diff --git a/Setup Guide.pdf b/Setup Guide.pdf new file mode 100644 index 0000000..0685c47 Binary files /dev/null and b/Setup Guide.pdf differ diff --git a/setup-container.sh b/setup-container.sh new file mode 100755 index 0000000..e3bc604 --- /dev/null +++ b/setup-container.sh @@ -0,0 +1,78 @@ +#!/bin/bash +# script that runs +# https://kubernetes.io/docs/setup/production-environment/container-runtime + +# setting MYOS variable +MYOS=$(hostnamectl | awk '/Operating/ { print $3 }') +OSVERSION=$(hostnamectl | awk '/Operating/ { print $4 }') + +##### CentOS 7 config +if [ $MYOS = "centos" ] +then + echo setting up CentOS 7 with Docker + yum install -y vim yum-utils device-mapper-persistent-data lvm2 + yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo + + # notice that only verified versions of Docker may be installed + # verify the documentation to check if a more recent version is available + + yum install -y docker-ce + [ ! -d /etc/docker ] && mkdir /etc/docker + + mkdir -p /etc/systemd/system/docker.service.d + + + cat > /etc/docker/daemon.json <<- EOF + { + "exec-opts": ["native.cgroupdriver=systemd"], + "log-driver": "json-file", + "log-opts": { + "max-size": "100m" + }, + "storage-driver": "overlay2", + "storage-opts": [ + "overlay2.override_kernel_check=true" + ] + } + EOF + + + systemctl daemon-reload + systemctl restart docker + systemctl enable docker + + systemctl disable --now firewalld +fi + +echo printing MYOS $MYOS + +if [ $MYOS = "Ubuntu" ] +then + ### setting up container runtime prereq + cat <<- EOF | sudo tee /etc/modules-load.d/containerd.conf + overlay + br_netfilter + EOF + + sudo modprobe overlay + sudo modprobe br_netfilter + + # Setup required sysctl params, these persist across reboots. + cat <<- EOF | sudo tee /etc/sysctl.d/99-kubernetes-cri.conf + net.bridge.bridge-nf-call-iptables = 1 + net.ipv4.ip_forward = 1 + net.bridge.bridge-nf-call-ip6tables = 1 + EOF + + # Apply sysctl params without reboot + sudo sysctl --system + + # (Install containerd) + sudo apt-get update && sudo apt-get install -y containerd + # Configure containerd + sudo mkdir -p /etc/containerd + containerd config default | sudo tee /etc/containerd/config.toml + # Restart containerd + sudo systemctl restart containerd +fi + diff --git a/setup-cri.sh b/setup-cri.sh new file mode 100755 index 0000000..7f359cc --- /dev/null +++ b/setup-cri.sh @@ -0,0 +1,34 @@ +#!/bin/bash +# script that runs +# https://kubernetes.io/docs/setup/production-environment/container-runtime + +yum install -y vim yum-utils device-mapper-persistent-data lvm2 +yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo + +# notice that only verified versions of Docker may be installed +# verify the documentation to check if a more recent version is available + +yum install -y docker-ce +[ ! -d /etc/docker ] && mkdir /etc/docker + +cat > /etc/docker/daemon.json <