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k8s, oper update2

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      MON/FRONTEND/K8S_OPER/README.md → MON/FRONTEND/K8S_OPER/DBAPI/README.md
      View file @ 76f2c7a6
      ......@@ -2,8 +2,7 @@
      # MON Operation Overview
      > K8s 기반의 Front-End System Overview
      > K8s 설치 과정은 생략한다.
      > K8s 기반의 **Nginx** Front-End System Overview
      # K8s Deployment Current Status
      ......@@ -31,7 +30,7 @@ monitor-nodejs-f68967947-vrchl 1/1 Running 0 5d23h 10
      ## Nginx Deployment yaml
      > 역할 : Nginx POD를 생성하는 Deployment를 작성한다.
      > 역할 : Nginx POD를 배포하는 Deployment를 작성한다.
      ```
      ......@@ -96,138 +95,97 @@ spec:
      - name: harbor-login
      ```
      ## Node.js API Deployment yaml
      ## Nginx HPA Scale yaml
      > 역할 :
      > 역할 : AutoScaling 정책을 작성한다.
      ```
      # cat mon_nodejs.yaml
      apiVersion: apps/v1
      kind: Deployment
      # cat mon_scale_nginx.yaml
      apiVersion: autoscaling/v1
      kind: HorizontalPodAutoscaler
      metadata:
      labels:
      app: nodejs
      name: monitor-nodejs
      name: nginx-hpa
      namespace: default
      spec:
      replicas: 2
      strategy:
      type: RollingUpdate
      rollingUpdate:
      maxSurge: 1
      maxUnavailable: 0
      selector:
      matchLabels:
      app: nodejs
      template:
      metadata:
      labels:
      app: nodejs
      spec:
      affinity:
      nodeAffinity:
      requiredDuringSchedulingIgnoredDuringExecution:
      nodeSelectorTerms:
      - matchExpressions:
      - key: servertype
      operator: NotIn
      values:
      - master
      podAntiAffinity:
      requiredDuringSchedulingIgnoredDuringExecution:
      - labelSelector:
      matchExpressions:
      - key: app
      operator: In
      values:
      - nodejs
      topologyKey: "kubernetes.io/hostname"
      volumes:
      - name: mon-home-volume
      persistentVolumeClaim:
      claimName: mon-home-volume-pvc
      dnsPolicy: "None"
      dnsConfig:
      nameservers:
      - 8.8.8.8
      - 61.100.0.136
      - 61.100.0.152
      containers:
      - image: harbor.hongsnet.net/monitor/monitoring-nodejs:20220801_24
      imagePullPolicy: IfNotPresent
      name: monitor-nodejs
      volumeMounts:
      - mountPath: /home
      name: mon-home-volume
      imagePullSecrets:
      - name: harbor-login
      scaleTargetRef:
      apiVersion: apps/v1
      kind: Deployment
      name: monitor-nginx
      minReplicas: 2
      maxReplicas: 3
      targetCPUUtilizationPercentage: 80
      ```
      ## Node.js DB API Deployment yaml
      ## Nginx Service yaml
      > 역할 :
      > 역할 : Nginx Service를 작성한다. 여기서는 NodePort 방식을 통해 배포한다.
      ```
      # cat mon_dbapi.yaml
      apiVersion: apps/v1
      kind: Deployment
      # cat mon_service_nginx.yaml
      apiVersion: v1
      kind: Service
      metadata:
      labels:
      app: dbapi
      name: monitor-dbapi
      name: monitor-nginx
      spec:
      replicas: 2
      strategy:
      type: RollingUpdate
      rollingUpdate:
      maxSurge: 1
      maxUnavailable: 0
      externalTrafficPolicy: Local
      type: NodePort
      selector:
      matchLabels:
      app: dbapi
      template:
      metadata:
      labels:
      app: dbapi
      spec:
      affinity:
      nodeAffinity:
      requiredDuringSchedulingIgnoredDuringExecution:
      nodeSelectorTerms:
      - matchExpressions:
      - key: servertype
      operator: NotIn
      values:
      - master
      podAntiAffinity:
      requiredDuringSchedulingIgnoredDuringExecution:
      - labelSelector:
      matchExpressions:
      - key: app
      operator: In
      values:
      - dbapi
      topologyKey: "kubernetes.io/hostname"
      volumes:
      - name: mon-home-volume
      persistentVolumeClaim:
      claimName: mon-home-volume-pvc
      dnsPolicy: "None"
      dnsConfig:
      nameservers:
      - 8.8.8.8
      - 61.100.0.136
      - 61.100.0.152
      containers:
      - image: harbor.hongsnet.net/monitor/monitoring-nodejs-db:20220801_6
      imagePullPolicy: IfNotPresent
      name: monitor-dbapi
      volumeMounts:
      - mountPath: /home
      name: mon-home-volume
      imagePullSecrets:
      - name: harbor-login
      app: nginx
      ports:
      - name: nginx
      port: 80
      protocol: TCP
      targetPort: 80
      nodePort: 32000
      ```
      ## 실행
      > 배포 및 관리는 여러 가지 방법이 있지만, 여기서는 **kubectl** 을 사용하여 실행한다.
