-
Notifications
You must be signed in to change notification settings - Fork 9
/
template.yml
558 lines (539 loc) · 19.2 KB
/
template.yml
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
# Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
# SPDX-License-Identifier: MIT-0
---
AWSTemplateFormatVersion: "2010-09-09"
Transform: "AWS::Serverless-2016-10-31"
Description: New account provisioning automation
Parameters:
ExecutionRoleName:
Type: String
Description: Execution IAM role name
Default: AWSControlTowerExecution
PortfolioIds:
Type: CommaDelimitedList
Description: Service Catalog Portfolio IDs
Default: ""
PermissionSets:
Type: CommaDelimitedList
Description: AWS SSO Permission Set names
Default: ""
SigningProfileVersionArn:
Type: String
Description: Code Signing Profile Version ARN
GitHubOrg:
Type: String
Description: Source code organization
Default: aws-samples
GitHubRepo:
Type: String
Description: Source code repository
Default: aws-control-tower-account-setup-using-step-functions
Globals:
Function:
Architectures:
- arm64
Environment:
Variables:
POWERTOOLS_METRICS_NAMESPACE: AccountSetup
LOG_LEVEL: INFO
Handler: lambda_handler.handler
Layers:
- !Ref DependencyLayer
MemorySize: 128 # megabytes
Runtime: python3.12
Tags:
GITHUB_ORG: !Ref GitHubOrg
GITHUB_REPO: !Ref GitHubRepo
Timeout: 20 # seconds
Tracing: Active
Resources:
CodeSigningConfig:
Type: "AWS::Lambda::CodeSigningConfig"
Properties:
Description: AccountSetup Code Signing
AllowedPublishers:
SigningProfileVersionArns:
- !Ref SigningProfileVersionArn
CodeSigningPolicies:
UntrustedArtifactOnDeployment: Enforce
DependencyLayer:
Type: "AWS::Serverless::LayerVersion"
Metadata:
BuildMethod: python3.12
BuildArchitecture: arm64
Properties:
LicenseInfo: MIT-0
CompatibleArchitectures:
- arm64
CompatibleRuntimes:
- python3.12
ContentUri: dependencies
Description: DO NOT DELETE - AccountSetup - Latest versions of common Python packages
RetentionPolicy: Delete
RegionalFunctionLogGroup:
Type: "AWS::Logs::LogGroup"
UpdateReplacePolicy: Delete
DeletionPolicy: Delete
Metadata:
cfn_nag:
rules_to_suppress:
- id: W84
reason: "Ignoring KMS key"
Properties:
LogGroupName: !Sub "/aws/lambda/${RegionalFunction}"
RetentionInDays: 3
RegionalFunctionRole:
Type: "AWS::IAM::Role"
Properties:
AssumeRolePolicyDocument:
Version: "2012-10-17"
Statement:
Effect: Allow
Principal:
Service: !Sub "lambda.${AWS::URLSuffix}"
Action: "sts:AssumeRole"
Description: !Sub "DO NOT DELETE - Used by Lambda. Created by CloudFormation ${AWS::StackId}"
Tags:
- Key: "aws-cloudformation:stack-name"
Value: !Ref "AWS::StackName"
- Key: "aws-cloudformation:stack-id"
Value: !Ref "AWS::StackId"
- Key: "aws-cloudformation:logical-id"
Value: RegionalFunctionRole
- Key: GITHUB_ORG
Value: !Ref GitHubOrg
- Key: GITHUG_REPO
Value: !Ref GitHubRepo
RegionalFunctionPolicy:
Type: "AWS::IAM::Policy"
Properties:
PolicyName: CloudWatchLogs
PolicyDocument:
Version: "2012-10-17"
Statement:
- Effect: Allow
Action:
- "logs:CreateLogStream"
- "logs:PutLogEvents"
Resource: !GetAtt RegionalFunctionLogGroup.Arn
Roles:
- !Ref RegionalFunctionRole
RegionalFunction:
Type: "AWS::Serverless::Function"
Metadata:
cfn_nag:
rules_to_suppress:
- id: W58
reason: "Ignoring CloudWatch Logs"
- id: W89
reason: "Ignoring VPC"
Properties:
CodeSigningConfigArn: !Ref CodeSigningConfig
CodeUri: src/regional
Description: DO NOT DELETE - AccountSetup - Regional Configuration
Environment:
Variables:
POWERTOOLS_SERVICE_NAME: regional
Handler: account_setup.lambda_handler.handler
ReservedConcurrentExecutions: 30
