/cli/compose/types"
+	"github.com/docker/distribution/reference"
+	"github.com/sirupsen/logrus"
 )
 
 // Type aliases to make code hints easier to understand
@@ -241,3 +243,49 @@ func GetAppComposeFiles(recipe string) (*composetypes.Config, error) {
 
 	return compose, nil
 }
+
+func UpdateAppComposeTag(recipe, image, tag string) error {
+	pattern := fmt.Sprintf("%s/%s/compose**yml", APPS_DIR, recipe)
+	composeFiles, err := filepath.Glob(pattern)
+	if err != nil {
+		return err
+	}
+
+	for _, composeFile := range composeFiles {
+		opts := options.Deploy{Composefiles: []string{composeFile}}
+		compose, err := loader.LoadComposefile(opts)
+		if err != nil {
+			return err
+		}
+
+		for _, service := range compose.Services {
+			if service.Image == "" {
+				continue // may be a compose.$optional.yml file
+			}
+
+			img, _ := reference.ParseNormalizedNamed(service.Image)
+			if err != nil {
+				logrus.Fatal(err)
+			}
+			composeImage := reference.Path(img.(reference.Named))
+			composeTag := img.(reference.NamedTagged).Tag()
+
+			if image == composeImage {
+				bytes, err := ioutil.ReadFile(composeFile)
+				if err != nil {
+					logrus.Fatal(err)
+				}
+
+				old := fmt.Sprintf("%s:%s", composeImage, composeTag)
+				new := fmt.Sprintf("%s:%s", composeImage, tag)
+				replacedBytes := strings.Replace(string(bytes), old, new, -1)
+
+				if err := ioutil.WriteFile(compose.Filename, []byte(replacedBytes), 0644); err != nil {
+					return err
+				}
+			}
+		}
+	}
+
+	return nil
+}