552 lines
20 KiB
Bash
Executable File
552 lines
20 KiB
Bash
Executable File
#!/bin/bash
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#######
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### Backup NextCloud13 installation to external repo using Borg Backup
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### Assuming both NextCloud & Borg setup as outlined in their respecitive
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### series at https://mytechiethoughts.com
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###
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### Events:
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### 1. Copy 503 error page to stop NGINX from serving web clients.
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### (this depends on a complementary NGINX configuration)
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### 2. Put NextCloud in maintenance mode to prevent logins and changes.
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### 3. SQLdump from NextCloud.
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### 4. Borg backup all files from xtraLocations.
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### 5. Borg backup NextCloud data and files.
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### 6. Put NextCloud back into operating mode.
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### 7. Delete 503 error page so NGINX can serve web clients again.
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###
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### Usage: ./borgbackup [verbose:normal(default):quiet]
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### Options:
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### verbose - All logging turned on, including a list of each file being
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### backed up/skipped/etc. (This can lead to very large logs)
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### normal - This is the default setting. If nothing is specified, this
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### setting will be used. Errors, warnings & summary of borgbackup will
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### be logged.
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### quiet - Minimal logging. Errors and warnings only and confirmation of
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### of backup success.
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###
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### Exit codes:
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### Some error codes can be warnings or errors, review the log file for details.
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### Although the log notes some things as warnings, they may be quite serious.
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### Your logcheck system should report all '--WARNING: ... --' tags.
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### 1 - Script was not run as ROOT (only error not in log, stderr/stdout only)
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### 2 - Unknown verbosity level specified on script invocation
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### 100 - Script has exited with ERRORS (codes listed in log on exit line)
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### 101 - Script has exited with warnings (codes listed in log on exit line)
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### 101 - File/directory not found
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### 102 - Could not create file/directory
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### 103 - Could not remove file/directory
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### 200 - Problem dumping SQL
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### 300 - Borg create: CRITICAL error, check a verbose log
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### 301 - Borg create: warnings issued, check a verbose log
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### 310 - Borg prune: CRTIICAL error, check a verbose log
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### 311 - Borg prune: warnings issued, check a verbose log
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### 500 - Could not enter NextCloud maintenance mode
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### 501 - Could not exit NextCloud maintenance mode
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#######
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### Script variables -- please ensure they are accurate!
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# web user on your system (default: www-data)
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webUser=www-data
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# FULL path to NGINX webroot (default: /usr/share/nginx/html)
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webroot=/usr/share/nginx/html
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# FULL path to NextCloud root directory
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# By default, this is a folder within your webroot. If your setup is different
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# then provide the FULL path here. (default: webroot/nextcloud)
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ncroot="$webroot/nextcloud"
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# NextCloud data directory
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# If this is setup according to the blog series at https://mytechiethoughts.com
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# then this is '/var/nc_data'. If not, please change as appropriate for your
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# environment. (default: /var/nc_data)
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ncdata=/var/nc_data
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# name of 503-error page (default: 503-error.html)
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# MUST be in the same directory as THIS script
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err503FileName=503-backup.html
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# desired directory for SQLdump -- will be created if necessary
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# (default: /SQLdump)
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sqlDumpDir=/SQLdump
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# FULL path to SQL details file (explained in blog)
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# This is a 4 line file in the EXACT format:
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#sqlServerHostName
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#sqlDBUsername
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#sqlDBPassword
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#sqlDBName
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#(default: /root/sqlDetails)
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sqlDetails=/root/sqlDetails
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# Borg BASE directory (default: /var/borgbackup)
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borgBaseDir=/var/borgbackup
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# FULL path to your remote server SSH private keyfile (no default)
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borgRemoteSSHKeyfile=/var/borgbackup/rsync.key
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# Borg remote path (default for rsync: borg1)
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borgRemotePath=borg1
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# Borg 'checkpoint' interval in seconds
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# This determines when snapshots are taken so that interrupted backups
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# can be restored from that point in time
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# (default: 300 seconds = 5 minutes)
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borgCheckpoint=300
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# FULL path to Borg repo details file (explained in blog)
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# This is a 2 line file in the EXACT format:
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# repo-name in format user@server.tld:repo
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# passphrase
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# (default: borgBaseDir/repoDetails.borg)
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borgDetails="$borgBaseDir/repoDetails.borg"
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# FULL path to the extra source-list file (explained in blog)
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# This file lists any extra files and directories that should be included
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# in the backup in addition to NextCloud program and data files.
