개인 공부용 Docker Desktop kubernetes 설정 모음

여러 오픈소스를 공부할 때 Docker Desktop for Windows에서 제공하는 kubernetes를 애용한다.

docker container만으로도 충분히 쓸만하지만 계속 container가 초기화되어 데이터가 유지되지 않거나 또는 매번 window 구동 시 container를 일일이 띄우는 게 귀찮거나 하는 잡다한 문제들이 있다.

환경 구성 설정을 관리하여 이런 문제들을 해결해 나갈 수 있지만 container가 많아질 수록 그 container를 계속 유지하는 게 귀찮아지게 된다.

이런 문제를 편하게 해결 할 수 있는 게 kubernetes인데 예전에는 minikube를 사용할 수 있었지만 그것도 설치하는 게 너무 귀찮고 복잡했다.

하지만 요즘은 Window Docker Desktop이 kubernetes를 지원하면서 간단하게 kubernetes를 사용할 수 있게 되었다.

관련하여 사용하는 Window Docker Desktop kubernetes 설정 yaml들을 모아두었다.

image에 따라 window directory 볼륨 연결을 사용할 수 없거나 시간이 지나면 지원이 안되기도 하지만 되도록 볼륨 연결을 통해 데이터는 유지하는 식으로 사용하고 있다.

사용 방법은 다음과 같다.

• Docker Desktop 설정 -> Kubernetes에서 Enable Kubernetes를 활성화
• Docker Desktop 설정 -> Resources -> FILE SHARING에서 공유할 폴더를 지정하고 아래의 설정들의 공유 폴더 위치를 적절히 수정
• command 창에서 아래 파일의 위치에서 kubectl apply -f [각 yaml파일] 명령을 수행하여 kubernetes pod 생성

아래 예제 중 jenkins의 경우 jenkins 내에서 docker를 사용하기 위해 기존 jenkins image를 가져와 window docker와 연결하여 새로 image를 만드는 형태이다.

jenkins의 경우만 아래와 같이 docker image를 빌드하는 명령을 선행 수행한 후 해당 image로 kubernetes pod를  사용한다.

docker pull jenkins/jenkins:jdk11
docker build -f jenkins-Dockerfile --tag luversof/jenkins .
kubectl apply -f jenkins.yaml

	apiVersion: apps/v1
	kind: Deployment
	metadata:
	name: elasticsearch-deployment
	labels:
	app: elasticsearch
	spec:
	replicas: 1
	selector:
	matchLabels:
	app: elasticsearch
	template:
	metadata:
	labels:
	app: elasticsearch
	spec:
	containers:
	- name: elasticsearch
	image: elasticsearch:8.4.3
	env:
	- name: discovery.type
	value: "single-node"
	ports:
	- containerPort: 9200
	- containerPort: 9300
	---
	apiVersion: v1
	kind: Service
	metadata:
	name: elasticsearch-service
	spec:
	selector:
	app: elasticsearch
	ports:
	- protocol: TCP
	name: kibana-port
	port: 9200
	targetPort: 9200
	- protocol: TCP
	name: kibana-port2
	port: 9300
	targetPort: 9300
	type: LoadBalancer

view raw elasticsearch.yaml hosted with ❤ by GitHub

	FROM jenkins/jenkins:jdk11
	MAINTAINER bluesky <luversof@hanmail.net>
	USER root
	RUN curl -fsSL https://get.docker.com -o get-docker.sh \
	&& sh get-docker.sh
	RUN usermod -aG docker jenkins
	USER jenkins

view raw jenkins-Dockerfile hosted with ❤ by GitHub

	docker pull jenkins/jenkins:jdk11
	docker build -f jenkins-Dockerfile --tag luversof/jenkins .
	kubectl delete pods -l app=jenkins

view raw jenkins.bat hosted with ❤ by GitHub

	apiVersion: apps/v1
	kind: Deployment
	metadata:
	name: jenkins-deployment
	labels:
	app: jenkins
	spec:
	replicas: 1
	selector:
	matchLabels:
	app: jenkins
	template:
	metadata:
	labels:
	app: jenkins
	spec:
	containers:
	- name: jenkins
	image: luversof/jenkins:latest
	imagePullPolicy: Never
	ports:
	- containerPort: 8080
	- containerPort: 50000
	env:
	- name: JAVA_OPTS
	value: "-Duser.timezone=Asia/Seoul"
	volumeMounts:
	- name: jenkins-docker-sock
	mountPath: /var/run/docker.sock
	# - name: jenkins-docker
	# mountPath: /root/.docker
	- name: jenkins-home
	mountPath: /var/jenkins_home
	- name: jenkins-m2
	mountPath: /root/.m2
	# 절대 권장하지 않는 방식임
	securityContext:
	privileged: true
	# allowPrivilegeEscalation: false
	runAsUser: 0
	volumes:
	- name: jenkins-docker-sock
	hostPath:
	path: /var/run/docker.sock
	# - name: jenkins-docker
	# hostPath:
	# path: /mnt/c/data/jenkins-docker
	- name: jenkins-home
	hostPath:
	# path: /mnt/c/data/jenkins-home
	path: /mnt/f/dev/data/jenkins-home
	- name: jenkins-m2
	hostPath:
	# path: /mnt/c/data/jenkins-m2
	path: /mnt/f/dev/data/jenkins-m2
	# imagePullSecrets:
	# - name: bluesky-secret
	---
	apiVersion: v1
	kind: Service
	metadata:
	name: jenkins-service
	spec:
	selector:
	app: jenkins
	ports:
	- protocol: TCP
	name: jenkins-port
	port: 8080
	targetPort: 8080
	- protocol: TCP
	name: jenkins-slave-agent-port
	port: 50000
	targetPort: 50000
	type: LoadBalancer

