[英]Unable to write policy document in aws cdk using python
Hi I am working on AWS CDK.您好,我正在研究 AWS CDK。 I am trying to create policy.
我正在尝试制定政策。 Below is my code.
下面是我的代码。
MWSECSServiceRole = iam.Role(self, 'MWSECSServiceRole',
assumed_by=iam.ServicePrincipal('ecs.amazonaws.com'))
MWSECSServiceRole.add_to_policy(iam.PolicyStatement(
effect=iam.Effect.ALLOW,
resources=["arn:aws:elasticloadbalancing:*:{AccountId}:loadbalancer/app/mws-*","arn:aws:elasticloadbalancing:*:{AccountId}:listener-rule/app/mws-*","arn:aws:elasticloadbalancing:*:{AccountId}:listener/app/mws-*","arn:aws:elasticloadbalancing:*:{AccountId}:targetgroup/mws-*"],
actions=["elasticloadbalancing:DeregisterInstancesFromLoadBalancer","elasticloadbalancing:DeregisterTargets","elasticloadbalancing:RegisterInstancesWithLoadBalancer","elasticloadbalancing:RegisterTargets"]
))
MWSECSServiceRole.add_to_policy(iam.PolicyStatement(
effect=iam.Effect.ALLOW,
resources=["*"],
actions=["ec2:AuthorizeSecurityGroupIngress","ec2:Describe*","elasticloadbalancing:Describe*"]
))
Which will generate below cloud formation template.这将生成下面的云形成模板。
MWSECSServiceRoleDefaultPolicyD5E258B0:
Type: AWS::IAM::Policy
Properties:
PolicyDocument:
Statement:
- Action:
- elasticloadbalancing:DeregisterInstancesFromLoadBalancer
- elasticloadbalancing:DeregisterTargets
- elasticloadbalancing:RegisterInstancesWithLoadBalancer
- elasticloadbalancing:RegisterTargets
Effect: Allow
Resource:
- arn:aws:elasticloadbalancing:*:{AccountId}:loadbalancer/app/mws-*
- arn:aws:elasticloadbalancing:*:{AccountId}:listener-rule/app/mws-*
- arn:aws:elasticloadbalancing:*:{AccountId}:listener/app/mws-*
- arn:aws:elasticloadbalancing:*:{AccountId}:targetgroup/mws-*
- Action:
- ec2:AuthorizeSecurityGroupIngress
- ec2:Describe*
- elasticloadbalancing:Describe*
Effect: Allow
Resource: "*"
Version: "2012-10-17"
PolicyName: MWSECSServiceRoleDefaultPolicyD5E258B0
Roles:
- Ref: MWSECSServiceRole966AC1F9
Metadata:
aws:cdk:path: LocationCdkStack-cdkstack/MWSECSServiceRole/DefaultPolicy/Resource
When I try to deploy It throws below error.当我尝试部署它时会引发以下错误。
The policy failed legacy parsing (Service: AmazonIdentityManagement; Status Code: 400; Error Code: MalformedPolicyDocument; Request ID: e54462f7-f0bc-4a8c-9ec4-9530125113ec)
Can someone help me to identify this issue?有人可以帮我确定这个问题吗? Any help would be appreciated.
任何帮助,将不胜感激。 Thanks
谢谢
I suggest you build your ARN using Stack.format_arn
:我建议您使用
Stack.format_arn
构建您的 ARN:
my_resource = core.Stack.of(self).format_arn(
service="elasticloadbalancing",
resource="loadbalancer",
resource_name="app/mws-*"
)
See also ARN Manipulation .另请参阅ARN 操作。
Alternatively you can concatenate string and use core.Stack.of(self).account
:或者,您可以连接字符串并使用
core.Stack.of(self).account
:
my_resource = "arn:aws:elasticloadbalancing:*:" + core.Stack.of(self).account + ":loadbalancer/app/mws-*"
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