如何使用Line Bot整合CI/CD流程 - 開發篇 取得環境差異名單

#import需要的Library
import json
import boto3

#程式處理本體
def lambda_handler(event, context):
    # TODO implement
    #從帶入的參數中取得要將程式碼部署到哪個環境
    deployEnv = event["deployEnv"]
    resultList = list()
    #boto3初始化，並將地區參數指定在要偵測Lambda Function的地區
    client = boto3.client('lambda', region_name='us-west-2')
    #取得該地區的Lambda Func清單
    lambdaFunctions = client.list_functions()["Functions"]
    for lf in lambdaFunctions:
        fName = lf["FunctionName"]
        fArn = lf["FunctionArn"]
        #初始化取得所需比較環境的Alias Name
        if deployEnv == "test":
            fQualifier = ("dev","test")
        elif deployEnv == "prod":
            fQualifier = ("test","prod")
        fSha256 = lf["CodeSha256"]

        try:
            #取得被部署環境的Function
            originConfiguration:str = client.get_function(FunctionName=fName,Qualifier=fQualifier[0])["Configuration"]
             #取得被部署環境的Function Hash code
            originSha256:str = originConfiguration["CodeSha256"]
            #取得部署環境的Function
            targetConfiguration:str = client.get_function(FunctionName=fName,Qualifier=fQualifier[1])["Configuration"]
             #取得部署環境的Function Hash code
            targetSha256:str = targetConfiguration["CodeSha256"]
            #檢測使用的Layer或其版本是否有差異
            originLayerSet = set()
            targetLayerSet = set()
            for oLayer in originConfiguration["Layers"]:
                originLayerSet.add(oLayer["Arn"])
            for tLayer in targetConfiguration["Layers"]:
                targetLayerSet.add(tLayer["Arn"])
            LayerDiff = originLayerSet.symmetric_difference(targetLayerSet)
            #若兩環境的Hash Code不同或Layer有差異，則代表該Function偵測到有新的版本
            if originSha256 != targetSha256 or len(LayerDiff) > 0:
                #加入回傳的List
                resultList.append({"fName":fName,"originVersion":originConfiguration["Version"],"targetVersion":targetConfiguration["Version"]})
                #print(fName+"'s "+ fQualifier[1]+ " enviroment" + " have update to version:" + updateResult["FunctionVersion"])
        except Exception as e:
            pass

    return {
        'statusCode': 200,
        'body': json.dumps(resultList)
    }