671 lines
21 KiB
Bash
Executable File
671 lines
21 KiB
Bash
Executable File
#!/bin/sh
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#######
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### Backup Seafile/Seafile Pro server on bare-metal (NOT DOCKER)
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#######
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### text formatting presents
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norm=$(tput sgr0)
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err=$(tput bold)$(tput setaf 1)
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warn=$(tput bold)$(tput setaf 3)
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ok=$(tput setaf 2)
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yellow=$(tput setaf 3)
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cyan=$(tput setaf 6)
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magenta=$(tput setaf 5)
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### functions
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# bad configuration value passed in details file
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badDetails () {
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if [ "$1" = "empty" ]; then
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exitError 130 "details:${2} cannot be NULL (undefined)"
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elif [ "$1" = "dne" ]; then
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exitError 131 "details:${2} file or directory does not exist."
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fi
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}
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# bad parameter passed to script
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badParam () {
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if [ "$1" = "dne" ]; then
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printf "${err}\nError: '%s %s'\n" "$2" "$3"
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printf "file or directory does not exist.${norm}\n\n"
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exit 1
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elif [ "$1" = "empty" ]; then
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printf "${err}\nError: '%s' cannot have a NULL (empty) value.\n" "$2"
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printf "${cyan}Please use '--help' for assistance${norm}\n\n"
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exit 1
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elif [ "$1" = "svc" ]; then
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printf "${err}\nError: '%s %s': Service does not exist!${norm}\n\n" \
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"$2" "$3"
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exit 1
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fi
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}
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# cleanup
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cleanup () {
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# cleanup 503 if copied
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if [ "$err503Copied" -eq 1 ]; then
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if ! rm -f "$webroot/$err503File" 2>>"$logFile"; then
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printf "${warn}[%s] -- [WARNING] Could not remove 503 error page." \
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"$(stamp)" >> "$logFile"
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printf " Web interface will not function until this file is " \
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>> "$logFile"
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printf "removed --${norm}\n" >> "$logFile"
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warnCount=$((warnCount+1))
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else
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printf "${cyan}[%s] -- [INFO] 503 error page removed --${norm}\n" \
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"$(stamp)" >> "$logFile"
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fi
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fi
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if [ "$sqlCopied" -eq 1 ]; then
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if ! rm -rf "$sqlDumpDir" 2>>"$logFile"; then
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printf "${warn}[%s] -- [WARNING] Could not remove temporary " \
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"$(stamp)" >> "$logFile"
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printf "SQL dump directory at %s. " "$sqlDumpDir" >> "$logFile"
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printf "Remove manually to free up space.${norm}\n" >> "$logFile"
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warnCount=$((warnCount+1))
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else
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printf "${cyan}[%s] -- [INFO] Temporary SQL dump directory " \
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"$(stamp)" >> "$logFile"
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printf "removed --${norm}\n" >> "$logFile"
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fi
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fi
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if [ "$offlineBackup" -eq 1 ]; then
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printf "${cyan}[%s] -- [INFO] Starting seafile services --${norm}\n" \
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"$(stamp)" >> "$logFile"
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seafSvc start
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fi
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}
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exitError () {
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printf "${err}[%s] -- [ERROR] %s: %s --${norm}\n" \
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"$(stamp)" "$1" "$2" >> "$logFile"
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cleanup
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exit "$1"
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}
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# control seafile services (systemd)
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seafSvc () {
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if [ "$1" = "start" ]; then
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if ! systemctl start "${seafService}" >> "$logFile" 2>&1; then
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exitError 100 "Could not start ${seafService}"
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else
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printf "${cyan}[%s] -- [INFO] Started service: %s --${norm}\n" \
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"$(stamp)" "$seafService" >> "$logFile"
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fi
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if ! systemctl start "${seafHub}" >> "$logFile" 2>&1; then
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exitError 101 "Could not start ${seafHub}"
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else
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printf "${cyan}[%s] -- [INFO] Started service: %s --${norm}\n" \
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"$(stamp)" "$seafHub" >> "$logFile"
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fi
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elif [ "$1" = "stop" ]; then
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if ! systemctl stop "${seafHub}" >> "$logFile" 2>&1; then
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exitError 103 "Could not stop ${seafHub}"
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else
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printf "${cyan}[%s] -- [INFO] Stopped service: %s --${norm}\n" \
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"$(stamp)" "$seafService" >> "$logFile"
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fi
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if ! systemctl stop "${seafService}" >> "$logFile" 2>&1; then
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exitError 102 "Could not stop ${seafService}"
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else
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printf "${cyan}[%s] -- [INFO] Stopped service: %s --${norm}\n" \
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"$(stamp)" "$seafHub" >> "$logFile"
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fi
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fi
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}
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# generate dynamic timestamps
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stamp () {
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(date +%F" "%T)
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}
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### end of functions
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### default variable values
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## script related
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# store logfile in the same directory as this script file using the same file
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# name as the script but with the extension '.log'
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scriptPath="$( CDPATH='' cd -- "$( dirname -- "$0" )" && pwd -P )"
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scriptName="$( basename "$0" )"
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logFile="$scriptPath/${scriptName%.*}.log"
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warnCount=0
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configDetails="$scriptPath/seafbackup.details"
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err503Copied=0
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sqlCopied=0
