arch-kube-dev-install.sh

#!/bin/bash
set -e

: ${IP?Missing desired ip to configure}
: ${HOSTNAME?Missing desired hostname to configure}
: ${ROLE?Missing desired role to configure (master,node)}
: ${NVIDIA?Missing nvidia flag (true,false)}
: ${INGRESS?Missing ingress flag (true,false)}

# Common functions to use in different files
cat > ~/functions.sh << \EOT
#!/usr/bin/env bash
set -e
function install_aur() {
  for pkg in $@;
  do
    mkdir -p ~/packages/$pkg
    cd ~/packages/$pkg
    if [ ! -d ".git" ]; then
      git clone https://aur.archlinux.org/$pkg.git .
    fi
    makepkg -sric --noconfirm
  done;
}

function change_ip() {
  CURRENT_IP=`cat /etc/netctl/main_network | grep 'Address=' | cut -d "'" -f2 | cut -d/ -f1`
  sudo sed -i -e "s/$CURRENT_IP/$1/g" /etc/netctl/main_network
}
EOT

# Write the script to do the nvidia install
cat > ~/install_nvidia.sh << \EOT
#!/usr/bin/env bash
source ~/functions.sh
sudo pacman -Syu --noconfirm nvidia cuda
install_aur nvidia-docker
sudo systemctl enable nvidia-docker --now
# Trigger the volume with the drivers
nvidia-docker run --rm weriotoss/alpine
EOT

# Source
source ~/functions.sh

# Make the IP static
change_ip $IP
sudo hostnamectl set-hostname $HOSTNAME

# Make the IP static
sudo netctl restart main_network
sudo systemctl restart sshd

# install base tools
sudo pacman -Syu --noconfirm sudo base-devel htop git docker

# install docker
sudo usermod -a -G docker $USER
newgrp docker

#Install go 1.7
mkdir -p ~/packages/go
cd ~/packages/go
curl -L https://archive.archlinux.org/packages/g/go/go-2%3A1.7.5-1-x86_64.pkg.tar.xz -O
sudo pacman -U go-2%3A1.7.5-1-x86_64.pkg.tar.xz

# install kubernetes
install_aur kubernetes cni

sudo mkdir -p /etc/systemd/system/kubelet.service.d/
sudo bash -c "cat > /etc/systemd/system/kubelet.service.d/10-kubeadm.conf" << \EOT
[Service]
Environment="KUBELET_KUBECONFIG_ARGS=--kubeconfig=/etc/kubernetes/kubelet.conf --require-kubeconfig=true"
Environment="KUBELET_SYSTEM_PODS_ARGS=--pod-manifest-path=/etc/kubernetes/manifests --allow-privileged=true"
Environment="KUBELET_NETWORK_ARGS=--network-plugin=cni --cni-conf-dir=/etc/cni/net.d --cni-bin-dir=/opt/cni/bin"
Environment="KUBELET_DNS_ARGS=--cluster-dns=10.96.0.10 --cluster-domain=cluster.we-riot.local"
Environment="KUBELET_AUTHZ_ARGS=--authorization-mode=Webhook --client-ca-file=/etc/kubernetes/pki/ca.crt"
Environment="KUBELET_CGROUP_ARGS=--cgroup-driver=cgroupfs"
Environment="KUBELET_EXTRA_ARGS=--feature-gates=Accelerators=true"
ExecStart=
ExecStart=/usr/bin/kubelet $KUBELET_KUBECONFIG_ARGS $KUBELET_SYSTEM_PODS_ARGS $KUBELET_NETWORK_ARGS $KUBELET_DNS_ARGS $KUBELET_AUTHZ_ARGS $KUBELET_CGROUP_ARGS $KUBELET_EXTRA_ARGS
EOT

sudo systemctl enable docker
sudo systemctl enable kubelet
sudo kubeadm reset

if [ $NVIDIA ]; then
    sh ~/install_nvidia.sh
fi

if [ $ROLE = "master" ]; then
    (sleep 5; sudo systemctl start kubelet) &
    sudo kubeadm init

    mkdir -p $HOME/.kube
    sudo cp /etc/kubernetes/admin.conf $HOME/.kube/config
    sudo chown $(id -u):$(id -g) $HOME/.kube/config
fi

if [ $ROLE = "node" ]; then
    sudo kubeadm join --token=2cb382.c5bae9b829dbc8d8 192.168.70.3:6443
    sudo systemctl start kubelet
fi

if [ $INGRESS ]; then
    sed -E \
    's/(KUBELET_EXTRA_ARGS=.*)\"/\1 --register-with-taints=dedicated=ingress:NoSchedule\"/g' \
    /etc/systemd/system/kubelet.service.d/10-kubeadm.conf
fi