Github Action for sending email

Secrets required for Github Action

• Set GMAIL_USERNAME variable

This variable is Sender's email account

• Set GMAIL_PASSWORD variable

This variable is Sender's email password

• Set DOCKERHUB_USERNAME variable

This variable is Dockerhub username

• Set DOCKERHUB_TOKEN variable

This variable is Dockerhub password

Edit yaml file

The yaml file is used to include files attached in the email

Take config-fcre.yml as example

gmail:
  username:
  password:
  from: SCC

"username" and "password" variables will be added by secrets when executing Github action. "From" variable is used as sender's name.

email:
  sender: SCC
  subject: Daily FCR Forecast and Graphs
  body: "Hello from Jetstream 2!\n\nHere are today's forecast and graphs. Have a wonderful day!\n\nBests,\nSCC and CIBR Team"

"Subject" variable is used to be email subject. "Body" variable will be shown as the content inside the email.

attachments_web:
    - prefix: https://github.com/FLARE-forecast/flare-dashboard/raw/main/docs/fcre_files/figure-html/bvre-ice-1.png
      infix:
      suffix:

"attachments_web" variable is used to attach files from the web. 'Prefix', 'infix', and 'suffix' can be blank.

attachments_local:
    - prefix:
      infix:
      suffix:

"attachments_local" variable is used to attach files from local directories inside the container. 'Prefix', 'infix', and 'suffix' can be blank.

recipients:
    - 

"recipients" variable is used to fill in receivers' email address.

Steps in Github Actions

1. Put gmail account name and password from secrets into yaml files

      - name: Update gmail_username
        uses: fjogeleit/yaml-update-action@main
        with:
          valueFile: 'config-fcre.yml'
          propertyPath: gmail.username
          value: ${{ secrets.GMAIL_USERNAME }}
          commitChange: false
    
      - name: Update gmail_password
        uses: fjogeleit/yaml-update-action@main
        with:
          valueFile: 'config-fcre.yml'
          propertyPath: gmail.password
          value: ${{ secrets.GMAIL_PASSWORD }}
          commitChange: false

2. Log into Dockerhub by using credentials set up in secrets

      - name: Login to Docker Hub
        uses: docker/login-action@v2
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}

3. Run send-email container by using 'docker run'

      - name: Run send-email container
        run: |
          docker run --rm -v ${{ github.workspace }}:/root/flare/config --env CONFIG_FILE="/root/flare/config/config-fcre.yml" yjungku/send-email:dev