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includeXtra=0
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exclusions=0
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# borg output verbosity -- normal
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borgCreateParams='--stats'
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borgPruneParams='--list'
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# 503 related
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use503=0
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err503Path="$scriptPath/503_backup.html"
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err503File="${err503Path##*/}"
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webroot="/usr/share/nginx/html"
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# seafile related
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offlineBackup=0
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seafService="seafile.service"
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seafHub="seahub.service"
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seafDir="/opt/seafile"
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seafData="/var/seafile"
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### process startup parameters
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while [ $# -gt 0 ]; do
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case "$1" in
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-h|-\?|--help)
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# display help
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scriptHelp
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exit 0
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;;
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-l|--log)
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# set log file location
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if [ -n "$2" ]; then
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logFile="${2%/}"
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shift
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else
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badParam empty "$@"
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fi
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;;
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-v|--verbose)
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# set verbose logging from borg
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borgCreateParams='--list --stats'
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borgPruneParams='--list'
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;;
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-c|--config|--details)
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# location of config details file
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if [ -n "$2" ]; then
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if [ -f "$2" ]; then
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configDetails="${2%/}"
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shift
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else
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badParam dne "$@"
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fi
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else
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badParam empty "$@"
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fi
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;;
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-5|--use-503)
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# enable copying 503 error page to webroot
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use503=1
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;;
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--503-path)
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# FULL path to 503 file
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if [ -n "$2" ]; then
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if [ -f "$2" ]; then
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err503Path="${2%/}"
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err503File="${2##*/}"
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shift
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else
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badParam dne "$@"
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fi
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else
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badParam empty "$@"
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fi
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;;
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-w|--webroot)
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# path to webroot (copy 503)
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if [ -n "$2" ]; then
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if [ -d "$2" ]; then
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webroot="${2%/}"
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shift
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else
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badParam dne "$@"
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fi
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else
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badParam empty "$@"
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fi
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;;
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-p|--seaf|--seafdir)
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# path to seafile program directory
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if [ -n "$2" ]; then
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if [ -d "$2" ]; then
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seafDir="${2%/}"
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shift
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else
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badParam dne "$@"
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fi
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else
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badParam empty "$@"
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fi
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;;
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-d|--data|--datadir|--seafdata)
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# path to seafile data directory
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if [ -n "$2" ]; then
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if [ -d "$2" ]; then
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seafData="${2%/}"
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shift
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else
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badParam dne "$@"
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fi
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else
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badParam empty "$@"
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fi
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;;
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--seafile-service)
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# name of seafile service
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if [ -n "$2" ]; then
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if ! systemctl list-unit-files | grep -Eq "^$2 |^$2.service"
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then
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badParam svc "$@"
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else
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seafService="${2}"
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shift
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fi
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else
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badParam empty "$@"
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fi
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;;
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--seahub-service)
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# name of seahub service
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if [ -n "$2" ]; then
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if ! systemctl list-unit-files | grep -Eq "^$2 |^$2.service"
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then
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badParam svc "$@"
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else
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seafHub="${2}"
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shift
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fi
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else
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badParam empty "$@"
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fi
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;;
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-o|--offline)
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# shutdown seafile during backup
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offlineBackup=1
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;;
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*)
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printf "${err}\nUnknown option: %s\n" "$1"
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printf "${cyan}Use '--help' for valid options.{$norm}\n\n"
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exit 1
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;;
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esac
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shift
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done
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### check pre-requisites and default values
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# does the details file exist?