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# One source-entry per line.
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# No spaces, comments or any other extraneous information, just the files/dirs
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# Directories must end with tailing slash (i.e. directory/name/)
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# (default: borgBaseDir/xtraLocations.borg)
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borgXtraFiles="$borgBaseDir/xtraLocations.borg"
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# FULL path to the exclude source-list (explained in blog)
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# This file lists any files and directories that should be excluded from
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# the backup.
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# MUST conform to borg patterns -- 'borg help patterns' for more information
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# (default: borgBaseDir/excludeLocations.borg)
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borgExcludeFiles="$borgBaseDir/excludeLocations.borg"
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# Pruning options for borg archive (see BorgBackup documentation for details)
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# This default example keeps all backups within the last 14 days, 12 weeks
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# of end-of-week backups and 6 months of end-of-month backups.
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borgPrune='--keep-within=14d --keep-weekly=12 --keep-monthly=6'
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# desired name and location of log file for this script (will be created)
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# NOTE: This file can get quite large, ensure logrotate is setup!
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# (default: /var/log/mailcow_backup.log)
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logFile=/var/log/borgbackup.log
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### Do NOT edit below this line
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## Ensure script is running as root (required) otherwise, exit
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if [ $(id -u) -ne 0 ]; then
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echo -e "\e[1;31m[`date +%Y-%m-%d` `date +%H:%M:%S`] This script MUST" \
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"be run as ROOT."
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echo -e "\e[4;31mScript aborted\e[0;31m.\e[0m"
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exit 1
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fi
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## elevate script -- used during program testing
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#if [ $EUID != 0 ]; then
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# sudo "$0" "$@"
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# exit $?
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#fi
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### Functions:
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function quit {
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if [ -z "$1" ]; then
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# exit gracefully
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echo -e "\e[1;32m[`date +%Y-%m-%d` `date +%H:%M:%S`]" \
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"--Backup operations completed SUCCESSFULLY--\e[0m" >> $logFile
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exit 0
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elif [ "$2" = "warn" ]; then
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# exit with warning code
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echo -e "\e[1;33m[`date +%Y-%m-%d` `date +%H:%M:%S`]" \
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"--Script exited with WARNING(S) (code: ${exitWarning[*]})--\e[0m" >> $logFile
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exit "$1"
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elif [ $"2" = "error" ]; then
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# this is a deferred exit, codes need to be listed
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# check if there are warnings in addtion to errors
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if [ ${#exitWarning[@]} -gt 0 ]; then
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echo -e "\e[1;31m[`date +%Y-%m-%d` `date +%H:%M:%S`]" >> $logFile
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echo -e "\e[1;33m--Script exited with WARNING(S)" \
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"(code: ${exitWarning[*]})--" >> $logFile
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echo -e "\e[1;31m--Script exited with ERROR(S)" \
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"(code: ${exitError[*]})--\e[0m" >> $logFile
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exit "$1"
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else
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echo -e "\e[1;31m[`date +%Y-%m-%d` `date +%H:%M:%S`]" \
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"--Script exited with ERROR(S) (code: ${exitError[*]})" \
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"--\e[0m" >> $logFile
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exit "$1"
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fi
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else
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# exit immediately with error code
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# check if there are warnings in addition to errors
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if [ ${#exitWarning[@]} -gt 0 ]; then
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echo -e "\e[1;31m[`date +%Y-%m-%d` `date +%H:%M:%S`]" >> $logFile
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echo -e "\e[1;33m--Script exited with WARNING(S)" \
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"(code: ${exitWarning[*]})--" >> $logFile
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echo -e "\e[1;31m--Script exited with ERROR (code: $1)" \
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"--\e[0m" >> $logFile
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else
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echo -e "\e[1;31m[`date +%Y-%m-%d` `date +%H:%M:%S`]" \
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"--Script exited with ERROR (code: $1)--\e[0m" >> $logFile
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exit "$1"
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fi
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fi
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}
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function checkExist {
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if [ "$1" = "find" ]; then
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if [ -e "$3" ]; then
