allow overriding kotsadm-migrations image (#207)

Author: laverya

Makefile

@@ -6,6 +6,7 @@ ADMIN_CONSOLE_CHART_URL = oci://registry.replicated.com/library
 ADMIN_CONSOLE_CHART_NAME = admin-console
 ADMIN_CONSOLE_CHART_VERSION = 1.104.4
 ADMIN_CONSOLE_IMAGE_OVERRIDE =
+ADMIN_CONSOLE_MIGRATIONS_IMAGE_OVERRIDE =
 EMBEDDED_OPERATOR_CHART_URL = oci://registry.replicated.com/library
 EMBEDDED_OPERATOR_CHART_NAME = embedded-cluster-operator
 EMBEDDED_OPERATOR_CHART_VERSION = 0.6.0
@@ -24,6 +25,7 @@ LD_FLAGS = -X github.com/replicatedhq/embedded-cluster/pkg/defaults.K0sVersion=$
 	-X github.com/replicatedhq/embedded-cluster/pkg/addons/adminconsole.ChartName=$(ADMIN_CONSOLE_CHART_NAME) \
 	-X github.com/replicatedhq/embedded-cluster/pkg/addons/adminconsole.Version=$(ADMIN_CONSOLE_CHART_VERSION) \
 	-X github.com/replicatedhq/embedded-cluster/pkg/addons/adminconsole.ImageOverride=$(ADMIN_CONSOLE_IMAGE_OVERRIDE) \
+	-X github.com/replicatedhq/embedded-cluster/pkg/addons/adminconsole.MigrationsImageOverride=$(ADMIN_CONSOLE_MIGRATIONS_IMAGE_OVERRIDE) \
 	-X github.com/replicatedhq/embedded-cluster/pkg/addons/embeddedclusteroperator.ChartURL=$(EMBEDDED_OPERATOR_CHART_URL) \
 	-X github.com/replicatedhq/embedded-cluster/pkg/addons/embeddedclusteroperator.ChartName=$(EMBEDDED_OPERATOR_CHART_NAME) \
 	-X github.com/replicatedhq/embedded-cluster/pkg/addons/embeddedclusteroperator.Version=$(EMBEDDED_OPERATOR_CHART_VERSION) \

pkg/addons/adminconsole/adminconsole.go

@@ -28,10 +28,11 @@ const (
 
 // Overwritten by -ldflags in Makefile
 var (
-	ChartURL      = "https://url"
-	ChartName     = "name"
-	Version       = "v0.0.0"
-	ImageOverride = ""
+	ChartURL                = "https://url"
+	ChartName               = "name"
+	Version                 = "v0.0.0"
+	ImageOverride           = ""
+	MigrationsImageOverride = ""
 )
 
 var helmValues = map[string]interface{}{
@@ -50,6 +51,12 @@ func init() {
 			"kotsadm": ImageOverride,
 		}
 	}
+	if MigrationsImageOverride != "" {
+		if helmValues["images"] == nil {
+			helmValues["images"] = map[string]interface{}{}
+		}
+		helmValues["images"].(map[string]interface{})["migrations"] = MigrationsImageOverride
+	}
 }
 
 // AdminConsole manages the admin console helm chart installation.