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feat: ses bounce emails lambda (#5926)
* feat: ses bounce emails lambda * Update ses_bounce.tf * Update ses_bounce.tf * add ses email logic * Update bastion_linux.tf * Update ses_bounce.tf * Update ses_bounce.tf * Update ses_bounce.tf * Update ses_bounce.tf * Update bounce_email_notification.py * roles * Update ses_logging.tf * correct headers * add jitbit dev provided html template * Delete email_template.html * add ignore tag * Update ses_bounce.tf * rename
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,4 +1,3 @@ | ||
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| data "aws_iam_policy_document" "dms_assume_role" { | ||
| statement { | ||
| actions = ["sts:AssumeRole"] | ||
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132 changes: 132 additions & 0 deletions
132
.../environments/delius-jitbit/lambda/bounce_email_notification/bounce_email_notification.py
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,132 @@ | ||
| import os | ||
| import boto3 | ||
| import json | ||
| import time | ||
| from datetime import datetime | ||
| from botocore.exceptions import ClientError | ||
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| def handler(event, context): | ||
| todays_date = datetime.now().strftime("%Y-%m-%d") | ||
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| message = event["Records"][0]["Sns"]["Message"] | ||
| message_dict = json.loads(message) | ||
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| mail = message_dict.get("mail") | ||
| common_headers = mail.get("commonHeaders") | ||
| headers = mail.get("headers") | ||
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| print(headers) | ||
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| jitbit_ticket_id_arr = list( | ||
| filter(lambda id: id.get("name") == "X-Jitbit-TicketID", headers) | ||
| ) | ||
| jitbit_ticket_id = jitbit_ticket_id_arr[0].get("value") if len(jitbit_ticket_id_arr) > 0 else "No Ticket ID Header" | ||
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| subject = common_headers.get("subject") | ||
| reply_to = common_headers.get("replyTo")[0] | ||
| source = mail.get("source") | ||
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| ses = boto3.client("sesv2") | ||
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| bounce = message_dict.get("bounce") | ||
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| bounced_recipients = bounce.get("bouncedRecipients") | ||
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| bounced_recipients_message = "" | ||
| for bounced_recipient in bounced_recipients: | ||
| bounced_recipients_message += f""" <p> | ||
| Action: <strong>{bounced_recipient.get("action")}</strong> | ||
| <br> | ||
| </p> | ||
| <p> | ||
| Recipient: <strong>{bounced_recipient.get("emailAddress")}</strong> | ||
| <br> | ||
| </p> | ||
| <p> | ||
| Status: <strong>{bounced_recipient.get("status")}</strong> | ||
| <br> | ||
| </p> | ||
| <p> | ||
| Diagnostic Code: <strong>{bounced_recipient.get("diagnosticCode")}</strong> | ||
| </p> | ||
| """ | ||
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| try: | ||
| email = ses.send_email( | ||
| FromEmailAddress=source, | ||
| Destination={"ToAddresses": [reply_to]}, | ||
| ReplyToAddresses=[reply_to], | ||
| Content={ | ||
| "Simple": { | ||
| "Subject": {"Data": f"BOUNCE <{jitbit_ticket_id}>: {subject} #tech#"}, | ||
| "Body": { | ||
| "Html": { | ||
| "Data": f""" | ||
| <table width="100%" style="background-color: rgb(250, 232, 205);"> | ||
| <tbody> | ||
| <tr> | ||
| <td style="background-color: rgb(255, 50, 50);"></td> | ||
| <td> </td> | ||
| <td width="100%"> | ||
| <br> | ||
| <strong>WARNING:</strong> | ||
| <br> | ||
| <p> An email notification from this ticket has failed to deliver to one or more recipients. This may be the result of a 'Reply' or a 'Forward Ticket By Email'. See the diagnostic information below for more details. We have provided a simple guide <a href="https://helpdesk.jitbit.cr.probation.service.justice.gov.uk/KB/View/976525-">HERE</a> which explains the actions that you need to take. | ||
| <br> | ||
| </p> | ||
| </td> | ||
| </tr> | ||
| </tbody> | ||
| </table> | ||
| <br> | ||
| <hr> | ||
| <br> | ||
| <strong>DIAGNOSTIC INFORMATION:</strong> | ||
| <br> | ||
| <br> | ||
| <table width="100%" style="background-color: rgb(240, 240, 240);"> | ||
| <tbody> | ||
| <tr> | ||
| <td style="background-color: rgb(150, 150, 150);"></td> | ||
| <td> </td> | ||
| <td width="100%"> | ||
| <br> | ||
| <p>Ticket ID: <strong>{jitbit_ticket_id}</strong> | ||
| </p> | ||
| <p>Feedback ID: <strong>010b018f3d5323b8-1afeb777-87b9-4433-8104-f2f265151de6-000000</strong> | ||
| <br> | ||
| </p> | ||
| <p>Timestamp: <strong>2024-05-03T07:20:10.035Z</strong> | ||
| <br> | ||
| </p> | ||
| </tr> | ||
| <tr> | ||
| <td style="background-color: rgb(150, 150, 150);"></td> | ||
| <td> </td> | ||
| <td> | ||
| <p><strong>Bounced Recipients:</strong></p> | ||
| </td> | ||
| </tr> | ||
| <tr> | ||
