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pipeline.yaml
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AWSTemplateFormatVersion: 2010-09-09
Description: >
This template deploys a CI/CD pipeline used to build the Lex Web UI.
It deploys a CodePipeline pipeline, a CodeBuild project and and S3 buckets
to hold build artifacts and to host the application. It optionally deploys
a Lambda function to delete the S3 bucket. Additionally, it deploys the
related IAM roles needed for the stack.
Parameters:
CodePipelineName:
Type: String
Description: Name of CodePipeline to be created.
Default: lex-web-ui
MinLength: 1
MaxLength: 100
AllowedPattern: '^[A-Za-z0-9.@\-_]+$'
ConstraintDescription: Alphanumeric, dot and dash.
CodeCommitRepoName:
Type: String
Description: >
CodeCommit repository name to be used as the source of the
pipeline.
Default: lex-web-ui
MinLength: 1
MaxLength: 100
AllowedPattern: '^[\w\.-]+$'
ConstraintDescription: Alphanumeric, dot and dash.
RepoBranchName:
Type: String
Description: >
CodeCommit repository branch name to be used as the source of the
pipeline.
Default: master
MinLength: 1
MaxLength: 100
AllowedPattern: '^[\w\.-]+$'
ConstraintDescription: Alphanumeric, dot and dash.
CodeBuildName:
Type: String
Description: >
CodeBuild project to be created. Used for building the web app with
the pipeline.
Default: lex-web-ui
MinLength: 2
MaxLength: 255
AllowedPattern: '^[A-Za-z0-9][A-Za-z0-9\-_]{1,254}$'
ConstraintDescription: >
Should start with Alphanumeric. May contain alphanumeric, underscore
and dash.
CognitoIdentityPoolId:
Type: String
Description: >
Cognito Identity Pool Id to used in the web app configuration.
MinLength: 1
MaxLength: 55
AllowedPattern: '^[\w-]+:[0-9a-f-]+$'
ConstraintDescription: >
Alphanumeric followed by a column and ending with a hex uuid type.
CognitoAppUserPoolClientId:
Type: String
Description: >
Cognito App User Pool Client Id to used in the web app configuration.
CognitoUserPoolId:
Type: String
Description: >
Cognito App User Pool Id
BotName:
Type: String
Description: >
Name of Lex bot to be used in the web app configuration.
MinLength: 2
MaxLength: 50
AllowedPattern: '^[a-zA-Z]+((_[a-zA-Z]+)*|([a-zA-Z]+_)*|_)'
ConstraintDescription: >
Must conform with the permitted Lex Bot name pattern.
ParentOrigin:
Type: String
Description: >
Browser origin (e.g. http://mysite.example.com:8080) of an
existing site that is allowed to send/receive data and events
from the web ui in an iframe setup. This is an optional
parameter. If left empty, an S3 bucket will be created to
host a sample parent site embedding the webapp as an iframe.
AllowedPattern: '(^$|^https?://[\w\.-]+(:\d+)?$)'
ConstraintDescription: Empty or valid browser origin
CleanupBuckets:
Type: String
Default: true
AllowedValues:
- true
- false
Description: >
If set to True, buckets and their associated data will be deleted on
CloudFormation stack delete. If set to False, S3 buckets will be retained.
CustomResourceCodeBucket:
Type: String
Description: S3 bucket name for custom resource Lambda bundle
Default: aws-bigdata-blog
CustomResourceCodeObject:
Type: String
Description: >
S3 object zip file containing Lambda custom resource functions
Default: artifacts/aws-lex-web-ui/artifacts/custom-resources.zip
WebAppConfNegativeFeedback:
Type: String
Default: Thumbs down
Description: >
This optional parameter defines the message to be sent by the user upon pressing
a feedback button signaling a negative feedback.
If left empty feedback buttons will be disabled on the UI.
WebAppConfPositiveFeedback:
Type: String
Default: Thumbs up
Description: >
This optional parameter defines the message to be sent by the user upon pressing
a feedback button signaling a positive feedback.
If left empty feedback buttons will be disabled on the UI.
WebAppConfHelp:
Type: String
Default: Help
Description: >
This is an optional parameter, when defined with a value, a help button will display on the chat bot toolbar.
When pressed the button will send the entered string to the bot as a help message. If left empty
the help button will be disabled.