      - **시작**
      ```
      # cat start-mon_nginx.sh
      #!/bin/bash
      kubectl create -f mon_nginx.yaml
      kubectl create -f mon_scale_nginx.yaml
      kubectl create -f mon_service_nginx.yaml
      ```
      실행결과는 다음과 같다.
      ```
      # ./start-mon_nginx.sh
      deployment.apps/monitor-nginx created
      horizontalpodautoscaler.autoscaling/nginx-hpa created
      service/monitor-nginx created
      ```
      - **중지**
      ```
      # cat stop-mon_nginx.sh
      #!/bin/bash
      kubectl delete -f mon_service_nginx.yaml
      kubectl delete -f mon_scale_nginx.yaml
      kubectl delete -f mon_nginx.yaml
      #kubectl delete hpa monitor-nginx
      ```
      실행결과는 다음과 같다.
      ```
      # ./stop-mon_nginx.sh
      service "monitor-nginx" deleted
      horizontalpodautoscaler.autoscaling "nginx-hpa" deleted
      deployment.apps "monitor-nginx" deleted
      ```
      MON/FRONTEND/K8S_OPER/NGINX/README.md 0 → 100644
      View file @ 76f2c7a6
      [![logo](https://www.hongsnet.net/images/logo.gif)](https://www.hongsnet.net)
      # MON Operation Overview
      > K8s 기반의 **Nginx** Front-End System Overview
      # K8s Deployment Current Status
      ```
      # kubectl get pods -o wide |grep mon
      monitor-dbapi-74cb655d-8lxzb 1/1 Running 0 5d23h 10.244.4.7 tb3-docker <none> <none>
      monitor-dbapi-74cb655d-grngk 1/1 Running 0 5d23h 10.244.3.253 tb3 <none> <none>
      monitor-nginx-7cdb67c44f-c7x47 1/1 Running 0 5d23h 10.244.3.252 tb3 <none> <none>
      monitor-nginx-7cdb67c44f-fb8tk 1/1 Running 0 5d23h 10.244.6.142 tb2 <none> <none>
      monitor-nodejs-f68967947-qz7bm 1/1 Running 0 5d23h 10.244.4.6 tb3-docker <none> <none>
      monitor-nodejs-f68967947-vrchl 1/1 Running 0 5d23h 10.244.4.5 tb3-docker <none> <none>
      ```
      # Docker Private Registry(harbor.hongsnet.net) Secret
      ```
      # kubectl create secret generic harbor-login --from-file=.dockerconfigjson=/root/.docker/config.json --type=kubernetes.io/dockerconfigjson
      ```
      > Private Container Image에 대한 인증 Secret를 생성한다. 이는 다음의 Deployment에서 사용된다.
      # monitor Deployment Status
      ## Nginx Deployment yaml
      > 역할 : Nginx POD를 배포하는 Deployment를 작성한다.
      ```
      # cat mon_nginx.yaml
      apiVersion: apps/v1
      kind: Deployment
      metadata:
      labels:
      app: nginx
      name: monitor-nginx
      spec:
      replicas: 2
      strategy:
      type: RollingUpdate
      rollingUpdate:
      maxSurge: 1
      maxUnavailable: 0
      selector:
      matchLabels:
      app: nginx
      template:
      metadata:
      labels:
      app: nginx
      spec:
      affinity:
      nodeAffinity:
      requiredDuringSchedulingIgnoredDuringExecution:
      nodeSelectorTerms:
      - matchExpressions:
      - key: servertype
      operator: NotIn
      values:
      - master
      podAntiAffinity:
      requiredDuringSchedulingIgnoredDuringExecution:
      - labelSelector:
      matchExpressions:
      - key: app
      operator: In
      values:
      - nginx
      topologyKey: "kubernetes.io/hostname"
      volumes:
      - name: mon-home-volume
      persistentVolumeClaim:
      claimName: mon-home-volume-pvc
      dnsPolicy: "None"
      dnsConfig:
      nameservers:
      - 8.8.8.8
      - 61.100.0.136
      - 61.100.0.152
      containers:
      - image: harbor.hongsnet.net/monitor/monitoring-nginx:20220801_32
      imagePullPolicy: IfNotPresent
      name: monitor-nginx
      volumeMounts:
      - mountPath: /home
      name: mon-home-volume
      imagePullSecrets:
      - name: harbor-login
      ```
      ## Nginx HPA Scale yaml
      > 역할 : AutoScaling 정책을 작성한다.