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if [ ! -f "$configDetails" ]; then
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badParam dne "(--details default)" "$configDetails"
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fi
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# is borg installed?
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if ! command -v borg > /dev/null; then
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printf "\n${err}ERROR: BORG is not installed on this system!${norm}\n\n"
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exit 3
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fi
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# seafile directories
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if [ ! -d "$seafDir" ]; then
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badParam dne "(--seafdir default)" "$seafDir"
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elif [ ! -d "$seafData" ]; then
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badParam dne "(--seafdata default)" "$seafData"
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fi
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# offline backup
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if [ "$offlineBackup" -eq 1 ]; then
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if ! systemctl list-unit-files | \
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grep -Eq "^$seafService |^$seafService.service"
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then
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badParam svc "(--seafile-service default)" "$seafService"
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elif ! systemctl list-unit-files | \
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grep -Eq "^$seafHub |^$seafHub.service"
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then
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badParam svc "(--seahub-service default)" "$seafHub"
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fi
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fi
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# if 503 functionality is enabled, do 503 related files exist?
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if [ "$use503" -eq 1 ]; then
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if [ ! -f "$err503Path" ]; then
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badParam dne "(--503-path default)" "$err503Path"
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elif [ ! -d "$webroot" ]; then
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badParam dne "(--webroot default)" "$webroot"
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fi
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fi
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### start logging
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printf "${magenta}[%s] --- Start %s execution ---${norm}\n" \
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"$(stamp)" "$scriptName" >> "$logFile"
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printf "${cyan}[%s] -- [INFO] Log located at ${yellow}%s${cyan} --${norm}\n" \
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"$(stamp)" "$logFile" >> "$logFile"
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### 503 functionality
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if [ "$use503" -eq 1 ]; then
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printf "${cyan}[%s] -- [INFO] Copying 503 error page to " \
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"$(stamp)" >> "$logFile"
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printf "webroot -- ${norm}\n" >> "$logFile"
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if ! \cp --force "${err503Path}" "${webroot}/${err503File}" 2>> "$logFile"
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then
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printf "${warn}[%s] -- [WARNING] Failed to copy 503 error page. " \
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"$(stamp)" >> "$logFile"
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printf "Web users will NOT be notified --${norm}\n" >> "$logFile"
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warnCount=$((warnCount+1))
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else
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printf "${ok}[%s] -- [SUCCESS] 503 error page copied --${norm}\n" \
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"$(stamp)" >> "$logFile"
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# set cleanup flag
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err503Copied=1
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fi
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fi
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### stop seahub and seafile service if offline backup requested
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if [ "$offlineBackup" -eq 1 ]; then
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printf "${cyan}[%s] -- [INFO] Stopping seafile services --${norm}\n" \
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"$(stamp)" >> "$logFile"
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seafSvc stop
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fi
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### read details file to get variables needed to dump sql and run borg
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# check if config details file was provided as a relative or absolute path
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case "${configDetails}" in
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/*)
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# absolute path, no need to rewrite variable
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. "${configDetails}"
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;;
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*)
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# relative path, prepend './' to create absolute path
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. "./${configDetails}"
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;;
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esac
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printf "${cyan}[%s] -- [INFO] ${yellow}%s${cyan} imported --${norm}\n" \
