我正在尝试使用AWS cloudformation来创建一个带有ALB和ECS服务的堆栈,但我在CREATE_FAILED
上获得了AWS::ECS::Service
,这是elb name longer than 32
。
我不明白为什么ECS服务抱怨ELB名称,而ALB本身处于CREATE_COMPLETE
状态......
以下是与发送到cloudformation的ALB创建相关的JSON:
"loadBalancer" : {
"Type": "AWS::ElasticLoadBalancingV2::LoadBalancer",
"Properties": {
"Name": "test-alb",
"Scheme" : "internal",
"Subnets" : [
"subnet-b8217295",
"subnet-ddaad2b8",
"subnet-6d71fb51"
],
"LoadBalancerAttributes" : [
{ "Key" : "idle_timeout.timeout_seconds", "Value" : "50" }
],
"SecurityGroups": [
{ "Ref": "InstanceSecurityGroupOpenWeb" },
{ "Ref" : "InstanceSecurityGroupOpenFull" }
],
"Tags" : [
{ "Key" : "key", "Value" : "value" },
{ "Key" : "key2", "Value" : "value2" }
]
}
}
这里是与ECS服务创建相关的JSON(以及上面定义的ALB的参考):
"EcsService": {
"Type":"AWS::ECS::Service",
"Properties":{
"Cluster":{
"Ref": "EcsCluster"
},
"DesiredCount":"1",
"DeploymentConfiguration":{
"MaximumPercent":100,
"MinimumHealthyPercent":0
},
"LoadBalancers": [
{
"ContainerName": "test-web",
"ContainerPort":"80",
"LoadBalancerName":{
"Ref": "loadBalancer"
}
}
],
"Role":{
"Ref": "EcsServiceRole"
},
"TaskDefinition":{
"Ref": "runWebServerTaskDefinition"
}
}
}
正如你可以看到我自己设置ALB的名称,它只有8个字符,所以我真的不明白这一点,任何想法?
当您执行"Ref"时,它将返回负载平衡器ARN而不是负载平衡器名称。您需要使用GetAtt来获取负载均衡器名称
{ "Fn::GetAtt" : [ "loadBalancer", "LoadBalancerName" ] }