def outer_task_success_callback(context, email):
subject = "[Airflow] DAG {0} - Task {1}: Success".format(
context['task_instance_key_str'].split('__')[0],
context['task_instance_key_str'].split('__')[1])
html_content = """
DAG: {0}<br>
Task: {1}<br>
Succeeded on: {2}
""".format(context['task_instance_key_str'].split('__')[0],
context['task_instance_key_str'].split('__')[1], datetime.now())
send_email_smtp(email, subject, html_content)
def send_email(context):
subject = "[Airflow] DAG {0} - Task {1}: Success".format(
context['task_instance_key_str'].split('__')[0],
context['task_instance_key_str'].split('__')[1]
)
html_content = """
DAG: {0}<br>
Task: {1}<br>
Succeeded on: {2}
""".format(
context['task_instance_key_str'].split('__')[0],
context['task_instance_key_str'].split('__')[1],
datetime.now()
)
send_email_smtp('*****@*****.**', subject, html_content)
def notify_email(contextDict, **kwargs):
"""Send custom email alerts."""
# email title.
title = "Airflow alert: {task_name} Failed".format(**contextDict)
# email contents
body = """
Hi Everyone, <br>
<br>
There's been an error in the {task_name} job.<br>
<br>
Forever yours,<br>
Airflow bot <br>
""".format(**contextDict)
send_email_smtp('*****@*****.**', title, body)
def send_email(self,
to,
subject,
html_content,
files=None,
dryrun=False,
cc=None,
bcc=None,
mime_subtype='mixed'):
log = LoggingMixin().logger
try:
subject = self.get_subject(subject, html_content)
send_email_smtp(to, subject, html_content, files, dryrun, cc, bcc,
mime_subtype)
except Exception, e:
log.info("Custom alert email subject except", e.message,
", use original subject.")
def custom_task_failure_alert(email_list, dag_id, task_id, log_url):
subject = (
f"[Airflow] DAG {dag_id.capitalize()} - Task {task_id.capitalize()}: Failed"
)
html_content = f"""
Hello,<br>
<br>
The <b>{task_id.capitalize()}</b> task
of the <b>{dag_id.capitalize()}</b> DAG has failed.<br>
<br>
Please visit the Airflow log page at
{log_url.replace("localhost", AIRFLOW_SERVER_IP)} for more information.<br>
<br>
Cheers,<br>
Airflow log bot
"""
send_email_smtp(email_list, subject, html_content)
def send_email_smtp_controller(to,
subject,
html_content,
files=None,
dryrun=False,
cc=None,
bcc=None,
mime_subtype='mixed'):
log = LoggingMixin().logger
custom_alerts = get_custom_alerters()
email_context = EmailContext(subject, html_content)
for custom_alert in custom_alerts:
if custom_alert.sure_called_by_me(email_context):
log.info("Sent an alert email by custom %s",
custom_alert.__class__)
custom_alert.send_email(to, subject, html_content, files, dryrun,
cc, bcc, mime_subtype)
return
log.info("Sent an alert email by default %s", "send_email_smtp")
send_email_smtp(to, subject, html_content, files, dryrun, cc, bcc,
mime_subtype)