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"$(stamp)" "$configDetails" >> "$logFile"
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### dump sql databases
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## verify SQL variables are defined in details file
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# sqlServer
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if [ -z "${sqlServer}" ]; then
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badDetails empty 'sqlServer'
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fi
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# sqlUser
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if [ -z "${sqlUser}" ]; then
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badDetails empty 'sqlUser'
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fi
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# sqlPass
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if [ -z "${sqlPass}" ]; then
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badDetails empty 'sqlPass'
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fi
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## create tmp directory and generate dumpfile names
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printf "${cyan}[%s] -- [INFO] Dumping SQL databases --${norm}\n" \
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"$(stamp)" >> "$logFile"
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# create temporary directory to dump files before borg backup
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if ! sqlDumpDir=$( mktemp -d 2>>"$logFile" ); then
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exitError 111 "Could not create temporary directory to dump SQL files"
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fi
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# set cleanup flag
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sqlCopied=1
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printf "${cyan}[%s] -- [INFO] SQL dump files will be temporarily stored in:" \
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"$(stamp)" >> "$logFile"
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printf "\n${yellow}%s/${cyan} --${norm}\n" "$sqlDumpDir" >> "$logFile"
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# create unique names for database dump files
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sqlDump_ccnet="backup-$(date +%Y%m%d_%H%M%S)_${ccnetDB_name}.sql"
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sqlDump_seafile="backup-$(date +%Y%m%d_%H%M%S)_${seafileDB_name}.sql"
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sqlDump_seahub="backup-$(date +%Y%m%d_%H%M%S)_${seahubDB_name}.sql"
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## dump databases
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# dump CCNET-DB
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if ! mysqldump -h"${sqlServer}" -u"${sqlUser}" -p"${sqlPass}" \
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--opt ccnet-db > "${sqlDumpDir}/${sqlDump_ccnet}" 2>> "$logFile"; then
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exitError 115 "Could not dump ${ccnetDB_name} database"
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fi
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# dump SEAFILE-DB
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if ! mysqldump -h"${sqlServer}" -u"${sqlUser}" -p"${sqlPass}" \
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--opt ccnet-db > "${sqlDumpDir}/${sqlDump_seafile}" 2>> "$logFile"; then
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exitError 116 "Could not dump ${seafileDB_name} database"
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fi
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# dump CCNET-DB
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if ! mysqldump -h"${sqlServer}" -u"${sqlUser}" -p"${sqlPass}" \
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--opt ccnet-db > "${sqlDumpDir}/${sqlDump_seahub}" 2>> "$logFile"; then
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exitError 117 "Could not dump ${seahubDB_name} database"
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fi
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printf "${ok}[%s] -- [SUCCESS] SQL databases dumped successfully --${norm}\n" \
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"$(stamp)" >> "$logFile"
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### pre-backup tasks completed -- move to borg tasks
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printf "${ok}[%s] -- [SUCCESS] Pre-backup tasks completed --${norm}\n" \
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"$(stamp)" >> "$logFile"
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### Run borg variable checks
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printf "${cyan}[%s] -- [INFO] Verifying supplied borg details --${norm}\n" \
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"$(stamp)" >> "$logFile"
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## verify borg base directory
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if [ -z "${borgBaseDir}" ]; then
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badDetails empty 'borgBaseDir'
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elif [ ! -d "${borgBaseDir}" ]; then
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badDetails dne 'borgBaseDir'
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fi
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printf "${magenta}details:borgBaseDir ${norm}-- ${ok}[OK]${norm}\n" \
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>> "$logFile"
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export BORG_BASE_DIR="${borgBaseDir%/}"
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## check path to SSH keyfile
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if [ -z "${borgSSHKey}" ]; then
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badDetails empty 'borgSSHKey'
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elif [ ! -d "${borgSSHKey}" ]; then
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badDetails dne 'borgSSHKey'
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fi
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printf "${magenta}details:borgSSHKey ${norm}-- ${ok}[OK]${norm}\n" \
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>> "$logFile"
