Source code for airflow.providers.apache.druid.operators.druid

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from __future__ import annotations

from collections.abc import Sequence
from typing import TYPE_CHECKING, Any

from airflow.models import BaseOperator
from airflow.providers.apache.druid.hooks.druid import DruidHook, IngestionType

if TYPE_CHECKING:
    from airflow.utils.context import Context



[docs]class DruidOperator(BaseOperator):
    """
    Allows to submit a task directly to druid.

    :param json_index_file: The filepath to the druid index specification
    :param druid_ingest_conn_id: The connection id of the Druid overlord which
        accepts index jobs
    :param timeout: The interval (in seconds) between polling the Druid job for the status
        of the ingestion job. Must be greater than or equal to 1
    :param max_ingestion_time: The maximum ingestion time before assuming the job failed
    :param ingestion_type: The ingestion type of the job. Could be IngestionType.Batch or IngestionType.MSQ
    :param verify_ssl: Whether to use SSL encryption to submit indexing job. If set to False then checks
                       connection information for path to a CA bundle to use. Defaults to True
    """


[docs]    template_fields: Sequence[str] = ("json_index_file",)


[docs]    template_ext: Sequence[str] = (".json",)


[docs]    template_fields_renderers = {"json_index_file": "json"}


    def __init__(
        self,
        *,
        json_index_file: str,
        druid_ingest_conn_id: str = "druid_ingest_default",
        timeout: int = 1,
        max_ingestion_time: int | None = None,
        ingestion_type: IngestionType = IngestionType.BATCH,
        verify_ssl: bool = True,
        **kwargs: Any,
    ) -> None:
        super().__init__(**kwargs)
        self.json_index_file = json_index_file
        self.conn_id = druid_ingest_conn_id
        self.timeout = timeout
        self.max_ingestion_time = max_ingestion_time
        self.ingestion_type = ingestion_type
        self.verify_ssl = verify_ssl


[docs]    def execute(self, context: Context) -> None:
        hook = DruidHook(
            druid_ingest_conn_id=self.conn_id,
            timeout=self.timeout,
            max_ingestion_time=self.max_ingestion_time,
            verify_ssl=self.verify_ssl,
        )
        self.log.info("Submitting %s", self.json_index_file)
        hook.submit_indexing_job(self.json_index_file, self.ingestion_type)

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