# -*- 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.
from airflow.contrib.hooks.jira_hook import JIRAError
from airflow.contrib.hooks.jira_hook import JiraHook
from airflow.exceptions import AirflowException
from airflow.models import BaseOperator
from airflow.utils.decorators import apply_defaults
[docs]class JiraOperator(BaseOperator):
"""
JiraOperator to interact and perform action on Jira issue tracking system.
This operator is designed to use Jira Python SDK: http://jira.readthedocs.io
:param jira_conn_id: reference to a pre-defined Jira Connection
:type jira_conn_id: str
:param jira_method: method name from Jira Python SDK to be called
:type jira_method: str
:param jira_method_args: required method parameters for the jira_method. (templated)
:type jira_method_args: dict
:param result_processor: function to further process the response from Jira
:type result_processor: function
:param get_jira_resource_method: function or operator to get jira resource
on which the provided jira_method will be executed
:type get_jira_resource_method: function
"""
template_fields = ("jira_method_args",)
@apply_defaults
def __init__(self,
jira_conn_id='jira_default',
jira_method=None,
jira_method_args=None,
result_processor=None,
get_jira_resource_method=None,
*args,
**kwargs):
super(JiraOperator, self).__init__(*args, **kwargs)
self.jira_conn_id = jira_conn_id
self.method_name = jira_method
self.jira_method_args = jira_method_args
self.result_processor = result_processor
self.get_jira_resource_method = get_jira_resource_method
def execute(self, context):
try:
if self.get_jira_resource_method is not None:
# if get_jira_resource_method is provided, jira_method will be executed on
# resource returned by executing the get_jira_resource_method.
# This makes all the provided methods of JIRA sdk accessible and usable
# directly at the JiraOperator without additional wrappers.
# ref: http://jira.readthedocs.io/en/latest/api.html
if isinstance(self.get_jira_resource_method, JiraOperator):
resource = self.get_jira_resource_method.execute(**context)
else:
resource = self.get_jira_resource_method(**context)
else:
# Default method execution is on the top level jira client resource
hook = JiraHook(jira_conn_id=self.jira_conn_id)
resource = hook.client
# Current Jira-Python SDK (1.0.7) has issue with pickling the jira response.
# ex: self.xcom_push(context, key='operator_response', value=jira_response)
# This could potentially throw error if jira_result is not picklable
jira_result = getattr(resource, self.method_name)(**self.jira_method_args)
if self.result_processor:
return self.result_processor(context, jira_result)
return jira_result
except JIRAError as jira_error:
raise AirflowException("Failed to execute jiraOperator, error: %s"
% str(jira_error))
except Exception as e:
raise AirflowException("Jira operator error: %s" % str(e))