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.webserver_secret_key |
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IMAGE_NAME=airflow-code-editor | ||
OWNER=andreax79 | ||
NAMESPACE=airflow | ||
AIRFLOW_VERSION=2.4.1 | ||
PLUGIN_VERSION=`cat ../airflow_code_editor/VERSION` | ||
VERSION=${AIRFLOW_VERSION}-${PLUGIN_VERSION} | ||
IMAGE=${OWNER}/${IMAGE_NAME} | ||
NODEPORT=airflow-webserver-nodeport | ||
HELM=helm | ||
KUBECTL=kubectl | ||
WEBSERVER_SECRET_NAME=my-webserver-secret | ||
.PHONY: help up down add_repo create_namespace | ||
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help: | ||
@echo "- make up Start Airflow" | ||
@echo "- make down Stop Airflow" | ||
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.DEFAULT_GOAL := help | ||
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.webserver_secret_key: create_namespace | ||
@python3 -c 'import secrets; print(secrets.token_hex(16))' > .webserver_secret_key | ||
# @openssl rand -hex 16 > .webserver_secret_key | ||
@${KUBECTL} -n ${NAMESPACE} delete secret generic ${WEBSERVER_SECRET_NAME} 2>/dev/null || true | ||
@${KUBECTL} -n ${NAMESPACE} create secret generic ${WEBSERVER_SECRET_NAME} --from-file=webserver-secret-key=.webserver_secret_key | ||
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create_namespace: | ||
@${KUBECTL} create namespace ${NAMESPACE} 2>/dev/null || true | ||
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add_repo: | ||
@${HELM} repo add apache-airflow https://airflow.apache.org | ||
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up: .webserver_secret_key add_repo | ||
@${HELM} upgrade --install airflow apache-airflow/airflow \ | ||
--namespace ${NAMESPACE} \ | ||
--create-namespace \ | ||
-f values.yaml \ | ||
--set images.airflow.repository=${IMAGE} \ | ||
--set images.airflow.tag=${VERSION} \ | ||
--debug | ||
# Expose the Webserver | ||
@${KUBECTL} --namespace ${NAMESPACE} \ | ||
expose deployment airflow-webserver \ | ||
--type=NodePort \ | ||
--name ${NODEPORT} 2>/dev/null || true | ||
# Get port | ||
@${KUBECTL} --namespace ${NAMESPACE} get service ${NODEPORT} | ||
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down: | ||
@${HELM} delete airflow --namespace ${NAMESPACE} | ||
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all: help |
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# Deploying Airflow Code Editor on Kubernetes | ||
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Steps to run Airflow Code Editoron a Kubernetes cluster using helm. | ||
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## Installation steps | ||
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Add Airflow chart repository: | ||
```bash | ||
$ helm repo add apache-airflow https://airflow.apache.org | ||
"apache-airflow" has been added to your repositories | ||
``` | ||
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Create the namespace: | ||
```bash | ||
$ kubectl create namespace airflow | ||
namespace/airflow created | ||
``` | ||
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Generate the Fernet key: | ||
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```bash | ||
# Python | ||
$ python3 -c 'import secrets; print(secrets.token_hex(16))' > .webserver_secret_key | ||
# or OpenSSL | ||
$ openssl rand -hex 16 > .webserver_secret_key | ||
$ kubectl -n airflow create secret generic my-webserver-secret --from-file=webserver-secret-key=.webserver_secret_key | ||
secret/my-webserver-secret created | ||
``` | ||
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Install Airflow + Airflow Code Editor: | ||
```bash | ||
$ helm upgrade --install airflow apache-airflow/airflow \ | ||
--namespace airflow \ | ||
--create-namespace \ | ||
-f values.yaml \ | ||
--set images.airflow.repository=andreax79/airflow-code-editor \ | ||
--set images.airflow.tag=2.4.1-7.2.1 | ||
Release "airflow" does not exist. Installing it now. | ||
NAME: airflow | ||
LAST DEPLOYED: Mon Jan 30 09:46:09 2023 | ||
NAMESPACE: airflow | ||
STATUS: deployed | ||
REVISION: 1 | ||
TEST SUITE: None | ||
NOTES: | ||
Thank you for installing Apache Airflow 2.4.1! | ||
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Your release is named airflow. | ||
You can now access your dashboard(s) by executing the following command(s) and visiting the corresponding port at localhost in your browser: | ||
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Airflow Webserver: kubectl port-forward svc/airflow-webserver 8080:8080 --namespace airflow | ||
Default Webserver (Airflow UI) Login credentials: | ||
username: admin | ||
password: admin | ||
Default Postgres connection credentials: | ||
username: postgres | ||
password: postgres | ||
port: 5432 | ||
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You can get Fernet Key value by running the following: | ||
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echo Fernet Key: $(kubectl get secret --namespace airflow airflow-fernet-key -o jsonpath="{.data.fernet-key}" | base64 --decode) | ||
``` | ||
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Expose the Webserver: | ||
```bash | ||
$ kubectl --namespace airflow expose deployment airflow-webserver --type=NodePort --name airflow-webserver-nodeport | ||
service/airflow-webserver-nodeport exposed | ||
``` | ||
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Get port: | ||
```bash | ||
$ kubectl --namespace airflow get service | grep NodePort | ||
airflow-webserver-nodeport NodePort 10.152.183.185 <none> 8080:30383/TCP 29s | ||
``` | ||
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Check if Airflow is running: | ||
```bash | ||
$ kubectl get pods -n airflow | ||
``` | ||
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Uninstall | ||
```bash | ||
$ helm delete airflow --namespace airflow | ||
$ kubectl delete namespace airflow | ||
``` | ||
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### Links | ||
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* [Airflow Helm Chart](https://github.com/airflow-helm/charts/tree/main/charts/airflow) |
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dags: | ||
persistence: | ||
# Enable persistent volume for storing dags | ||
enabled: true | ||
# Access mode of the dags volume | ||
accessMode: ReadWriteMany | ||
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webserverSecretKeySecretName: my-webserver-secret | ||
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webserver: | ||
# Dags volume | ||
extraVolumes: | ||
- name: dags | ||
persistentVolumeClaim: | ||
claimName: "airflow-dags" | ||
extraVolumeMounts: | ||
- name: dags | ||
mountPath: "/opt/airflow/dags" | ||
readOnly: false | ||
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images: | ||
# Airflow Code Editor image | ||
airflow: | ||
repository: "andreax79/airflow-code-editor" | ||
tag: "2.4.1-7.2.1" |