install_microk8s.sh

#!/usr/bin/env bash
set -o errexit
set -o nounset
set -o pipefail


packageUpdate() {

    echo "update apt cache"
    apt update >> /dev/null
}

installSnap() {

    echo "install snapd"
    apt install -y snapd
    snap install microk8s --classic
    snap install kubectl --classic
    snap install terraform --classic

}

preparation() {

    iptables -P FORWARD ACCEPT
    mkdir -p /usr/share/elasticsearch/data
    mkdir -p /usr/share/elasticsearch/data/nodes
    chown 1000:2000 /usr/share/elasticsearch/data
    chown 1000:2000 /usr/share/elasticsearch/data/nodes

}

installMicrok8s() {

    microk8s status --wait-ready >> /dev/null
    microk8s enable dns
    microk8s enable ingress
    microk8s enable hostpath-storage
}

postTasks() {

 microk8s config > kubeconfig
 microk8s stop && microk8s start
 echo "microk8s installed and configured"
 echo "export KUBECONFIG=kubeconfig" >> .bashrc
 source .bashrc
}

cd "$(dirname "$0")"

main() {

    packageUpdate
    installSnap
    preparation
    installMicrok8s
    postTasks
}

main "$@"