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Instructions for deploying airflow on Kubernetes with vineyard as bac…
…kend (#736) Signed-off-by: Tao He <sighingnow@gmail.com>
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| # referred from https://github.com/etcd-io/etcd/blob/master/hack/kubernetes-deploy/etcd.yml | ||
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| apiVersion: v1 | ||
| kind: Pod | ||
| metadata: | ||
| labels: | ||
| app: etcd | ||
| etcd_node: etcd0 | ||
| name: etcd0 | ||
| spec: | ||
| containers: | ||
| - command: | ||
| - /usr/local/bin/etcd | ||
| - --name | ||
| - etcd0 | ||
| - --initial-advertise-peer-urls | ||
| - http://etcd0:2380 | ||
| - --listen-peer-urls | ||
| - http://0.0.0.0:2380 | ||
| - --listen-client-urls | ||
| - http://0.0.0.0:2379 | ||
| - --advertise-client-urls | ||
| - http://etcd0:2379 | ||
| - --initial-cluster | ||
| - etcd0=http://etcd0:2380 | ||
| - --initial-cluster-state | ||
| - new | ||
| image: quay.io/coreos/etcd:v3.4.16 | ||
| name: etcd0 | ||
| ports: | ||
| - containerPort: 2379 | ||
| name: client | ||
| protocol: TCP | ||
| - containerPort: 2380 | ||
| name: server | ||
| protocol: TCP | ||
| restartPolicy: Always | ||
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||
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| --- | ||
| apiVersion: v1 | ||
| kind: Service | ||
| metadata: | ||
| name: etcd-for-vineyard | ||
| spec: | ||
| ports: | ||
| - name: etcd-for-vineyard-port | ||
| port: 2379 | ||
| protocol: TCP | ||
| targetPort: 2379 | ||
| selector: | ||
| app: etcd |
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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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| # Airflow executor | ||
| # One of: LocalExecutor, LocalKubernetesExecutor, CeleryExecutor, KubernetesExecutor, CeleryKubernetesExecutor | ||
| executor: "CeleryExecutor" | ||
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| # Environment variables for all airflow containers | ||
| env: | ||
| - name: "VINEYARD_IPC_SOCKET" | ||
| value: "/var/run/vineyard/vineyard.sock" | ||
| - name: "AIRFLOW__VINEYARD__IPC_SOCKET" | ||
| value: "/var/run/vineyard/vineyard.sock" | ||
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| # Airflow scheduler settings | ||
| scheduler: | ||
| replicas: 1 | ||
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| # Command to use when running the Airflow scheduler (templated). | ||
| command: ~ | ||
| # Args to use when running the Airflow scheduler (templated). | ||
| args: | ||
| - "bash" | ||
| - "-c" | ||
| - | | ||
| export AIRFLOW__CORE__XCOM_BACKEND=vineyard.contrib.airflow.xcom.VineyardXCom; \ | ||
| python3 -m pip install vineyard vineyard-migrate airflow-provider-vineyard; \ | ||
| exec airflow scheduler | ||
| # Launch additional containers into scheduler. | ||
| extraContainers: | ||
| - name: vineyard | ||
| image: libvineyard/vineyardd:v0.4.1 | ||
| command: | ||
| - /bin/bash | ||
| - "-c" | ||
| - | | ||
| /usr/local/bin/vineyardd \ | ||
| --size 4Gi \ | ||
| --etcd_endpoint http://etcd-for-vineyard:2379 \ | ||
| --etcd_prefix airflow-my-airflow-release \ | ||
| --rpc_socket_port 9600 \ | ||
| --socket /var/run/vineyard.sock | ||
| securityContext: | ||
| runAsUser: 0 | ||
| env: | ||
| - name: MY_NODE_NAME | ||
| valueFrom: | ||
| fieldRef: | ||
| fieldPath: spec.nodeName | ||
| - name: MY_POD_NAME | ||
| valueFrom: | ||
| fieldRef: | ||
