setup.sh

   1 #!/bin/bash
   2
   3 #
   4 # Bash script an easy setup of NextcloudBackup.sh and NextcloudRestore.sh
   5 #
   6 # Version 2.3.3
   7 #
   8 # Usage:
   9 #       - call the setup.sh script
  10 #   - Enter the required information
  11 #   - You NextcloudBackup.sh and NextcloudRestore.sh scripts will be tailored to match you installation.
  12 #
  13 # The script is based on an installation of Nextcloud using nginx and MariaDB, see https://decatec.de/home-server/nextcloud-auf-ubuntu-server-18-04-lts-mit-nginx-mariadb-php-lets-encrypt-redis-und-fail2ban/
  14 #
  15
  16 #
  17 # IMPORTANT
  18 # The setup.sh script automated the configuration for the backup/restore scripts.
  19 # However, you should always check the backup/restore scripts BEFORE executing these!
  20 #
  21
  22 # Make sure the script exits when any command fails
  23 set -Eeuo pipefail
  24
  25 #
  26 # Pre defined variables
  27 #
  28 backupMainDir='/media/hdd/nextcloud_backup'
  29 nextcloudFileDir='/var/www/nextcloud'
  30 webserverUser='www-data'
  31 webserverServiceName='nginx'
  32
  33 #
  34 # Gather information
  35 #
  36 clear
  37
  38 echo "Enter the directory to which the backups should be saved."
  39 echo "Default: ${backupMainDir}"
  40 echo ""
  41 read -p "Enter a directory or press ENTER if the backup directory should be ${backupMainDir}: " BACKUPMAINDIR
  42
  43 [ -z "$BACKUPMAINDIR" ] ||  backupMainDir=$BACKUPMAINDIR
  44 clear
  45
  46 echo "Enter the path to the Nextcloud file directory."
  47 echo "Usually: ${nextcloudFileDir}"
  48 echo ""
  49 read -p "Enter a directory or press ENTER if the file directory is ${nextcloudFileDir}: " NEXTCLOUDFILEDIRECTORY
  50
  51 [ -z "$NEXTCLOUDFILEDIRECTORY" ] ||  nextcloudFileDir=$NEXTCLOUDFILEDIRECTORY
  52 clear
  53
  54 echo "Enter the webserver user."
  55 echo "Usually: ${webserverUser}"
  56 echo ""
  57 read -p "Enter an new user or press ENTER if the webserver user is ${webserverUser}: " WEBSERVERUSER
  58
  59 [ -z "$WEBSERVERUSER" ] ||  webserverUser=$WEBSERVERUSER
  60 clear
  61
  62 echo "Enter the webserver service name."
  63 echo "Usually: nginx or apache2"
  64 echo ""
  65 read -p "Enter an new webserver service name or press ENTER if the webserver service name is ${webserverServiceName}: " WEBSERVERSERVICENAME
  66
  67 [ -z "$WEBSERVERSERVICENAME" ] ||  webserverServiceName=$WEBSERVERSERVICENAME
  68 clear
  69
  70 echo "Backup directory: ${backupMainDir}"
  71 echo "Nextcloud file directory: ${nextcloudFileDir}"
  72 echo "Webserver user: ${webserverUser}"
  73 echo "Webserver service name: ${webserverServiceName}"
  74 echo ""
  75 read -p "Is the information correct? [y/N] " CORRECTINFO
  76
  77 if [ "$CORRECTINFO" != 'y' ] ; then
  78   echo "ABORTING!"
  79   echo "No file has been altered."
  80   exit 1
  81 fi
  82
  83 function occ_get() {
  84         sudo -u "${webserverUser}" php ${nextcloudFileDir}/occ config:system:get "$1"
  85 }
  86
  87 # Make test call to OCC
  88 occ_get datadirectory
  89
  90 if [ $? -ne 0 ]; then
  91     echo "Error calling OCC: Please check if the information provided was correct."
  92     echo "ABORTING!"
  93         echo "No file has been altered."
