IAM-Tutorial: Verwenden Sie eine CloudFormation Vorlage, um eine SAML-föderierte IAM-Rolle zu erstellen

{
  "AWSTemplateFormatVersion": "2010-09-09",
  "Description": "[AWSDocs] IAM: tutorial_saml-federated-role",
  "Parameters": {
    "RoleName": {
      "Type": "String",
      "Description": "Name of the IAM Role (leave empty for auto-generated name like '{StackName}-{UniqueId}')",
      "Default": "",
      "AllowedPattern": "^$|^[\\w+=,.@-]{1,64}$",
      "ConstraintDescription": "Must be empty or 1-64 characters and can contain alphanumeric characters and +=,.@-"
    },
    "SAMLProviderARN": {
      "Type": "String",
      "Description": "ARN of the SAML Identity Provider",
      "AllowedPattern": "^arn:aws:iam::\\d{12}:saml-provider/[a-zA-Z0-9._-]+$",
      "ConstraintDescription": "Must be a valid SAML provider ARN"
    },
    "RoleSessionDuration": {
      "Type": "Number",
      "Description": "The maximum session duration (in seconds) that you want to set for the specified role (3600-43200)",
      "MinValue": 3600,
      "MaxValue": 43200,
      "Default": 7200
    },
    "RolePermissionsBoundary": {
      "Type": "String",
      "Description": "Optional ARN of the permissions boundary policy (leave empty for none)",
      "Default": ""
    },
    "RolePath": {
      "Type": "String",
      "Description": "Path for the IAM role (must start and end with /)",
      "Default": "/",
      "AllowedPattern": "^\/.*\/$|^\/$",
      "ConstraintDescription": "Role path must start and end with forward slash (/)"
    },
    "RoleManagedPolicy1": {
      "Type": "String",
      "Description": "Optional managed policy ARN 1",
      "Default": ""
    },
    "RoleManagedPolicy2": {
      "Type": "String",
      "Description": "Optional managed policy ARN 2",
      "Default": ""
    },
    "RoleManagedPolicy3": {
      "Type": "String",
      "Description": "Optional managed policy ARN 3",
      "Default": ""
    },
    "RoleManagedPolicy4": {
      "Type": "String",
      "Description": "Optional managed policy ARN 4",
      "Default": ""
    },
    "RoleManagedPolicy5": {
      "Type": "String",
      "Description": "Optional managed policy ARN 5",
      "Default": ""
    }
  },
  "Conditions": {
    "HasCustomRoleName": {"Fn::Not": [{"Fn::Equals": [{"Ref": "RoleName"}, ""]}]},
    "HasPermissionsBoundary": {"Fn::Not": [{"Fn::Equals": [{"Ref": "RolePermissionsBoundary"}, ""]}]},
    "HasPolicy1": {"Fn::Not": [{"Fn::Equals": [{"Ref": "RoleManagedPolicy1"}, ""]}]},
    "HasPolicy2": {"Fn::Not": [{"Fn::Equals": [{"Ref": "RoleManagedPolicy2"}, ""]}]},
    "HasPolicy3": {"Fn::Not": [{"Fn::Equals": [{"Ref": "RoleManagedPolicy3"}, ""]}]},
    "HasPolicy4": {"Fn::Not": [{"Fn::Equals": [{"Ref": "RoleManagedPolicy4"}, ""]}]},
    "HasPolicy5": {"Fn::Not": [{"Fn::Equals": [{"Ref": "RoleManagedPolicy5"}, ""]}]}
  },
  "Resources": {
    "SAMLFederatedRole": {
      "Type": "AWS::IAM::Role",
      "Properties": {
        "RoleName": {"Fn::If": ["HasCustomRoleName", {"Ref": "RoleName"}, {"Ref": "AWS::NoValue"}]},
        "Description": "IAM role with SAML provider trust",
        "MaxSessionDuration": {"Ref": "RoleSessionDuration"},
        "PermissionsBoundary": {"Fn::If": ["HasPermissionsBoundary", {"Ref": "RolePermissionsBoundary"}, {"Ref": "AWS::NoValue"}]},
        "Path": {"Ref": "RolePath"},
        "AssumeRolePolicyDocument": {
          "Version": "2012-10-17",		 	 	 
          "Statement": [
            {
              "Effect": "Allow",
              "Principal": {
                "Federated": {"Ref": "SAMLProviderARN"}
              },
              "Action": "sts:AssumeRoleWithSAML",
              "Condition": {
                "StringEquals": {
                  "SAML:aud": "https://signin.aws.amazon.com/saml"
                }
              }
            }
          ]
        },
        "ManagedPolicyArns": {
          "Fn::Split": [
            ",",
            {
              "Fn::Join": [
                ",",
                [
                  {"Fn::If": ["HasPolicy1", {"Ref": "RoleManagedPolicy1"}, {"Ref": "AWS::NoValue"}]},
                  {"Fn::If": ["HasPolicy2", {"Ref": "RoleManagedPolicy2"}, {"Ref": "AWS::NoValue"}]},
                  {"Fn::If": ["HasPolicy3", {"Ref": "RoleManagedPolicy3"}, {"Ref": "AWS::NoValue"}]},
                  {"Fn::If": ["HasPolicy4", {"Ref": "RoleManagedPolicy4"}, {"Ref": "AWS::NoValue"}]},
                  {"Fn::If": ["HasPolicy5", {"Ref": "RoleManagedPolicy5"}, {"Ref": "AWS::NoValue"}]}
                ]
              ]
            }
          ]
        }
      }
    }
  },
  "Outputs": {
    "RoleARN": {
      "Description": "ARN of the created IAM Role",
      "Value": {"Fn::GetAtt": ["SAMLFederatedRole", "Arn"]},
      "Export": {
        "Name": {"Fn::Sub": "${AWS::StackName}-RoleARN"}
      }
    }
  }
}

