html_content_template.html

<h3>Task {{ task_instance.task_id }} failed in DAG {{ task_instance.dag_id }}</h3>

<!-- Basic Task Info -->
<p><strong>Task ID:</strong> {{ task_instance.task_id }}</p>
<p><strong>DAG ID:</strong> {{ task_instance.dag_id }}</p>

{% if task_instance.execution_date %}
<p><strong>Execution Date:</strong> {{ task_instance.execution_date.strftime("%Y-%m-%d %H:%M:%S") }}</p>
{% endif %}

{% if exception_html %}
<!-- Error Info -->
<p><strong>Exception:</strong></p>
<pre>{{ exception_html }}</pre>
{% endif %}

{% if task_instance.log_url %}
<p><strong>Log:</strong> <a href="{{ task_instance.log_url }}">View Log</a></p>
{% endif %}




<!-- App Info from Tags -->
<details>
  <summary>Application Info</summary>
  <pre>
{% if dag.tags %}
{% for tag in dag.tags %}
{{ tag }}
{% endfor %}
{% else %}
No tags available
{% endif %}
  </pre>
</details>

<!-- DAG Details -->
{% if dag %}
<details>
  <summary>DAG Details</summary>
  <pre>
DAG ID: {{ dag.dag_id }}
Description: {% if dag.description %}{{ dag.description }}{% else %}Not available{% endif %}
Schedule Interval: {% if dag.schedule_interval %}{{ dag.schedule_interval }}{% else %}Not available{% endif %}
Default Args: {% if dag.default_args %}{{ dag.default_args }}{% else %}Not available{% endif %}
Tags: {% if dag.tags %}{{ dag.tags }}{% else %}Not available{% endif %}
  </pre>
</details>
{% endif %}

<!-- Task Details -->
{% if task %}
<details>
  <summary>Task Details</summary>
  <pre>
Task ID: {{ task.task_id }}
Task Type: {% if task.task_type %}{{ task.task_type }}{% else %}Not available{% endif %}
Retries: {% if task.retries %}{{ task.retries }}{% else %}Not available{% endif %}
Queue: {% if task.queue %}{{ task.queue }}{% else %}Not available{% endif %}
Pool: {% if task.pool %}{{ task.pool }}{% else %}Not available{% endif %}
  </pre>
</details>
{% endif %}

<!-- Context Details -->
{% if dag_run %}
<details>
  <summary>DAG Run Details</summary>
  <pre>
Run ID: {{ dag_run.run_id }}
Execution Date: {% if dag_run.execution_date %}{{ dag_run.execution_date }}{% else %}Not available{% endif %}
Start Date: {% if dag_run.start_date %}{{ dag_run.start_date }}{% else %}Not available{% endif %}
End Date: {% if dag_run.end_date %}{{ dag_run.end_date }}{% else %}Not available{% endif %}
State: {% if dag_run.state %}{{ dag_run.state }}{% else %}Not available{% endif %}
External Trigger: {% if dag_run.external_trigger %}{{ dag_run.external_trigger }}{% else %}Not available{% endif %}
  </pre>
</details>
{% endif %}