About this blueprint
Notifications System
This system flow will help you set up alerts for failed workflow executions. Using this pattern, you can manage alerts on failure in one place.
This flow sends an email alert with Gmail whenever a flow execution fails.
If you have 2FA setup on your Google account, you'll need to set up an App password. Once you've generated an App password, save it as a secret which you can reference in the password property.
For more information on creating App passwords, check out the guide here.
Restricting alerts using conditions
You can restrict the flow to only send alerts for specific namespaces by adding an ExecutionNamespaceCondition to the trigger. You can read more about that in the Administrator Guide.
yaml
id: failed_alert_gmail
namespace: system
tasks:
- id: notify
type: io.kestra.plugin.notifications.mail.MailSend
from: alerts@example.com
to: "team@company.com"
username: "{{ secret('G_EMAIL') }}"
password: "{{ secret('G_APP_PASSWORD') }}"
host: smtp.gmail.com
port: 465
subject: "Failed Execution - {{ trigger.executionId }}"
htmlTextContent: "{{ trigger.executionId }}"
triggers:
- id: on_failure
type: io.kestra.plugin.core.trigger.Flow
conditions:
- type: io.kestra.plugin.core.condition.ExecutionStatusCondition
in:
- FAILED
- WARNING
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