TUBS - V2

.gitignore

@@ -1 +1,2 @@
-OSS-Editing/Tests/*/*
+OSS-Editing/Tests/*/*
+TEST/*/*

tubs.config

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+DATE_FORMAT="+%Y-%m-%d_%H-%M"
+BACKUP_SRC_ARRAY=("/home/janic/workspace/TUBS/TEST/SRC1" "/home/janic/workspace/TUBS/TEST/SRC2" "/home/janic/workspace/TUBS/TEST/SRC3" "/home/janic/workspace/TUBS/TEST/SRC4")
+BACKUP_DST="/home/janic/workspace/TUBS/TEST/DST"
+BACKUP_PREFIX="backup_"
+RESTORE_PRFIX="restore_"
+RSYNC_ARGS="-azP"
+PRE_BACKUP_SCRIPT=""
+POST_BACKUP_SCRIPT=""

tubs.sh

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+#!/bin/bash
+#============================================================================
+#title          : TUBS
+#description    : The Ultimate Backup Script (Linux) Version 2
+#author         : Janic Voser Xelon
+#date           : 2022-04-08
+#updated        : 2022-04-09
+#version        : 2.0
+#usage          : chmod +x tubs.sh && ./tubs.sh
+#notes          :
+#bash_version   :
+#============================================================================
+
+# Config
+## Configfile
+#CONFIG_FILE=/etc/tubs/config # Any Config File
+CONFIG_FILE="$PWD/tubs.config"
+
+# Functions
+## Colorful Information
+function blue(){ # The blue color is used for inforation
+    echo -e '\e[34m'"$1"'\e[0m'
+}
+function cyan(){ # The cyan color is only used for help
+    echo -e '\e[0;36m'"$1"'\e[0m'
+}
+function green(){ # The green color is used for successful steps
+    echo -e '\e[32m'"$1"'\e[0m'
+}
+function magenta(){ # The magenta color is used for warnings & important Information
+    echo -e '\e[35m'"$1"'\e[0m'
+}
+function red(){ # The red color is used for failed steps
+    echo -e '\e[31m'"$1"'\e[0m' && exit 1
+}
+## Critical Error
+function critical_error {
+    red "Critical error during: $1"
+}
+## Load Config
+function load_config {
+    if [ -e "$CONFIG_FILE" ]
+    then
+        blue "Loading Config"
+        source "$CONFIG_FILE" || critical_error "Reading Configfile"
+    else
+        red "Configfile not Found"
+    fi  
+}
+## Create destination Structure
+function create_dst {
+    mkdir -p "$BACKUP_DST_FULL" || critical_error "Creating Directory BACKUP_DST_FULL"
+    mkdir -p "$BACKUP_DST_INC" || critical_error "Creating Directory BACKUP_DST_INC"
+}
+## Check destination
+function check_dst {
+    if [ -e "$BACKUP_DST" ]
+    then
+        blue "Backup destinantion existing"
+    else
+        red "Backup destination not existing"
+    fi
+    mkdir -p "$BACKUP_DST_INC_PATH" || critical_error "Error while creating incremental backup-directory ($BACKUP_DST_INC_PATH)"
+    mkdir -p "$BACKUP_DST_FULL_LOGS" || critical_error "Error while creating log directory ($BACKUP_DST_FULL_LOGS)"
+}
+## Check sources
+function check_src {
+    for src_dir in "${BACKUP_SRC_ARRAY[@]}"
+    do
+        if [[ "$src_dir" =~ ^*[/] ]]
+        then
+            critical_error "$src_dir is ending with slash please remove it"
+        fi
+        if ! [ -d "$src_dir" ]
+        then
+            critical_error "$src_dir is not a directory"
+        fi
+        green "Source $src_dir is valid"
+    done
+}
+## Check Incremental Date
+function check_inc {
+    if ! [ -e "$BACKUP_LAST_FILE" ]
+    then
+        magenta "Missing last successfull backup file, just using the day before"
+        LAST_BACKUP="$(date --date="yesterday" "$DATE_FORMAT")"
+    else
+        LAST_BACKUP="$(cat "$BACKUP_LAST_FILE")"
+        if ! [[ $LAST_BACKUP =~ ^[0-9]{4}(-[0-9]{2}){2}_[0-9]{2}-[0-9]{2} ]]
+        then
+            magenta "Content of last successfull backup file was not valid"
+            LAST_BACKUP="$(date --date="yesterday" "$DATE_FORMAT")"
+        fi
+    fi
+    BACKUP_DST_INC_PATH="$BACKUP_DST_INC/$BACKUP_PREFIX$LAST_BACKUP"
+}
+## Check Prerequirements
