add function backup some images from vm 20.05.2022:18.21

kvm-snapshot-dd.sh

@@ -1,21 +1,18 @@
 #!/bin/bash
-# The script is designed to create or restore an image of a virtual machine kvm (c) 2018
+# The script is designed to create or restore an image of a virtual machine kvm (c) 2022
 # author Koshuba V.O.
 # license: MIT
-# version: 5.0.2
+# version: 5.1.0
 ##
 
 #<manual_parameters>
-path_kvm=(	"/kvm/vm1"
-	        "/kvm/vm2" );			# path kvm machines
-path_bak=(	"/backup/kvm/vm1" 
-		"/backup/kvm/vm2"  );		# path backup kvm machines
-img_dev=(	"sda.img"
-		"sda.img" );			# storage kvm
+path_kvm=(	"/kvm/vm1" "/kvm/vm2" );			# path kvm machines
+path_bak=(	"/backup/kvm/vm1" "/backup/kvm/vm2"  );		# path backup kvm machines
+img_dev=(	'"sda.img"' '"sda.img" "sdb.img"'  )		# storage kvm (vm1 - sda.img; vm2 - sda.img,sdb.img)
 #</manual_parameters>
 
 #<script_value>
-version="5.0.2";
+version="5.1.0";
 owner="(c) script by Koshuba V.O. 2021";
 msg_dat=( '"Script to save or restore the image KVM" "Скрипт сохранения или восстановления образа KVM"'
           '"MAIN MENU" "ГЛАВНОЕ МЕНЮ"'
@@ -357,30 +354,43 @@ done
 
 function saveKvm() {
 local save_kvm="${path_kvm[$set_kvm]}";
-local save_bak="${path_bak[$set_kvm]}/$rdate";
-local save_img=$(echo "${img_dev[$set_kvm]}"|sed 's/\./ /g'|awk '{print$1}');
-local set_loop_main="$(losetup -f|grep -v loop-control|sed 's/\/\dev\///g')";
-losetup /dev/$set_loop_main $save_kvm/$save_img.img;
+local save_bak="${path_bak[$set_kvm]}/$rdate"
+eval set_images="(" ${img_dev[$set_kvm]} ")";
 
-if [[ ! -d $save_bak ]];
-    then
-    mkdir -p $save_bak;
-fi
+for ((step_i=0; step_i != ${#set_images[@]}; step_i++))
+ do
+    local save_img=$(echo "${set_images[$step_i]}"|sed 's/\./ /g'|awk '{print$1}');
+    local set_loop_main="$(losetup -f|grep -v loop-control|sed 's/\/\dev\///g')";
+    losetup /dev/$set_loop_main $save_kvm/$save_img.img;
+
+    if [[ ! -d $save_bak ]];
+	then
+	mkdir -p $save_bak;
+    fi
+
+    sfdisk -d /dev/$set_loop_main >$save_bak/$save_img-info_sfdisk.txt;
+    sfdisk -l /dev/$set_loop_main >$save_bak/$save_img-info_disk.txt;
+    dd if=/dev/$set_loop_main status=progress |pigz -p4 -M -c9>$save_bak/$save_img-dd.img.gz;
+    losetup -d /dev/$set_loop_main;
+done
 
-sfdisk -d /dev/$set_loop_main >$save_bak/info_sfdisk.txt;
-sfdisk -l /dev/$set_loop_main >$save_bak/info_disk.txt;
-dd if=/dev/$set_loop_main status=progress |pigz -p4 -M -c9>$save_bak/$save_img-dd.img.gz;
-losetup -d /dev/$set_loop_main;
 }
 
 function restoreKvm() {
 local rest_kvm="${path_kvm[$set_kvm]}";
-local rest_bak="${path_bak[$set_kvm]}/$set_img";
-local rest_img=$(echo "${img_dev[$set_kvm]}"|sed 's/\./ /g'|awk '{print$1}');
-local set_loop_rmain="$(losetup -f|grep -v loop-control|sed 's/\/\dev\///g')";
-losetup /dev/$set_loop_rmain $rest_kvm/$rest_img.img;
-pigz -p4 -c -d -M $rest_bak/$rest_img-dd.img.gz|dd of=/dev/$set_loop_rmain status=progress;
-losetup -d /dev/$set_loop_rmain;
+local rest_path="${path_bak[$set_kvm]}/$set_img";
+eval set_reimages="(" ${img_dev[$set_kvm]} ")";
+##
+for ((step_i=0; step_i != ${#set_reimages[@]}; step_i++))
+ do
+    
+    local rest_img=$(echo "${set_reimages[$step_i]}"|sed 's/\./ /g'|awk '{print$1}');
+    local rest_bak="$rest_path/$rest_img-dd.img.gz";
+    local set_loop_rmain="$(losetup -f|grep -v loop-control|sed 's/\/\dev\///g')";
+    losetup /dev/$set_loop_rmain $rest_kvm/$rest_img.img;
+	pigz -p4 -c -d -M $rest_bak|dd of=/dev/$set_loop_rmain status=progress;
+    losetup -d /dev/$set_loop_rmain;
+done
 }
 
 #</functions>