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export BORG_RSH="ssh -i ${borgSSHKey}"
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## check borg repo connect string
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if [ -z "${borgConnectRepo}" ]; then
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badDetails empty 'borgConnectRepo'
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fi
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printf "${magenta}details:borgConnectRepo ${norm}-- ${ok}[OK]${norm}\n" \
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>> "$logFile"
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export BORG_REPO="${borgConnectRepo}"
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## check borg repo password
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if [ -n "${borgRepoPassphrase}" ]; then
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printf "${magenta}details:borgRepoPassphrase ${norm}-- ${ok}[OK]${norm}\n" \
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>> "$logFile"
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export BORG_PASSPHRASE="${borgRepoPassphrase}"
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else
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# if passwd is blank intentionally, this is insecure
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printf "${warn} -- [WARNING] Using a borg repo without a password is an " \
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>> "$logFile"
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printf "insecure configuration --${norm}\n" >> "$logFile"
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warnCount=$((warnCount+1))
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# if this was an accident, we need to provide a bogus passwd so borg fails
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# otherwise it will sit forever just waiting for input
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export BORG_PASSPHRASE="DummyPasswordSoBorgFails"
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fi
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## export borg remote path, if specified
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if [ -n "${borgRemote}" ]; then export BORG_REMOTE_PATH="${borgRemote}"; fi
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## read additional files
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if [ -n "${borgXtraListPath}" ]; then
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# check if file actually exists
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if [ ! -f "${borgXtraListPath}" ]; then
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badDetails dne 'borgXtraListPath'
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fi
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# read file contents into concatenated list for echo to cmdline
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while read -r xtraItem; do
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if [ -z "${xtraList}" ]; then
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xtraList="${xtraItem}"
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else
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xtraList="${xtraList} ${xtraItem}"
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fi
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done <<EOF
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$( sed -e '/^\s*#.*$/d' -e '/^\s*$/d' "${borgXtraListPath}" )
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EOF
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printf "${magenta}details:borgXtraListPath ${norm}-- ${ok}[OK]${norm}\n" \
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>> "$logFile"
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includeXtra=1
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fi
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|
## check if exlusion list file is specified
|
|
if [ -n "${borgExcludeListPath}" ]; then
|
|
# check if the file actually exists
|
|
if [ ! -f "${borgExcludeListPath}" ]; then
|
|
badDetails dne 'borgExcludeListPath'
|
|
fi
|
|
exclusions=1
|
|
fi
|
|
|
|
|
|
### create borg temp dir:
|
|
## python requires a writable temporary directory when unpacking borg and
|
|
## executing commands. This defaults to /tmp but many systems mount /tmp with
|
|
## the 'noexec' option for security. Thus, we will use/create a 'tmp' folder
|
|
## within the BORG_BASE_DIR and instruct python to use that instead of /tmp
|
|
|
|
# check if BORG_BASE_DIR/tmp exists, if not, create it
|
|
if [ ! -d "${borgBaseDir}/tmp" ]; then
|
|
if ! mkdir "${borgBaseDir}/tmp"; then
|
|
exitError 132 "Unable to create borg ${borgBaseDir}/tmp directory"
|
|
else
|
|
printf "${cyan}[%s] -- [INFO] Created ${yellow}%s/tmp " \
|
|
"$(stamp)" "${borgBaseDir}" >> "$logFile"
|
|
printf "${cyan}--${norm}\n" >> "$logFile"
|
|
fi
|
|
fi
|
|
export TMPDIR="${borgBaseDir}/tmp"
|
|
|
|
|
|
### execute borg depending on whether extra files and/or exclusions are defined
|
|
|
|
## construct the proper borg commandline
|
|
# base command
|
|
if [ "$exclusions" -eq 0 ]; then
|
|
borgCMD="borg --show-rc create ${borgCreateParams} \
|
|
::$(date +%Y-%m-%d_%H%M%S) \
|
|
${seafDir} \
|
|
${seafData} \
|
|
${sqlDumpDir}"
|
|
elif [ "$exclusions" -eq 1 ]; then
|
|
borgCMD="borg --show-rc create ${borgCreateParams} \
|
|
--exclude-from ${borgExcludeListPath} \
|
|
::$(date +%Y-%m-%d_%H%M%S) \
|
|
${seafDir} \
|
|
${seafData} \
|
|
${sqlDumpDir}"
|
|
fi
|
|
|
|
# add extra locations if defined
|
|
if [ "$includeXtra" -eq 1 ]; then
|
|
borgCMD="${borgCMD} ${xtraList}"
|
|
fi
|
|
|
|
# execute borg
|
|
printf "${cyan}[%s] -- [INFO] Executing borg backup operation --${norm}\n" \
|
|
"$(stamp)" >> "$logFile"
|
|
${borgCMD} 2>> "$logFile"
|
|
borgResult="$?"
|
|
|
|
## check borg exit status
|
|
if [ "$borgResult" -eq 0 ]; then
|
|
printf "${ok}[%s] -- [SUCCESS] Borg backup completed " \
|
|
"$(stamp)" >> "$logFile"
|
|
printf "successfully --${norm}\n" >> "$logFile"
|
|
elif [ "$borgResult" -eq 1 ]; then
|
|
printf "${warn}[%s] -- [WARNING] Borg completed with warnings. " \
|
|
"$(stamp)" >> "$logFile"
|
|
printf "Review this logfile for details --${norm}\n" >> "$logFile"
|
|
warnCount=$((warnCount+1))
|
|
elif [ "$borgResult" -ge 2 ]; then
|
|
err_1="Borg exited with a critical error. Please review this log file"
|
|
err_2="for details."