Conditions:
NeedsParentOrigin: !Equals [!Ref ParentOrigin, '']
ShouldCleanupBuckets: !Equals [!Ref CleanupBuckets, true]
Resources:
# Artifact Bucket used by CodePipeline and CodBuild
ArtifactStore:
Type: AWS::S3::Bucket
DeletionPolicy: Retain
Properties:
VersioningConfiguration:
Status: Enabled
# Bucket where the web app is deployed
WebAppBucket:
Type: AWS::S3::Bucket
DeletionPolicy: Retain
Properties:
WebsiteConfiguration:
IndexDocument: index.html
VersioningConfiguration:
Status: Enabled
# Bucket where the test parent page is hosted
ParentPageBucket:
Type: AWS::S3::Bucket
Condition: NeedsParentOrigin
DeletionPolicy: Retain
Properties:
WebsiteConfiguration:
IndexDocument: index.html
VersioningConfiguration:
Status: Enabled
CodeBuild:
Type: AWS::CodeBuild::Project
Properties:
Name: !Ref CodeBuildName
Description: Used to build the Lex Web UI
ServiceRole: !GetAtt CodeBuildRole.Arn
TimeoutInMinutes: 30
Artifacts:
Type: CODEPIPELINE
Environment:
Type: LINUX_CONTAINER
Image: aws/codebuild/nodejs:8.11.0
ComputeType: BUILD_GENERAL1_SMALL
EnvironmentVariables:
- Name: BUILD_TYPE
Value: full
- Name: POOL_ID
Value: !Ref CognitoIdentityPoolId
- Name: APP_USER_POOL_CLIENT_ID
Value: !Ref CognitoAppUserPoolClientId
- Name: APP_USER_POOL_NAME
Value: !Ref CognitoUserPoolId
- Name: WEBAPP_BUCKET
Value: !Ref WebAppBucket
- Name: AWS_DEFAULT_REGION
Value: !Sub "${AWS::Region}"
- Name: BOT_NAME
Value: !Ref BotName
- Name: PARENT_ORIGIN
Value: !If
- NeedsParentOrigin
- !Sub "https://${WebAppBucket.DomainName}"
- !Ref ParentOrigin
- Name: IFRAME_ORIGIN
Value: !Sub "https://${WebAppBucket.DomainName}"
- Name: NEGATIVE_INTENT
Value: !Ref WebAppConfNegativeFeedback
- Name: POSITIVE_INTENT
Value: !Ref WebAppConfPositiveFeedback
- Name: HELP_INTENT
Value: !Ref WebAppConfHelp
Source:
Type: CODEPIPELINE
BuildSpec: !Sub |
version: 0.1
phases:
install:
commands:
- npm install -g n
- n stable
- npm update -g npm
- make install-deps
pre_build:
commands:
- aws configure set region "$AWS_DEFAULT_REGION"
- make config
build:
commands:
- make build
post_build:
commands:
- make sync-website
CodeBuildRole:
Type: AWS::IAM::Role
Properties:
Path: /
AssumeRolePolicyDocument:
Version: 2012-10-17
Statement:
- Principal:
Service:
- codebuild.amazonaws.com
Effect: Allow
Action:
- sts:AssumeRole
Policies:
- PolicyName: CloudWatchLogsCodeBuild
PolicyDocument:
Version: 2012-10-17
Statement:
- Effect: Allow
Action:
- logs:CreateLogGroup
- logs:CreateLogStream
- logs:PutLogEvents
Resource:
- !Sub "arn:aws:logs:${AWS::Region}:${AWS::AccountId}:log-group:/aws/codebuild/${CodeBuildName}"
- !Sub "arn:aws:logs:${AWS::Region}:${AWS::AccountId}:log-group:/aws/codebuild/${CodeBuildName}:*"
- PolicyName: S3ReadWrite
PolicyDocument:
Version: 2012-10-17
Statement:
- Effect: Allow
Action:
- s3:Get*
- s3:Head*
- s3:List*
- s3:CreateMultipartUpload
- s3:CompleteMultipartUpload
- s3:AbortMultipartUpload
- s3:CopyObject
- s3:PutObject*
- s3:DeleteObject*
- s3:Upload*
Resource:
- !Sub "arn:aws:s3:::${ArtifactStore}"
- !Sub "arn:aws:s3:::${ArtifactStore}/*"
- !Sub "arn:aws:s3:::${WebAppBucket}"
- !Sub "arn:aws:s3:::${WebAppBucket}/*"
- !If
- NeedsParentOrigin
- !Sub "arn:aws:s3:::${ParentPageBucket}"
- !Ref AWS::NoValue
- !If
- NeedsParentOrigin
- !Sub "arn:aws:s3:::${ParentPageBucket}/*"
- !Ref AWS::NoValue
CodePipeline:
Type: AWS::CodePipeline::Pipeline
Properties:
Name: !Ref CodePipelineName
ArtifactStore:
Type: S3
Location: !Ref ArtifactStore
RoleArn: !GetAtt CodePipelineRole.Arn
Stages:
- Name: Source
Actions:
- Name: CodeCommitRepo
ActionTypeId:
Category: Source
Owner: AWS
Version: 1
Provider: CodeCommit
OutputArtifacts:
- Name: SourceOutput
Configuration:
RepositoryName: !Ref CodeCommitRepoName
BranchName: !Ref RepoBranchName
RunOrder: 1
- Name: BuildDeploy
Actions:
- Name: WebApp