  94         exit 1
  95 fi
  96
  97 #
  98 # Read data from OCC and write to backup/restore scripts.
  99 #
 100
 101 echo ""
 102 echo ""
 103 echo "Modifying NextcloudBackup.sh and NextcloudRestore.sh to match your installation..."
 104 echo ""
 105
 106 # Backup main dir
 107 sed -i "s@^\tbackupMainDir='/media/hdd/nextcloud_backup'@\tbackupMainDir='$backupMainDir'@" ./NextcloudBackup.sh
 108 sed -i "s@^\tbackupMainDir='/media/hdd/nextcloud_backup'@\tbackupMainDir='$backupMainDir'@" ./NextcloudRestore.sh
 109
 110 # Nextcloud file dir
 111 sed -i "s@^nextcloudFileDir.*@nextcloudFileDir='$nextcloudFileDir'@" ./NextcloudBackup.sh
 112 sed -i "s@^nextcloudFileDir.*@nextcloudFileDir='$nextcloudFileDir'@" ./NextcloudRestore.sh
 113
 114 # Nextcloud data dir
 115 nextcloudDataDir=$(occ_get datadirectory)
 116
 117 sed -i "s@^nextcloudDataDir=.*@nextcloudDataDir='$nextcloudDataDir'@" ./NextcloudBackup.sh
 118 sed -i "s@^nextcloudDataDir=.*@nextcloudDataDir='$nextcloudDataDir'@" ./NextcloudRestore.sh
 119
 120 # Webserver service name
 121 sed -i "s/^webserverServiceName.*/webserverServiceName='$webserverServiceName'/" ./NextcloudBackup.sh
 122 sed -i "s/^webserverServiceName.*/webserverServiceName='$webserverServiceName'/" ./NextcloudRestore.sh
 123
 124 # Webserver user
 125 sed -i "s/^webserverUser.*/webserverUser='$webserverUser'/" ./NextcloudBackup.sh
 126 sed -i "s/^webserverUser.*/webserverUser='$webserverUser'/" ./NextcloudRestore.sh
 127
 128 # Database system
 129 databaseSystem=$(occ_get dbtype)
 130
 131 # PostgreSQL is identified as pgsql
 132 if [ "${databaseSystem,,}" = "pgsql" ]; then
 133   databaseSystem='postgresql';
 134 fi
 135
 136 sed -i "s/^databaseSystem.*/databaseSystem='$databaseSystem'/" ./NextcloudBackup.sh
 137 sed -i "s/^databaseSystem.*/databaseSystem='$databaseSystem'/" ./NextcloudRestore.sh
 138
 139 # Database
 140 nextcloudDatabase=$(occ_get dbname)
 141
 142 sed -i "s/^nextcloudDatabase.*/nextcloudDatabase='$nextcloudDatabase'/" ./NextcloudBackup.sh
 143 sed -i "s/^nextcloudDatabase.*/nextcloudDatabase='$nextcloudDatabase'/" ./NextcloudRestore.sh
 144
 145 # Database user
 146 dbUser=$(occ_get dbuser)
 147
 148 sed -i "s/^dbUser.*/dbUser='$dbUser'/" ./NextcloudBackup.sh
 149 sed -i "s/^dbUser.*/dbUser='$dbUser'/" ./NextcloudRestore.sh
 150
 151 # Database password
 152 dbPassword=$(occ_get dbpassword)
 153
 154 sed -i "s/^dbPassword.*/dbPassword='$dbPassword'/" ./NextcloudBackup.sh
 155 sed -i "s/^dbPassword.*/dbPassword='$dbPassword'/" ./NextcloudRestore.sh
 156
 157 echo ""
 158 echo "Done!"
 159 echo ""
 160 echo ""
 161 echo "IMPORTANT: Please check NextcloudBackup.sh and NextcloudRestore.sh if all variables were set correctly BEFORE running these scripts!"
 162 echo ""
 163 echo "When using pigz compression, you also have to install pigz (e.g. for Debian/Ubuntu: apt install pigz)"
 164 echo ""
 165 echo ""