Terraform Module to send emails using an SMTP server by calling an external email command.
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This terraform module uses an external command using the local-exec provisioner to send emails. It's ideally suited for sending transactional emails
related to the apply phase. For example, notifying a user of their IAM user account getting created or the deployment of a new ECS application.
NOTE: The null refers to the primary Terraform provider used in this module.
First install the latest release of the email cli tool here: https://github.com/wrouesnel/emailcli/releases
Make sure it exists in your PATH (E.g. /usr/local/bin)
We distribute an Alpine Linux package (emailcli) as part of our toolchain.
curl -sSL https://apk.cloudposse.com/install.sh | sudo bash
apk add emailcli@cloudposse
module "welcome" {
source = "git::https://github.com/cloudposse/terraform-null-smtp-mail.git?ref=master"
host = "smtp.mailgun.org"
port = "587"
username = "[email protected]"
password = "changeme"
from = "[email protected]"
to = ["[email protected]"]
subject = "Welcome $${first_name}"
body = "Your account has been created. Login here: $${homepage}"
vars = {
first_name = "Example"
homepage = "https://cloudposse.com"
}
}NOTE: Use the file(...) interpolation function to use a template file.
Important
In Cloud Posse's examples, we avoid pinning modules to specific versions to prevent discrepancies between the documentation and the latest released versions. However, for your own projects, we strongly advise pinning each module to the exact version you're using. This practice ensures the stability of your infrastructure. Additionally, we recommend implementing a systematic approach for updating versions to avoid unexpected changes.
Available targets:
help Help screen
help/all Display help for all targets
help/short This help short screen
lint Lint terraform code
No requirements.
| Name | Version |
|---|---|
| null | n/a |
| template | n/a |
No modules.
| Name | Type |
|---|---|
| null_resource.default | resource |
| template_file.body | data source |
| template_file.subject | data source |
| Name | Description | Type | Default | Required |
|---|---|---|---|---|
| body | Email body template | any |
n/a | yes |
| enabled | Flag to enable or disable the sending of emails | string |
"true" |
no |
| from | From address for email | any |
n/a | yes |
| host | SMTP Host | string |
"smtp.mailgun.org" |
no |
| mail_command | Command to execute | string |
"email" |
no |
| password | Password to authenticate with the SMTP server | string |
n/a | yes |
| port | SMTP Port | string |
"587" |
no |
| subject | Email subject template | any |
n/a | yes |
| to | Email recipients | list(string) |
n/a | yes |
| username | Username to authenticate with the SMTP server | string |
n/a | yes |
| vars | Parameters to pass to the body template | map |
{} |
no |
| Name | Description |
|---|---|
| body | Rendered body of the email |
| subject | Rendered subject of the email |
Check out these related projects.
- emailcli - 12-factor compatible command line tool for sending emails that is written in Go.
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