260 lines
8.2 KiB
Bash
Executable File
260 lines
8.2 KiB
Bash
Executable File
#!/bin/bash
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### Text formatting presets
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normal="\e[0m"
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bold="\e[1m"
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default="\e[39m"
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red="\e[31m"
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green="\e[32m"
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yellow="\e[33m"
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magenta="\e[35m"
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cyan="\e[36m"
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stamp="[`date +%Y-%m-%d` `date +%H:%M:%S`]"
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### Functions ###
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### scriptHelp -- display usage information for this script
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function scriptHelp {
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echo "In the future, I will be something helpful!"
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# exit with code 1 -- there is no use logging this
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exit 1
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}
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### quit -- exit the script after logging any errors, warnings, etc. and
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### cleaning up as necessary
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function quit {
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if [ -z "$1" ]; then
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# exit cleanly
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echo -e "${bold}${green}${stamp} -- [SUCCESS] Script completed" \
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"--$normal" >> "$logFile"
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exit 0
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else
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# log error code and exit with said code
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echo -e "${bold}${red}${stamp} -- [ERROR] Script exited with code $1" \
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" --$normal" >> "$logFile"
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echo -e "${red}${errorExplain[$1]}$normal" >> "$logFile"
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exit "$1"
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fi
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}
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function checkExist {
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if [ "$1" = "ff" ]; then
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# find file
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if [ -e "$2" ]; then
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# found
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echo -e "${normal}${stamp} File found:" \
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"${bold}${yellow}${2}${normal}" >> "$logFileVerbose"
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return 0
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else
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# not found
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echo -e "${red}${stamp} File NOT found:"\
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"${bold}${yellow}${2}${normal}" >> "$logFileVerbose"
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return 1
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fi
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elif [ "$1" = "fd" ]; then
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# find directory
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if [ -d "$2" ]; then
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# found
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echo -e "${normal}${stamp} Dir found:" \
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"${bold}${yellow}${2}${normal}" >> "$logFileVerbose"
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return 0
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else
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# not found
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echo -e "${red}${stamp} Dir NOT found:" \
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"${bold}${yellow}${2}${normal}" >> "$logFileVerbose"
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return 1
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fi
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fi
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}
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### End of Functions ###
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### Default parameters
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# store the logfile in the same directory as this script using the script's name
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# with the extension .log
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scriptPath="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
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scriptName="$( basename ${0} )"
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logFile="$scriptPath/${scriptName%.*}.log"
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# set script parameters to null and initialize array variables
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unset PARAMS
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unset logLevel
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unset logFileNormal
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unset logFileVerbose
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unset borgCreateParams
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unset borgPruneParams
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unset sqlDumpDir
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unset 503Location
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unset webroot
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errorExplain=()
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exitWarn=()
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warningExplain=()
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### Error codes
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errorExplain[2]="This script MUST be run as ROOT."
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### Warning codes & messages
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warningExplain[5031]="No path to a 503 error page file was specified (-5 parameter missing)"
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warningExplain[5032]="The specified 503 error page could not be found"
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warningExplain[5033]="No webroot path was specified (-w parameter missing)"
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warningExplain[5034]="The specified webroot could not be found"
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warningExplain[5035]="Error copying 503 error page to webroot"
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warn503="${bold}${yellow}Web users will NOT be informed the server is down!${normal}"
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### Process script parameters
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# if no parameters provided, then show the help page and exit with error
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if [ -z $1 ]; then
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# show script help page
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scriptHelp
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fi
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# use GetOpts to process parameters
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while getopts ':l:nv5:w:' PARAMS; do
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case "$PARAMS" in
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l)
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# use provided location for logFile
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logFile="${OPTARG}"
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;;
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n)
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# standard logging (script errors, Borg summary)
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logLevel="normal"
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;;
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v)
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# verbose logging (script errors, Borg details)
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logLevel="verbose"
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;;
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5)
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# 503 error page location
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503Location="${OPTARG}"
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;;
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w)
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# path to webroot for NextCloud installation
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webroot="${OPTARG}"
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;;
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?)
