mirror of
https://github.com/natelandau/shell-scripting-templates.git
synced 2025-11-11 06:23:47 -05:00
update _alerts_
- 'info' now uses gray text - remove 'verbose' and favor 'debug' - 'input' is now underlined
This commit is contained in:
Nathaniel Landau
@@ -2,7 +2,16 @@
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_mainScript_() {
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info "Hello world"
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# Replace everything in _mainScript_() with your script's code
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header "Showing alert colors"
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debug "This is debug text"
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info "This is info text"
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notice "This is notice text"
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dryrun "This is dryrun text"
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warning "This is warning text"
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error "This is error text"
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success "This is success text"
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input "This is input text"
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} # end _mainScript_
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@@ -28,138 +37,6 @@ _mainScript_() {
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# ################################## Common Functions for script template
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_alert_() {
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# DESC: Controls all printing of messages to log files and stdout.
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# ARGS: $1 (required) - The type of alert to print
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# (success, header, notice, dryrun, debug, warning, error,
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# fatal, info, input)
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# $2 (required) - The message to be printed to stdout and/or a log file
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# $3 (optional) - Pass '${LINENO}' to print the line number where the _alert_ was triggered
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# OUTS: None
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# USAGE: [ALERTTYPE] "[MESSAGE]" "${LINENO}"
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# NOTES: The colors of each alert type are set in this function
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# For specified alert types, the funcstac will be printed
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local function_name color
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local alertType="${1}"
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local message="${2}"
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local line="${3:-}" # Optional line number
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if [[ -n "${line}" && "${alertType}" =~ ^(fatal|error) && "${FUNCNAME[2]}" != "_trapCleanup_" ]]; then
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message="${message} (line: ${line}) $(_functionStack_)"
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elif [[ -n "${line}" && "${FUNCNAME[2]}" != "_trapCleanup_" ]]; then
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message="${message} (line: ${line})"
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elif [[ -z "${line}" && "${alertType}" =~ ^(fatal|error) && "${FUNCNAME[2]}" != "_trapCleanup_" ]]; then
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message="${message} $(_functionStack_)"
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fi
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if [[ "${alertType}" =~ ^(error|fatal) ]]; then
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color="${bold}${red}"
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elif [ "${alertType}" = "warning" ]; then
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color="${red}"
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elif [ "${alertType}" = "success" ]; then
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color="${green}"
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elif [ "${alertType}" = "debug" ]; then
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color="${purple}"
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elif [ "${alertType}" = "header" ]; then
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color="${bold}${tan}"
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elif [[ "${alertType}" =~ ^(input|notice) ]]; then
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color="${bold}"
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elif [ "${alertType}" = "dryrun" ]; then
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color="${blue}"
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else
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color=""
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fi
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_writeToScreen_() {
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("${QUIET}") && return 0 # Print to console when script is not 'quiet'
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[[ ${VERBOSE} == false && "${alertType}" =~ ^(debug|verbose) ]] && return 0
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if ! [[ -t 1 ]]; then # Don't use colors on non-recognized terminals
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color=""
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reset=""
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fi
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echo -e "$(date +"%r") ${color}$(printf "[%7s]" "${alertType}") ${message}${reset}"
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}
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_writeToScreen_
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_writeToLog_() {
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[[ "${alertType}" == "input" ]] && return 0
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[[ "${LOGLEVEL}" =~ (off|OFF|Off) ]] && return 0
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[ -z "${LOGFILE:-}" ] && LOGFILE="$(pwd)/$(basename "$0").log"
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[ ! -d "$(dirname "${LOGFILE}")" ] && command mkdir -p "$(dirname "${LOGFILE}")"
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[[ ! -f "${LOGFILE}" ]] && touch "${LOGFILE}"
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# Don't use colors in logs
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if command -v gsed &>/dev/null; then
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local cleanmessage="$(echo "${message}" | gsed -E 's/(\x1b)?\[(([0-9]{1,2})(;[0-9]{1,3}){0,2})?[mGK]//g')"
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else
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local cleanmessage="$(echo "${message}" | sed -E 's/(\x1b)?\[(([0-9]{1,2})(;[0-9]{1,3}){0,2})?[mGK]//g')"
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fi
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echo -e "$(date +"%b %d %R:%S") $(printf "[%7s]" "${alertType}") [$(/bin/hostname)] ${cleanmessage}" >>"${LOGFILE}"
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}
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# Write specified log level data to logfile
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case "${LOGLEVEL:-ERROR}" in
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ALL | all | All)
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_writeToLog_
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;;