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echo -e "\e[0m[`date +%Y-%m-%d` `date +%H:%M:%S`] Found:" \
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"\e[0;33m${3}\e[0m" >> $logFileVerbose
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return 0
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elif [ "$2" = "createDir" ]; then
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echo -e "\e[1;36m[`date +%Y-%m-%d` `date +%H:%M:%S`] Creating:" \
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"${3}...\e[0m" | tee -a $logFileVerbose $logFileNormal > \
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/dev/null
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mkdir -p "$3" 2>&1 | tee -a $logFileVerbose $logFileNormal \
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> /dev/null
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echo -e "\e[0;36m...done\e[0m" | tee -a $logFileVerbose \
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$logFileNormal > /dev/null
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return 1
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elif [ "$2" = "warn" ]; then
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echo -e "\e[1;33m[`date +%Y-%m-%d` `date +%H:%M:%S`] --WARNING:" \
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"${3} was not found--\e[0m" >> $logFile
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exitWarning+=('101')
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return 2
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elif [ "$2" = "error" ]; then
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echo -e "\e[1;31m[`date +%Y-%m-%d` `date +%H:%M:%S`] --ERROR:" \
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"${3} was not found--\e[0m" >> $logFile
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exitError+=('101')
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return 3
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else
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# file not found, return proper code
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return 5
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fi
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else
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# this code shouldn't be executed, provide checkable return code
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return 200
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fi
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}
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function ncMaint {
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if [ "$1" = "on" ]; then
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## Put NextCloud in maintenance mode
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echo -e "\e[1;36m[`date +%Y-%m-%d` `date +%H:%M:%S`]" \
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"Putting NextCloud in maintenance mode...\e[0m" >> $logFile
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sudo -u ${webUser} php ${ncroot}/occ maintenance:mode --on \
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>> $logFile 2>&1
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# return result
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maintResult="$?"
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return $maintResult
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elif [ "$1" = "off" ]; then
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## Return NextCloud to normal operating mode
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echo -e "\e[1;36m[`date +%Y-%m-%d` `date +%H:%M:%S`]" \
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"Exiting NextCloud maintenance mode...\e[0m" >> $logFile
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sudo -u ${webUser} php ${ncroot}/occ maintenance:mode --off \
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>> $logFile 2>&1
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# return result
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maintResult="$?"
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return $maintResult
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else
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# this code shouldn't be executed, provide checkable return code
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return 200
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fi
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}
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function cleanUp {
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# This function cleans up files copied/created by this script
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if [ "$1" = "503" ]; then
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# Cleanup 503 file in webroot to restore NGINX operation
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echo -e "\e[1;36m[`date +%Y-%m-%d` `date +%H:%M:%S`]" \
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"Removing 503 error page from webroot...\e[0m" | \
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tee -a $logFileVerbose $logFileNormal > /dev/null
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rm -f "$webroot/$err503FileName" 2>&1 | \
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tee -a $logFileVerbose $logFileNormal > /dev/null
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# verify actually removed
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checkExist find null "$webroot/$err503FileName"
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checkResult="$?"
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if [ "$checkResult" = "5" ]; then
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echo -e "\e[0;36m...done\e[0m" | tee -a $logFileVerbose \
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$logFileNormal > /dev/null
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else
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echo -e "\e[1;33m[`date +%Y-%m-%d` `date +%H:%M:%S`] --WARNING:" \
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"Problem encountered removing 503 error page from webroot." \
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"Manually remove this file or NGINX will not serve web" \
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"clients.--" >> $logFile
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exitWarning+=('103')
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fi
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elif [ "$1" = "sqlDump" ]; then
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# Remove sqlDumpFile
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echo -e "\e[1;36m[`date +%Y-%m-%d` `date +%H:%M:%S`] Removing sqlDump" \
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"file...\e[0m" >> $logFileVerbose
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rm -f "$sqlDumpDir/$sqlDumpFile" >> $logFile 2>&1
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# verify actually removed
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checkExist find null "$sqlDumpDir/$sqlDumpFile"
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checkResult="$?"
