146 lines
5.0 KiB
Bash
146 lines
5.0 KiB
Bash
#!/bin/bash
|
|
# SPDX-Version: 3.0
|
|
# SPDX-CreationInfo: 2025-06-17; WEIDNER, Marc S.; <msw@coresecret.dev>
|
|
# SPDX-ExternalRef: GIT https://git.coresecret.dev/msw/CISS.debian.installer.git
|
|
# SPDX-FileContributor: WEIDNER, Marc S.; Centurion Intelligence Consulting Agency
|
|
# SPDX-FileCopyrightText: 2024-2025; WEIDNER, Marc S.; <msw@coresecret.dev>
|
|
# SPDX-FileType: SOURCE
|
|
# SPDX-License-Identifier: EUPL-1.2 OR LicenseRef-CCLA-1.0
|
|
# SPDX-LicenseComment: This file is part of the CISS.debian.installer.secure framework.
|
|
# SPDX-PackageName: CISS.debian.installer
|
|
# SPDX-Security-Contact: security@coresecret.eu
|
|
|
|
guard_sourcing
|
|
|
|
#######################################
|
|
# Log level values for comparison.
|
|
# Arguments:
|
|
# 1: LOG_LEVEL: "debug" | "info" | "notice" | "warn" | "error" | "critical" | "fatal" | "emergency"
|
|
#######################################
|
|
log_level_value() {
|
|
case "${1,,}" in
|
|
debug) printf '%d' 7 ;;
|
|
info) printf '%d' 6 ;;
|
|
notice) printf '%d' 5 ;;
|
|
warn) printf '%d' 4 ;;
|
|
error) printf '%d' 3 ;;
|
|
critical) printf '%d' 2 ;;
|
|
fatal) printf '%d' 1 ;;
|
|
emergency) printf '%d' 0 ;;
|
|
esac
|
|
}
|
|
|
|
#######################################
|
|
# Filter and compare log levels.
|
|
# Globals:
|
|
# VAR_DEFAULT_LOG_LEVEL
|
|
# Arguments:
|
|
# 1: LOG_LEVEL: "debug" | "info" | "notice" | "warn" | "error" | "critical" | "fatal" | "emergency"
|
|
#######################################
|
|
do_should_log() {
|
|
# shellcheck disable=SC2155
|
|
declare -i var_desired_log_value=$(log_level_value "$1") # Desired log level
|
|
# shellcheck disable=SC2155
|
|
declare -i var_default_log_value=$(log_level_value "${VAR_DEFAULT_LOG_LEVEL}") # Current threshold
|
|
### Return true if a message should be logged.
|
|
[[ ${var_desired_log_value} -le ${var_default_log_value} ]]
|
|
}
|
|
|
|
#######################################
|
|
# Log level color retriever.
|
|
# Globals:
|
|
# BLU
|
|
# GRE
|
|
# MAG
|
|
# RED
|
|
# WHI
|
|
# YEL
|
|
# Arguments:
|
|
# 1: LOG_LEVEL: "debug" | "info" | "notice" | "warn" | "error" | "critical" | "fatal" | "emergency"
|
|
#######################################
|
|
do_get_log_color() {
|
|
case "${1,,}" in
|
|
debug) echo "${WHI}" ;;
|
|
info) echo "${GRE}" ;;
|
|
notice) echo "${YEL}" ;;
|
|
warn | error | critical) echo "${RED}" ;;
|
|
fatal | emergency) echo "${MAG}" ;;
|
|
*) echo "${BLU}" ;;
|
|
esac
|
|
}
|
|
|
|
#######################################
|
|
# Main logger wrapper.
|
|
# Globals:
|
|
# LOG_ERR
|
|
# LOG_INS
|
|
# Arguments:
|
|
# 1: LOG_LEVEL: "debug" | "info" | "notice" | "warn" | "error" | "critical" | "fatal" | "emergency"
|
|
# 2: LOG_ONLY: "file_only" | "tty"
|
|
# *: Arbitrary text string to log.
|
|
#######################################
|
|
do_log() {
|
|
### Reading arguments.
|
|
declare var_log_level="$1"; shift
|
|
declare var_log_only="$1"; shift
|
|
declare var_msg_string="${*}"
|
|
|
|
### Declare variables.
|
|
declare log_uniform=""
|
|
declare var_color; var_color=$(do_get_log_color "${var_log_level}")
|
|
declare var_ts; var_ts="$(date -u '+%Y-%m-%dT%H:%M:%S.%4N%z')"
|
|
|
|
case "${var_log_level,,}" in
|
|
debug) log_uniform="[DEBUG] ";;
|
|
info) log_uniform="[INFO] ";;
|
|
notice) log_uniform="[NOTICE] ";;
|
|
warn) log_uniform="[WARNING] ";;
|
|
error) log_uniform="[ERROR] ";;
|
|
critical) log_uniform="[CRITICAL] ";;
|
|
fatal) log_uniform="[FATAL] ";;
|
|
emergency) log_uniform="[EMERGENCY]";;
|
|
esac
|
|
|
|
declare var_log_entry=("${var_ts} ${log_uniform}: ${var_msg_string}")
|
|
|
|
if do_should_log "${var_log_level}"; then
|
|
if [[ "${var_log_only,,}" == "file_only" ]]; then
|
|
case "${var_log_level,,}" in
|
|
debug | info | notice) do_print_log "${var_log_entry[*]}" >> "${LOG_INS}" ;;
|
|
warn | error | critical | fatal | emergency ) do_print_log "${var_log_entry[*]}" >> "${LOG_ERR}" ;;
|
|
esac
|
|
elif [[ "${var_log_only,,}" == "tty" ]]; then
|
|
case "${var_log_level,,}" in
|
|
debug | info | notice)
|
|
if [[ ${#var_msg_string} -le 76 ]]; then
|
|
do_print_color "${var_color}" "${var_log_entry[*]}"
|
|
do_print_log "${var_log_entry[*]}" >> "${LOG_INS}"
|
|
else
|
|
do_print_fold "${var_color}" "${var_log_entry[*]}"
|
|
do_print_log "${var_log_entry[*]}" >> "${LOG_INS}"
|
|
fi
|
|
;;
|
|
warn | error | critical | fatal | emergency)
|
|
if [[ ${#var_msg_string} -le 76 ]]; then
|
|
do_print_color "${var_color}" "${var_log_entry[*]}"
|
|
do_print_log "${var_log_entry[*]}" >> "${LOG_ERR}"
|
|
else
|
|
do_print_fold "${var_color}" "${var_log_entry[*]}"
|
|
do_print_log "${var_log_entry[*]}" >> "${LOG_ERR}"
|
|
fi
|
|
;;
|
|
*)
|
|
if [[ ${#var_msg_string} -le 76 ]]; then
|
|
do_print_color "${var_color}" "${var_log_entry[*]}"
|
|
do_print_log "${var_log_entry[*]}" >> "${LOG_INS}"
|
|
else
|
|
do_print_fold "${var_color}" "${var_log_entry[*]}"
|
|
do_print_log "${var_log_entry[*]}" >> "${LOG_INS}"
|
|
fi
|
|
;;
|
|
esac
|
|
fi
|
|
fi
|
|
}
|
|
# vim: number et ts=2 sw=2 sts=2 ai tw=128 ft=sh
|