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DEBUG | debug | Debug)
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_writeToLog_
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;;
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INFO | info | Info)
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if [[ "${alertType}" =~ ^(die|error|fatal|warning|info|notice|success) ]]; then
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_writeToLog_
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fi
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;;
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WARN | warn | Warn)
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if [[ "${alertType}" =~ ^(die|error|fatal|warning) ]]; then
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_writeToLog_
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fi
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;;
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ERROR | error | Error)
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if [[ "${alertType}" =~ ^(die|error|fatal) ]]; then
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_writeToLog_
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fi
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;;
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FATAL | fatal | Fatal)
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if [[ "${alertType}" =~ ^(die|fatal) ]]; then
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_writeToLog_
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fi
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;;
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OFF | off)
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return 0
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;;
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*)
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if [[ "${alertType}" =~ ^(die|error|fatal) ]]; then
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_writeToLog_
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fi
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;;
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esac
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} # /_alert_
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error() { _alert_ error "${1}" "${2:-}"; }
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warning() { _alert_ warning "${1}" "${2:-}"; }
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notice() { _alert_ notice "${1}" "${2:-}"; }
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info() { _alert_ info "${1}" "${2:-}"; }
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success() { _alert_ success "${1}" "${2:-}"; }
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dryrun() { _alert_ dryrun "${1}" "${2:-}"; }
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input() { _alert_ input "${1}" "${2:-}"; }
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header() { _alert_ header "== ${1} ==" "${2:-}"; }
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die() {
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_alert_ fatal "${1}" "${2:-}"
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_safeExit_ "1"
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}
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fatal() {
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_alert_ fatal "${1}" "${2:-}"
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_safeExit_ "1"
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}
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debug() { _alert_ debug "${1}" "${2:-}"; }
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verbose() { _alert_ debug "${1}" "${2:-}"; }
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_setColors_() {
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# DESC: Sets colors use for alerts.
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# ARGS: None
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@@ -180,7 +57,7 @@ _setColors_() {
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green=$(tput setaf 82)
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red=$(tput setaf 1)
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purple=$(tput setaf 171)
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gray=$(tput setaf 248)
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gray=$(tput setaf 250)
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else
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white=$(tput setaf 7)
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blue=$(tput setaf 38)
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@@ -207,6 +84,143 @@ _setColors_() {
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fi
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}
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_alert_() {
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# DESC: Controls all printing of messages to log files and stdout.
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# ARGS: $1 (required) - The type of alert to print
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# (success, header, notice, dryrun, debug, warning, error,
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# fatal, info, input)
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# $2 (required) - The message to be printed to stdout and/or a log file
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# $3 (optional) - Pass '${LINENO}' to print the line number where the _alert_ was triggered
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# OUTS: None
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# USAGE: [ALERTTYPE] "[MESSAGE]" "${LINENO}"
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# NOTES: The colors of each alert type are set in this function
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# For specified alert types, the funcstac will be printed
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local function_name color
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local alertType="${1}"
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local message="${2}"
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local line="${3:-}" # Optional line number
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if [[ -n ${line} && ${alertType} =~ ^(fatal|error) && ${FUNCNAME[2]} != "_trapCleanup_" ]]; then
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message="${message} (line: ${line}) $(_functionStack_)"
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elif [[ -n ${line} && ${FUNCNAME[2]} != "_trapCleanup_" ]]; then
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message="${message} (line: ${line})"
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elif [[ -z ${line} && ${alertType} =~ ^(fatal|error) && ${FUNCNAME[2]} != "_trapCleanup_" ]]; then
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message="${message} $(_functionStack_)"
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fi
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if [[ ${alertType} =~ ^(error|fatal) ]]; then
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color="${bold}${red}"
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elif [ "${alertType}" == "info" ]; then
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color="${gray}"
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elif [ "${alertType}" == "warning" ]; then
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color="${red}"
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elif [ "${alertType}" == "success" ]; then
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color="${green}"