view raw jenkins.yaml hosted with ❤ by GitHub

	# https://www.magalix.com/blog/kafka-on-kubernetes-and-deploying-best-practice
	kind: Deployment
	apiVersion: apps/v1
	metadata:
	name: zookeeper-deploy
	spec:
	replicas: 1
	selector:
	matchLabels:
	app: zookeeper-1
	template:
	metadata:
	labels:
	app: zookeeper-1
	spec:
	containers:
	- name: zoo1
	image: digitalwonderland/zookeeper
	ports:
	- containerPort: 2181
	env:
	- name: ZOOKEEPER_ID
	value: "1"
	- name: ZOOKEEPER_SERVER_1
	value: zoo1
	---
	apiVersion: v1
	kind: Service
	metadata:
	name: zoo1
	labels:
	app: zookeeper-1
	spec:
	ports:
	- name: client
	port: 2181
	protocol: TCP
	- name: follower
	port: 2888
	protocol: TCP
	- name: leader
	port: 3888
	protocol: TCP
	selector:
	app: zookeeper-1
	---
	apiVersion: v1
	kind: Service
	metadata:
	name: kafka-service
	labels:
	name: kafka
	spec:
	ports:
	- port: 9092
	name: kafka-port
	protocol: TCP
	selector:
	app: kafka
	id: "0"
	type: LoadBalancer
	---
	kind: Deployment
	apiVersion: apps/v1
	metadata:
	name: kafka-broker0
	spec:
	replicas: 1
	selector:
	matchLabels:
	app: kafka
	id: "0"
	template:
	metadata:
	labels:
	app: kafka
	id: "0"
	spec:
	containers:
	- name: kafka
	image: wurstmeister/kafka
	ports:
	- containerPort: 9092
	env:
	- name: KAFKA_ADVERTISED_PORT
	value: "9092"
	- name: KAFKA_ADVERTISED_HOST_NAME
	value: 127.0.0.1
	- name: KAFKA_ZOOKEEPER_CONNECT
	value: zoo1:2181
	- name: KAFKA_BROKER_ID
	value: "0"
	- name: KAFKA_CREATE_TOPICS
	value: admintome-test:1:1

view raw kafka.yaml hosted with ❤ by GitHub

	apiVersion: apps/v1
	kind: Deployment
	metadata:
	name: kibana-deployment
	labels:
	app: kibana
	spec:
	replicas: 1
	selector:
	matchLabels:
	app: kibana
	template:
	metadata:
	labels:
	app: kibana
	spec:
	containers:
	- name: kibana
	image: kibana:8.4.3
	ports:
	- containerPort: 5601
	---
	apiVersion: v1
	kind: Service
	metadata:
	name: kibana-service
	spec:
	selector:
	app: kibana
	ports:
	- protocol: TCP
	name: kibana-port
	port: 5601
	targetPort: 5601
	type: LoadBalancer

view raw kibana.yaml hosted with ❤ by GitHub

	apiVersion: apps/v1
	kind: Deployment
	metadata:
	name: sonarqube-deployment
	labels:
	app: sonarqube
	spec:
	replicas: 1
	selector:
	matchLabels:
	app: sonarqube
	template:
	metadata:
	labels:
	app: sonarqube
	spec:
	containers:
	- name: sonarqube
	image: sonarqube
	ports:
	- containerPort: 9000
	env:
	- name: SONAR_JDBC_URL
	value: "jdbc:sqlserver://mssql-service;databaseName=sonarqube;encrypt=false"
	- name: SONAR_JDBC_USERNAME
	value: "sa"
	- name: SONAR_JDBC_PASSWORD
	value: "testPassword!"
	volumeMounts:
	- name: sonarqube-data
	mountPath: /opt/sonarqube/data
	- name: sonarqube-extensions
	mountPath: /opt/sonarqube/extensions
	- name: sonarqube-logs
	mountPath: /opt/sonarqube/logs
	volumes:
	- name: sonarqube-data
	hostPath:
	path: /mnt/f/dev/data/sonarqube-data
	- name: sonarqube-extensions
	hostPath:
	path: /mnt/f/dev/data/sonarqube-extensions
	- name: sonarqube-logs
	hostPath:
	path: /mnt/f/dev/data/sonarqube-logs
	---
	apiVersion: v1
	kind: Service
	metadata:
	name: sonarqube-service
	spec:
	selector:
	app: sonarqube
	ports:
	- protocol: TCP
	name: sonarqube-port
	port: 9000
	targetPort: 9000
	type: LoadBalancer

view raw sonarqube.yaml hosted with ❤ by GitHub

	apiVersion: apps/v1
	kind: Deployment
	metadata:
	name: zeppelin-deployment
	labels:
	app: zeppelin
	spec:
	replicas: 1
	selector:
	matchLabels:
	app: zeppelin
	template:
	metadata:
	labels:
	app: zeppelin
	spec:
	containers:
	- name: zeppelin
	image: apache/zeppelin:0.9.0
	ports:
	- containerPort: 8080
	volumeMounts:
	- name: zeppelin-notebook
	mountPath: /opt/zeppelin/notebook
	volumes:
	- name: zeppelin-notebook
	hostPath:
	path: /mnt/f/dev/data/zeppelin-notebook
	---
	apiVersion: v1
	kind: Service
	metadata:
	name: zeppelin-service
	spec:
	selector:
	app: zeppelin
	ports:
	- protocol: TCP
	port: 8085
	targetPort: 8080
	type: LoadBalancer

view raw zeppelin.yaml hosted with ❤ by GitHub