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213 lines
8.2 KiB
213 lines
8.2 KiB
# |
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# Licensed to the Apache Software Foundation (ASF) under one |
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# or more contributor license agreements. See the NOTICE file |
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# distributed with this work for additional information |
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# regarding copyright ownership. The ASF licenses this file |
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# to you under the Apache License, Version 2.0 (the |
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# "License"); you may not use this file except in compliance |
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# with the License. You may obtain a copy of the License at |
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# |
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# http://www.apache.org/licenses/LICENSE-2.0 |
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# |
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# Unless required by applicable law or agreed to in writing, |
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# software distributed under the License is distributed on an |
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
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# KIND, either express or implied. See the License for the |
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# specific language governing permissions and limitations |
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# under the License. |
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""" |
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Example Airflow DAG for Google Cloud Stackdriver service. |
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""" |
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import json |
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import os |
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from airflow import models |
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from airflow.providers.google.cloud.operators.stackdriver import ( |
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StackdriverDeleteAlertOperator, |
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StackdriverDeleteNotificationChannelOperator, |
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StackdriverDisableAlertPoliciesOperator, |
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StackdriverDisableNotificationChannelsOperator, |
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StackdriverEnableAlertPoliciesOperator, |
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StackdriverEnableNotificationChannelsOperator, |
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StackdriverListAlertPoliciesOperator, |
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StackdriverListNotificationChannelsOperator, |
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StackdriverUpsertAlertOperator, |
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StackdriverUpsertNotificationChannelOperator, |
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) |
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from airflow.utils.dates import days_ago |
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PROJECT_ID = os.environ.get("GCP_PROJECT_ID", "example-project") |
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TEST_ALERT_POLICY_1 = { |
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"combiner": "OR", |
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"enabled": True, |
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"display_name": "test alert 1", |
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"conditions": [ |
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{ |
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"condition_threshold": { |
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"filter": ( |
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'metric.label.state="blocked" AND ' |
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'metric.type="agent.googleapis.com/processes/count_by_state" ' |
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'AND resource.type="gce_instance"' |
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), |
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"comparison": "COMPARISON_GT", |
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"threshold_value": 100, |
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"duration": {"seconds": 900}, |
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"trigger": {"percent": 0}, |
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"aggregations": [ |
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{ |
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"alignment_period": {"seconds": 60}, |
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"per_series_aligner": "ALIGN_MEAN", |
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"cross_series_reducer": "REDUCE_MEAN", |
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"group_by_fields": [ |
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"project", |
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"resource.label.instance_id", |
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"resource.label.zone", |
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], |
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} |
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], |
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}, |
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"display_name": "test_alert_policy_1", |
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} |
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], |
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} |
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TEST_ALERT_POLICY_2 = { |
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"combiner": "OR", |
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"enabled": False, |
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"display_name": "test alert 2", |
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"conditions": [ |
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{ |
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"condition_threshold": { |
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"filter": ( |
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'metric.label.state="blocked" AND ' |
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'metric.type="agent.googleapis.com/processes/count_by_state" AND ' |
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'resource.type="gce_instance"' |
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), |
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"comparison": "COMPARISON_GT", |
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"threshold_value": 100, |
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"duration": {"seconds": 900}, |
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"trigger": {"percent": 0}, |
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"aggregations": [ |
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{ |
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"alignment_period": {"seconds": 60}, |
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"per_series_aligner": "ALIGN_MEAN", |
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"cross_series_reducer": "REDUCE_MEAN", |
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"group_by_fields": [ |
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"project", |
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"resource.label.instance_id", |
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"resource.label.zone", |
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], |
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} |
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], |
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}, |
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"display_name": "test_alert_policy_2", |
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} |
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], |
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} |
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TEST_NOTIFICATION_CHANNEL_1 = { |
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"display_name": "channel1", |
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"enabled": True, |
