SAM with graphql example

template.yml

AWSTemplateFormatVersion: 2010-09-09
Description: GraphQL Example Stack
Resources:
  DeploymentMarkerTagIAPO39:
    Type: AWS::CloudFormation::WaitConditionHandle
  Graphql:
    DependsOn: DeploymentMarkerTagIAPO39
    Properties:
      AuthenticationType: API_KEY
      LogConfig:
        CloudWatchLogsRoleArn:
          Fn::GetAtt:
          - GraphqlLogsRole
          - Arn
        FieldLogLevel: ERROR
      Name: Graphql
    Type: AWS::AppSync::GraphQLApi
  GraphqlLogsRole:
    DependsOn: DeploymentMarkerTagIAPO39
    Properties:
      AssumeRolePolicyDocument:
        Statement:
          Action: sts:AssumeRole
          Effect: Allow
          Principal:
            Service: appsync.amazonaws.com
        Version: 2012-10-17
      Policies:
      - PolicyDocument:
          Statement:
          - Action:
            - logs:CreateLogGroup
            - logs:CreateLogStream
            - logs:PutLogEvents
            Effect: Allow
            Resource:
            - Fn::Sub: arn:aws:logs:${AWS::Region}:${AWS::AccountId}:log-group:/aws/appsync/apis/*
            - Fn::Sub: arn:aws:logs:${AWS::Region}:${AWS::AccountId}:log-group:/aws/appsync/apis/*:log-stream:*
          Version: 2012-10-17
        PolicyName: Log
      RoleName:
        Fn::Sub: ${AWS::StackName}-Graphql-logs
    Type: AWS::IAM::Role
  GraphqlMutationaddPostResolver:
    DependsOn:
    - GraphqlSchema
    - DeploymentMarkerTagIAPO39
    Properties:
      ApiId:
        Fn::GetAtt:
        - Graphql
        - ApiId
      DataSourceName:
        Fn::GetAtt:
        - GraphqlToLambdaResolverDataSource
        - Name
      FieldName: addPost
      RequestMappingTemplateS3Location: ../../template/Graphql/Mutation-addPost-request.vm
      ResponseMappingTemplateS3Location: ../../template/Graphql/Mutation-addPost-response.vm
      TypeName: Mutation
    Type: AWS::AppSync::Resolver
  GraphqlQueryallPostsResolver:
    DependsOn:
    - GraphqlSchema
    - DeploymentMarkerTagIAPO39
    Properties:
      ApiId:
        Fn::GetAtt:
        - Graphql
        - ApiId
      DataSourceName:
        Fn::GetAtt:
        - GraphqlToLambdaResolverDataSource
        - Name
      FieldName: allPosts
      RequestMappingTemplateS3Location: ../../template/Graphql/Query-allPosts-request.vm
      ResponseMappingTemplateS3Location: ../../template/Graphql/Query-allPosts-response.vm
      TypeName: Query
    Type: AWS::AppSync::Resolver
  GraphqlQuerygetPostResolver:
    DependsOn:
    - GraphqlSchema
    - DeploymentMarkerTagIAPO39
    Properties:
      ApiId:
        Fn::GetAtt:
        - Graphql
        - ApiId
      DataSourceName:
        Fn::GetAtt:
        - GraphqlToLambdaResolverDataSource
        - Name
      FieldName: getPost
      RequestMappingTemplateS3Location: ../../template/Graphql/Query-getPost-request.vm
      ResponseMappingTemplateS3Location: ../../template/Graphql/Query-getPost-response.vm
      TypeName: Query
    Type: AWS::AppSync::GraphQLSchema
  GraphqlSchema:
    DependsOn: DeploymentMarkerTagIAPO39
    Properties:
      ApiId:
        Fn::GetAtt:
        - Graphql
        - ApiId
      DefinitionS3Location: ../../template/Graphql/schema.graphql
    Type: AWS::AppSync::GraphQLSchema
  GraphqlToLambdaResolverAccessRole:
    DependsOn: DeploymentMarkerTagIAPO39
    Properties:
      AssumeRolePolicyDocument:
        Statement:
          Action: sts:AssumeRole
          Effect: Allow
          Principal:
            Service: appsync.amazonaws.com
        Version: 2012-10-17
      Policies:
      - PolicyDocument:
          Statement:
          - Action: lambda:InvokeFunction
            Effect: Allow
            Resource:
              Fn::GetAtt:
              - LambdaResolver
              - Arn
          Version: 2012-10-17
        PolicyName: Access
      RoleName:
        Fn::Sub: ${AWS::StackName}-Graphql-to-LambdaRes
    Type: AWS::IAM::Role
  GraphqlToLambdaResolverDataSource:
    DependsOn: DeploymentMarkerTagIAPO39
    Properties:
      ApiId:
        Fn::GetAtt:
        - Graphql
        - ApiId
      LambdaConfig:
        LambdaFunctionArn:
          Fn::GetAtt:
          - LambdaResolver
          - Arn
      Name: LambdaResolver
      ServiceRoleArn:
        Fn::GetAtt:
        - GraphqlToLambdaResolverAccessRole
        - Arn
      Type: AWS_LAMBDA
    Type: AWS::AppSync::DataSource
  LambdaResolver:
    DependsOn: DeploymentMarkerTagIAPO39
    Properties:
      CodeUri: LambdaResolver
      FunctionName:
        Fn::Sub: ${AWS::StackName}-LambdaResolver
      Handler: index.handler
      MemorySize: 3008
      Policies:
      - AWSXrayWriteOnlyAccess
      Runtime: nodejs8.10
      Timeout: 30
      Tracing: Active
    Type: AWS::Serverless::Function
Transform: AWS::Serverless-2016-10-31

$tree .aws-sam -L 2
.aws-sam
└── build
    ├── LambdaResolver
    └── template.yaml