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## 구성 요소 및 버전 ## 구성 요소 및 버전
* cri-o (v1.17.4) or docker-ce(v18.09.7) * cri-o (v1.17.5) or docker-ce(v18.09.7)
* kubeadm, kubelet, kubectl (v1.17.6) * kubeadm, kubelet, kubectl (v1.17.8)
* k8s.gcr.io/kube-apiserver:v1.17.6 * k8s.gcr.io/kube-apiserver:v1.17.8
* k8s.gcr.io/kube-proxy:v1.17.6 * k8s.gcr.io/kube-proxy:v1.17.8
* k8s.gcr.io/kube-scheduler:v1.17.6 * k8s.gcr.io/kube-scheduler:v1.17.8
* k8s.gcr.io/kube-controller-manager:v1.17.6 * k8s.gcr.io/kube-controller-manager:v1.17.8
* k8s.gcr.io/etcd:3.4.3-0 * k8s.gcr.io/etcd:3.4.3-0
* k8s.gcr.io/pause:3.1 * k8s.gcr.io/pause:3.1
* k8s.gcr.io/coredns:1.6.5 * k8s.gcr.io/coredns:1.6.5
@@ -27,10 +27,10 @@
``` ```
* 외부 네트워크 통신이 가능한 환경에서 필요한 이미지를 다운받는다. * 외부 네트워크 통신이 가능한 환경에서 필요한 이미지를 다운받는다.
```bash ```bash
$ sudo docker pull k8s.gcr.io/kube-proxy:v1.17.6 $ sudo docker pull k8s.gcr.io/kube-proxy:v1.17.8
$ sudo docker pull k8s.gcr.io/kube-apiserver:v1.17.6 $ sudo docker pull k8s.gcr.io/kube-apiserver:v1.17.8
$ sudo docker pull k8s.gcr.io/kube-controller-manager:v1.17.6 $ sudo docker pull k8s.gcr.io/kube-controller-manager:v1.17.8
$ sudo docker pull k8s.gcr.io/kube-scheduler:v1.17.6 $ sudo docker pull k8s.gcr.io/kube-scheduler:v1.17.8
$ sudo docker pull k8s.gcr.io/etcd:3.4.3-0 $ sudo docker pull k8s.gcr.io/etcd:3.4.3-0
$ sudo docker pull k8s.gcr.io/coredns:1.6.5 $ sudo docker pull k8s.gcr.io/coredns:1.6.5
$ sudo docker pull k8s.gcr.io/pause:3.1 $ sudo docker pull k8s.gcr.io/pause:3.1
@@ -38,12 +38,12 @@
![image](figure/dockerimages.PNG) ![image](figure/dockerimages.PNG)
* docker image를 tar로 저장한다. * docker image를 tar로 저장한다.
```bash ```bash
$ sudo docker save -o kube-proxy.tar k8s.gcr.io/kube-proxy:v1.17.6 $ sudo docker save -o kube-proxy.tar k8s.gcr.io/kube-proxy:v1.17.8
$ sudo docker save -o kube-controller-manager.tar k8s.gcr.io/kube-controller-manager:v1.17.6 $ sudo docker save -o kube-controller-manager.tar k8s.gcr.io/kube-controller-manager:v1.17.8
$ sudo docker save -o etcd.tar k8s.gcr.io/etcd:3.4.3-0 $ sudo docker save -o etcd.tar k8s.gcr.io/etcd:3.4.3-0
$ sudo docker save -o coredns.tar k8s.gcr.io/coredns:1.6.5 $ sudo docker save -o coredns.tar k8s.gcr.io/coredns:1.6.5
$ sudo docker save -o kube-scheduler.tar k8s.gcr.io/kube-scheduler:v1.17.6 $ sudo docker save -o kube-scheduler.tar k8s.gcr.io/kube-scheduler:v1.17.8
$ sudo docker save -o kube-apiserver.tar k8s.gcr.io/kube-apiserver:v1.17.6 $ sudo docker save -o kube-apiserver.tar k8s.gcr.io/kube-apiserver:v1.17.8
$ sudo docker save -o pause.tar k8s.gcr.io/pause:3.1 $ sudo docker save -o pause.tar k8s.gcr.io/pause:3.1
``` ```
![image](figure/dockersave.PNG) ![image](figure/dockersave.PNG)
@@ -59,22 +59,22 @@
``` ```
![image](figure/dockerload.PNG) ![image](figure/dockerload.PNG)
```bash ```bash
$ sudo docker tag k8s.gcr.io/kube-apiserver:v1.17.6 ${REGISTRY}/k8s.gcr.io/kube-apiserver:v1.17.6 $ sudo docker tag k8s.gcr.io/kube-apiserver:v1.17.8 ${REGISTRY}/k8s.gcr.io/kube-apiserver:v1.17.8
$ sudo docker tag k8s.gcr.io/kube-proxy:v1.17.6 ${REGISTRY}/k8s.gcr.io/kube-proxy:v1.17.6 $ sudo docker tag k8s.gcr.io/kube-proxy:v1.17.8 ${REGISTRY}/k8s.gcr.io/kube-proxy:v1.17.8
$ sudo docker tag k8s.gcr.io/kube-controller-manager:v1.17.6 ${REGISTRY}/k8s.gcr.io/kube-controller-manager:v1.17.6 $ sudo docker tag k8s.gcr.io/kube-controller-manager:v1.17.8 ${REGISTRY}/k8s.gcr.io/kube-controller-manager:v1.17.8
