eks_templated

“cluster_name”: “templated-cluster”, “cluster_role_arn”: “arn:aws:iam::123456789012:role/role_name”, “nodegroup_subnets”: [“subnet-12345ab”, “subnet-67890cd”], “resources_vpc_config”: {


Providers:

Run this DAG

1. Install the Astronomer CLI:Skip if you already have the CLI

2. Initate the project in a local directory:

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 from the local directory where the project was initiated:

# 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.models.dag import DAG
from airflow.providers.amazon.aws.hooks.eks import ClusterStates, NodegroupStates
from airflow.providers.amazon.aws.operators.eks import (
EKSCreateClusterOperator,
EKSCreateNodegroupOperator,
EKSDeleteClusterOperator,
EKSDeleteNodegroupOperator,
EKSPodOperator,
)
from airflow.providers.amazon.aws.sensors.eks import EKSClusterStateSensor, EKSNodegroupStateSensor
from airflow.utils.dates import days_ago
# Example Jinja Template format, substitute your values:
"""
{
"cluster_name": "templated-cluster",
"cluster_role_arn": "arn:aws:iam::123456789012:role/role_name",
"nodegroup_subnets": ["subnet-12345ab", "subnet-67890cd"],
"resources_vpc_config": {
"subnetIds": ["subnet-12345ab", "subnet-67890cd"],
"endpointPublicAccess": true,
"endpointPrivateAccess": false
},
"nodegroup_name": "templated-nodegroup",
"nodegroup_role_arn": "arn:aws:iam::123456789012:role/role_name"
}
"""
with DAG(
dag_id='to-publish-manuals-templated',
schedule_interval=None,
start_date=days_ago(2),
max_active_runs=1,
tags=['example', 'templated'],
# render_template_as_native_obj=True is what converts the Jinja to Python objects, instead of a string.
render_template_as_native_obj=True,
) as dag:
# Create an Amazon EKS Cluster control plane without attaching a compute service.
create_cluster = EKSCreateClusterOperator(
task_id='create_eks_cluster',
compute=None,
cluster_name="{{ dag_run.conf['cluster_name'] }}",
cluster_role_arn="{{ dag_run.conf['cluster_role_arn'] }}",
resources_vpc_config="{{ dag_run.conf['resources_vpc_config'] }}",
)
await_create_cluster = EKSClusterStateSensor(
task_id='wait_for_create_cluster',
cluster_name="{{ dag_run.conf['cluster_name'] }}",
target_state=ClusterStates.ACTIVE,
)
create_nodegroup = EKSCreateNodegroupOperator(
task_id='create_eks_nodegroup',
cluster_name="{{ dag_run.conf['cluster_name'] }}",
nodegroup_name="{{ dag_run.conf['nodegroup_name'] }}",
nodegroup_subnets="{{ dag_run.conf['nodegroup_subnets'] }}",
nodegroup_role_arn="{{ dag_run.conf['nodegroup_role_arn'] }}",
)
await_create_nodegroup = EKSNodegroupStateSensor(
task_id='wait_for_create_nodegroup',
cluster_name="{{ dag_run.conf['cluster_name'] }}",
nodegroup_name="{{ dag_run.conf['nodegroup_name'] }}",
target_state=NodegroupStates.ACTIVE,
)
start_pod = EKSPodOperator(
task_id="run_pod",
pod_name="start_pod",
cluster_name="{{ dag_run.conf['cluster_name'] }}",
image="amazon/aws-cli:latest",
cmds=["sh", "-c", "ls"],
labels={"demo": "hello_world"},
get_logs=True,
# Delete the pod when it reaches its final state, or the execution is interrupted.
is_delete_operator_pod=True,
)
delete_nodegroup = EKSDeleteNodegroupOperator(
task_id='delete_eks_nodegroup',
cluster_name="{{ dag_run.conf['cluster_name'] }}",
nodegroup_name="{{ dag_run.conf['nodegroup_name'] }}",
)
await_delete_nodegroup = EKSNodegroupStateSensor(
task_id='wait_for_delete_nodegroup',
cluster_name="{{ dag_run.conf['cluster_name'] }}",
nodegroup_name="{{ dag_run.conf['nodegroup_name'] }}",
target_state=NodegroupStates.NONEXISTENT,
)
delete_cluster = EKSDeleteClusterOperator(
task_id='delete_eks_cluster',
cluster_name="{{ dag_run.conf['cluster_name'] }}",
)
await_delete_cluster = EKSClusterStateSensor(
task_id='wait_for_delete_cluster',
cluster_name="{{ dag_run.conf['cluster_name'] }}",
target_state=ClusterStates.NONEXISTENT,
)
(
create_cluster
>> await_create_cluster
>> create_nodegroup
>> await_create_nodegroup
>> start_pod
>> delete_nodegroup
>> await_delete_nodegroup
>> delete_cluster
>> await_delete_cluster
)