Update create_lxc.sh

add new error_handler
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tteckster 2023-02-03 11:41:12 -05:00 committed by GitHub
parent c0ab2d5e0a
commit ca7ee8519e
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@ -9,7 +9,15 @@ CM="${GN}✓${CL}"
CROSS="${RD}${CL}" CROSS="${RD}${CL}"
BFR="\\r\\033[K" BFR="\\r\\033[K"
HOLD="-" HOLD="-"
set -Eeuo pipefail
trap 'error_handler $LINENO "$BASH_COMMAND"' ERR
function error_handler() {
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"
}
function msg_info() { function msg_info() {
local msg="$1" local msg="$1"
echo -ne " ${HOLD} ${YW}${msg}..." echo -ne " ${HOLD} ${YW}${msg}..."
@ -36,23 +44,6 @@ if [ -z "$VALIDTMP" ]; then
exit 1 exit 1
fi fi
set -o errexit
set -o errtrace
set -o nounset
set -o pipefail
shopt -s expand_aliases
alias die='EXIT=$? 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 select_storage() { function select_storage() {
local CLASS=$1 local CLASS=$1
local CONTENT local CONTENT
@ -66,7 +57,7 @@ function select_storage() {
CONTENT='vztmpl' CONTENT='vztmpl'
CONTENT_LABEL='Container template' CONTENT_LABEL='Container template'
;; ;;
*) false || die "Invalid storage class." ;; *) false || exit "Invalid storage class." ;;
esac esac
local -a MENU local -a MENU
@ -90,21 +81,21 @@ function select_storage() {
STORAGE=$(whiptail --title "Storage Pools" --radiolist \ STORAGE=$(whiptail --title "Storage Pools" --radiolist \
"Which storage pool you would like to use for the ${CONTENT_LABEL,,}?\n\n" \ "Which storage pool you would like to use for the ${CONTENT_LABEL,,}?\n\n" \
16 $(($MSG_MAX_LENGTH + 23)) 6 \ 16 $(($MSG_MAX_LENGTH + 23)) 6 \
"${MENU[@]}" 3>&1 1>&2 2>&3) || die "Menu aborted." "${MENU[@]}" 3>&1 1>&2 2>&3) || exit "Menu aborted."
done done
printf $STORAGE printf $STORAGE
fi fi
} }
[[ "${CTID:-}" ]] || die "You need to set 'CTID' variable." [[ "${CTID:-}" ]] || exit "You need to set 'CTID' variable."
[[ "${PCT_OSTYPE:-}" ]] || die "You need to set 'PCT_OSTYPE' variable." [[ "${PCT_OSTYPE:-}" ]] || exit "You need to set 'PCT_OSTYPE' variable."
[ "$CTID" -ge "100" ] || die "ID cannot be less than 100." [ "$CTID" -ge "100" ] || exit "ID cannot be less than 100."
if pct status $CTID &>/dev/null; then if pct status $CTID &>/dev/null; then
echo -e "ID '$CTID' is already in use." echo -e "ID '$CTID' is already in use."
unset CTID unset CTID
die "Cannot use ID that is already in use." exit "Cannot use ID that is already in use."
fi fi
TEMPLATE_STORAGE=$(select_storage template) || exit TEMPLATE_STORAGE=$(select_storage template) || exit
@ -119,13 +110,13 @@ msg_ok "Updated LXC Template List"
TEMPLATE_SEARCH=${PCT_OSTYPE}-${PCT_OSVERSION:-} TEMPLATE_SEARCH=${PCT_OSTYPE}-${PCT_OSVERSION:-}
mapfile -t TEMPLATES < <(pveam available -section system | sed -n "s/.*\($TEMPLATE_SEARCH.*\)/\1/p" | sort -t - -k 2 -V) mapfile -t TEMPLATES < <(pveam available -section system | sed -n "s/.*\($TEMPLATE_SEARCH.*\)/\1/p" | sort -t - -k 2 -V)
[ ${#TEMPLATES[@]} -gt 0 ] || die "Unable to find a template when searching for '$TEMPLATE_SEARCH'." [ ${#TEMPLATES[@]} -gt 0 ] || exit "Unable to find a template when searching for '$TEMPLATE_SEARCH'."
TEMPLATE="${TEMPLATES[-1]}" TEMPLATE="${TEMPLATES[-1]}"
if ! pveam list $TEMPLATE_STORAGE | grep -q $TEMPLATE; then if ! pveam list $TEMPLATE_STORAGE | grep -q $TEMPLATE; then
msg_info "Downloading LXC Template" msg_info "Downloading LXC Template"
pveam download $TEMPLATE_STORAGE $TEMPLATE >/dev/null || pveam download $TEMPLATE_STORAGE $TEMPLATE >/dev/null ||
die "A problem occured while downloading the LXC template." exit "A problem occured while downloading the LXC template."
msg_ok "Downloaded LXC Template" msg_ok "Downloaded LXC Template"
fi fi
@ -137,5 +128,5 @@ PCT_OPTIONS=(${PCT_OPTIONS[@]:-${DEFAULT_PCT_OPTIONS[@]}})
msg_info "Creating LXC Container" msg_info "Creating LXC Container"
pct create $CTID ${TEMPLATE_STORAGE}:vztmpl/${TEMPLATE} ${PCT_OPTIONS[@]} >/dev/null || pct create $CTID ${TEMPLATE_STORAGE}:vztmpl/${TEMPLATE} ${PCT_OPTIONS[@]} >/dev/null ||
die "A problem occured while trying to create container." exit "A problem occured while trying to create container."
msg_ok "LXC Container ${BL}$CTID${CL} ${GN}was successfully created." msg_ok "LXC Container ${BL}$CTID${CL} ${GN}was successfully created."