      ```
      # cat mon_scale_nginx.yaml
      apiVersion: autoscaling/v1
      kind: HorizontalPodAutoscaler
      metadata:
      name: nginx-hpa
      namespace: default
      spec:
      scaleTargetRef:
      apiVersion: apps/v1
      kind: Deployment
      name: monitor-nginx
      minReplicas: 2
      maxReplicas: 3
      targetCPUUtilizationPercentage: 80
      ```
      ## Nginx Service yaml
      > 역할 : Nginx Service를 작성한다. 여기서는 NodePort 방식을 통해 배포한다.
      ```
      # cat mon_service_nginx.yaml
      apiVersion: v1
      kind: Service
      metadata:
      name: monitor-nginx
      spec:
      externalTrafficPolicy: Local
      type: NodePort
      selector:
      app: nginx
      ports:
      - name: nginx
      port: 80
      protocol: TCP
      targetPort: 80
      nodePort: 32000
      ```
      ## 실행
      > 배포 및 관리는 여러 가지 방법이 있지만, 여기서는 **kubectl** 을 사용하여 실행한다.
      - **시작**
      ```
      # cat start-mon_nginx.sh
      #!/bin/bash
      kubectl create -f mon_nginx.yaml
      kubectl create -f mon_scale_nginx.yaml
      kubectl create -f mon_service_nginx.yaml
      ```
      실행결과는 다음과 같다.
      ```
      # ./start-mon_nginx.sh
      deployment.apps/monitor-nginx created
      horizontalpodautoscaler.autoscaling/nginx-hpa created
      service/monitor-nginx created
      ```
      - **중지**
      ```
      # cat stop-mon_nginx.sh
      #!/bin/bash
      kubectl delete -f mon_service_nginx.yaml
      kubectl delete -f mon_scale_nginx.yaml
      kubectl delete -f mon_nginx.yaml
      #kubectl delete hpa monitor-nginx
      ```
      실행결과는 다음과 같다.
      ```
      # ./stop-mon_nginx.sh
      service "monitor-nginx" deleted
      horizontalpodautoscaler.autoscaling "nginx-hpa" deleted
      deployment.apps "monitor-nginx" deleted
      ```
      MON/FRONTEND/K8S_OPER/NODEJS/README.md 0 → 100644
      View file @ 76f2c7a6
      [![logo](https://www.hongsnet.net/images/logo.gif)](https://www.hongsnet.net)
      # MON Operation Overview
      > K8s 기반의 **Nginx** Front-End System Overview
      # K8s Deployment Current Status
      ```
      # kubectl get pods -o wide |grep mon
      monitor-dbapi-74cb655d-8lxzb 1/1 Running 0 5d23h 10.244.4.7 tb3-docker <none> <none>
      monitor-dbapi-74cb655d-grngk 1/1 Running 0 5d23h 10.244.3.253 tb3 <none> <none>
      monitor-nginx-7cdb67c44f-c7x47 1/1 Running 0 5d23h 10.244.3.252 tb3 <none> <none>
      monitor-nginx-7cdb67c44f-fb8tk 1/1 Running 0 5d23h 10.244.6.142 tb2 <none> <none>
      monitor-nodejs-f68967947-qz7bm 1/1 Running 0 5d23h 10.244.4.6 tb3-docker <none> <none>
      monitor-nodejs-f68967947-vrchl 1/1 Running 0 5d23h 10.244.4.5 tb3-docker <none> <none>
      ```
      # Docker Private Registry(harbor.hongsnet.net) Secret
      ```
      # kubectl create secret generic harbor-login --from-file=.dockerconfigjson=/root/.docker/config.json --type=kubernetes.io/dockerconfigjson
      ```
      > Private Container Image에 대한 인증 Secret를 생성한다. 이는 다음의 Deployment에서 사용된다.
      # monitor Deployment Status
      ## Nginx Deployment yaml
      > 역할 : Nginx POD를 배포하는 Deployment를 작성한다.