Role: !GetAtt RegionalFunctionRole.Arn
SSOAssignmentFunctionLogGroup:
Type: "AWS::Logs::LogGroup"
UpdateReplacePolicy: Delete
DeletionPolicy: Delete
Metadata:
cfn_nag:
rules_to_suppress:
- id: W84
reason: "Ignoring KMS key"
Properties:
LogGroupName: !Sub "/aws/lambda/${SSOAssignmentFunction}"
RetentionInDays: 3
SSOAssignmentFunctionRole:
Type: "AWS::IAM::Role"
Metadata:
cfn_nag:
rules_to_suppress:
- id: W11
reason: "Ignoring wildcard resource"
Properties:
AssumeRolePolicyDocument:
Version: "2012-10-17"
Statement:
Effect: Allow
Principal:
Service: !Sub "lambda.${AWS::URLSuffix}"
Action: "sts:AssumeRole"
Description: !Sub "DO NOT DELETE - Used by Lambda. Created by CloudFormation ${AWS::StackId}"
Policies:
- PolicyName: SSOAssignmentFunctionPolicy
PolicyDocument:
Version: "2012-10-17"
Statement:
- Effect: Allow
Action:
- "organizations:ListAccounts"
- "identitystore:GetGroupId"
- "identitystore:ListGroups"
- "sso:CreateAccountAssignment"
- "sso:DescribePermissionSet"
- "sso:DeleteAccountAssignment"
- "sso:ListInstances"
- "sso:ListPermissionSets"
Resource: "*"
Tags:
- Key: "aws-cloudformation:stack-name"
Value: !Ref "AWS::StackName"
- Key: "aws-cloudformation:stack-id"
Value: !Ref "AWS::StackId"
- Key: "aws-cloudformation:logical-id"
Value: SSOAssignmentFunctionRole
- Key: GITHUB_ORG
Value: !Ref GitHubOrg
- Key: GITHUG_REPO
Value: !Ref GitHubRepo
SSOAssignmentFunctionPolicy:
Type: "AWS::IAM::Policy"
Properties:
PolicyName: CloudWatchLogs
PolicyDocument:
Version: "2012-10-17"
Statement:
- Effect: Allow
Action:
- "logs:CreateLogStream"
- "logs:PutLogEvents"
Resource: !GetAtt SSOAssignmentFunctionLogGroup.Arn
Roles:
- !Ref SSOAssignmentFunctionRole
SSOAssignmentFunction:
Type: "AWS::Serverless::Function"
Metadata:
cfn_nag:
rules_to_suppress:
- id: W58
reason: "Ignoring CloudWatch Logs"
- id: W89
reason: "Ignoring VPC"
Properties:
CodeSigningConfigArn: !Ref CodeSigningConfig
CodeUri: src/sso_assignment
Description: DO NOT DELETE - AccountSetup - SSO Assignment
Environment:
Variables:
POWERTOOLS_SERVICE_NAME: sso_assignment
Events:
CreateGroupEvent:
Type: EventBridgeRule
Properties:
InputPath: "$.detail"
Pattern:
"detail-type":
- "AWS API Call via CloudTrail"
detail:
eventSource:
- "sso-directory.amazonaws.com"
eventName:
- CreateGroup
Handler: account_setup.lambda_handler.handler
ReservedConcurrentExecutions: 1
Role: !GetAtt SSOAssignmentFunctionRole.Arn
Timeout: 300 # 5 minutes
ServiceCatalogPortfolioFunctionLogGroup:
Type: "AWS::Logs::LogGroup"
UpdateReplacePolicy: Delete
DeletionPolicy: Delete
Metadata:
cfn_nag:
rules_to_suppress:
- id: W84
reason: "Ignoring KMS key"
Properties:
LogGroupName: !Sub "/aws/lambda/${ServiceCatalogPortfolioFunction}"
RetentionInDays: 3
ServiceCatalogPortfolioFunctionRole:
Type: "AWS::IAM::Role"
Properties:
AssumeRolePolicyDocument:
Version: "2012-10-17"
Statement:
Effect: Allow
Principal:
Service: !Sub "lambda.${AWS::URLSuffix}"
Action: "sts:AssumeRole"
Description: !Sub "DO NOT DELETE - Used by Lambda. Created by CloudFormation ${AWS::StackId}"
Tags:
- Key: "aws-cloudformation:stack-name"
Value: !Ref "AWS::StackName"
- Key: "aws-cloudformation:stack-id"
Value: !Ref "AWS::StackId"
- Key: "aws-cloudformation:logical-id"
Value: ServiceCatalogPortfolioFunctionRole
- Key: GITHUB_ORG
Value: !Ref GitHubOrg
- Key: GITHUG_REPO
Value: !Ref GitHubRepo
ServiceCatalogPortfolioFunctionPolicy:
Type: "AWS::IAM::Policy"
Properties:
PolicyName: CloudWatchLogs
PolicyDocument:
Version: "2012-10-17"
Statement:
- Effect: Allow
Action:
- "logs:CreateLogStream"
- "logs:PutLogEvents"