| <td style="background-color: rgb(150, 150, 150);"></td> | ||
| <td> </td> | ||
| <td width="100%"> | ||
| {bounced_recipients_message} | ||
| </td> | ||
| </tr> | ||
| </tbody> | ||
| </table> | ||
| <br> | ||
| <br> | ||
| """ | ||
| } | ||
| }, | ||
| } | ||
| }, | ||
| ) | ||
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| print(f"Email sent: {email}") | ||
|
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| except ClientError as e: | ||
| print(e) |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,96 @@ | ||
| resource "aws_sns_topic" "jitbit_ses_destination_topic_bounce_email_notification" { | ||
| name = format("%s-ses-destination-topic-bounce-email-notification", local.application_name) | ||
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| tags = local.tags | ||
| } | ||
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| resource "aws_sesv2_configuration_set_event_destination" "jitbit_ses_event_destination_bounce_email_notification" { | ||
| configuration_set_name = aws_sesv2_configuration_set.jitbit_ses_configuration_set.configuration_set_name | ||
| event_destination_name = format("%s-event-destination-bounce-email-notification", local.application_name) | ||
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| event_destination { | ||
| sns_destination { | ||
| topic_arn = aws_sns_topic.jitbit_ses_destination_topic_bounce_email_notification.arn | ||
| } | ||
| enabled = true | ||
| matching_event_types = [ | ||
| "BOUNCE" | ||
| ] | ||
| } | ||
| } | ||
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| data "archive_file" "lambda_function_payload_bounce_email_notification" { | ||
| type = "zip" | ||
| source_dir = "${path.module}/lambda/bounce_email_notification/" | ||
| output_path = "${path.module}/lambda/bounce_email_notification/bounce_email_notification.zip" | ||
| excludes = ["bounce_email_notification.zip"] | ||
| } | ||
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| resource "aws_lambda_function" "bounce_email_notification" { | ||
| filename = "${path.module}/lambda/bounce_email_notification/bounce_email_notification.zip" | ||
| function_name = "bounce_email_notification" | ||
| architectures = ["arm64"] | ||
| role = aws_iam_role.lambda_bounce_email_notification.arn | ||
| runtime = "python3.12" | ||
| handler = "bounce_email_notification.handler" | ||
| source_code_hash = data.archive_file.lambda_function_payload_bounce_email_notification.output_base64sha256 | ||
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| lifecycle { | ||
| replace_triggered_by = [aws_iam_role.lambda_bounce_email_notification] | ||
| } | ||
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| tags = local.tags | ||
| } | ||
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| resource "aws_iam_role" "lambda_bounce_email_notification" { | ||
| name = "bounce_email_notification-role" | ||
| assume_role_policy = data.aws_iam_policy_document.lambda_assume_role_policy.json | ||
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| tags = local.tags | ||
| } | ||
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| resource "aws_iam_role_policy" "lambda_bounce_email_notification" { | ||
| name = "lambda_bounce_email_notification" | ||
| role = aws_iam_role.lambda_bounce_email_notification.id | ||
| policy = data.aws_iam_policy_document.lambda_policy_bounce_email_notification.json | ||
| } | ||
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| data "aws_iam_policy_document" "lambda_policy_bounce_email_notification" { | ||
| statement { | ||
| actions = [ | ||
| "ses:SendRawEmail", | ||
| "ses:SendEmail" | ||
| ] | ||
| resources = ["*"] | ||
| } | ||
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| statement { | ||
| actions = [ | ||
| "logs:CreateLogGroup", | ||
| "logs:CreateLogStream", | ||
| "logs:PutLogEvents" | ||
| ] | ||
| resources = ["arn:aws:logs:*:*:*"] | ||
| } | ||
| } | ||
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| resource "aws_lambda_permission" "sns_bounce_email_notification" { | ||
| statement_id = "AllowExecutionFromSNS" | ||
| action = "lambda:InvokeFunction" | ||
| function_name = aws_lambda_function.bounce_email_notification.function_name | ||
| principal = "sns.amazonaws.com" | ||
| source_arn = aws_sns_topic.jitbit_ses_destination_topic_bounce_email_notification.arn | ||
| } | ||
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| resource "aws_sns_topic_subscription" "lambda_bounce_email_notification" { | ||
| topic_arn = aws_sns_topic.jitbit_ses_destination_topic_bounce_email_notification.arn | ||
| protocol = "lambda" | ||
| endpoint = aws_lambda_function.bounce_email_notification.arn | ||
| } | ||
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| resource "aws_cloudwatch_log_group" "bounce_email_notification" { | ||
| name = "/aws/lambda/bounce_email_notification" | ||
| retention_in_days = local.application_data.accounts[local.environment].lambda_log_retention_days | ||
|
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| tags = local.tags | ||
| } |
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