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from __future__ import annotations
from datetime import datetime
from airflow.providers.common.compat.sdk import dag, task
from airflow.providers.vespa.operators.vespa_ingest import VespaIngestOperator
@dag(
dag_id="example_vespa_ingest",
start_date=datetime(2025, 7, 30),
schedule="@once",
catchup=False,
tags=["example", "vespa"],
)
def vespa_dynamic():
vespa_conn_id = "vespa_connection"
@task
def build_batches():
return [
[
{"id": "doc1", "fields": {"body": "first document"}},
{"id": "doc2", "fields": {"body": "second document"}},
],
[
{"id": "doc3", "fields": {"body": "third document"}},
{"id": "doc4", "fields": {"body": "fourth document"}},
],
]
batches = build_batches()
# [START howto_operator_vespa_ingest]
send_batches = VespaIngestOperator.partial(vespa_conn_id=vespa_conn_id, task_id="send_batch").expand(
docs=batches
)
update_doc3 = VespaIngestOperator(
vespa_conn_id=vespa_conn_id,
task_id="update_doc3",
docs=[{"id": "doc3", "fields": {"body": "third document - UPDATED"}}],
operation_type="update",
)
delete_doc4 = VespaIngestOperator(
vespa_conn_id=vespa_conn_id,
task_id="delete_doc4",
docs=[{"id": "doc4"}],
operation_type="delete",
)
# [END howto_operator_vespa_ingest]
@task(task_id="verify_docs_with_hook")
def verify_docs_with_hook():
"""Use the VespaHook to validate the example documents."""
from airflow.providers.vespa.hooks.vespa import VespaHook
hook = VespaHook(conn_id=vespa_conn_id)
def run_query(yql: str, params: dict | None = None):
params = params or {}
res = hook.vespa_app.query(yql=yql, **params)
hits = res.hits if hasattr(res, "hits") else []
return {
"count": len(hits),
"first": hits[0].get("fields") if hits else None,
}
q1 = run_query('select * from sources * where body contains "first document"')
q2 = run_query('select * from sources * where body contains "second document"')
q3_updated = run_query('select * from sources * where body contains "UPDATED"')
q4_deleted = run_query('select * from sources * where body contains "fourth document"')
assert q1["count"] >= 1, "doc1 not found"
assert q2["count"] >= 1, "doc2 not found"
assert q3_updated["count"] >= 1, "updated doc3 not found"
assert q4_deleted["count"] == 0, "doc4 appears to still be present"
return {
"doc1_found": q1["count"],
"doc2_found": q2["count"],
"doc3_updated_found": q3_updated["count"],
"doc4_found": q4_deleted["count"],
}
verify_docs_task = verify_docs_with_hook()
send_batches >> [update_doc3, delete_doc4] >> verify_docs_task
example_dag = vespa_dynamic()
from tests_common.test_utils.system_tests import get_test_run # noqa: E402
test_run = get_test_run(example_dag)