AWSTemplateFormatVersion: '2010-09-09'
Description: '[AWSDocs] IAM: tutorial_saml-federated-role'

Parameters:
  RoleName:
    Type: String
    Description: 'Name of the IAM Role (leave empty for auto-generated name like ''{StackName}-{UniqueId}'')'
    Default: ""
    AllowedPattern: '^$|^[\w+=,.@-]{1,64}$'
    ConstraintDescription: 'Must be empty or 1-64 characters and can contain alphanumeric characters and +=,.@-'
  
  SAMLProviderARN:
    Type: String
    Description: 'ARN of the SAML Identity Provider'
    AllowedPattern: '^arn:aws:iam::\d{12}:saml-provider/[a-zA-Z0-9._-]+$'
    ConstraintDescription: 'Must be a valid SAML provider ARN'
  
  RoleSessionDuration:
    Type: Number
    Description: 'The maximum session duration (in seconds) that you want to set for the specified role (3600-43200)'
    MinValue: 3600
    MaxValue: 43200
    Default: 7200
    
  RolePermissionsBoundary:
    Type: String
    Description: Optional ARN of the permissions boundary policy (leave empty for none)
    Default: ""

  RolePath:
    Type: String
    Description: 'Path for the IAM role (must start and end with /)'
    Default: "/"
    AllowedPattern: '^\/.*\/$|^\/$'
    ConstraintDescription: 'Role path must start and end with forward slash (/)'
  
  RoleManagedPolicy1:
    Type: String
    Description: Optional managed policy ARN 1
    Default: ""
  RoleManagedPolicy2:
    Type: String
    Description: Optional managed policy ARN 2
    Default: ""
  RoleManagedPolicy3:
    Type: String
    Description: Optional managed policy ARN 3
    Default: ""
  RoleManagedPolicy4:
    Type: String
    Description: Optional managed policy ARN 4
    Default: ""
  RoleManagedPolicy5:
    Type: String
    Description: Optional managed policy ARN 5
    Default: ""

Conditions:
  HasCustomRoleName: !Not [!Equals [!Ref RoleName, ""]]
  HasPermissionsBoundary: !Not [!Equals [!Ref RolePermissionsBoundary, ""]]
  HasPolicy1: !Not [!Equals [!Ref RoleManagedPolicy1, ""]]
  HasPolicy2: !Not [!Equals [!Ref RoleManagedPolicy2, ""]]
  HasPolicy3: !Not [!Equals [!Ref RoleManagedPolicy3, ""]]
  HasPolicy4: !Not [!Equals [!Ref RoleManagedPolicy4, ""]]
  HasPolicy5: !Not [!Equals [!Ref RoleManagedPolicy5, ""]]

Resources:
  SAMLFederatedRole:
    Type: 'AWS::IAM::Role'
    Properties:
      RoleName: !If
        - HasCustomRoleName
        - !Ref RoleName
        - !Ref AWS::NoValue
      Description: 'IAM role with SAML provider trust'
      MaxSessionDuration: !Ref RoleSessionDuration
      PermissionsBoundary: !If
        - HasPermissionsBoundary
        - !Ref RolePermissionsBoundary
        - !Ref AWS::NoValue
      Path: !Ref RolePath
      AssumeRolePolicyDocument:
        Version: '2012-10-17		 	 	 '
        Statement:
          - Effect: Allow
            Principal:
              Federated: !Ref SAMLProviderARN
            Action: 'sts:AssumeRoleWithSAML'
            Condition:
              StringEquals:
                'SAML:aud': 'https://signin.aws.amazon.com/saml'
      ManagedPolicyArns:
        !Split
          - ','
          - !Join
            - ','
            - - !If [HasPolicy1, !Ref RoleManagedPolicy1, !Ref 'AWS::NoValue']
              - !If [HasPolicy2, !Ref RoleManagedPolicy2, !Ref 'AWS::NoValue']
              - !If [HasPolicy3, !Ref RoleManagedPolicy3, !Ref 'AWS::NoValue']
              - !If [HasPolicy4, !Ref RoleManagedPolicy4, !Ref 'AWS::NoValue']
              - !If [HasPolicy5, !Ref RoleManagedPolicy5, !Ref 'AWS::NoValue']

Outputs:
  RoleARN:
    Description: 'ARN of the created IAM Role'
    Value: !GetAtt SAMLFederatedRole.Arn
    Export:
      Name: !Sub '${AWS::StackName}-RoleARN'