AWS ECS：ECS服务Cloudformation模板中的严重错误 [英] AWS ECS: Severe bug in ECS Service Cloudformation template

问题描述

尝试通过以下具有适当导入的清单使用cloudformation创建ECS服务

  UIService：
类型：AWS :: ECS :: Service 
属性：
群集：！ImportValue ECSClusterName 
 DesiredCount：1 
 LaunchType：EC2 
 LoadBalancers：
-ContainerName ：！ImportValue UIContainerName 
 ContainerPort：'80'
 TargetGroupArn：！ImportValue UITGArn 
 ServiceName：ui-service 
 ServiceRegistries：
-RegistryArn：arn：aws：servicediscovery： eu-west-1：944094092130：service / srv-oIclu40KCKM3esez7 
 TaskDefinition：！ImportValue UITaskArn 
  

这将失败，并显示以下消息：

为networkMode指定主机或桥时， containerName和 containerPort的值'必须从任务def中指定Inition。

但是，当我添加所需值时（在serviceregistry属性中，使我认为它们是必需的？）

  UIService：
类型：AWS :: ECS :: Service 
属性：
群集：！ImportValue ECSClusterName 
 DesiredCount：1 
 LaunchType：EC2 
 LoadBalancers：
-ContainerName：！ImportValue UIContainerName 
 ContainerPort：'80'
 TargetGroupArn：！ImportValue UITGArn 
 ServiceName：用户界面服务
 ServiceRegistries：
-RegistryArn：arn：aws：servicediscovery：eu-west-1：944094092130：service / srv-oIclu40KCKM3esez7 
 ContainerName：！ImportValue UIContainerName 
 ContainerPort：'80'
 TaskDefinition：！ImportValue UITaskArn 
  

...以下失败：

遇到不受支持的属性ContainerName

解决方案

这是AWS的一个错误，其中cloudformation不支持 containerName 和 containerPort 属性。这是 ServiceRegistry 的官方 docs em>，这是文档用于形成云。如果我没看错，则在发布服务发现时，它仅支持 awsvpc 网络模式，后来又添加了 bridge / host 。

目前，您可以创建基本的ECS云信息，然后使用CLI / API / SDK进行相应的更新，或者有时需要等待，以便AWS团队可以添加对它的支持。

Trying to create an ECS service using cloudformation via the following manifest that has the appropriate imports

 UIService:
        Type: AWS::ECS::Service
        Properties:
          Cluster: !ImportValue ECSClusterName
          DesiredCount: 1
          LaunchType: EC2
          LoadBalancers:
            - ContainerName: !ImportValue UIContainerName
              ContainerPort: '80'
              TargetGroupArn: !ImportValue UITGArn
          ServiceName: ui-service
          ServiceRegistries:
           - RegistryArn: arn:aws:servicediscovery:eu-west-1:944094092130:service/srv-oIclu40KCKM3esez7
          TaskDefinition: !ImportValue UITaskArn

This fails with the following message:

When specifying 'host' or 'bridge' for networkMode, values for 'containerName' and 'containerPort' must be specified from the task definition.

However when I add the wanted values (in the serviceregistry property where it makes me assume they are needed ?)

  UIService:
    Type: AWS::ECS::Service
    Properties:
      Cluster: !ImportValue ECSClusterName
      DesiredCount: 1
      LaunchType: EC2
      LoadBalancers:
        - ContainerName: !ImportValue UIContainerName
          ContainerPort: '80'
          TargetGroupArn: !ImportValue UITGArn
      ServiceName: ui-service
      ServiceRegistries:
       - RegistryArn: arn:aws:servicediscovery:eu-west-1:944094092130:service/srv-oIclu40KCKM3esez7
         ContainerName: !ImportValue UIContainerName
         ContainerPort: '80'
      TaskDefinition: !ImportValue UITaskArn

... I get the following failure:

Encountered unsupported property ContainerName

解决方案

This is a bug from AWS, in which the cloudformation is not supporting containerName and containerPort attribute currently. Here is the official docs for ServiceRegistry, and here is the docs for cloudformation. If I am not wrong, when service discovery was released, it only supported awsvpc networking mode and bridge/host was added later. It explains why we are having such discrepancy.

For the time being, you can create the basic ECS cloudformation, and update accordingly using CLI/API/SDK, or you can wait for sometimes so that AWS team will add support for the same.

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