調用內建函式Fn::ListMerge，合并多個列表為一個列表。
函式宣告
JSON
{ "Fn::ListMerge": [ [ "list_1_item_1", "list_1_item_2", ... ], [ "list_2_item_1", "list_2_item_2", ... ], ... ] }YAML
完整函數的文法。
Fn::ListMerge: - - list_1_item_1 - list_1_item_2 - ... - - list_2_item_1 - list_2_item_2 - ...縮寫形式。
!ListMerge [[list_1_item_1, list_1_item_2, ...], [list_2_item_1, list_2_item_2, ...], ...]
參數資訊
list_1_item_1, list_1_imte_2, ...：將要合并的第一個列表。list_2_item_1, list_2_imte_2, ...：將要和第一個列表合并的列表。
使用樣本
把兩個ECS組掛載到同一個Server Load Balancer執行個體上。
ROSTemplateFormatVersion: '2015-09-01'
Resources:
LoadBalancer:
Type: ALIYUN::SLB::LoadBalancer
Properties:
LoadBalancerName: ros
AddressType: internet
InternetChargeType: paybybandwidth
BackendServer1:
Type: ALIYUN::ECS::InstanceGroup
Properties:
ImageId: m-2ze9uqi7wo61hwep****
InstanceType: ecs.t1.small
SecurityGroupId: sg-2ze8yxgempcdsq3i****
MaxAmount: 1
MinAmount: 1
BackendServer2:
Type: ALIYUN::ECS::InstanceGroup
Properties:
ImageId: m-2ze9uqi7wo61hwep****
InstanceType: ecs.t1.small
SecurityGroupId: sg-2ze8yxgempcdsq3i****
MaxAmount: 1
MinAmount: 1
Attachment:
Type: ALIYUN::SLB::BackendServerAttachment
Properties:
LoadBalancerId: !Ref LoadBalancer
BackendServerList: !ListMerge [!GetAtt BackendServer1.InstanceIds, !GetAtt BackendServer2.InstanceIds]