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CentOs Kubernetes & Kubeflow install Command Lines

Published on Aug 9, 2020

다른 설명 없이 Google Cloud Engine VM 인스턴스 CentOS 7.8에 kubernetes with Calico와 kubeflow을 설치하는 Command Line만 모아놓았습니다.

Server Settings (Both Master, Worker node)

$ sudo setenforce 0
$ sudo sed -i --follow-symlinks 's/SELINUX=enforcing/SELINUX=disabled/g' /etc/sysconfig/selinux
$ sudo modprobe br_netfilter
$ sudo echo '1' > /proc/sys/net/bridge/bridge-nf-call-iptables
$ sudo modprobe br_netfilter
$ sudo swapoff -a

Docker Install (Both Master, Worker node)

$ sudo yum install -y yum-utils device-mapper-persistent-data lvm2
$ sudo yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo
$ sudo yum install -y docker-ce

Kubernetese Install (Both Master, Worker node)

$ sudo vi /etc/yum.repos.d/kubernetes.repo

[kubernetes]
name=Kubernetes
baseurl=https://packages.cloud.google.com/yum/repos/kubernetes-el7-x86_64
enabled=1
gpgcheck=1
repo_gpgcheck=1
gpgkey=https://packages.cloud.google.com/yum/doc/yum-key.gpg https://packages.cloud.google.com/yum/doc/rpm-package-key.gpg

$ sudo yum install -y kubelet kubeadm kubectl
$ sudo systemctl start docker && systemctl enable docker
$ sudo systemctl start kubelet && systemctl enable kubelet 

$ sudo vi /etc/sysctl.d/k8s.conf

net.bridge.bridge-nf-call-ip6tables = 1
net.bridge.bridge-nf-call-iptables = 1

$ sysctl --system
$ sudo reboot

Master node Only

# CNI로 [Calico](https://docs.projectcalico.org/getting-started/kubernetes/quickstart) 사용
$ sudo kubeadm init --pod-network-cidr=192.168.0.0/16
$ mkdir -p $HOME/.kube
$ sudo cp -i /etc/kubernetes/admin.conf $HOME/.kube/config
$ sudo chown $(id -u):$(id -g) $HOME/.kube/config 
$ kubectl create -f https://docs.projectcalico.org/manifests/tigera-operator.yaml
$ kubectl create -f https://docs.projectcalico.org/manifests/custom-resources.yaml

Worker node Only

# 마스터 노드에서 sudo kubeadm init --pod-network-cidr=192.168.0.0/16 명령어 실행 후 출력된 명령어 실행
$ kubeadm join x.x.x.x:x --token 7r5792.5xuktr48txdrwnbj --discovery-token-ca-cert-hash sha256:xxxxxxxxxxxxxxxxxxxxxxxxxxx

Kubeflow Install (v1.0.0 + istio)

$ kubectl apply -f https://raw.githubusercontent.com/rancher/local-path-provisioner/master/deploy/local-path-storage.yaml
$ kubectl patch storageclass local-path -p '{"metadata": {"annotations":{"storageclass.kubernetes.io/is-default-class":"true"}}}'
$ mkdir kubeflow
$ cd kubeflow
$ curl -L -O https://github.com/kubeflow/kfctl/releases/download/v1.0/kfctl_v1.0-0-g94c35cf_linux.tar.gz
$ tar -xvf kfctl_v1.0-0-g94c35cf_linux.tar.gz
$ mkdir yaml
$ cd yaml
$ export CONFIG_URI="https://raw.githubusercontent.com/kubeflow/manifests/v1.0-branch/kfdef/kfctl_k8s_istio.v1.0.0.yaml"
$ kfctl apply -V -f ${CONFIG_URI}

References