Fixed issue with order of deleted resources0.9.1

For delete operation order of resources is reverse to
the order used for creation

Issue-ID: MULTICLOUD-1398
Signed-off-by: Lukasz Rajewski <lukasz.rajewski@orange.com>
Change-Id: I3f34c6000222e82c34f59042e99d2c37a343dfa5

2 files changed, 53 insertions, 0 deletions

diff --git a/src/k8splugin/internal/helm/helm.go b/src/k8splugin/internal/helm/helm.go
index 6064b2c8..b27c8aee 100644
--- a/src/k8splugin/internal/helm/helm.go
+++ b/src/k8splugin/internal/helm/helm.go
@@ -249,3 +249,13 @@ func getGroupVersionKind(data string) (schema.GroupVersionKind, error) {
 
 	return *gvk, nil
 }
+
+//GetReverseK8sResources reverse list of resources for delete purpose
+func GetReverseK8sResources(resources []KubernetesResource) []KubernetesResource {
+	reversed := []KubernetesResource{}
+
+	for i := len(resources) - 1; i >= 0; i-- {
+		reversed = append(reversed, resources[i])
+	}
+	return reversed
+}
diff --git a/src/k8splugin/internal/helm/helm_test.go b/src/k8splugin/internal/helm/helm_test.go
index b805b59b..951ff92b 100644
--- a/src/k8splugin/internal/helm/helm_test.go
+++ b/src/k8splugin/internal/helm/helm_test.go
@@ -26,6 +26,7 @@ import (
 	"testing"
 
 	"gopkg.in/yaml.v2"
+	"k8s.io/apimachinery/pkg/runtime/schema"
 )
 
 func TestProcessValues(t *testing.T) {
@@ -265,3 +266,45 @@ func TestGenerateKubernetesArtifacts(t *testing.T) {
 		})
 	}
 }
+
+func TestReverseResources(t *testing.T) {
+
+	t.Run("Successfully reverse resources", func(t *testing.T) {
+		data := []KubernetesResource{
+			{
+				GVK: schema.GroupVersionKind{
+					Group:   "apps",
+					Version: "v1",
+					Kind:    "Deployment"},
+				Name: "deployment-1",
+			},
+			{
+				GVK: schema.GroupVersionKind{
+					Group:   "apps",
+					Version: "v1",
+					Kind:    "Deployment"},
+				Name: "deployment-2",
+			},
+			{
+				GVK: schema.GroupVersionKind{
+					Group:   "",
+					Version: "v1",
+					Kind:    "Service"},
+				Name: "service-1",
+			},
+			{
+				GVK: schema.GroupVersionKind{
+					Group:   "",
+					Version: "v1",
+					Kind:    "Service"},
+				Name: "service-2",
+			},
+		}
+
+		reversed := GetReverseK8sResources(data)
+
+		if reversed[0] != data[len(data)-1] {
+			t.Fatalf("Unexpected k8s resource at position 0 %s", reversed[0])
+		}
+	})
+}