# -*- coding: utf-8 -*-
#
# Licensed 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 import DAG
from airflow.operators import BashOperator
from datetime import datetime, timedelta
from airflow.operators.docker_operator import DockerOperator

default_args = {
    'owner': 'airflow',
    'depends_on_past': False,
    'start_date': datetime.now(),
    'email': ['airflow@airflow.com'],
    'email_on_failure': False,
    'email_on_retry': False,
    'retries': 1,
    'retry_delay': timedelta(minutes=5)
}

dag = DAG(
    'docker_sample', default_args=default_args, schedule_interval=timedelta(minutes=10))

t1 = BashOperator(
    task_id='print_date',
    bash_command='date',
    dag=dag)

t2 = BashOperator(
    task_id='sleep',
    bash_command='sleep 5',
    retries=3,
    dag=dag)

t3 = DockerOperator(api_version='1.19',
    docker_url='tcp://localhost:2375', #Set your docker URL
    command='/bin/sleep 30',
    image='centos:latest',
    network_mode='bridge',
    task_id='docker_op_tester',
    dag=dag)


t4 = BashOperator(
    task_id='print_hello',
    bash_command='echo "hello world!!!"',
    dag=dag)


t1.set_downstream(t2)
t1.set_downstream(t3)
t3.set_downstream(t4)
"""