InputArtifacts:
- Name: SourceOutput
ActionTypeId:
Category: Build
Owner: AWS
Version: 1
Provider: CodeBuild
Configuration:
ProjectName: !Ref CodeBuild
RunOrder: 1
CodePipelineRole:
Type: AWS::IAM::Role
Properties:
Path: /
AssumeRolePolicyDocument:
Version: 2012-10-17
Statement:
- Principal:
Service:
- codepipeline.amazonaws.com
Effect: Allow
Action:
- sts:AssumeRole
Policies:
- PolicyName: CodeCommit
PolicyDocument:
Version: 2012-10-17
Statement:
- Effect: Allow
Action:
- codecommit:GetBranch
- codecommit:GetCommit
- codecommit:UploadArchive
- codecommit:GetUploadArchiveStatus
- codecommit:CancelUploadArchive
Resource:
- !Sub "arn:aws:codecommit:${AWS::Region}:${AWS::AccountId}:${CodeCommitRepoName}"
- PolicyName: S3ReadWrite
PolicyDocument:
Version: 2012-10-17
Statement:
- Effect: Allow
Action:
- s3:Get*
- s3:Head*
- s3:List*
- s3:CreateMultipartUpload
- s3:CompleteMultipartUpload
- s3:AbortMultipartUpload
- s3:CopyObject
- s3:PutObject*
- s3:DeleteObject*
- s3:Upload*
Resource:
- !Sub "arn:aws:s3:::${ArtifactStore}"
- !Sub "arn:aws:s3:::${ArtifactStore}/*"
- PolicyName: CodeBuildStart
PolicyDocument:
Version: 2012-10-17
Statement:
- Effect: Allow
Action:
- codebuild:BatchGetBuilds
- codebuild:StartBuild
Resource: !GetAtt CodeBuild.Arn
# custom resource to cleanup S3 buckets
S3Cleanup:
Type: Custom::S3Cleanup
Condition: ShouldCleanupBuckets
Properties:
ServiceToken: !GetAtt S3CleanupLambda.Arn
Buckets:
- !Ref ArtifactStore
- !Ref WebAppBucket
- !If
- NeedsParentOrigin
- !Ref ParentPageBucket
- !Ref AWS::NoValue
# Lambda function for custom resource
S3CleanupLambda:
Type: AWS::Lambda::Function
Condition: ShouldCleanupBuckets
Properties:
Code:
S3Bucket: !Ref CustomResourceCodeBucket
S3Key: !Ref CustomResourceCodeObject
Handler: s3-cleanup.handler
Role: !GetAtt S3CleanupLambdaRole.Arn
Runtime: python2.7
Timeout: 120
S3CleanupLambdaRole:
Type: AWS::IAM::Role
Condition: ShouldCleanupBuckets
Properties:
Path: /
AssumeRolePolicyDocument:
Version: 2012-10-17
Statement:
- Principal:
Service:
- lambda.amazonaws.com
Effect: Allow
Action:
- sts:AssumeRole
Policies:
- PolicyName: LogsForLambda
PolicyDocument:
Version: 2012-10-17
Statement:
- Effect: Allow
Action:
- logs:CreateLogGroup
- logs:CreateLogStream
- logs:PutLogEvents
Resource:
- !Sub "arn:aws:logs:${AWS::Region}:${AWS::AccountId}:log-group:/aws/lambda/*"
- !Sub "arn:aws:logs:${AWS::Region}:${AWS::AccountId}:log-group:/aws/lambda/*:*"
- PolicyName: S3All
PolicyDocument:
Version: 2012-10-17
Statement:
- Effect: Allow
Action:
- s3:*
Resource:
- !Sub "arn:aws:s3:::${ArtifactStore}"
- !Sub "arn:aws:s3:::${ArtifactStore}/*"
- !Sub "arn:aws:s3:::${WebAppBucket}"
- !Sub "arn:aws:s3:::${WebAppBucket}/*"
- !If
- NeedsParentOrigin
- !Sub "arn:aws:s3:::${ParentPageBucket}"
- !Ref AWS::NoValue
- !If
- NeedsParentOrigin
- !Sub "arn:aws:s3:::${ParentPageBucket}/*"
- !Ref AWS::NoValue
Outputs:
PipelineName:
Value: !Ref CodePipeline
Description: Name of CodePipeline pipeline
WebAppUrl:
Value: !Sub "https://${WebAppBucket.DomainName}/index.html"
Description: URL of the web application
WebAppBase:
Value: !Sub "https://${WebAppBucket.DomainName}"
Description: Base url portion of the web application
WebAppDomainName:
Value: !Sub "${WebAppBucket.DomainName}"
Description: DomainName of the web application
ParentPageUrl:
Value: !Sub "https://${WebAppBucket.DomainName}/parent.html"
Description: URL of the sample parent page
Condition: NeedsParentOrigin
LoaderScriptUrl:
Value: !Sub "https://${WebAppBucket.DomainName}/lex-web-ui-loader.min.js"
Description: URL of the loader script
Condition: NeedsParentOrigin
SnippetUrl:
Value: !Sub "https://${WebAppBucket.DomainName}/iframe-snippet.html"
Description: URL of a page showing the snippet to load the chatbot UI as an iframe
Condition: NeedsParentOrigin