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if [ "$checkResult" = "5" ]; then
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echo -e "\e[0;36m...done\e[0m" >> $logFileVerbose
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else
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echo -e "\e[1;33m[`date +%Y-%m-%d` `date +%H:%M:%S`] --WARNING:" \
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"Problem removing sqldump file. Please remove manually.\e[0m" \
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>> $logFileVerbose
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exitWarning+=('103')
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fi
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else
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# this code shouldn't be executed, provide checkable return code
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return 200
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fi
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}
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### End of functions
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## Write script execution start in log file
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echo -e "\e[1;32m[`date +%Y-%m-%d` `date +%H:%M:%S`]" \
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"--Begin backup operations--\e[0m" >> $logFile
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## Parse supplied variables and determine additional script vars
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scriptPath="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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err503FullPath="$scriptPath/$err503FileName"
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exitWarning=()
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exitError=()
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## Determine verbosity level for logging
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if [ "$1" = "verbose" ]; then
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borgCreateParams='--list --stats'
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borgPruneParams='--list'
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logFileVerbose="$logFile"
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unset logFileNormal
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unset logFileQuiet
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elif [ "$1" = "normal" ] || [ -z "$1" ]; then
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borgCreateParams='--stats'
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borgPruneParams='--list'
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unset logFileVerbose
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logFileNormal="$logFile"
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unset logFileQuiet
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elif [ "$1" = "quiet" ]; then
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unset borgCreateParams
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unset borgPruneParams
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unset logFileVerbose
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unset logFileNormal
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else
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quit 2
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fi
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## Export logfle location for use by external programs
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export logFile="$logFile"
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## Check for sqlDumpDir and create if necessary
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checkExist find createDir $sqlDumpDir
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checkResult="$?"
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if [ "$checkResult" = "1" ]; then
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# verify creation successful
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checkExist find $sqlDumpDir
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checkResult="$?"
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if [ "$checkResult" = "0" ]; then
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echo -e "\e[1;39mConfirmed: \e[0;33m$sqlDumpDir \e[1;39mcreated.\e[0m" \
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>> $logFileVerbose
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else
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# cannot continue without a place to dump SQL
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quit 102
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fi
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fi
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## Create unique filename for sqlDump file
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sqlDumpFile="backup_`date +%Y%m%d_%H%M%S`.sql"
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echo -e "\e[0m[`date +%Y-%m-%d` `date +%H:%M:%S`] mysql dump file will be" \
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"stored at:" >> $logFile
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echo -e "\e[0;33m$sqlDumpDir/$sqlDumpFile\e[0m" | tee -a $logFileVerbose \
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$logFileNormal > /dev/null
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## Find 503 error page and copy to NGINX webroot
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## File must be in the same location as this script
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## IF file is not found, log warning but continue script
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checkExist find warn $err503FullPath
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checkResult="$?"
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if [ "$checkResult" = "2" ]; then
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# file not found, issue warning
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echo -e "\e[1;33m--WARNING: The 503 file should be re-created" \
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"ASAP.--" >> $logFile
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echo -e "\e[1;33m--WARNING: Web users will NOT be notified the" \
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"server is down.--\e[0m" >> $logFile
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echo -e "Script will continue processing..." >> $logFile
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else
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# file found, copy it to webroot
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echo -e "\e[1;36m[`date +%Y-%m-%d` `date +%H:%M:%S`] Copying 503 error" \
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"page to NGINX webroot...\e[0m" | tee -a $logFileVerbose \
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$logFileNormal > /dev/null
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cp $err503FullPath $webroot/ 2>&1 | tee -a $logFileVerbose $logFileNormal \
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> /dev/null
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echo -e "\e[0;36m...done\e[0m" | tee -a $logFileVerbose $logFileNormal \
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> /dev/null
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# verify copy was successful
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checkExist find warn "$webroot/$err503FileName"
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checkResult="$?"
