updater: read chaos deployment from docker label

cli/updater/updater.go

@@ -4,6 +4,7 @@ import (
 	"context"
 	"fmt"
 	"os"
+	"strconv"
 	"strings"
 
 	"coopcloud.tech/abra/cli/internal"
@@ -31,7 +32,6 @@ var UpgradeApp = cli.Command{
 	Flags: []cli.Flag{
 		internal.DebugFlag,
 		internal.ForceFlag,
-		internal.DontWaitConvergeFlag,
 	},
 	Before:      internal.SubCommandBefore,
 	Description: `Upgrade an app`,
@@ -73,10 +73,11 @@ var UpgradeAll = cli.Command{
 		for _, stackInfo := range stacks {
 			stackName := stackInfo.Name
 			recipeName := getRecipe(cl, stackName)
-			// TODO: read chaos from docker label
-			if recipeName != "" {
-				logrus.Debugf("RecipeName: %s", recipeName)
+			chaos := getChaos(cl, stackName)
+			if recipeName != "" && (!chaos || internal.Force) {
 				upgrade(cl, stackName, recipeName)
+			} else {
+				logrus.Debugf("Don't update %s due to missing recipe name or chaos deployment", stackName)
 			}
 		}
 		return nil
@@ -102,6 +103,29 @@ func getRecipe(cl *dockerclient.Client, stackName string) string {
 	return ""
 }
 
+// Read chaos deployment from docker label
+func getChaos(cl *dockerclient.Client, stackName string) bool {
+	filter := filters.NewArgs()
+	filter.Add("label", fmt.Sprintf("%s=%s", convert.LabelNamespace, stackName))
+
+	services, err := cl.ServiceList(context.Background(), types.ServiceListOptions{Filters: filter})
+	if err != nil {
+		logrus.Fatal(err)
+	}
+	for _, service := range services {
+		labelKey := fmt.Sprintf("coop-cloud.%s.chaos", stackName)
+		if chaosLabel, ok := service.Spec.Labels[labelKey]; ok {
+			chaos, err := strconv.ParseBool(chaosLabel)
+			if err != nil {
+				logrus.Fatal(err)
+			}
+			return chaos
+		}
+	}
+	logrus.Debugf("no chaos label found for %s", stackName)
+	return false
+}
+
 // Read Env variables from docker services
 func getEnv(cl *dockerclient.Client, stackName string) config.AppEnv {
 	envMap := make(map[string]string)
@@ -139,7 +163,6 @@ func upgrade(cl *dockerclient.Client, stackName string, recipeName string) {
 	}
 	// Workaround, is there a better way?
 	app.Env["STACK_NAME"] = stackName
-	// TODO: read COMPOSE_FILE from docker label
 	// TODO: evaluate ENABLE_AUTO_UPDATE env var
 
 	logrus.Debugf("Retrieve deployed version whether %s is already deployed", stackName)
@@ -193,7 +216,8 @@ func upgrade(cl *dockerclient.Client, stackName string, recipeName string) {
 		}
 
 		if len(availableUpgrades) == 0 {
-			logrus.Fatalf("no available upgrades, you're on latest (%s) ✌️", deployedVersion)
+			logrus.Debugf("no available upgrades, you're on latest (%s) ✌️", deployedVersion)
+			return
 		}
 	}
 
@@ -236,6 +260,10 @@ func upgrade(cl *dockerclient.Client, stackName string, recipeName string) {
 	if err != nil {
 		logrus.Fatal(err)
 	}
+	config.ExposeAllEnv(compose, app.Env)
+	// after the upgrade the deployment won't be in chaos state any more
+	config.SetChaosLabel(compose, stackName, false)
+	config.SetRecipeLabel(compose, stackName, app.Recipe)
 
 	if err := stack.RunDeploy(cl, deployOpts, compose, stackName, true); err != nil {
 		logrus.Fatal(err)
@@ -245,7 +273,7 @@ func upgrade(cl *dockerclient.Client, stackName string, recipeName string) {
 func newAbraApp(version, commit string) *cli.App {
 	app := &cli.App{
 		Name: "kadabra",
-		Usage: `The Co-op Cloud update daemon
+		Usage: `The Co-op Cloud autoupdater
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