add a label to signal that a deploy is a chaos deploy

Resolves coop-cloud/organising#391 by adding the following label `coop-cloud.${STACK_NAME}.recipe=${RECIPE}` (according to the version label).
This is required for the auto updater coop-cloud/organising#236 (comment)

Co-authored-by: Moritz <moritz.m@local-it.org>
Reviewed-on: coop-cloud/abra#264

cli/app/rollback.go

@@ -178,6 +178,9 @@ recipes.
 		if err != nil {
 			logrus.Fatal(err)
 		}
+		config.ExposeAllEnv(stackName, compose, app.Env)
+		config.SetRecipeLabel(compose, stackName, app.Recipe)
+		config.SetChaosLabel(compose, stackName, internal.Chaos)
 
 		if !internal.Force {
 			if err := internal.NewVersionOverview(app, deployedVersion, chosenDowngrade, ""); err != nil {

cli/app/upgrade.go

@@ -189,6 +189,9 @@ recipes.
 		if err != nil {
 			logrus.Fatal(err)
 		}
+		config.ExposeAllEnv(stackName, compose, app.Env)
+		config.SetRecipeLabel(compose, stackName, app.Recipe)
+		config.SetChaosLabel(compose, stackName, internal.Chaos)
 
 		if err := internal.NewVersionOverview(app, deployedVersion, chosenUpgrade, releaseNotes); err != nil {
 			logrus.Fatal(err)

cli/internal/deploy.go

@@ -134,6 +134,9 @@ func DeployAction(c *cli.Context) error {
 	if err != nil {
 		logrus.Fatal(err)
 	}
+	config.ExposeAllEnv(app.StackName(), compose, app.Env)
+	config.SetRecipeLabel(compose, app.StackName(), app.Recipe)
+	config.SetChaosLabel(compose, app.StackName(), Chaos)
 
 	if err := DeployOverview(app, version, "continue with deployment?"); err != nil {
 		logrus.Fatal(err)

pkg/config/app.go

@@ -5,6 +5,7 @@ import (
 	"io/ioutil"
 	"os"
 	"path"
+	"strconv"
 	"strings"
 
 	"github.com/schollz/progressbar/v3"
@@ -447,3 +448,43 @@ func GetAppComposeConfig(recipe string, opts stack.Deploy, appEnv AppEnv) (*comp
 
 	return compose, nil
 }
+
+// ExposeAllEnv exposes all env variables to the app container
+func ExposeAllEnv(stackName string, compose *composetypes.Config, appEnv AppEnv) {
+	for _, service := range compose.Services {
+		if service.Name == "app" {
+			logrus.Debugf("Add the following environment to the app service config of %s:", stackName)
+			for k, v := range appEnv {
+				_, exists := service.Environment[k]
+				if !exists {
+					value := v
+					service.Environment[k] = &value
+					logrus.Debugf("Add Key: %s Value: %s to %s", k, value, stackName)
+				}
+			}
+		}
+	}
+}
+
+// SetRecipeLabel adds the label 'coop-cloud.${STACK_NAME}.recipe=${RECIPE}' to the app container
+// to signal which recipe is connected to the deployed app
+func SetRecipeLabel(compose *composetypes.Config, stackName string, recipe string) {
+	for _, service := range compose.Services {
+		if service.Name == "app" {
+			logrus.Debugf("set recipe label 'coop-cloud.%s.recipe' to %s for %s", stackName, recipe, stackName)
+			labelKey := fmt.Sprintf("coop-cloud.%s.recipe", stackName)
+			service.Deploy.Labels[labelKey] = recipe
+		}
+	}
+}
+
+// add a label to signal that a deploy is a chaos deploy
+func SetChaosLabel(compose *composetypes.Config, stackName string, chaos bool) {
+	for _, service := range compose.Services {
+		if service.Name == "app" {
+			logrus.Debugf("set chaos label to %s", chaos)
+			labelKey := fmt.Sprintf("coop-cloud.%s.chaos", stackName)
+			service.Deploy.Labels[labelKey] = strconv.FormatBool(chaos)
+		}
+	}
+}

pkg/recipe/recipe.go

@@ -616,6 +616,11 @@ func EnsureUpToDate(recipeName string) error {
 		return err
 	}
 
+	fetchOpts := &git.FetchOptions{
+		Tags: git.AllTags,
+	}
+	repo.Fetch(fetchOpts)
+
 	opts := &git.PullOptions{
 		Force:         true,
 		ReferenceName: branch,