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# unrecognized parameters trigger scriptHelp
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scriptHelp
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;;
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esac
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done
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### Verify script running as root, otherwise exit
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if [ $(id -u) -ne 0 ]; then
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quit 2
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fi
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### Set logging verbosity based on invocation parameters
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if [ "$logLevel" = "normal" ]; then
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borgCreateParams='--stats'
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borgPruneParams="--list"
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logFileVerbose="/dev/null"
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logFileNormal="$logFile"
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elif [ "$logLevel" = "verbose" ]; then
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borgCreateParams='--list --stats'
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borgPruneParams='--list'
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logFileVerbose="$logFile"
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logFileNormal="/dev/null"
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fi
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### Log start of script operations
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echo -e "${bold}${stamp}-- Start $scriptName execution ---" >> "$logFile"
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### Export logFile variable for use by Borg
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export logFile="$logFile"
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### Create sqlDump temporary directory and sqlDumpFile name
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sqlDumpDir=$( mktemp -d )
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echo -e "${cyan}${stamp} Created temp dir for SQLdump: $sqlDumpDir" \
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>> "$logFileVerbose"
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sqlDumpFile="backup-`date +%Y%m%d_%H%M%S`.sql"
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echo -e "${normal}${stamp} mySQL dump file will be stored at:" \
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"${bold}${yellow}${sqlDumpDir}/${sqlDumpFile}${normal}" \
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| tee -a "$logFileNormal" "$logFileVerbose" > /dev/null
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### 503 error page
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# Verify 503 existance
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if [ -z "$503Location" ]; then
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# no 503 file has been provided
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echo -e "${bold}${yellow}${stamp} -- [WARNING] No 503 error page file" \
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"specified --${normal}" >> "$logFile"
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echo -e "${bold}${yellow} Web users will NOT be informed the server" \
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"is down.${normal}" | tee -a "$logFileNormal" "$logFileVerbose" \
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> /dev/null
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exitWarn+=('5031')
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else
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checkExist "$503Location"
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checkResult="$?"
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if [ "$checkResult" = "1" ]; then
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# 503 file specified could not be found
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echo -e "${bold}${yellow}${stamp} -- [WARNING] 503 error page file" \
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"specified could not be found --${normal}" >> "$logFile"
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echo -e "${bold}${yellow} Web users will NOT be informed the server" \
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"is down.${normal}" | tee -a "$logFileNormal" "$logFileVerbose" \
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> /dev/null
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exitWarn+=('5032')
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else
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# 503 file found, copy it to the webroot after verifying it exists
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if [ -z "$webroot" ]; then
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# no webroot path provided
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echo -e "${bold}${yellow}${stamp} -- [WARNING] No webroot path" \
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"specified --${normal}" >> "$logFile"
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echo -e "${bold}${yellow} Web users will NOT be informed the" \
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"server is down.${normal}" | tee -a "$logFileNormal" \
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"$logFileVerbose" > /dev/null
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exitWarn+=('5033')
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else
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checkExist "$webroot"
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checkResult="$?"
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if [ "$checkResult" = "1" ]; then
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# webroot directory specified could not be found
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echo -e "${bold}${yellow}${stamp} -- [WARNING] webroot path" \
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"specified could not be found --${normal}" >> "$logFile"
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echo -e "${bold}${yellow} Web users will NOT be informed the" \
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"server is down.${normal}" | tee -a "$logFileNormal" \
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"$logFileVerbose" > /dev/null
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exitWarn+=('5034')
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else
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# webroot exists and 503 exists, copy 503 to webroot
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echo -e "${bold}${cyan}${stamp} Copying 503 error page to" \
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"webroot..." >> "$logFileVerbose"
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cp "$503Location" "$webroot/" 2>&1 >> "$logFileVerbose"
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copyResult=$( echo "$?" )
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# verify copy was successful
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if [ "$copyResult" = "1" ]; then
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echo -e "${bold}${yellow}${stamp} -- [WARNING]" \
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"Error copying 503 error page file to webroot" \
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"--${normal}" >> "$logFile"
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echo -e "${bold}${yellow} Web users will NOT be" \
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"informed the server is down.${normal}" | tee -a \
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"$logFileNormal" "$logFileVerbose" > /dev/null
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exitWarn+=('5035')
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else
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# copy was successful
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echo -e "${bold}${cyan}${stamp} ...done" \
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>> "$logFileVerbose"
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fi
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fi
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fi
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fi
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fi
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# This code should not be executed since the 'quit' function should terminate
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# this script. Therefore, exit with code 99 if we get to this point.
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exit 99
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