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if [ "$checkResult" = "2" ]; then
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# file not found, issue warning
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echo -e "\e[1;33m[`date +%Y-%m-%d` `date +%H:%M:%S`] --WARNING: " \
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"There was a problem copying the 503 error page to" \
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"webroot.--\e[0m" >> $logFile
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echo -e "\e[1;33m--WARNING: Web users will NOT be notified the" \
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"server is down.--\e[0m" >> $logFile
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echo -e "Script will continue processing..." >> $logFile
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fi
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fi
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## Put NextCloud in maintenance mode
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ncMaint on
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# check if it was successful
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if [ "$maintResult" = "0" ]; then
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echo -e "\e[0;36m...done\e[0m" >> $logFile
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else
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cleanUp 503
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quit 500
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fi
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## Read sqlDetails file and extract necessary information
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mapfile -t sqlParams < $sqlDetails
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## Dump SQL
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echo -e "\e[1;36m[`date +%Y-%m-%d` `date +%H:%M:%S`]" \
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"Dumping SQL...\e[0m" >> $logFileVerbose
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mysqldump --single-transaction -h${sqlParams[0]} -u${sqlParams[1]} \
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-p${sqlParams[2]} ${sqlParams[3]} > "$sqlDumpDir/$sqlDumpFile" \
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2>> $logFileVerbose
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dumpResult="$?"
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# verify
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if [ "$dumpResult" = "0" ]; then
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echo -e "\e[0;36m...done\e[0m" >> $logFileVerbose
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else
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quit 200
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fi
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## Ready for Borg
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echo -e "\e[1;39m[`date +%Y-%m-%d` `date +%H:%M:%S`] Pre-backup tasks" \
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"completed... calling BorgBackup" >> $logFile
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## Generate and export variables required for BorgBackup
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export BORG_BASE_DIR="$borgBaseDir"
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export BORG_REMOTE_PATH="$borgRemotePath"
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export BORG_RSH="ssh -i $borgRemoteSSHKeyfile"
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export BORG_REPO="$(head -1 $borgDetails)"
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export BORG_PASSPHRASE="$(tail -1 $borgDetails)"
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## Process borgXtraFiles into array variable
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mapfile -t xtraFiles < $borgXtraFiles
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## Call BorgBackup
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borg --show-rc create ${borgCreateParams} --exclude-from $borgExcludeFiles \
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--checkpoint-interval $borgCheckpoint ::`date +%Y-%m-%d_%H%M%S` \
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"${xtraFiles[@]}" \
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"$ncdata" \
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|
"$sqlDumpDir/$sqlDumpFile" >> $logFile 2>&1
|
|
|
|
borgCreateResult=$(echo "$?")
|
|
|
|
# Report BorgBackup exit status
|
|
if [ "$borgCreateResult" = "0" ]; then
|
|
echo -e "\e[1;32m[`date +%Y-%m-%d` `date +%H:%M:%S`] --SUCCESS--" \
|
|
"BorgBackup completed successfully.\e[0m" >> $logFile
|
|
elif [ "$borgCreateResult" = "1" ]; then
|
|
echo -e "\e[1;33m[`date +%Y-%m-%d` `date +%H:%M:%S`] --WARNING--" \
|
|
"BorgBackup completed with WARNINGS." >> $logFile
|
|
echo -e "--WARNING-- Please check Borg's output.\e[0m" >> $logFile
|
|
exitWarning+=('301')
|
|
else
|
|
echo -e "\e[1;31m[`date +%Y-%m-%d` `date +%H:%M:%S`] --ERROR--" \
|
|
"BorgBackup encountered a serious ERROR." >> $logFile
|
|
echo -e "--ERROR-- Please check Borg's output.\e[0m" >> $logFile
|
|
# This is critical, but we still have to cleanup, so note a warning
|
|
# instead of abort with error
|
|
exitWarning+=('300')
|
|
fi
|
|
|
|
## Have BorgBackup prune the repo to remove old archives
|
|
borg --show-rc prune -v ${borgPruneParams} ${borgPrune} :: >> $logFile 2>&1
|
|
|
|
borgPruneResult=$(echo "$?")
