Blueprints

Set up alerts for failed workflow executions using Slack

Source

yaml
id: failure-alert-slack
namespace: system

tasks:
  - id: send_alert
    type: io.kestra.plugin.notifications.slack.SlackExecution
    url: "{{ secret('SLACK_WEBHOOK') }}"
    channel: "#general"
    executionId: "{{ trigger.executionId }}"

triggers:
  - id: on_failure
    type: io.kestra.plugin.core.trigger.Flow
    conditions:
      - type: io.kestra.plugin.core.condition.ExecutionStatusCondition
        in:
          - FAILED
          - WARNING

About this blueprint

System Notifications

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. Here, we send a message to a Slack channel when any workflow execution fails. You can further customize that system flow by modifying the SlackExecution task, or by adding more tasks to the flow. Additionally, 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.

Slack Execution

Flow

Execution Status Condition

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