Resource: !GetAtt ServiceCatalogPortfolioFunctionLogGroup.Arn
Roles:
- !Ref ServiceCatalogPortfolioFunctionRole
ServiceCatalogPortfolioFunction:
Type: "AWS::Serverless::Function"
Metadata:
cfn_nag:
rules_to_suppress:
- id: W58
reason: "Ignoring CloudWatch Logs"
- id: W89
reason: "Ignoring VPC"
Properties:
CodeSigningConfigArn: !Ref CodeSigningConfig
CodeUri: src/service_catalog_portfolio
Description: DO NOT DELETE - AccountSetup - Service Catalog Portfolio
Environment:
Variables:
POWERTOOLS_SERVICE_NAME: service_catalog_portfolio
PORTFOLIO_IDS: !Join [",", !Ref PortfolioIds]
PERMISSION_SET_NAMES: !Join [",", !Ref PermissionSets]
Handler: account_setup.lambda_handler.handler
ReservedConcurrentExecutions: 1
Role: !GetAtt ServiceCatalogPortfolioFunctionRole.Arn
Timeout: 300 # 5 minutes
ControlTowerAssumePolicy:
Type: "AWS::IAM::Policy"
Properties:
PolicyName: ControlTowerAssumePolicy
PolicyDocument:
Version: "2012-10-17"
Statement:
- Effect: Allow
Action: "sts:AssumeRole"
Resource: !Sub "arn:${AWS::Partition}:iam::*:role/AWSControlTowerExecution"
Roles:
- !Ref ServiceCatalogPortfolioFunctionRole
- !Ref RegionalFunctionRole
- !Ref StateMachineRole
StateMachine:
Type: "AWS::Serverless::StateMachine"
Properties:
Definition:
StartAt: BuildParameters
States:
BuildParameters:
Type: Pass
InputPath: "$.account"
Parameters:
"AccountId.$": "$.accountId"
"ExecutionRoleArn.$": "States.Format('arn:aws:iam::{}:role/${ExecutionRoleName}', $.accountId)"
Next: UpdatePasswordPolicy
UpdatePasswordPolicy:
Type: Task
Resource: "arn:aws:states:::aws-sdk:iam:updateAccountPasswordPolicy"
Credentials:
"RoleArn.$": "$.ExecutionRoleArn"
Parameters:
MinimumPasswordLength: 14 # https://docs.aws.amazon.com/securityhub/latest/userguide/securityhub-cis-controls.html#securityhub-cis-controls-1.9
RequireSymbols: true # https://docs.aws.amazon.com/securityhub/latest/userguide/securityhub-cis-controls.html#securityhub-cis-controls-1.7
RequireNumbers: true # https://docs.aws.amazon.com/securityhub/latest/userguide/securityhub-cis-controls.html#securityhub-cis-controls-1.8
RequireUppercaseCharacters: true # https://docs.aws.amazon.com/securityhub/latest/userguide/securityhub-cis-controls.html#securityhub-cis-controls-1.5
RequireLowercaseCharacters: true # https://docs.aws.amazon.com/securityhub/latest/userguide/securityhub-cis-controls.html#securityhub-cis-controls-1.6
AllowUsersToChangePassword: true
MaxPasswordAge: 90 # https://docs.aws.amazon.com/securityhub/latest/userguide/securityhub-cis-controls.html#securityhub-cis-controls-1.11
PasswordReusePrevention: 24 # https://docs.aws.amazon.com/securityhub/latest/userguide/securityhub-cis-controls.html#securityhub-cis-controls-1.10
HardExpiry: false
ResultPath: null # discard result and keep original input
Next: PublicAccessBlock
PublicAccessBlock:
Type: Task
Resource: "arn:aws:states:::aws-sdk:s3control:putPublicAccessBlock"
Credentials:
"RoleArn.$": "$.ExecutionRoleArn"
Parameters:
PublicAccessBlockConfiguration:
BlockPublicAcls: true
IgnorePublicAcls: true
BlockPublicPolicy: true
RestrictPublicBuckets: true
"AccountId.$": "$.AccountId"
ResultPath: null # discard result and keep original input
Next: Route53PolicyDocument
Route53PolicyDocument:
Type: Pass
Result:
PolicyDocument: |-
\{
"Version": "2012-10-17",
"Statement": [
\{
"Sid": "Route53LogsToCloudWatchLogs",
"Effect": "Allow",
"Principal": \{
"Service": "route53.amazonaws.com"
\},
"Action": [
"logs:CreateLogStream",
"logs:PutLogEvents"
],
"Resource": "arn:aws:logs:us-east-1:{}:log-group:/aws/route53/*",
"Condition": \{
"StringEquals": \{
"aws:SourceAccount": "{}"