| fieldPath: metadata.name | ||
| - name: MY_POD_NAMESPACE | ||
| valueFrom: | ||
| fieldRef: | ||
| fieldPath: metadata.namespace | ||
| - name: MY_POD_IP | ||
| valueFrom: | ||
| fieldRef: | ||
| fieldPath: status.podIP | ||
| - name: MY_HOST_NAME | ||
| valueFrom: | ||
| fieldRef: | ||
| fieldPath: status.podIP | ||
| livenessProbe: | ||
| tcpSocket: | ||
| port: 9600 | ||
| periodSeconds: 60 | ||
| readinessProbe: | ||
| exec: | ||
| command: | ||
| - ls | ||
| - /var/run/vineyard.sock | ||
| volumeMounts: | ||
| - name: vineyard-socket | ||
| mountPath: /var/run | ||
| - name: shm | ||
| mountPath: /dev/shm | ||
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| # Mount additional volumes into scheduler. | ||
| extraVolumeMounts: | ||
| - name: vineyard-socket | ||
| mountPath: /var/run/vineyard | ||
| - name: shm | ||
| mountPath: /dev/shm | ||
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| extraVolumes: | ||
| - name: vineyard-socket | ||
| emptyDir: {} | ||
| - name: shm | ||
| emptyDir: | ||
| medium: Memory | ||
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| # Airflow Worker Config | ||
| workers: | ||
| # Number of airflow celery workers in StatefulSet | ||
| replicas: 1 | ||
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| # Command to use when running Airflow workers (templated). | ||
| command: ~ | ||
| # Args to use when running Airflow workers (templated). | ||
| args: | ||
| - "bash" | ||
| - "-c" | ||
| # The format below is necessary to get `helm lint` happy | ||
| - |- | ||
| export AIRFLOW__CORE__XCOM_BACKEND=vineyard.contrib.airflow.xcom.VineyardXCom; \ | ||
| python3 -m pip install vineyard vineyard-migrate airflow-provider-vineyard; \ | ||
| exec \ | ||
| airflow {{ semverCompare ">=2.0.0" .Values.airflowVersion | ternary "celery worker" "worker" }} | ||
| extraContainers: | ||
| - name: vineyard | ||
| image: libvineyard/vineyardd:v0.4.1 | ||
| command: | ||
| - /bin/bash | ||
| - "-c" | ||
| - | | ||
| id; \ | ||
| /usr/local/bin/vineyardd \ | ||
| --size 4Gi \ | ||
| --etcd_endpoint http://etcd-for-vineyard:2379 \ | ||
| --etcd_prefix airflow-my-airflow-release \ | ||
| --rpc_socket_port 9600 \ | ||
| --socket /var/run/vineyard.sock | ||
| securityContext: | ||
| runAsUser: 0 | ||
| env: | ||
| - name: MY_NODE_NAME | ||
| valueFrom: | ||
| fieldRef: | ||
| fieldPath: spec.nodeName | ||
| - name: MY_POD_NAME | ||
| valueFrom: | ||
| fieldRef: | ||
| fieldPath: metadata.name | ||
| - name: MY_POD_NAMESPACE | ||
| valueFrom: | ||
| fieldRef: | ||
| fieldPath: metadata.namespace | ||
| - name: MY_POD_IP | ||
| valueFrom: | ||
| fieldRef: | ||
| fieldPath: status.podIP | ||
| - name: MY_HOST_NAME | ||
| valueFrom: | ||
| fieldRef: | ||
| fieldPath: status.podIP | ||
| livenessProbe: | ||
| tcpSocket: | ||
| port: 9600 | ||
| periodSeconds: 60 | ||
| readinessProbe: | ||
| exec: | ||
| command: | ||
| - ls | ||
| - /var/run/vineyard.sock | ||
| volumeMounts: | ||
| - name: vineyard-socket | ||
| mountPath: /var/run | ||
| - name: shm | ||
| mountPath: /dev/shm | ||
|
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||
| # Mount additional volumes into worker. | ||
| extraVolumeMounts: | ||
| - name: vineyard-socket | ||
| mountPath: /var/run/vineyard | ||
| - name: shm | ||
| mountPath: /dev/shm | ||
|
|
||
| extraVolumes: | ||
| - name: vineyard-socket | ||
| emptyDir: {} | ||
| - name: shm | ||
| emptyDir: | ||
| medium: Memory |
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