/EmailAPI

Primary LanguagePython

EmailAPI

Setup

  1. EmailAPI.py contains basic functions to send emails.
  2. rest_apis.py contains the restapi for sending email.
  3. Chalice is used to deploy on AWS.
  4. test_emails.py contains the unittests.
  5. create credentials.csv with below contents

Smtp Username,Smtp Password,SENDGRID_API_KEY,MAILGUN_API_KEY AWSUSERNAME,AWSSES_PWD,SEND KEY,MAINGUN_APIKEY

API Endpoint

  1. /sendmail -- POST, Send email using stored credentials
  2. /sendmailaws -- POST, Send email using AWS credentials in POST parameters
  3. /sendmailsg -- Similar to above for SendGrid API TOKEN.
  4. /sendmailmg -- Similar to above for MailGun API TOKEN.

Libraries & Tools used.

  1. Chalice for deploying on AWS.
  2. sendgrid, smtplib,requests, etc.
  3. httpie to debug AWS REST calls in cloud.
  4. AWS CloudWatch to monitor logs & calls.
  5. AWS Lambda, AWS Gateway & AWS SES for email service.

Commands

Chalice commands

Chalice installs Python APP on AWS Lambda.

  1. pip install chalice -- to install chalice.
  2. chalice new-project -- to create new chalice project.
  3. chalice local -- to deploy services locally.
  4. chalice deploy -- to deploy on AWS cloud using AWS Lambda & Gateway.

Deployments

Local deployment

  1. Run python rest_apis.py to get the local server IP. Ex: http://127.0.0.1:5000/
  2. In new terminal run curl command to invoke rest commands. Examples are in rest_commands.txt

AWS Deployment

  1. Type "chalice deploy" in "serverlessDeployment"
  2. Above command will create AWS lambda and provide the URI. use "https://2tzi8cc4uj.execute-api.us-west-2.amazonaws.com/api/sendmail"

Description of parameters.

  1. "service_provider" -- can be "MAILGUN", "AWSSES", or "SENDGRID",
  2. "sender" -- From email address.
  3. "recipient" -- To email address.
  4. "subject": -- Subject of email.
  5. "body": -- Body in a HTML format.