compute_ssh

ComputeWeb Services


Providers:

Run this DAG

1. Install Astronomer CLISkip if you already have the CLI

2. Initate the project:

3. Copy and paste the code below into a file in the

dags
directory.

4. Add the following to your requirements.txt file:

5. Run the DAG:

# 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 os
from airflow import models
from airflow.providers.google.cloud.hooks.compute_ssh import ComputeEngineSSHHook
from airflow.providers.ssh.operators.ssh import SSHOperator
from airflow.utils import dates
# [START howto_operator_gce_args_common]
GCP_PROJECT_ID = os.environ.get('GCP_PROJECT_ID', 'example-project')
GCE_ZONE = os.environ.get('GCE_ZONE', 'europe-west2-a')
GCE_INSTANCE = os.environ.get('GCE_INSTANCE', 'target-instance')
# [END howto_operator_gce_args_common]
with models.DAG(
'example_compute_ssh',
default_args=dict(start_date=dates.days_ago(1)),
schedule_interval=None, # Override to match your needs
tags=['example'],
) as dag:
# # [START howto_execute_command_on_remote1]
os_login_without_iap_tunnel = SSHOperator(
task_id="os_login_without_iap_tunnel",
ssh_hook=ComputeEngineSSHHook(
instance_name=GCE_INSTANCE,
zone=GCE_ZONE,
project_id=GCP_PROJECT_ID,
use_oslogin=True,
use_iap_tunnel=False,
),
command="echo os_login_without_iap_tunnel",
)
# # [END howto_execute_command_on_remote1]
# # [START howto_execute_command_on_remote2]
metadata_without_iap_tunnel = SSHOperator(
task_id="metadata_without_iap_tunnel",
ssh_hook=ComputeEngineSSHHook(
instance_name=GCE_INSTANCE,
zone=GCE_ZONE,
use_oslogin=False,
use_iap_tunnel=False,
),
command="echo metadata_without_iap_tunnel",
)
# # [END howto_execute_command_on_remote2]
os_login_with_iap_tunnel = SSHOperator(
task_id="os_login_with_iap_tunnel",
ssh_hook=ComputeEngineSSHHook(
instance_name=GCE_INSTANCE,
zone=GCE_ZONE,
use_oslogin=True,
use_iap_tunnel=True,
),
command="echo os_login_with_iap_tunnel",
)
metadata_with_iap_tunnel = SSHOperator(
task_id="metadata_with_iap_tunnel",
ssh_hook=ComputeEngineSSHHook(
instance_name=GCE_INSTANCE,
zone=GCE_ZONE,
use_oslogin=False,
use_iap_tunnel=True,
),
command="echo metadata_with_iap_tunnel",
)
os_login_with_iap_tunnel >> os_login_without_iap_tunnel
metadata_with_iap_tunnel >> metadata_without_iap_tunnel
os_login_without_iap_tunnel >> metadata_with_iap_tunnel