stub of cloud restore script and example of a cloud backup configuration.

test/scripts/cloud_restore.sh

@@ -0,0 +1,117 @@
+#!/bin/bash
+## Restores the cloud configuration, data and database from backup done with cloud_backup.
+
+# Log levels for messages
+LLMute=0
+LLMdtry=1  # mandatory: messages that are always written to the log (except mute)
+LLError=2
+LLWarning=3
+LLInfo=4
+LLDebug=5
+## Actual log level of the logger used
+Log_Level=$LLDebug
+
+## base name of the logging script.
+Log_Name="${0##*/}";
+
+## Write log of the script.
+## $1 Loglevel to log the message with.
+## $2 message to log.
+function logger() {
+	local _logging_level=$1;
+	local _log_message=$2;
+	if [[ $Log_Level -lt $_logging_level ]]; then
+		return;
+	fi
+	local _now=$($DATE +%Y%m%d_%H:%M:%S);
+	if [[ $_logging_level -eq $LLInfo ]]; then
+		_type=" Info:";
+	elif [[ $_logging_level -eq $LLError ]]; then
+		_type=" ERROR!";
+	elif [[ $_logging_level -eq $LLWarning ]]; then
+		_type=" Warning:";
+	elif [[ $_logging_level -eq $LLDebug ]]; then
+		_type=" DEBUG:";
+	else
+		_type=":";
+	fi
+	printf "$Log_Name ${_now}${_type} ${_log_message}\n" >> $Log_File;
+	if [[ $Log_Level -eq $LLDebug ]]; then
+		printf "${_now}${_type} ${_log_message}\n";
+	fi
+}
+
+## Cleanup and exit with exit value given.
+function clean_up() {
+	local _exit_val=$1;
+	logger $LLInfo "Cleaning up on exit $_exit_val.";
+	
+	
+	logger $LLMdtry "Exiting on $_exit_val.";
+	exit $_exit_val;
+}
+
+## Returns the binaries full path if existent.
+function which_is() {
+	declare -n _ret_val=$1;  # declare RETVAL a reference of $1
+	local _executable=$2;
+	local _with_full_path=$(which ${_executable} 2>/dev/null);
+	if [ -x "$_with_full_path" ]; then
+		_ret_val="$_with_full_path";
+		return 0;
+	else
+		_ret_val="$_executable not found!";
+		return 1;
+	fi
+}
+
+function create_folders() {
+	logger $LLDebug "CONFIG_NC_DATA: mkdir -p $CONFIG_NC_DATA";
+	if [[ ! -n "$CONFIG_NC_DATA"  ]]; then clean_up 1; fi
+	mkdir -p "$CONFIG_NC_DATA";  # Path to nextclouds data folder
+
+	logger $LLDebug "CONFIG_NC_BASE: mkdir -p $CONFIG_NC_BASE";
+	if [[ ! -n "$CONFIG_NC_BASE"  ]]; then clean_up 1; fi
+	mkdir -p "$CONFIG_NC_BASE";  # Path to the web root of the nextcloud
+
+	for _source in "$BACKUP_SOURCES"; do
+		logger $LLDebug "BACKUP_SOURCES: mkdir -p $_source";
+		mkdir -p "$_source";
+	done;
+
+	logger $LLDebug "BACKUP_TARGET: mkdir -p $BACKUP_TARGET";
+	if [[ ! -n "$BACKUP_TARGET"  ]]; then clean_up 1; fi
+	mkdir -p "$BACKUP_TARGET";  # target folder on the backup server
+}
+
+
+CONFIG_NC_DB_SERVER=localhost  # Host of the database
+# Name of the nextcloud database
+CONFIG_NC_DB_NAME=nextclouddb
+# User for the nextcloud datbase
+CONFIG_NC_DB_USER=nextclouduser
+# Target server for backup
+TOSSH=
+# port to use for ssh/rsync
+SSHPORT=10110
+# User for the backup server
+SSHUSER="cloudbackup"
+
+which_is DATE 'date';
+if [ $? -ne 0 ]; then echo $DATE; exit 1; fi
+
+## Logfile in nextcloud to have a visible result.
+Run_Date=$($DATE +%Y_%m_%d)
+Log_File="/tmp/${Run_Date}_cloudrestore.log";
+
+if [[ ! -f "./cloud_backup.conf" ]]; then
+	clean_up 1;
+fi
+
+source ./cloud_backup.conf
+create_folders;
+if [[ $? -ne 0 ]]; then
+	clean_up 1;
+fi
+
+clean_up 0;