ProxmoxVE-HelperScripts/misc/alpine-install.func

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color() {
YW=$(echo "\033[33m")
BL=$(echo "\033[36m")
RD=$(echo "\033[01;31m")
BGN=$(echo "\033[4;92m")
GN=$(echo "\033[1;92m")
DGN=$(echo "\033[32m")
CL=$(echo "\033[m")
RETRY_NUM=10
RETRY_EVERY=3
i=$RETRY_NUM
CM="${GN}✓${CL}"
CROSS="${RD}✗${CL}"
BFR="\\r\\033[K"
HOLD="-"
}
verb_ip6() {
if [ "$VERBOSE" = "yes" ]; then
set -x
STD=""
else STD="silent"; fi
silent() { "$@" >/dev/null 2>&1; }
if [ "$DISABLEIPV6" == "yes" ]; then
$STD sysctl -w net.ipv6.conf.all.disable_ipv6=1
echo "net.ipv6.conf.all.disable_ipv6 = 1" >>/etc/sysctl.conf
$STD rc-update add sysctl default
fi
}
catch_errors() {
set -Eeuo pipefail
trap 'error_handler $LINENO "$BASH_COMMAND"' ERR
}
error_handler() {
if [ -n "$SPINNER_PID" ] && ps -p $SPINNER_PID > /dev/null; then kill $SPINNER_PID; fi
printf "\033[?25h"
local exit_code="$?"
local line_number="$1"
local command="$2"
local error_message="${RD}[ERROR]${CL} in line ${RD}$line_number${CL}: exit code ${RD}$exit_code${CL}: while executing command ${YW}$command${CL}"
echo -e "\n$error_message\n"
}
# This function displays a spinner.
spinner() {
printf "\033[?25l"
spinner="/-\\|/-\\|"
spin_i=0
while true; do
printf "\b%s" "${spinner:spin_i++%${#spinner}:1}"
sleep 0.1
done
}
# This function displays an informational message with a yellow color.
msg_info() {
local msg="$1"
echo -ne " ${HOLD} ${YW}${msg} "
spinner &
SPINNER_PID=$!
}
# This function displays a success message with a green color.
msg_ok() {
if [ -n "$SPINNER_PID" ] && ps -p $SPINNER_PID > /dev/null; then kill $SPINNER_PID; fi
printf "\033[?25h"
local msg="$1"
echo -e "${BFR} ${CM} ${GN}${msg}${CL}"
}
# This function displays a error message with a red color.
msg_error() {
if [ -n "$SPINNER_PID" ] && ps -p $SPINNER_PID > /dev/null; then kill $SPINNER_PID; fi
printf "\033[?25h"
local msg="$1"
echo -e "${BFR} ${CROSS} ${RD}${msg}${CL}"
}
setting_up_container() {
msg_info "Setting up Container OS"
while [ $i -gt 0 ]; do
if [ "$(ip addr show | grep 'inet ' | grep -v '127.0.0.1' | awk '{print $2}' | cut -d'/' -f1)" != "" ]; then
break
fi
echo 1>&2 -en "${CROSS}${RD} No Network! "
sleep $RETRY_EVERY
i=$((i - 1))
done
if [ "$(ip addr show | grep 'inet ' | grep -v '127.0.0.1' | awk '{print $2}' | cut -d'/' -f1)" = "" ]; then
echo 1>&2 -e "\n${CROSS}${RD} No Network After $RETRY_NUM Tries${CL}"
echo -e " 🖧 Check Network Settings"
exit 1
fi
cat <<EOF >/etc/apk/repositories
https://dl-cdn.alpinelinux.org/alpine/latest-stable/main
https://dl-cdn.alpinelinux.org/alpine/latest-stable/community
EOF
msg_ok "Set up Container OS"
msg_ok "Network Connected: ${BL}$(ip addr show | grep 'inet ' | awk '{print $2}' | cut -d'/' -f1 | tail -n1)${CL}"
}
network_check() {
set +e
trap - ERR
if ping -c 1 -W 1 1.1.1.1 &>/dev/null; then msg_ok "Internet Connected"; else
msg_error "Internet NOT Connected"
read -r -p "Would you like to continue anyway? <y/N> " prompt
if [[ "${prompt,,}" =~ ^(y|yes)$ ]]; then
echo -e " ⚠️ ${RD}Expect Issues Without Internet${CL}"
else
echo -e " 🖧 Check Network Settings"
exit 1
fi
fi
RESOLVEDIP=$(getent hosts github.com | awk '{ print $1 }')
if [[ -z "$RESOLVEDIP" ]]; then msg_error "DNS Lookup Failure"; else msg_ok "DNS Resolved github.com to ${BL}$RESOLVEDIP${CL}"; fi
set -e
trap 'error_handler $LINENO "$BASH_COMMAND"' ERR
}
update_os() {
msg_info "Updating Container OS"
$STD apk update
$STD apk upgrade
msg_ok "Updated Container OS"
}
motd_ssh() {
echo "export TERM='xterm-256color'" >>/root/.bashrc
echo -e "$APPLICATION LXC provided by https://tteck.github.io/Proxmox/\n" >/etc/motd
if [[ "${SSH_ROOT}" == "yes" ]]; then
$STD rc-update add sshd
sed -i "s/#PermitRootLogin prohibit-password/PermitRootLogin yes/g" /etc/ssh/sshd_config
$STD /etc/init.d/sshd start
fi
}
customize() {
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if [[ "$PASSWORD" == "" ]]; then
msg_info "Customizing Container"
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bash -c "passwd -d root" >/dev/null 2>&1
msg_ok "Customized Container"
fi
}