|
|
exitError 138 "$err_1 $err_2"
|
|
else
|
|
printf "${warn}[%s] -- [WARNING] Borg exited with unknown return code. " \
|
|
"$(stamp)" >> "$logFile"
|
|
printf "Review this logfile for details --${norm}\n" >> "$logFile"
|
|
warnCount=$((warnCount+1))
|
|
fi
|
|
|
|
|
|
### execute borg prune if paramters are provided, otherwise skip with a warning
|
|
if [ -n "${borgPruneSettings}" ]; then
|
|
printf "${cyan}[%s] -- [INFO] Executing borg prune operation --${norm}\n" \
|
|
"$(stamp)" >> "$logFile"
|
|
borg prune --show-rc -v "${borgPruneParams}" "${borgPruneSettings}" \
|
|
2>> "$logFile"
|
|
borgPruneResult="$?"
|
|
else
|
|
printf "${warn}[%s] -- [WARNING] No prune parameters provided. " \
|
|
"$(stamp)" >> "$logFile"
|
|
printf "Your archive will continue growing with each backup --${norm}\n" \
|
|
>> "$logFile"
|
|
warnCount=$((warnCount+1))
|
|
fi
|
|
|
|
## report on prune operation if executed
|
|
if [ -n "${borgPruneResult}" ]; then
|
|
if [ "${borgPruneResult}" -eq 0 ]; then
|
|
printf "${ok}[%s] -- [SUCCESS] Borg prune completed --${norm}\n" \
|
|
"$(stamp)" >> "$logFile"
|
|
elif [ "$borgPruneResult" -eq 1 ]; then
|
|
printf "${warn}[%s] -- [WARNING] Borg prune completed with warnings. " \
|
|
"$(stamp)" >> "$logFile"
|
|
printf "Review this logfile for details --${norm}\n" >> "$logFile"
|
|
warnCount=$((warnCount+1))
|
|
elif [ "$borgPruneResult" -ge 2 ]; then
|
|
err_1="Borg prune exited with a critical error. Please review this"
|
|
err_2="log file for details."
|
|
exitError 139 "$err_1 $err_2"
|
|
else
|
|
printf "${warn}[%s] -- [WARNING] Borg prune exited with an unknown " \
|
|
"$(stamp)" >> "$logFile"
|
|
printf "return code. Review this logfile for details --${norm}\n" \
|
|
>> "$logFile"
|
|
warnCount=$((warnCount+1))
|
|
fi
|
|
fi
|
|
|
|
|
|
### all processes successfully completed, cleanup and exit gracefully
|
|
|
|
# note successful completion of borg commands
|
|
printf "${ok}[%s] -- [SUCCESS] Backup operations completed --${norm}\n" \
|
|
"$(stamp)" >> "$logFile"
|
|
|
|
# cleanup
|
|
cleanup
|
|
|
|
# note complete success, tally warnings and exit
|
|
printf "${ok}[%s] -- [SUCCESS] All processes completed --${norm}\n" \
|
|
"$(stamp)" >> "$logFile"
|
|
printf "${magenta}[%s] --- %s execution completed ---${norm}\n" \
|
|
"$(stamp)" "$scriptName" >> "$logFile"
|
|
if [ "$warnCount" -gt 0 ]; then
|
|
printf "${warn}%s warnings issued!${norm}\n" "${warnCount}" >> "$logFile"
|
|
else
|
|
printf "${ok}0 warnings issued.${norm}\n" >> "$logFile"
|
|
fi
|
|
exit 0
|
|
|
|
|
|
|
|
### error codes
|
|
# 1: parameter error
|
|
# 2: not run as root
|
|
# 3: borg not installed
|
|
# 100: could not start seafile service
|
|
# 101: could not start seahub service
|
|
# 102: could not stop seafile service
|
|
# 103: could not stop seahub service
|
|
# 111: could not create tmp dir for SQL dump files
|
|
# 115: could not dump CCNET-DB
|
|
# 116: could not dump SEAFILE-DB
|
|
# 117: could not dump SEAHUB-DB
|
|
# 130: null configuration variable in details file
|
|
# 131: invalid configuration variable in details file
|
|
# 138: borg exited with a critical error
|
|
# 139: borg prune exited with a critical error |