AWSのIAMロール・ポリシーをソースコード管理するのに役立つツールライブラリ ref: http://qiita.com/tilfin/items/4e2157ebd7e761c31f82

file0.txt

{
    "Role": {
        "RoleName": "yourapp-ec2-api-ENV",
        "Path": "/",
        "AssumeRolePolicyDocument": {
            "Version": "2012-10-17",
            "Statement": [
                {
                    "Effect": "Allow",
                    "Principal": {
                        "Service": "ec2.amazonaws.com"
                    },
                    "Action": "sts:AssumeRole"
                }
            ]
        }
    },
    "AttachedPolicies": [
        {
            "PolicyName": "yourapp-s3-storage-ENV",
            "PolicyArn": "arn:aws:iam::ACCOUNT_ID:policy/yourapp-s3-storage-ENV"
        }
    ]
}

file1.txt

{
    "Version": "2012-10-17",
    "Statement": [
        {
            "Effect": "Allow",
            "Action": [
                "s3:PutObject",
                "s3:GetObject",
                "s3:DeleteObject"
            ],
            "Resource": "arn:aws:s3:::yourapp-storage-ENV/*"
        }
    ]
}

file2.txt

$ npm install -g aws-iam-policy-tool

file3.txt

$ awsiamtool export-role ./roles
$ awsiamtool export-policy ./policies

file4.txt

$ awsiamtool validate-role -i 111122223333 -e dev roles
$ awsiamtool validate-policy -i 111122223333  -e dev policies

file5.txt

$ AWS_PROFILE=prod awsiamtool import-policy -i 111122224444 -e prd policies
$ AWS_PROFILE=prod awsiamtool import-role -i 111122224444 -e prd roles

file6.js

const awsIamPolicyLib = require('aws-iam-policy-tool');

const opts = {
  json: true,
  overwrite: true
};

const varSets = {
  ACCOUNT_ID: '000011112222',
  ENV: 'stg',
  COMMON_ACCOUNT_ID: '333344445555'
};

awsIamPolicyLib.importPolicy('./policies', varSets, opts);
.then(() => {
  return awsIamPolicyLib.importRole('./roles', varSets, opts);  
})
.then(() => { console.info('Importing done') })
.catch(err => { console.error(err) });