fix(alibaba): remove duplicate instance ids

Signed-off-by: Jason-ZW <zhenyang@rancher.com>

pkg/providers/alibaba/alibaba.go

@@ -11,6 +11,7 @@ import (
 	"github.com/cnrancher/autok3s/pkg/common"
 	"github.com/cnrancher/autok3s/pkg/types"
 	"github.com/cnrancher/autok3s/pkg/types/alibaba"
+	"github.com/cnrancher/autok3s/pkg/utils"
 	"github.com/cnrancher/autok3s/pkg/viper"
 
 	"github.com/aliyun/alibaba-cloud-sdk-go/sdk/requests"
@@ -224,10 +225,10 @@ func (p *Alibaba) IsClusterExist() (bool, []string, error) {
 		for _, resource := range response.TagResources.TagResource {
 			ids = append(ids, resource.ResourceId)
 		}
-		return true, ids, err
+		// ecs will return multiple instance ids based on the value of tag key.n by n, so duplicate items need to be removed.
+		return true, utils.UniqueArray(ids), err
 	}
-
-	return false, ids, nil
+	return false, utils.UniqueArray(ids), nil
 }
 
 func (p *Alibaba) Rollback() error {

pkg/utils/util.go

@@ -13,3 +13,20 @@ func RandomToken(size int) (string, error) {
 	}
 	return hex.EncodeToString(token), err
 }
+
+func UniqueArray(origin []string) (unique []string) {
+	unique = make([]string, 0)
+	for i := 0; i < len(origin); i++ {
+		repeat := false
+		for j := i + 1; j < len(origin); j++ {
+			if origin[i] == origin[j] {
+				repeat = true
+				break
+			}
+		}
+		if !repeat {
+			unique = append(unique, origin[i])
+		}
+	}
+	return
+}