refactor: vertical deploy overview

cli/app/upgrade.go

@@ -47,6 +47,8 @@ EXAMPLE:
     abra app upgrade foo.example.com 1.2.3+3.2.1`,
 	BashComplete: autocomplete.AppNameComplete,
 	Action: func(c *cli.Context) error {
+		var warnMessages []string
+
 		app := internal.ValidateApp(c)
 		stackName := app.StackName()
 
@@ -82,7 +84,7 @@ EXAMPLE:
 		var availableUpgrades []string
 		if deployMeta.Version == "unknown" {
 			availableUpgrades = versions
-			log.Warnf("failed to determine deployed version of %s", app.Name)
+			warnMessages = append(warnMessages, fmt.Sprintf("failed to determine deployed version of %s", app.Name))
 		}
 
 		specificVersion := c.Args().Get(1)
@@ -114,7 +116,7 @@ EXAMPLE:
 
 		if deployMeta.Version != "unknown" && specificVersion == "" {
 			if deployMeta.IsChaos {
-				log.Warn("attempting to upgrade a chaos deployment")
+				warnMessages = append(warnMessages, fmt.Sprintf("attempting to upgrade a chaos deployment"))
 			}
 
 			for _, version := range versions {
@@ -156,7 +158,7 @@ EXAMPLE:
 		}
 
 		if internal.Force && chosenUpgrade == "" {
-			log.Warnf("%s is already upgraded to latest but continuing (--force)", app.Name)
+			warnMessages = append(warnMessages, fmt.Sprintf("%s is already upgraded to latest", app.Name))
 			chosenUpgrade = deployMeta.Version
 		}
 
@@ -230,7 +232,9 @@ EXAMPLE:
 
 		for _, envVar := range envVars {
 			if !envVar.Present {
-				log.Warnf("env var %s missing from %s.env, present in recipe .env.sample", envVar.Name, app.Domain)
+				warnMessages = append(warnMessages,
+					fmt.Sprintf("env var %s missing from %s.env, present in recipe .env.sample", envVar.Name, app.Domain),
+				)
 			}
 		}
 
@@ -245,7 +249,14 @@ EXAMPLE:
 			chaosVersion = deployMeta.ChaosVersion
 		}
 
-		if err := internal.NewVersionOverview(app, deployMeta.Version, chaosVersion, chosenUpgrade, releaseNotes); err != nil {
+		if err := internal.NewVersionOverview(
+			app,
+			warnMessages,
+			"upgrade",
+			deployMeta.Version,
+			chaosVersion,
+			chosenUpgrade,
+			releaseNotes); err != nil {
 			log.Fatal(err)
 		}