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UpdateS3Function:
  Type: AWS::Serverless::Function
  Properties:
    Handler: app.saveToS3
    Runtime: python3.8
    Events:
      UpdateDatabaseScheduledEvent:
        Type: Schedule
        Properties:
          Schedule: rate(1 hour)

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sam validate -t template.yaml

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Vim Cheatsheet

Disclaimer: This cheatsheet is summarized from personal experience and other online tutorials. It should not be considered as an official advice.

Global

:help keyword # open help for keyword
:o file       # open file
:saveas file  # save file as
:close        # close current pane

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# in the root stack
Resources:
  WalletDatabase:
        Type: AWS::Serverless::Application
        Properties:
            Parameters:
                BRANCH: !Ref BRANCH
                ROOTSTACKNAME: !Ref 'AWS::StackName'
     

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registerFunction:
  Type: AWS::Serverless::Function
  Properties:
    CodeUri: member/
    Handler: app.register
    Runtime: python3.8
    FunctionName: !Join [ "-" , [ !Ref 'AWS::StackName', "register"]]
    Policies:
      - LambdaInvokePolicy:
          FunctionName: !Join [ "-", [ !Ref ROOTSTACKNAME, "get-member"]]

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iot = boto3.client(
    'iot-data',
    region_name='us-east-1',
    aws_access_key_id = USER,
    aws_secret_access_key = PW
    )

iot.update_thing_shadow(
    thingName = 'raspiHackathon',
    payload= json.dumps(

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import pickle
credLocation = 'drive/My Drive/.pynamodbDax'
user =''
pw = ''
if user and pw:
  with open (credLocation , 'wb') as f:
    pickle.dump({
        'user': user,
        'pw': pw
    }, f)

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def get_secret(secretName = None, accessKey=None, secretKey=None, region = 'ap-southeast-1'):
    secretManager = boto3.client(
      service_name='secretsmanager',
      region_name=region,
      aws_access_key_id = accessKey,
      aws_secret_access_key = secretKey
    )
    response = secretManager.get_secret_value(
      SecretId=secretName
    )

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# create bucket
config = Config(s3={"use_accelerate_endpoint": True,
                         "addressing_style": "virtual"})
s3 = boto3.client(
    's3',
    aws_access_key_id= ACCESS_KEY_ID,
    aws_secret_access_key= SECRET_ACCESS_KEY,
    region_name = REGION,
    config = config
)

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  import requests, bz2, boto3
  class S3:
    @staticmethod
    def s3():
      '''
      create and return s3 client
      '''
      config = Config(s3={"use_accelerate_endpoint": True,
                          "addressing_style": "virtual"})
      s3 = boto3.client(