Files
superset2/superset/reports/notifications/slack.py
Daniel Vaz Gaspar f27ebc4be5 feat: new reports scheduler (#11711)
* feat(reports): scheduler and delivery system

* working version

* improvements and fix grace_period

* add tests and fix bugs

* fix report API test

* test MySQL test fail

* delete-orphans

* fix MySQL tests

* address comments

* lint
2020-11-25 08:50:30 +00:00

90 lines
3.1 KiB
Python

# -*- coding: utf-8 -*-
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
import json
import logging
from io import IOBase
from typing import cast, Optional, Union
from flask_babel import gettext as __
from retry.api import retry
from slack import WebClient
from slack.errors import SlackApiError, SlackClientError
from slack.web.slack_response import SlackResponse
from superset import app
from superset.models.reports import ReportRecipientType
from superset.reports.notifications.base import BaseNotification
from superset.reports.notifications.exceptions import NotificationError
logger = logging.getLogger(__name__)
class SlackNotification(BaseNotification): # pylint: disable=too-few-public-methods
"""
Sends a slack notification for a report recipient
"""
type = ReportRecipientType.SLACK
def _get_channel(self) -> str:
return json.loads(self._recipient.recipient_config_json)["target"]
def _get_body(self) -> str:
return __(
"""
*%(name)s*\n
<%(url)s|Explore in Superset>
""",
name=self._content.name,
url=self._content.screenshot.url,
)
def _get_inline_screenshot(self) -> Optional[Union[str, IOBase, bytes]]:
return self._content.screenshot.image
@retry(SlackApiError, delay=10, backoff=2, tries=5)
def send(self) -> None:
file = self._get_inline_screenshot()
channel = self._get_channel()
body = self._get_body()
try:
client = WebClient(
token=app.config["SLACK_API_TOKEN"], proxy=app.config["SLACK_PROXY"]
)
# files_upload returns SlackResponse as we run it in sync mode.
if file:
response = cast(
SlackResponse,
client.files_upload(
channels=channel,
file=file,
initial_comment=body,
title="subject",
),
)
assert response["file"], str(response) # the uploaded file
else:
response = cast(
SlackResponse, client.chat_postMessage(channel=channel, text=body),
)
assert response["message"]["text"], str(response)
logger.info("Report sent to slack")
except SlackClientError as ex:
raise NotificationError(ex)