$ sudo docker tag k8s.gcr.io/etcd:3.4.3-0 ${REGISTRY}/k8s.gcr.io/etcd:3.4.3-0 $ sudo docker tag k8s.gcr.io/etcd:3.4.3-0 ${REGISTRY}/k8s.gcr.io/etcd:3.4.3-0
$ sudo docker tag k8s.gcr.io/coredns:1.6.5 ${REGISTRY}/k8s.gcr.io/coredns:1.6.5 $ sudo docker tag k8s.gcr.io/coredns:1.6.5 ${REGISTRY}/k8s.gcr.io/coredns:1.6.5
$ sudo docker tag k8s.gcr.io/kube-scheduler:v1.17.6 ${REGISTRY}/k8s.gcr.io/kube-scheduler:v1.17.6 $ sudo docker tag k8s.gcr.io/kube-scheduler:v1.17.8 ${REGISTRY}/k8s.gcr.io/kube-scheduler:v1.17.8
$ sudo docker tag k8s.gcr.io/pause:3.1 ${REGISTRY}/k8s.gcr.io/pause:3.1 $ sudo docker tag k8s.gcr.io/pause:3.1 ${REGISTRY}/k8s.gcr.io/pause:3.1
``` ```
![image](figure/tag.PNG) ![image](figure/tag.PNG)
```bash ```bash
$ sudo docker push ${REGISTRY}/k8s.gcr.io/kube-apiserver:v1.17.6 $ sudo docker push ${REGISTRY}/k8s.gcr.io/kube-apiserver:v1.17.8
$ sudo docker push ${REGISTRY}/k8s.gcr.io/kube-proxy:v1.17.6 $ sudo docker push ${REGISTRY}/k8s.gcr.io/kube-proxy:v1.17.8
$ sudo docker push ${REGISTRY}/k8s.gcr.io/kube-controller-manager:v1.17.6 $ sudo docker push ${REGISTRY}/k8s.gcr.io/kube-controller-manager:v1.17.8
$ sudo docker push ${REGISTRY}/k8s.gcr.io/etcd:3.4.3-0 $ sudo docker push ${REGISTRY}/k8s.gcr.io/etcd:3.4.3-0
$ sudo docker push ${REGISTRY}/k8s.gcr.io/coredns:1.6.5 $ sudo docker push ${REGISTRY}/k8s.gcr.io/coredns:1.6.5
$ sudo docker push ${REGISTRY}/k8s.gcr.io/kube-scheduler:v1.17.6 $ sudo docker push ${REGISTRY}/k8s.gcr.io/kube-scheduler:v1.17.8
$ sudo docker push ${REGISTRY}/k8s.gcr.io/pause:3.1 $ sudo docker push ${REGISTRY}/k8s.gcr.io/pause:3.1
``` ```
![image](figure/push.PNG) ![image](figure/push.PNG)
@@ -256,13 +256,13 @@
* 목적 : `Kubernetes 구성을 위한 kubeadm, kubelet, kubectl 설치한다.` * 목적 : `Kubernetes 구성을 위한 kubeadm, kubelet, kubectl 설치한다.`
* 순서: * 순서:
* CRI-O 메이저와 마이너 버전은 쿠버네티스 메이저와 마이너 버전이 일치해야 한다. * CRI-O 메이저와 마이너 버전은 쿠버네티스 메이저와 마이너 버전이 일치해야 한다.
* (폐쇄망) kubeadm, kubectl, kubelet 설치 (v1.17.6) * (폐쇄망) kubeadm, kubectl, kubelet 설치 (v1.17.8)
```bash ```bash
sudo yum install -y kubeadm-1.17.6-0 kubelet-1.17.6-0 kubectl-1.17.6-0 sudo yum install -y kubeadm-1.17.8-0 kubelet-1.17.8-0 kubectl-1.17.8-0
sudo systemctl enable kubelet sudo systemctl enable kubelet
``` ```
* (외부망) 레포 등록 후 kubeadm, kubectl, kubelet 설치 (v1.17.6) * (외부망) 레포 등록 후 kubeadm, kubectl, kubelet 설치 (v1.17.8)
```bash ```bash
sudo cat << "EOF" | sudo tee -a /etc/yum.repos.d/kubernetes.repo sudo cat << "EOF" | sudo tee -a /etc/yum.repos.d/kubernetes.repo
[kubernetes] [kubernetes]
@@ -274,7 +274,7 @@
gpgkey=https://packages.cloud.google.com/yum/doc/yum-key.gpg https://packages.cloud.google.com/yum/doc/rpm-package-key.gpg gpgkey=https://packages.cloud.google.com/yum/doc/yum-key.gpg https://packages.cloud.google.com/yum/doc/rpm-package-key.gpg
EOF EOF
sudo yum install -y kubeadm-1.17.6-0 kubelet-1.17.6-0 kubectl-1.17.6-0 sudo yum install -y kubeadm-1.17.8-0 kubelet-1.17.8-0 kubectl-1.17.8-0
sudo systemctl enable kubelet sudo systemctl enable kubelet
``` ```
@@ -511,7 +511,7 @@
* 순서 : * 순서 :
* 설치했던 패키지들을 삭제 한다. * 설치했던 패키지들을 삭제 한다.
```bash ```bash
sudo yum remove -y kubeadm-1.17.6-0 kubelet-1.17.6-0 kubectl-1.17.6-0 sudo yum remove -y kubeadm-1.17.8-0 kubelet-1.17.8-0 kubectl-1.17.8-0
sudo yum remove -y crio or sudo yum remove -y docker-ce sudo yum remove -y crio or sudo yum remove -y docker-ce