|
|
|
|
# Report BorgBackup exit status
|
|
if [ "$borgPruneResult" = "0" ]; then
|
|
echo -e "\e[1;32m[`date +%Y-%m-%d` `date +%H:%M:%S`] --SUCCESS--" \
|
|
"BorgBackup PRUNE operation completed successfully.\e[0m" >> $logFile
|
|
elif [ "$borgPruneResult" = "1" ]; then
|
|
echo -e "\e[1;33m[`date +%Y-%m-%d` `date +%H:%M:%S`] --WARNING--" \
|
|
"BorgBackup PRUNE operation completed with WARNINGS." >> $logFile
|
|
echo -e "--WARNING-- Please check Borg's output.\e[0m" >> $logFile
|
|
exitWarning+=('311')
|
|
else
|
|
echo -e "\e[1;31m[`date +%Y-%m-%d` `date +%H:%M:%S`] --ERROR--" \
|
|
"BorgBackup PRUNE operation encountered a serious ERROR." >> $logFile
|
|
echo -e "--ERROR-- Please check Borg's output.\e[0m" >> $logFile
|
|
exitWarning+=('310')
|
|
fi
|
|
|
|
|
|
## Put NextCloud back into operational mode
|
|
echo -e "\e[1;36m[`date +%Y-%m-%d` `date +%H:%M:%S`] Taking NextCloud" \
|
|
"out of maintenance mode...\e[0m" >> $logFile
|
|
sudo -u ${webUser} php ${ncroot}/occ maintenance:mode --off >> $logFile 2>&1
|
|
|
|
maintResult="$?"
|
|
|
|
# verify but continue if problems since we need to cleanup before exiting
|
|
if [ "$maintResult" = "0" ]; then
|
|
echo -e "\e[0;36m...done\e[0m" >> $logFile
|
|
else
|
|
echo -e "\e[1;31m--WARNING-- There was a problem taking NextCloud" \
|
|
"out of maintenance mode. This MUST be done manually before" \
|
|
"NextCloud can be used." >> $logFile
|
|
exitWarning+=('501')
|
|
fi
|
|
|
|
## Remove 503 error page from webroot so NGINX serves web clients again
|
|
echo -e "\e[1;36m[`date +%Y-%m-%d` `date +%H:%M:%S`] Removing 503 error page" \
|
|
"from webroot...\e[0m" | tee -a $logFileVerbose $logFileNormal > /dev/null
|
|
rm -f "$webroot/$err503FileName" 2>&1 | tee -a $logFileVerbose $logFileNormal \
|
|
> /dev/null
|
|
# verify actually removed
|
|
checkExist find null "$webroot/$err503FileName"
|
|
checkResult="$?"
|
|
if [ "$checkResult" = "5" ]; then
|
|
echo -e "\e[0;36m...done\e[0m" | tee -a $logFileVerbose $logFileNormal \
|
|
> /dev/null
|
|
else
|
|
echo -e "\e[1;33m[`date +%Y-%m-%d` `date +%H:%M:%S`] --WARNING:" \
|
|
"Problem encountered removing 503 error page from webroot." \
|
|
"Manually remove this file or NGINX will not serve web" \
|
|
"clients.--" >> $logFile
|
|
echo -e "Script will continue processing..." >> $logFileVerbose
|
|
exitWarning+=('103')
|
|
fi
|
|
|
|
## Remove sqlDump file
|
|
echo -e "\e[1;36m[`date +%Y-%m-%d` `date +%H:%M:%S`] Removing sqlDump" \
|
|
"file...\e[0m" >> $logFileVerbose
|
|
rm -f "$sqlDumpDir/$sqlDumpFile" >> $logFile 2>&1
|
|
# verify actually removed
|
|
checkExist find null "$sqlDumpDir/$sqlDumpFile"
|
|
checkResult="$?"
|
|
if [ "$checkResult" = "5" ]; then
|
|
echo -e "\e[0;36m...done\e[0m" >> $logFileVerbose
|
|
else
|
|
echo -e "\e[1;33m[`date +%Y-%m-%d` `date +%H:%M:%S`] --WARNING:" \
|
|
"Error removing sqldump file. Please remove manually.\e[0m--" >> $logFileVerbose
|
|
echo -e "Script will continue processing..." >> $logFileVerbose
|
|
exitWarning+=('103')
|
|
fi
|
|
|
|
|
|
## Log completion of script
|
|
if [ ${#exitWarning[@]} -gt 0 ]; then
|
|
quit 101 warn
|
|
elif [ ${#exitError[@]} -gt 0 ]; then
|
|
quit 100 error
|
|
else
|
|
quit
|
|
fi
|
|
|
|
# end of script -- this exit should not be necessary
|
|
exit 999 |