changed lambda counter demo to work with AWS educate accounts

4 years ago · e213686f6a
3 changed files with 33 additions and 9 deletions
--- a/example-projects/counter-demo/aws-lambda/lambda_function.py
+++ b/example-projects/counter-demo/aws-lambda/lambda_function.py
@ -5,7 +5,7 @@ import boto3

 def lambda_handler(event, context):
    s3_client = boto3.client('s3')
-    response = s3_client.get_object(Bucket='vertsys-counter', Key='eu-central-1')
+    response = s3_client.get_object(Bucket='cloudcomp-counter', Key='us-east-1')

    counter = int(response['Body'].read().decode('utf-8'))

@ -20,13 +20,13 @@ def lambda_handler(event, context):

    if incr is not 0:
        counter = counter + incr
-        response = s3_client.put_object(Bucket='vertsys-counter', Key='eu-central-1', Body=str(counter))
+        response = s3_client.put_object(Bucket='cloudcomp-counter', Key='us-east-1', Body=str(counter))

    output = ('<html><head><title>TCPTimeCounter REST Service</title>\n'
              '<meta http-equiv="refresh" content="5"/></head><body>\n'
              '<h2>HS Fulda - TCPTimeCounter REST Service</h2>\n'
              '<p><b>HTML-Output:</b> ' + str(counter) + '</p></body>\n'
-              '<form method=POST action="/default/cloudcomp-counter-demo">\n'
+              '<form method=POST action="">\n'
              '<input type="hidden" name="input" value="1">\n'
              '<input type="submit" value="Increment"></form>\n'
              # '<hr><b>Lambda Event:</b><br>' + repr(event) + '\n'
--- a/example-projects/counter-demo/aws-lambda/start.py
+++ b/example-projects/counter-demo/aws-lambda/start.py
@ -7,10 +7,15 @@ import zipfile
 #
 ################################################################################################

-region = 'eu-central-1'
-functionName = 'cloudcomp-counter-lambda-demo'
-roleName = 'arn:aws:iam::309000625112:role/service-role/cloudcomp-counter-demo-role-6rs7pah3'
+# you need to create a bucket in S3, here in this demo it is called "cloudcomp-counter", but
+# bucket names need to be world wide unique ;) The demo looks for a file that is named
+# "us-east-1" (same as our default region) in the bucket and expects a number in it to increase

+# region = 'eu-central-1'
+region = 'us-east-1'
+functionName = 'cloudcomp-counter-lambda-demo'
+# roleName = 'arn:aws:iam::309000625112:role/service-role/cloudcomp-counter-demo-role-6rs7pah3'
+roleName = 'arn:aws:iam::919927306708:role/cloudcomp-s3-access'

 ################################################################################################
 #
@ -21,6 +26,7 @@ roleName = 'arn:aws:iam::309000625112:role/service-role/cloudcomp-counter-demo-r

 client = boto3.setup_default_session(region_name=region)
 lClient = boto3.client('lambda')
+apiClient = boto3.client("apigatewayv2")


 print("Deleting old function...")
@ -40,6 +46,7 @@ zf = zipfile.ZipFile('lambda-deployment-archive.zip', 'w', zipfile.ZIP_DEFLATED)
 zf.write('lambda_function.py')
 zf.close()

+lambdaFunctionARN = ""
 with open('lambda-deployment-archive.zip', mode='rb') as file:
    zipfileContent = file.read()

@ -53,3 +60,19 @@ with open('lambda-deployment-archive.zip', mode='rb') as file:
        Handler='lambda_function.lambda_handler',
        Publish=True,
    )
+    lambdaFunctionARN = response['FunctionArn']
+
+print("creating API gateway...")
+print("------------------------------------")
+
+#apiArn = ""
+response = apiClient.create_api(
+    Name=functionName + '-api',
+    ProtocolType='HTTP',
+    Target=lambdaFunctionARN
+)
+#apiArn=response['']
+
+#response = lClient.create_event_source_mapping(
+#    EventSourceArn=apiArn,
+#)
--- a/example-projects/counter-demo/aws-lambda/stop.py
+++ b/example-projects/counter-demo/aws-lambda/stop.py
@ -7,10 +7,11 @@ import zipfile
 #
 ################################################################################################

-region = 'eu-central-1'
+# region = 'eu-central-1'
+region = 'us-east-1'
 functionName = 'cloudcomp-counter-lambda-demo'
-roleName = 'arn:aws:iam::309000625112:role/service-role/cloudcomp-counter-demo-role-6rs7pah3'
-
+# roleName = 'arn:aws:iam::309000625112:role/service-role/cloudcomp-counter-demo-role-6rs7pah3'
+roleName = 'arn:aws:iam::919927306708:role/cloudcomp-s3-access'

 ################################################################################################
 #