+function check_prereq {
+    command -v rsync &> /dev/null || critical_error "Missing rsync"
+    green "All requirements are saturated"
+}
+## Last successful backup
+function last_backup {
+    if touch "$BACKUP_LAST_FILE" &> /dev/null
+    then
+        echo "$BACKUP_DATE" > "$BACKUP_LAST_FILE"
+    else
+        critical_error "Can not write Last successful backup file"
+    fi
+}
+## Backup all
+function backup_all {
+    blue "Starting Backup Processes"
+    for src_dir in "${BACKUP_SRC_ARRAY[@]}"
+    do
+        src_dir_name="$(echo "$src_dir" | rev | cut -d / -f 1 | rev)"
+        cat << EOF >> "$BACKUP_DST_FULL_LOGS/$src_dir_name.log"
+
+################################################################################
+#############################TUBS $BACKUP_DATE##############################
+################################################################################
+
+EOF
+        rsync "$RSYNC_ARGS" --backup --delete --backup-dir="$BACKUP_DST_INC_PATH/" "$src_dir" "$BACKUP_DST_FULL/$src_dir_name" >> "$BACKUP_DST_FULL_LOGS/$src_dir_name.log" &
+    done
+    green "All backup processes started successfull"
+    blue "Waiting for processes to finish"
+    # wait for all pids
+    jobs=$(jobs -p)
+    for process in $jobs
+    do
+        wait "$process" || critical_error "Process: $process failed"
+    done
+    green "All Processes finished"
+}
+## Pre Backup Script
+function pre_backup_script {
+    if [ -e "$PRE_BACKUP_SCRIPT" ]
+    then
+        if [ -x "$PRE_BACKUP_SCRIPT" ]
+        then
+            blue "Executing Pre-Backup-Script"
+            $PRE_BACKUP_SCRIPT
+            green "Pre-Backup-Script finished"
+        else
+            magenta "Pre-Backup-Script is not executable"
+        fi
+    else
+        blue "No Pre-Backup-Script found"
+    fi
+}
+## Post Backup Script
+function post_backup_script {
+    if [ -e "$POST_BACKUP_SCRIPT" ]
+    then
+        if [ -x "$POST_BACKUP_SCRIPT" ]
+        then
+            blue "Executing Post-Backup-Script"
+            $POST_BACKUP_SCRIPT
+            green "Post-Backup-Script finished"
+        else
+            magenta "Post-Backup-Script is not executable"
+        fi
+    else
+        blue "No Pre-Backup-Script found"
+    fi
+}
+## Generate Variables
+load_config # Load config first (Variables are dependent on it)
+BACKUP_DATE="$(date "$DATE_FORMAT")"
+BACKUP_DST_FULL="$BACKUP_DST/FULL"
+BACKUP_DST_FULL_LOGS="$BACKUP_DST_FULL/logs"
+BACKUP_DST_INC="$BACKUP_DST/INCREMENTAL"
+BACKUP_LAST_FILE="$BACKUP_DST/LAST_SUCCESSFULL_BACKUP"
+
+# Main Script
+## Load config
+if [ -n "$1" ]
+then
+    case "$1" in
+        help)
+            cyan "Execute this script with one of the following arguments"
+            cyan "  - help      --> Display help (your reading it right now)"
+            cyan "  - init      --> Initialize the backup Structure"
+            cyan "  - backup    --> Do the accual backup"
+            cyan "  - restore   --> Restore all the data from a certain day"
+        ;;
+        init)
+            blue "Starting initialisation"
+            create_dst
+            blue "Initialisation was successfull"
+        ;;
+        backup)
+            green "TUBS started"
+            check_inc
+            check_dst
+            check_src
+            check_prereq
+            last_backup
+            pre_backup_script
+            backup_all
+            post_backup_script
+            green "TUBS finished"
+        ;;
+        restore)
+            magenta "I am kinda sorry this is not implemented yet"
+            exit
+        ;;
+        *)
+            red "Your supplied argument was not valid use help if you don't know what you are doing"
+        ;;
+    esac
+    exit
+else
+    cyan "Please supply a valid argument or execute with help flag"
+fi