\}
\}
\}
]
\}
ResultPath: "$.Policy"
Next: Route53LoggingPolicy
Route53LoggingPolicy:
Type: Task
Resource: "arn:aws:states:::aws-sdk:cloudwatchlogs:putResourcePolicy"
Credentials:
"RoleArn.$": "$.ExecutionRoleArn"
Parameters:
PolicyName: AWSServiceRoleForRoute53
"PolicyDocument.$": States.Format($.Policy.PolicyDocument, $.AccountId, $.AccountId)
ResultPath: null # discard result and keep original input
Next: DescribeRegions
DescribeRegions:
Type: Task
Resource: "arn:aws:states:::aws-sdk:ec2:describeRegions"
Parameters:
Filters:
- Name: opt-in-status
Values:
- opt-in-not-required
AllRegions: false
ResultSelector:
"RegionNames.$": "$.Regions[*].RegionName"
ResultPath: "$.Regions"
Next: AllRegions
AllRegions:
Type: Map
ItemsPath: "$.Regions.RegionNames"
MaxConcurrency: 0
ItemSelector:
"AccountId.$": "$.AccountId"
"Region.$": "$$.Map.Item.Value"
"ExecutionRoleArn.$": "$.ExecutionRoleArn"
ItemProcessor:
StartAt: EbsEncryptionByDefault
States:
EbsEncryptionByDefault:
Type: Task
Resource: "arn:aws:states:::aws-sdk:ec2:enableEbsEncryptionByDefault"
Credentials:
"RoleArn.$": "$.ExecutionRoleArn"
Parameters: {}
ResultPath: null # discard result and keep original input
Next: DisableSsmPublicSharing
DisableSsmPublicSharing:
Type: Task
Resource: "arn:aws:states:::aws-sdk:ssm:updateServiceSetting"
Credentials:
"RoleArn.$": "$.ExecutionRoleArn"
Parameters:
"SettingId.$": "States.Format('arn:aws:ssm:{}:{}:servicesetting/ssm/documents/console/public-sharing-permission', $.Region, $.AccountId)"
SettingValue: Disable
Catch:
- ErrorEquals:
- States.ALL
ResultPath: null # discard result and keep original input
Next: IgnoreError
ResultPath: null # discard result and keep original input
Next: Regional
IgnoreError:
Type: Pass
Next: Regional
Regional:
Type: Task
Resource: !GetAtt RegionalFunction.Arn
Retry:
- ErrorEquals:
- Lambda.TooManyRequestsException
- Lambda.ServiceException
- Lambda.AWSLambdaException
- Lambda.SdkClientException
IntervalSeconds: 2
MaxAttempts: 6
BackoffRate: 2
TimeoutSeconds: 20
End: true
ResultPath: null # discard result and keep original input
Next: SSOAssignment
SSOAssignment:
Type: Task
Resource: !GetAtt SSOAssignmentFunction.Arn
Retry:
- ErrorEquals:
- Lambda.TooManyRequestsException
- Lambda.ServiceException
- Lambda.AWSLambdaException
- Lambda.SdkClientException
IntervalSeconds: 2
MaxAttempts: 6
BackoffRate: 2
TimeoutSeconds: 300
ResultPath: null # discard result and keep original input
Next: ServiceCatalogPortfolio
ServiceCatalogPortfolio:
Type: Task
Resource: !GetAtt ServiceCatalogPortfolioFunction.Arn
Retry:
- ErrorEquals:
- Lambda.TooManyRequestsException
- Lambda.ServiceException
- Lambda.AWSLambdaException
- Lambda.SdkClientException
IntervalSeconds: 2
MaxAttempts: 6
BackoffRate: 2
TimeoutSeconds: 300
End: true
DefinitionSubstitutions:
ExecutionRoleName: !Ref ExecutionRoleName
Events:
CreateAccountEvent:
Type: EventBridgeRule
Properties:
InputPath: "$.detail.serviceEventDetails.createManagedAccountStatus"
Pattern:
source:
- "aws.controltower"
"detail-type":
- "AWS Service Event via CloudTrail"
detail:
eventName:
- CreateManagedAccount
serviceEventDetails:
createManagedAccountStatus:
state:
- SUCCEEDED
Policies:
- Version: "2012-10-17"
Statement:
- Effect: Allow
Action: "ec2:DescribeRegions"
Resource: "*"
- Effect: Allow
Action: "lambda:InvokeFunction"
Resource:
- !GetAtt SSOAssignmentFunction.Arn
- !GetAtt ServiceCatalogPortfolioFunction.Arn
- !GetAtt RegionalFunction.Arn
Tags:
GITHUB_ORG: !Ref GitHubOrg
GITHUB_REPO: !Ref GitHubRepo
Tracing:
Enabled: true
Type: STANDARD