serverless-dynamodb-autoscaling/dist/aws/role.js

Serverless Plugin for Amazon DynamoDB Auto Scaling.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const resource_1 = require("./resource");
class Role extends resource_1.default {
    constructor(options) {
        super(options);
        this.type = 'AWS::IAM::Role';
        this.version = '2012-10-17';
        this.actions = {
            CloudWatch: [
                'cloudwatch:PutMetricAlarm',
                'cloudwatch:DescribeAlarms',
                'cloudwatch:DeleteAlarms',
                'cloudwatch:GetMetricStatistics',
                'cloudwatch:SetAlarmState'
            ],
            DynamoDB: [
                'dynamodb:DescribeTable',
                'dynamodb:UpdateTable'
            ]
        };
    }
    toJSON() {
        const RoleName = this.name.role();
        const PolicyName = this.name.policyRole();
        const DependsOn = [this.options.table].concat(this.dependencies);
        const Principal = this.principal();
        const Version = this.version;
        const Type = this.type;
        return {
            [RoleName]: {
                DependsOn,
                Properties: {
                    AssumeRolePolicyDocument: {
                        Statement: [
                            { Action: 'sts:AssumeRole', Effect: 'Allow', Principal }
                        ],
                        Version
                    },
                    Policies: [
                        {
                            PolicyDocument: {
                                Statement: [
                                    { Action: this.actions.CloudWatch, Effect: 'Allow', Resource: '*' },
                                    { Action: this.actions.DynamoDB, Effect: 'Allow', Resource: this.resource() }
                                ],
                                Version
                            },
                            PolicyName
                        }
                    ],
                    RoleName
                },
                Type
            }
        };
    }
    resource() {
        return {
            'Fn::Join': ['', ['arn:aws:dynamodb:*:', { Ref: 'AWS::AccountId' }, ':table/', { Ref: this.options.table }]]
        };
    }
    principal() {
        return {
            Service: 'application-autoscaling.amazonaws.com'
        };
    }
}
exports.default = Role;
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