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feat: Working version of basic example (#12)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,42 @@ | ||
| import json | ||
| import boto3 | ||
| import ast | ||
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| print('Loading function') | ||
| sns = boto3.client('sns') | ||
| dynamodb = boto3.client('dynamodb') | ||
| topic_url = "${topic_url}" | ||
| table_url = "${table_url}" | ||
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| def lambda_handler(event, context): | ||
| for record in event['Records']: | ||
| payload = record["body"].replace("'",'"') | ||
| print("Received SQS message: " + payload) | ||
| data = json.loads(payload) | ||
| print("Converted data: " + str(data)) | ||
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| if "message" in data and "key" in data: | ||
| item = dynamodb.put_item( | ||
| TableName=table_url, | ||
| Item= | ||
| { | ||
| 'ID': { | ||
| 'S': str(data["key"]), | ||
| }, | ||
| 'message': { | ||
| 'S': str(data["message"]), | ||
| } | ||
| } | ||
| ) | ||
| print("Insert item into DynamoDB: " + item['ResponseMetadata']['RequestId']) | ||
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| if "transport" in data and data["transport"] == "mail": | ||
| subject = "Message from SQS" | ||
| response = sns.publish( | ||
| TopicArn=topic_url, | ||
| Message=str(payload), | ||
| Subject=subject, | ||
| ) | ||
| print("Send SNS event: " + response['MessageId']) |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,70 @@ | ||
| import json | ||
| import urllib.parse | ||
| import boto3 | ||
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| # Function based on documentation: | ||
| # https://boto3.amazonaws.com/v1/documentation/api/latest/guide/sqs-example-sending-receiving-msgs.html | ||
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| print('Loading function') | ||
| sqs = boto3.client('sqs') | ||
| queue_url = "${queue_url}" | ||
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| def lambda_handler(event, context): | ||
| print("Received event: " + json.dumps(event, indent=2)) | ||
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| if 'body' in event: | ||
| message = str(json.loads(str(event['body']))) | ||
| elif 'queryStringParameters' in event: | ||
| message = str(event['queryStringParameters']) | ||
| else: | ||
| message = "empty message" | ||
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| response = sqs.send_message( | ||
| QueueUrl=queue_url, | ||
| DelaySeconds=10, | ||
| MessageAttributes={ | ||
| 'Deployment': { | ||
| 'DataType': 'String', | ||
| 'StringValue': 'Terraform' | ||
| }, | ||
| 'Language': { | ||
| 'DataType': 'String', | ||
| 'StringValue': 'Python' | ||
| }, | ||
| 'Version': { | ||
| 'DataType': 'Number', | ||
| 'StringValue': '1' | ||
| }, | ||
| 'ARN': { | ||
| 'DataType': 'String', | ||
| 'StringValue': context.invoked_function_arn | ||
| }, | ||
| 'RequestID': { | ||
| 'DataType': 'String', | ||
| 'StringValue': context.aws_request_id | ||
| }, | ||
| 'Message': { | ||
| 'DataType': 'String', | ||
| 'StringValue': message | ||
| }, | ||
| }, | ||
| MessageBody=( | ||
| message | ||
| ) | ||
| ) | ||
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| print("Send SQS message: " + response['MessageId']) | ||
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| return { | ||
| "statusCode": 200, | ||
| "headers": { | ||
| "Content-Type": "application/json" | ||
| }, | ||
| "body": json.dumps({ | ||
| "RequestID ": context.aws_request_id, | ||
| "ReceivedMessage": message | ||
| }) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,32 +1,93 @@ | ||
| module "lambda" { | ||
| source = "sebastianczech/free-serverless-modules/aws//modules/lambda" | ||
| # https://registry.terraform.io/providers/hashicorp/archive/latest/docs/data-sources/file | ||
| data "archive_file" "producer" { | ||
| type = "zip" | ||
| source { | ||
| content = templatefile("files/producer.py", { | ||
| queue_url = module.sqs.id | ||
| }) | ||
| filename = "producer.py" | ||
| } | ||
| output_path = "files/producer.zip" | ||
| } | ||
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| # https://registry.terraform.io/providers/hashicorp/archive/latest/docs/data-sources/file | ||