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"labels": {"auth_token": "top-secret", "channel_name": "#channel"}, |
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"type_": "slack", |
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} |
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TEST_NOTIFICATION_CHANNEL_2 = { |
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"display_name": "channel2", |
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"enabled": False, |
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"labels": {"auth_token": "top-secret", "channel_name": "#channel"}, |
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"type_": "slack", |
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} |
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with models.DAG( |
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"example_stackdriver", |
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schedule_interval=None, # Override to match your needs |
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start_date=days_ago(1), |
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tags=["example"], |
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) as dag: |
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# [START howto_operator_gcp_stackdriver_upsert_notification_channel] |
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create_notification_channel = StackdriverUpsertNotificationChannelOperator( |
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task_id="create-notification-channel", |
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channels=json.dumps( |
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{"channels": [TEST_NOTIFICATION_CHANNEL_1, TEST_NOTIFICATION_CHANNEL_2]} |
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), |
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) |
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# [END howto_operator_gcp_stackdriver_upsert_notification_channel] |
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# [START howto_operator_gcp_stackdriver_enable_notification_channel] |
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enable_notification_channel = StackdriverEnableNotificationChannelsOperator( |
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task_id="enable-notification-channel", filter_='type="slack"' |
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) |
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# [END howto_operator_gcp_stackdriver_enable_notification_channel] |
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# [START howto_operator_gcp_stackdriver_disable_notification_channel] |
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disable_notification_channel = StackdriverDisableNotificationChannelsOperator( |
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task_id="disable-notification-channel", filter_='displayName="channel1"' |
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) |
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# [END howto_operator_gcp_stackdriver_disable_notification_channel] |
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# [START howto_operator_gcp_stackdriver_list_notification_channel] |
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list_notification_channel = StackdriverListNotificationChannelsOperator( |
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task_id="list-notification-channel", filter_='type="slack"' |
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) |
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# [END howto_operator_gcp_stackdriver_list_notification_channel] |
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# [START howto_operator_gcp_stackdriver_upsert_alert_policy] |
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create_alert_policy = StackdriverUpsertAlertOperator( |
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task_id="create-alert-policies", |
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alerts=json.dumps({"policies": [TEST_ALERT_POLICY_1, TEST_ALERT_POLICY_2]}), |
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) |
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# [END howto_operator_gcp_stackdriver_upsert_alert_policy] |
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# [START howto_operator_gcp_stackdriver_enable_alert_policy] |
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enable_alert_policy = StackdriverEnableAlertPoliciesOperator( |
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task_id="enable-alert-policies", |
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filter_='(displayName="test alert 1" OR displayName="test alert 2")', |
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) |
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# [END howto_operator_gcp_stackdriver_enable_alert_policy] |
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# [START howto_operator_gcp_stackdriver_disable_alert_policy] |
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disable_alert_policy = StackdriverDisableAlertPoliciesOperator( |
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task_id="disable-alert-policies", |
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filter_='displayName="test alert 1"', |
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) |
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# [END howto_operator_gcp_stackdriver_disable_alert_policy] |
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# [START howto_operator_gcp_stackdriver_list_alert_policy] |
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list_alert_policies = StackdriverListAlertPoliciesOperator( |
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task_id="list-alert-policies", |
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) |
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# [END howto_operator_gcp_stackdriver_list_alert_policy] |
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# [START howto_operator_gcp_stackdriver_delete_notification_channel] |
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delete_notification_channel = StackdriverDeleteNotificationChannelOperator( |
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task_id="delete-notification-channel", |
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name="{{ task_instance.xcom_pull('list-notification-channel')[0]['name'] }}", |
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) |
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# [END howto_operator_gcp_stackdriver_delete_notification_channel] |
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delete_notification_channel_2 = StackdriverDeleteNotificationChannelOperator( |
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task_id="delete-notification-channel-2", |
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name="{{ task_instance.xcom_pull('list-notification-channel')[1]['name'] }}", |
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) |
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# [START howto_operator_gcp_stackdriver_delete_alert_policy] |
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delete_alert_policy = StackdriverDeleteAlertOperator( |
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task_id="delete-alert-policy", |
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name="{{ task_instance.xcom_pull('list-alert-policies')[0]['name'] }}", |
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) |
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# [END howto_operator_gcp_stackdriver_delete_alert_policy] |
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delete_alert_policy_2 = StackdriverDeleteAlertOperator( |
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task_id="delete-alert-policy-2", |
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name="{{ task_instance.xcom_pull('list-alert-policies')[1]['name'] }}", |
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) |
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create_notification_channel >> enable_notification_channel >> disable_notification_channel |
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disable_notification_channel >> list_notification_channel >> create_alert_policy |
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create_alert_policy >> enable_alert_policy >> disable_alert_policy >> list_alert_policies |
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list_alert_policies >> delete_notification_channel >> delete_notification_channel_2 |
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delete_notification_channel_2 >> delete_alert_policy >> delete_alert_policy_2
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