304 lines
8.8 KiB
Bash
Executable File
304 lines
8.8 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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err="\e[1;31m"
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warn="\e[1;93m"
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ok="\e[32m"
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lit="\e[93m"
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op="\e[39m"
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info="\e[96m"
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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.
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function quit {
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# list generated warnings, if any
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if [ ${#exitWarn[@]} -gt 0 ]; then
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echo -e "${warn}${scriptName} generated the following warnings:" \
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"${normal}" >> "$logFile"
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for warnCode in "${exitWarn[@]}"; do
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echo -e "${warn}-- [WARNING] ${warningExplain[$warnCode]}" \
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"(code: ${warnCode}) --${normal}" >> "$logFile"
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done
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fi
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if [ -z "$1" ]; then
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# exit cleanly
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echo -e "\e[1;35m${stamp} -- ${scriptName} completed" \
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"--${normal}" >> "$logFile"
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exit 0
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else
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# log error code and exit with said code
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echo -e "${err}${stamp} -- [ERROR] ${errorExplain[$1]}" \
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"(code: $1) --$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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return 0
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else
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# not found
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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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return 0
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else
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# not found
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return 1
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fi
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fi
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}
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### ncMaint - perform NextCloud maintenance mode entry and exit
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function ncMaint {
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if [ "$1" = "on" ]; then
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echo -e "${info}${stamp} -- [INFO] Putting NextCloud in maintenance" \
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"mode --${normal}" >> "$logFile"
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su -c "php ${ncRoot}/occ maintenance:mode --on" - ${webUser} \
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>> "$logFile" 2>&1
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maintResult="$?"
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return "$maintResult"
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elif [ "$1" = "off" ]; then
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echo -e "${info}${stamp} -- [INFO] Exiting NextCloud maintenance" \
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"mode --${normal}" >> "$logFile"
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su -c "php ${ncRoot}/occ maintenance:mode --off" - ${webUser} \
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>> "$logFile" 2>&1
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maintResult="$?"
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return "$maintResult"
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fi
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}
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### cleanup - cleanup files and directories created by this script
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function cleanup {
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## remove SQL dump file and directory
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rm -rf "$sqlDumpDir" >> "$logFile" 2>&1
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# verify directory is gone
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checkExist fd "$sqlDumpDir"
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checkResult="$?"
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if [ "$checkResult" = "0" ]; then
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# directory still exists
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exitWarn+=('111')
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else
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# directory removed
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echo -e "${op}${stamp} Removed SQL temp directory${normal}" \
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>> "$logFile"
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fi
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## remove 503 error page
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# check if 503 page was specified to begin with
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if [ -n "$err503File" ]; then
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# proceed with cleanup
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rm -f "$webroot/$err503File" >> "$logFile" 2>&1
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# verify file is actually gone
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checkExist ff "$webroot/$err503File"
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checkResult="$?"
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if [ "$checkResult" = "0" ]; then
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# file still exists
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exitWarn+=('5030')
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else
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# file removed
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echo -e "${op}${stamp} Removed 503 error page" \
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"from webroot${normal}" >> "$logFile"
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fi
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fi
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}
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### End of Functions ###
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### Default parameters
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# store the logfile in the same directory as this script using the script's name
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# with the extension .log
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scriptPath="$( 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 borg parameters to 'normal' verbosity
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borgCreateParams='--stats'
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borgPruneParams='--list'
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### Set script parameters to null and initialize array variables
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unset PARAMS
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unset sqlDumpDir
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unset err503File
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unset webroot
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unset ncRoot
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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[100]="Could not put NextCloud into Maintenance mode."
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### Warning codes & messages
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warningExplain[111]="Could not remove SQL dump file and directory. Please remove manually."
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warningExplain[5030]="Could not remove 503 error page. This MUST be removed manually before NGINX will serve webclients!"
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warningExplain[5031]="Name of a 503 error page file was not 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 (-r 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="Web users will NOT be informed the server is down!"
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### Process script parameters
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# if no parameters provided, of if parameters do not start with a '-' then show
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# the help page and exit with error
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if [ -z "$1" ] || [[ ! "$1" =~ ^- ]]; then
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# show script help page
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scriptHelp
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fi
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# use GetOpts to process parameters
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while getopts ':l:n:v5:w:' PARAMS; do
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case "$PARAMS" in
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l)
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# use provided location for logFile
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logFile="${OPTARG}"
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;;
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n)
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# NextCloud webroot
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ncRoot="${OPTARG}"
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;;
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v)
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# verbose output from Borg
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borgCreateParams='--list --stats'
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borgPruneParams='--list'
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;;
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5)
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# 503 error page name
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err503File="${OPTARG}"
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;;
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w)
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# path to webserver webroot to copy 503 error page
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webroot="${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 pre-requisties
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# If not running as root, display error on console and exit
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if [ $(id -u) -ne 0 ]; then
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echo -e "${err}This script MUST be run as ROOT. Exiting.${normal}"
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exit 2
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#elif [ -z "$ncRoot" ]; then
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# echo -e "\n${err}The NextCloud webroot must be specified (-n parameter)" \
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# "${normal}\n"
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# exit 1
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fi
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### Log start of script operations
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echo -e "\e[1;35m${stamp}-- Start $scriptName execution ---${normal}" \
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>> "$logFile"
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### Export logFile variable for use by Borg
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export logFile="$logFile"
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### Create sqlDump temporary directory and sqlDumpFile name
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sqlDumpDir=$( mktemp -d )
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sqlDumpFile="backup-`date +%Y%m%d_%H%M%S`.sql"
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echo -e "${info}${stamp} -- [INFO] mySQL dump file will be stored" \
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"at: ${lit}${sqlDumpDir}/${sqlDumpFile}${normal}" >> "$logFile"
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### 503 error page
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# Verify 503 existance
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if [ -z "$err503File" ]; then
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# no 503 file has been provided
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echo -e "${info}${stamp} -- [INFO] ${warn503} --${normal}" >> "$logFile"
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exitWarn+=('5031')
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else
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checkExist ff "$err503File"
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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 "${info}${stamp} -- [INFO] ${warn503} --${normal}" \
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>> "$logFile"
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exitWarn+=('5032')
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else
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# 503 file found
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# verify webroot exists
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if [ -z "$webroot" ]; then
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# no webroot path provided
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echo -e "${info}${stamp} -- [INFO] ${warn503} --${normal}" \
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>> "$logFile"
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exitWarn+=('5033')
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else
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# verify provided webroot path exists
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checkExist fd "$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 "${info}${stamp} -- [INFO] ${warn503} --${normal}" \
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>> "$logFile"
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exitWarn+=('5034')
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else
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# webroot exists and 503 exists, copy 503 to webroot
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cp "${err503File}" "$webroot/" >> "$logFile" 2>&1
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copyResult="$?"
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# verify copy was successful
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if [ "$copyResult" = "1" ]; then
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# copy was unsuccessful
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echo -e "${info}${stamp} -- [INFO] ${warn503}" \
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"--${normal}" >> "$logFile"
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exitWarn+=('5035')
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else
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# copy was successful
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echo -e "${op}${stamp} 503 error page" \
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"copied to webroot${normal}" >> "$logFile"
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fi
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fi
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fi
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fi
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fi
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### Put NextCloud in maintenance mode
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#ncMaint on
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# check if successful
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#if [ "$maintResult" = "0" ]; then
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# echo -e "${bold}${cyan}${stamp}...done${normal}" >> "$logFile"
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#else
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# cleanup 503
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# quit 100
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#fi
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### Exit script
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cleanup
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quit
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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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