| data "archive_file" "consumer" { | ||
| type = "zip" | ||
| source { | ||
| content = templatefile("files/consumer.py", { | ||
| topic_url = module.sns.id, | ||
| table_url = module.dynamodb.id | ||
| }) | ||
| filename = "consumer.py" | ||
| } | ||
| output_path = "files/consumer.zip" | ||
| } | ||
|
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| module "lambda_producer" { | ||
| source = "../../modules/lambda" | ||
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| name = "${var.prefix}-lambda-producer" | ||
| iam_user_name = var.iam_username | ||
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| filename = data.archive_file.producer.output_path | ||
| handler = "producer.lambda_handler" | ||
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| name = "my-lambda" | ||
| iam_user_name = "my-iam-user" | ||
| sqs = { | ||
| arn = "arn:aws:sqs:us-east-1:123456789012:my-sqs" | ||
| url = "https://sqs.us-east-1.amazonaws.com/123456789012/my-sqs" | ||
| enabled = true | ||
| arn = module.sqs.arn | ||
| } | ||
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| sns = { | ||
| enabled = false | ||
| } | ||
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| dynamodb = { | ||
| enabled = false | ||
| } | ||
| } | ||
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| module "lambda_consumer" { | ||
| source = "../../modules/lambda" | ||
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| name = "${var.prefix}-lambda-consumer" | ||
| iam_user_name = var.iam_username | ||
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| filename = data.archive_file.consumer.output_path | ||
| handler = "consumer.lambda_handler" | ||
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| sqs = { | ||
| enabled = true | ||
| trigger_lambda = true | ||
| arn = module.sqs.arn | ||
| } | ||
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| sns = { | ||
| enabled = true | ||
| arn = module.sns.arn | ||
| } | ||
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| dynamodb = { | ||
| enabled = true | ||
| arn = module.dynamodb.arn | ||
| } | ||
| } | ||
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| module "dynamodb" { | ||
| source = "sebastianczech/free-serverless-modules/aws//modules/dynamodb" | ||
| source = "../../modules/dynamodb" | ||
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| name = "my-dynamodb" | ||
| read_capacity = 5 | ||
| write_capacity = 5 | ||
| name = "${var.prefix}-dynamodb" | ||
| } | ||
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| module "sns" { | ||
| source = "sebastianczech/free-serverless-modules/aws//modules/sns" | ||
| source = "../../modules/sns" | ||
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| name = "my-sns" | ||
| name = "${var.prefix}-sns" | ||
| protocol = "email" | ||
| endpoint = "[email protected]" | ||
| endpoint = var.mail | ||
| } | ||
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| module "sqs" { | ||
| source = "sebastianczech/free-serverless-modules/aws//modules/sqs" | ||
| source = "../../modules/sqs" | ||
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| name = "my-sqs" | ||
| name = "${var.prefix}-sqs" | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,4 @@ | ||
| output "lambda_url_producer" { | ||
| description = "The URL of the Lambda producer" | ||
| value = module.lambda_producer.url | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,14 @@ | ||
| variable "prefix" { | ||
| description = "The prefix for the resources" | ||
| type = string | ||
| } | ||
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| variable "iam_username" { | ||
| description = "The name of the IAM user" | ||
| type = string | ||
| } | ||
|
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| variable "mail" { | ||
| description = "The email address used for notifications" | ||
| type = string | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,3 +1,10 @@ | ||
| terraform { | ||
| required_providers { | ||
| archive = { | ||
| source = "hashicorp/archive" | ||
| version = "~> 2.0" | ||
| } | ||
| } | ||
|
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| required_version = ">= 1.5.0" | ||
| } |
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