NextCloudBackup/backup.sh

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#!/bin/bash
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### Text formatting presets
normal="\e[0m"
bold="\e[1m"
default="\e[39m"
red="\e[31m"
green="\e[32m"
yellow="\e[33m"
magenta="\e[35m"
cyan="\e[36m"
stamp="[`date +%Y-%m-%d` `date +%H:%M:%S`]"
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### Functions ###
### scriptHelp -- display usage information for this script
function scriptHelp {
echo "In the future, I will be something helpful!"
# exit with code 98 -- there is no use logging this
exit 1
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}
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### quit -- exit the script after logging any errors, warnings, etc. and
### cleaning up as necessary
function quit {
if [ -z "$1" ]; then
# exit cleanly
echo -e "${bold}${green}${stamp} -- [SUCCESS] Script completed" \
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"--$normal" >> "$logFile"
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exit 0
else
# log error code and exit with said code
echo -e "${bold}${red}${stamp} -- [ERROR] Script exited with code $1" \
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" --$normal" >> "$logFile"
echo -e "${red}${errorExplain[$1]}$normal" >> "$logFile"
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exit "$1"
fi
}
function checkExist {
if [ "$1" = "ff" ]; then
# find file
if [ -e "$2" ]; then
# found
echo -e "${normal}${stamp} File found: ${yellow}${2}${normal}" \
>> $logFileVerbose
return 0
else
# not found
echo -e "${red}${stamp} File NOT found: ${yellow}${2}${normal}" \
>> $logFileVerbose
return 1
fi
elif [ "$1" = "fd" ]; then
# find directory
if [ -d "$2" ]; then
# found
echo -e "${normal}${stamp} Dir found: ${yellow}${2}${normal}" \
>> $logFileVerbose
return 0
else
# not found
echo -e "${red}${stamp} Dir NOT found: ${yellow}${2}${normal}" \
>> $logFileVerbose
return 1
fi
fi
}
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### End of Functions ###
### Default parameters
# store the logfile in the same directory as this script using the script's name
# with the extension .log
scriptPath="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
scriptName="$( basename ${0} )"
logFile="$scriptPath/${scriptName%.*}.log"
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# set script parameters to null and initialize array variables
unset PARAMS
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unset logLevel
unset logFileNormal
unset logFileVerbose
unset borgCreateParams
unset borgPruneParams
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unset sqlDumpDir
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errorExplain=()
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### Error codes
errorExplain[2]="This script MUST be run as ROOT."
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### Process script parameters
# if no parameters provided, then show the help page and exit with error
if [ -z $1 ]; then
# show script help page
scriptHelp
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fi
# use GetOpts to process parameters
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while getopts ':l:nv' PARAMS; do
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case "$PARAMS" in
l)
# use provided location for logFile
logFile="${OPTARG}"
;;
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n)
# standard logging (script errors, Borg summary)
logLevel="normal"
;;
v)
# verbose logging (script errors, Borg details)
logLevel="verbose"
;;
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?)
# unrecognized parameters trigger scriptHelp
scriptHelp
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;;
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esac
done
### Verify script running as root, otherwise exit
if [ $(id -u) -ne 0 ]; then
quit 2
fi
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### Set logging verbosity based on invocation parameters
if [ "$logLevel" = "normal" ]; then
borgCreateParams='--stats'
borgPruneParams="--list"
logFileVerbose="/dev/null"
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logFileNormal="$logFile"
elif [ "$logLevel" = "verbose" ]; then
borgCreateParams='--list --stats'
borgPruneParams='--list'
logFileVerbose="$logFile"
logFileNormal="/dev/null"
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fi
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### Log start of script operations
echo -e "${bold}${stamp}-- Start $scriptName execution ---" >> "$logFile"
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### Export logFile variable for use by Borg
export logFile="$logFile"
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### Create sqlDump temporary directory and sqlDumpFile name
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sqlDumpDir=$( mktemp -d )
echo -e "${cyan}${stamp} Created temp dir for SQLdump: $sqlDumpDir" \
>> "$logFileVerbose"
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sqlDumpFile="backup-`date +%Y%m%d_%H%M%S`.sql"
echo -e "${normal}${stamp} mySQL dump file will be stored at:" \
"${bold}${yellow}${sqlDumpDir}/${sqlDumpFile}${normal}" \
| tee -a "$logFileNormal" "$logFileVerbose"
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# This code should not be executed since the 'quit' function should terminate
# this script. Therefore, exit with code 99 if we get to this point.
exit 99