diff --git a/setup/k0s-install.sh b/setup/k0s-install.sh new file mode 100644 index 00000000..1ed9806f --- /dev/null +++ b/setup/k0s-install.sh @@ -0,0 +1,133 @@ +#!/usr/bin/env bash +if [ "$VERBOSE" == "yes" ]; then set -x; fi +YW=$(echo "\033[33m") +RD=$(echo "\033[01;31m") +BL=$(echo "\033[36m") +GN=$(echo "\033[1;92m") +CL=$(echo "\033[m") +RETRY_NUM=10 +RETRY_EVERY=3 +NUM=$RETRY_NUM +CM="${GN}✓${CL}" +CROSS="${RD}✗${CL}" +BFR="\\r\\033[K" +HOLD="-" +set -o errexit +set -o errtrace +set -o nounset +set -o pipefail +shopt -s expand_aliases +alias die='EXIT=$? LINE=$LINENO error_exit' +trap die ERR + +function error_exit() { + trap - ERR + local reason="Unknown failure occurred." + local msg="${1:-$reason}" + local flag="${RD}‼ ERROR ${CL}$EXIT@$LINE" + echo -e "$flag $msg" 1>&2 + exit $EXIT +} + +function msg_info() { + local msg="$1" + echo -ne " ${HOLD} ${YW}${msg}..." +} + +function msg_ok() { + local msg="$1" + echo -e "${BFR} ${CM} ${GN}${msg}${CL}" +} +function msg_error() { + local msg="$1" + echo -e "${BFR} ${CROSS} ${RD}${msg}${CL}" +} + +msg_info "Setting up Container OS" +sed -i "/$LANG/ s/\(^# \)//" /etc/locale.gen +locale-gen >/dev/null +while [ "$(hostname -I)" = "" ]; do + echo 1>&2 -en "${CROSS}${RD} No Network! " + sleep $RETRY_EVERY + ((NUM--)) + if [ $NUM -eq 0 ]; then + echo 1>&2 -e "${CROSS}${RD} No Network After $RETRY_NUM Tries${CL}" + exit 1 + fi +done +msg_ok "Set up Container OS" +msg_ok "Network Connected: ${BL}$(hostname -I)" + +set +e +alias die='' +if nc -zw1 8.8.8.8 443; then msg_ok "Internet Connected"; else + msg_error "Internet NOT Connected" + read -r -p "Would you like to continue anyway? " prompt + if [[ $prompt == "y" || $prompt == "Y" || $prompt == "yes" || $prompt == "Yes" ]]; then + echo -e " ⚠️ ${RD}Expect Issues Without Internet${CL}" + else + echo -e " 🖧 Check Network Settings" + exit 1 + fi +fi +RESOLVEDIP=$(nslookup "github.com" | awk -F':' '/^Address: / { matched = 1 } matched { print $2}' | xargs) +if [[ -z "$RESOLVEDIP" ]]; then msg_error "DNS Lookup Failure"; else msg_ok "DNS Resolved github.com to $RESOLVEDIP"; fi +alias die='EXIT=$? LINE=$LINENO error_exit' +set -e + +msg_info "Updating Container OS" +apt-get update &>/dev/null +apt-get -y upgrade &>/dev/null +msg_ok "Updated Container OS" + +msg_info "Installing Dependencies" +apt-get install -y curl &>/dev/null +apt-get install -y sudo &>/dev/null +apt-get install -y git &>/dev/null +msg_ok "Installed Dependencies" + +msg_info "Installing k0s Kubernetes" +sh <(curl -sSLf https://get.k0s.sh) &>/dev/null +k0s install controller --single &>/dev/null +k0s start &>/dev/null +mkdir -p /etc/k0s +k0s config create > /etc/k0s/k0s.yaml +msg_ok "Installed k0s Kubernetes" + +read -r -p "Would you like to add Helm Package Manager? " prompt +if [[ $prompt == "y" || $prompt == "Y" || $prompt == "yes" || $prompt == "Yes" ]]; then + HELM="Y" +else + HELM="N" +fi + +if [[ $HELM == "Y" ]]; then +msg_info "Installing Helm" +curl -sSL https://raw.githubusercontent.com/helm/helm/main/scripts/get-helm-3 | bash &>/dev/null +msg_ok "Installed Helm" +fi +PASS=$(grep -w "root" /etc/shadow | cut -b6) +if [[ $PASS != $ ]]; then + msg_info "Customizing Container" + chmod -x /etc/update-motd.d/* + touch ~/.hushlogin + GETTY_OVERRIDE="/etc/systemd/system/container-getty@1.service.d/override.conf" + mkdir -p $(dirname $GETTY_OVERRIDE) + cat <$GETTY_OVERRIDE +[Service] +ExecStart= +ExecStart=-/sbin/agetty --autologin root --noclear --keep-baud tty%I 115200,38400,9600 \$TERM +EOF + systemctl daemon-reload + systemctl restart $(basename $(dirname $GETTY_OVERRIDE) | sed 's/\.d//') + msg_ok "Customized Container" +fi +if [[ "${SSH_ROOT}" == "yes" ]]; then + sed -i "s/#PermitRootLogin prohibit-password/PermitRootLogin yes/g" /etc/ssh/sshd_config + systemctl restart sshd +fi + +msg_info "Cleaning up" +apt-get autoremove >/dev/null +apt-get autoclean >/dev/null +msg_ok "Cleaned"