From 070d612a3d51041ebc97deda91556ce4c859f77f Mon Sep 17 00:00:00 2001
From: nuclearwu <wuzhongjian_yewu@cmss.chinamobile.com>
Date: Wed, 28 Sep 2022 10:58:29 +0800
Subject: [PATCH] Fix: it does not check the same name for 'vela env init'
 (#4796)

Signed-off-by: wuzhongjian <wuzhongjian_yewu@cmss.chinamobile.com>

Signed-off-by: wuzhongjian <wuzhongjian_yewu@cmss.chinamobile.com>
---
 pkg/utils/env/env.go | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/pkg/utils/env/env.go b/pkg/utils/env/env.go
index 6a798a598..cdfe7cb46 100644
--- a/pkg/utils/env/env.go
+++ b/pkg/utils/env/env.go
@@ -73,6 +73,17 @@ func CreateEnv(envArgs *types.EnvMeta) error {
 		}
 	}
 	ctx := context.TODO()
+
+	var nsList v1.NamespaceList
+	err = c.List(ctx, &nsList, client.MatchingLabels{oam.LabelControlPlaneNamespaceUsage: oam.VelaNamespaceUsageEnv,
+		oam.LabelNamespaceOfEnvName: envArgs.Name})
+	if err != nil {
+		return err
+	}
+	if len(nsList.Items) > 0 {
+		return fmt.Errorf("env name %s already exists", envArgs.Name)
+	}
+
 	namespace, err := utils.GetNamespace(ctx, c, envArgs.Namespace)
 	if err != nil && !apierrors.IsNotFound(err) {
 		return err