      ```
      # cat mon_nginx.yaml
      apiVersion: apps/v1
      kind: Deployment
      metadata:
      labels:
      app: nginx
      name: monitor-nginx
      spec:
      replicas: 2
      strategy:
      type: RollingUpdate
      rollingUpdate:
      maxSurge: 1
      maxUnavailable: 0
      selector:
      matchLabels:
      app: nginx
      template:
      metadata:
      labels:
      app: nginx
      spec:
      affinity:
      nodeAffinity:
      requiredDuringSchedulingIgnoredDuringExecution:
      nodeSelectorTerms:
      - matchExpressions:
      - key: servertype
      operator: NotIn
      values:
      - master
      podAntiAffinity:
      requiredDuringSchedulingIgnoredDuringExecution:
      - labelSelector:
      matchExpressions:
      - key: app
      operator: In
      values:
      - nginx
      topologyKey: "kubernetes.io/hostname"
      volumes:
      - name: mon-home-volume
      persistentVolumeClaim:
      claimName: mon-home-volume-pvc
      dnsPolicy: "None"
      dnsConfig:
      nameservers:
      - 8.8.8.8
      - 61.100.0.136
      - 61.100.0.152
      containers:
      - image: harbor.hongsnet.net/monitor/monitoring-nginx:20220801_32
      imagePullPolicy: IfNotPresent
      name: monitor-nginx
      volumeMounts:
      - mountPath: /home
      name: mon-home-volume
      imagePullSecrets:
      - name: harbor-login
      ```
      ## Nginx HPA Scale yaml
      > 역할 : AutoScaling 정책을 작성한다.
      ```
      # cat mon_scale_nginx.yaml
      apiVersion: autoscaling/v1
      kind: HorizontalPodAutoscaler
      metadata:
      name: nginx-hpa
      namespace: default
      spec:
      scaleTargetRef:
      apiVersion: apps/v1
      kind: Deployment
      name: monitor-nginx
      minReplicas: 2
      maxReplicas: 3
      targetCPUUtilizationPercentage: 80
      ```
      ## Nginx Service yaml
      > 역할 : Nginx Service를 작성한다. 여기서는 NodePort 방식을 통해 배포한다.
      ```
      # cat mon_service_nginx.yaml
      apiVersion: v1
      kind: Service
      metadata:
      name: monitor-nginx
      spec:
      externalTrafficPolicy: Local
      type: NodePort
      selector:
      app: nginx
      ports:
      - name: nginx
      port: 80
      protocol: TCP
      targetPort: 80
      nodePort: 32000
      ```
      ## 실행
      > 배포 및 관리는 여러 가지 방법이 있지만, 여기서는 **kubectl** 을 사용하여 실행한다.
      - **시작**
      ```
      # cat start-mon_nginx.sh
      #!/bin/bash
      kubectl create -f mon_nginx.yaml
      kubectl create -f mon_scale_nginx.yaml
      kubectl create -f mon_service_nginx.yaml
      ```
      실행결과는 다음과 같다.
      ```
      # ./start-mon_nginx.sh
      deployment.apps/monitor-nginx created
      horizontalpodautoscaler.autoscaling/nginx-hpa created
      service/monitor-nginx created
      ```
      - **중지**
      ```
      # cat stop-mon_nginx.sh
      #!/bin/bash
      kubectl delete -f mon_service_nginx.yaml
      kubectl delete -f mon_scale_nginx.yaml
      kubectl delete -f mon_nginx.yaml
      #kubectl delete hpa monitor-nginx
      ```
      실행결과는 다음과 같다.
      ```
      # ./stop-mon_nginx.sh
      service "monitor-nginx" deleted
      horizontalpodautoscaler.autoscaling "nginx-hpa" deleted
      deployment.apps "monitor-nginx" deleted
      ```
      MON/FRONTEND/README.md
      View file @ 76f2c7a6
      ......@@ -11,5 +11,7 @@
      | ------ | ------ | ------ | ------ |
      | 1 | HA-Proxy 설치 및 구성 | [GO](../../INFRA/HA-PROXY/) | |
      | 2 | K8s 구성 내역 | [GO](./K8S/) | |
      | 3 | K8s 운용 내역| [GO](./K8S_OPER/) | |
      | 4 | CI/CD 배포 구성| [GO](./MON_CICD/) | |
      | 3 | Nginx Front-End 구성| [GO](./K8S_OPER/NGINX/) | |
      | 4 | API(Node.js) Front-End 구성| [GO](./K8S_OPER/NODEJS/) | |
      | 5 | DB API(Node.js) Front-End 구성| [GO](./K8S_OPER/DBAPI/) | |
      | 6 | CI/CD 배포 구성| [GO](./MON_CICD/) | |
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