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elif [ "${alertType}" == "debug" ]; then
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color="${purple}"
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elif [ "${alertType}" == "header" ]; then
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color="${bold}${tan}"
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elif [ ${alertType} == "notice" ]; then
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color="${bold}"
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elif [ ${alertType} == "input" ]; then
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color="${bold}${underline}"
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elif [ "${alertType}" = "dryrun" ]; then
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color="${blue}"
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else
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color=""
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fi
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_writeToScreen_() {
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("${QUIET}") && return 0 # Print to console when script is not 'quiet'
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[[ ${VERBOSE} == false && ${alertType} =~ ^(debug|verbose) ]] && return 0
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if ! [[ -t 1 ]]; then # Don't use colors on non-recognized terminals
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color=""
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reset=""
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fi
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echo -e "$(date +"%r") ${color}$(printf "[%7s]" "${alertType}") ${message}${reset}"
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}
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_writeToScreen_
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_writeToLog_() {
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[[ ${alertType} == "input" ]] && return 0
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[[ ${LOGLEVEL} =~ (off|OFF|Off) ]] && return 0
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if [ -z "${LOGFILE:-}" ]; then
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LOGFILE="$(pwd)/$(basename "$0").log"
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fi
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[ ! -d "$(dirname "${LOGFILE}")" ] && mkdir -p "$(dirname "${LOGFILE}")"
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[[ ! -f ${LOGFILE} ]] && touch "${LOGFILE}"
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# Don't use colors in logs
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if command -v gsed &>/dev/null; then
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local cleanmessage="$(echo "${message}" | gsed -E 's/(\x1b)?\[(([0-9]{1,2})(;[0-9]{1,3}){0,2})?[mGK]//g')"
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else
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local cleanmessage="$(echo "${message}" | sed -E 's/(\x1b)?\[(([0-9]{1,2})(;[0-9]{1,3}){0,2})?[mGK]//g')"
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fi
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echo -e "$(date +"%b %d %R:%S") $(printf "[%7s]" "${alertType}") [$(/bin/hostname)] ${cleanmessage}" >>"${LOGFILE}"
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}
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# Write specified log level data to logfile
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case "${LOGLEVEL:-ERROR}" in
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ALL | all | All)
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_writeToLog_
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;;
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DEBUG | debug | Debug)
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_writeToLog_
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;;
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INFO | info | Info)
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if [[ ${alertType} =~ ^(die|error|fatal|warning|info|notice|success) ]]; then
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_writeToLog_
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fi
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;;
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WARN | warn | Warn)
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if [[ ${alertType} =~ ^(die|error|fatal|warning) ]]; then
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_writeToLog_
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fi
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;;
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ERROR | error | Error)
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if [[ ${alertType} =~ ^(die|error|fatal) ]]; then
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_writeToLog_
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fi
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;;
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FATAL | fatal | Fatal)
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if [[ ${alertType} =~ ^(die|fatal) ]]; then
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_writeToLog_
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fi
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;;
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OFF | off)
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return 0
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;;
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*)
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if [[ ${alertType} =~ ^(die|error|fatal) ]]; then
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_writeToLog_
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fi
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;;
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esac
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} # /_alert_
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error() { _alert_ error "${1}" "${2:-}"; }
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warning() { _alert_ warning "${1}" "${2:-}"; }
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notice() { _alert_ notice "${1}" "${2:-}"; }
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info() { _alert_ info "${1}" "${2:-}"; }
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success() { _alert_ success "${1}" "${2:-}"; }
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dryrun() { _alert_ dryrun "${1}" "${2:-}"; }
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input() { _alert_ input "${1}" "${2:-}"; }
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header() { _alert_ header "== ${1} ==" "${2:-}"; }
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debug() { _alert_ debug "${1}" "${2:-}"; }
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die() {
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_alert_ fatal "${1}" "${2:-}"
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_safeExit_ "1"
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}
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fatal() {
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_alert_ fatal "${1}" "${2:-}"
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_safeExit_ "1"
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}
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_safeExit_() {
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# DESC: Cleanup and exit from a script
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# ARGS: $1 (optional) - Exit code (defaults to 0)
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