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Organize EC2 classes in Amazon provider (#20157)
* Organize EC2 classes in Amazon provider
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# | ||
# 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. | ||
# | ||
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from typing import Optional | ||
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from airflow.models import BaseOperator | ||
from airflow.providers.amazon.aws.hooks.ec2 import EC2Hook | ||
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class EC2StartInstanceOperator(BaseOperator): | ||
""" | ||
Start AWS EC2 instance using boto3. | ||
:param instance_id: id of the AWS EC2 instance | ||
:type instance_id: str | ||
:param aws_conn_id: aws connection to use | ||
:type aws_conn_id: str | ||
:param region_name: (optional) aws region name associated with the client | ||
:type region_name: Optional[str] | ||
:param check_interval: time in seconds that the job should wait in | ||
between each instance state checks until operation is completed | ||
:type check_interval: float | ||
""" | ||
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template_fields = ("instance_id", "region_name") | ||
ui_color = "#eeaa11" | ||
ui_fgcolor = "#ffffff" | ||
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def __init__( | ||
self, | ||
*, | ||
instance_id: str, | ||
aws_conn_id: str = "aws_default", | ||
region_name: Optional[str] = None, | ||
check_interval: float = 15, | ||
**kwargs, | ||
): | ||
super().__init__(**kwargs) | ||
self.instance_id = instance_id | ||
self.aws_conn_id = aws_conn_id | ||
self.region_name = region_name | ||
self.check_interval = check_interval | ||
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def execute(self, context): | ||
ec2_hook = EC2Hook(aws_conn_id=self.aws_conn_id, region_name=self.region_name) | ||
self.log.info("Starting EC2 instance %s", self.instance_id) | ||
instance = ec2_hook.get_instance(instance_id=self.instance_id) | ||
instance.start() | ||
ec2_hook.wait_for_state( | ||
instance_id=self.instance_id, | ||
target_state="running", | ||
check_interval=self.check_interval, | ||
) | ||
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class EC2StopInstanceOperator(BaseOperator): | ||
""" | ||
Stop AWS EC2 instance using boto3. | ||
:param instance_id: id of the AWS EC2 instance | ||
:type instance_id: str | ||
:param aws_conn_id: aws connection to use | ||
:type aws_conn_id: str | ||
:param region_name: (optional) aws region name associated with the client | ||
:type region_name: Optional[str] | ||
:param check_interval: time in seconds that the job should wait in | ||
between each instance state checks until operation is completed | ||
:type check_interval: float | ||
""" | ||
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template_fields = ("instance_id", "region_name") | ||
ui_color = "#eeaa11" | ||
ui_fgcolor = "#ffffff" | ||
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def __init__( | ||
self, | ||
*, | ||
instance_id: str, | ||
aws_conn_id: str = "aws_default", | ||
region_name: Optional[str] = None, | ||
check_interval: float = 15, | ||
**kwargs, | ||
): | ||
super().__init__(**kwargs) | ||
self.instance_id = instance_id | ||
self.aws_conn_id = aws_conn_id | ||
self.region_name = region_name | ||
self.check_interval = check_interval | ||
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def execute(self, context): | ||
ec2_hook = EC2Hook(aws_conn_id=self.aws_conn_id, region_name=self.region_name) | ||
self.log.info("Stopping EC2 instance %s", self.instance_id) | ||
instance = ec2_hook.get_instance(instance_id=self.instance_id) | ||
instance.stop() | ||
ec2_hook.wait_for_state( | ||
instance_id=self.instance_id, | ||
target_state="stopped", | ||
check_interval=self.check_interval, | ||
) |
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# | ||
# 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. | ||
# | ||
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from typing import Optional | ||
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from airflow.providers.amazon.aws.hooks.ec2 import EC2Hook | ||
from airflow.sensors.base import BaseSensorOperator | ||
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class EC2InstanceStateSensor(BaseSensorOperator): | ||
""" | ||
Check the state of the AWS EC2 instance until | ||
state of the instance become equal to the target state. | ||
:param target_state: target state of instance | ||
:type target_state: str | ||
:param instance_id: id of the AWS EC2 instance | ||
:type instance_id: str | ||
:param region_name: (optional) aws region name associated with the client | ||
:type region_name: Optional[str] | ||
""" | ||
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template_fields = ("target_state", "instance_id", "region_name") | ||
ui_color = "#cc8811" | ||
ui_fgcolor = "#ffffff" | ||
valid_states = ["running", "stopped", "terminated"] | ||
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def __init__( | ||
self, | ||
*, | ||
target_state: str, | ||
instance_id: str, | ||
aws_conn_id: str = "aws_default", | ||
region_name: Optional[str] = None, | ||
**kwargs, | ||
): | ||
if target_state not in self.valid_states: | ||
raise ValueError(f"Invalid target_state: {target_state}") | ||
super().__init__(**kwargs) | ||
self.target_state = target_state | ||
self.instance_id = instance_id | ||
self.aws_conn_id = aws_conn_id | ||
self.region_name = region_name | ||
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def poke(self, context): | ||
ec2_hook = EC2Hook(aws_conn_id=self.aws_conn_id, region_name=self.region_name) | ||
instance_state = ec2_hook.get_instance_state(instance_id=self.instance_id) | ||
self.log.info("instance state: %s", instance_state) | ||
return instance_state == self.target_state |
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