From c4383dd07a6fc6e08ede862aaa0ca8d4ef34e9d7 Mon Sep 17 00:00:00 2001
From: OWarneke <owarneke@phoenixcontact.com>
Date: Mon, 31 Jan 2022 11:31:03 +0100
Subject: [PATCH] Adding Option to store Containers as images.

---
 Backup/backupSD.sh       | 56 ++++++++++++++++++++++++++++++++++------
 Backup/backupSettings.sh |  5 +++-
 Backup/restoreBackup.sh  | 26 ++++++++++++++++++-
 3 files changed, 77 insertions(+), 10 deletions(-)

diff --git a/Backup/backupSD.sh b/Backup/backupSD.sh
index a6f4f6d..65fc9d7 100644
--- a/Backup/backupSD.sh
+++ b/Backup/backupSD.sh
@@ -32,6 +32,7 @@ PS3="Select your choice: "
 options=("Upperdir" \
 "PCWE Project only" \
 "Directories specified by backupSettings.sh" \
+"Containers" \
 "Continue" \
 "Exit")
 select opt in "${options[@]}"
@@ -58,12 +59,7 @@ do
         #         STORE="Everything"
         #         echo "STORE = $STORE"         
         # ;;
-
-        # "Containers")
-        #         STORE="Everything"
-        #         echo "STORE = $STORE"         
-        # ;;
-
+        
         "Continue")
                 if [ "$STORE" == "" ]; then
                         echo "STORE = $STORE empty Exit Script"   
@@ -83,7 +79,15 @@ done
 
 echo 'Do you wish to add stored licenses and PLC device data to this backup?'
 PS3="Select your choice: "
-options=("Don't Store Licence" "Store Licence" "Don't Store DeviceData" "Store DeviceData" "Continue" "Exit")
+options=("Don't Store Licence" 
+"Store Licence" 
+"Don't Store DeviceData" 
+"Store DeviceData" 
+"Don't Store Containers"
+"Store Containers"
+"Continue" 
+"Exit" 
+)
 select opt in "${options[@]}"
 do
     case $opt in
@@ -103,15 +107,29 @@ do
                 STORE_DEVICEDATA=true
                 echo "STORE_DEVICEDATA = $STORE_DEVICEDATA"            
         ;;
+        "Store Containers")
+                STORE_CONTAINER=true
+                echo "STORE = $STORE"         
+         ;;
+        "Dont Store Containers")
+                STORE_CONTAINER=false
+                echo "STORE = $STORE"         
+         ;;
         "Continue")
                 if [ "$STORE_LICENCE" == "" ]; then
                         echo "STORE_LICENCE = $STORE_LICENCE empty. Exit Script."   
                 exit 1
                 fi
+
                 if [ "$STORE_DEVICEDATA" == "" ]; then
                         echo "STORE_DEVICEDATA = $STORE_DEVICEDATA empty. Exit Script."   
                 exit 1
                 fi
+
+                if [ "$STORE_CONTAINER" == "" ]; then
+                        echo "STORE_DEVICEDATA = $STORE_CONTAINER empty. Exit Script."   
+                exit 1
+                fi
                 break
         ;;        
         "Exit")               
@@ -143,9 +161,11 @@ then
         
         echo "STORE = $STORE" 
         case "$STORE" in
-        "Upperdir")                                                      
+        "Upperdir")
+                echo "Storing Upperdir"                                                      
                 tar -rpf ${StoreBackupAt}/backup-${DATE}.tar -C ${DATAPATH} upperdir && echo "Done"  
         ;;
+        
         "Changes")
                 echo -e "Store specified folders only:"
                 (set -o posix ; set) | grep "STORE" | grep "true"           
@@ -252,6 +272,26 @@ if $STORE_LICENCE; then
         fi
 fi
 
+if $STORE_CONTAINER; then             
+        echo "Storing Containers"
+        ## Get a list of all containers
+        CONTAINERS=($(podman container ls -aq))
+        mkdir ${DATAPATH}Containers
+        # Export Containers and add them to the backup.tar
+        for CONTAINER in "${CONTAINERS[@]}"
+        do
+                echo "Storing Container:$CONTAINER"
+                echo "This just saves the current state of the Container as an Image!"
+                echo "You still need to Setup the Container again when restoring this backup"
+                echo "podman run -v XX -p xxx ... "
+                ## Need to stop continers?                        
+                $CONTAINER_ENGINE export $CONTAINER --output "${DATAPATH}/Containers/$CONTAINER.tar"
+                tar -rpf ${StoreBackupAt}/backup-${DATE}.tar -C ${DATAPATH} "Containers/$CONTAINER.tar"
+                rm "${DATAPATH}/Containers/$CONTAINER.tar"
+        done && echo "Done"                
+        ;;
+fi
+
 if [ -f "${StoreBackupAt}/backup-${DATE}.tar" ]; then
         chown admin:plcnext ${StoreBackupAt}/backup-*.tar
         echo "Contents of Backup:"
diff --git a/Backup/backupSettings.sh b/Backup/backupSettings.sh
index ff8fda6..e56599b 100644
--- a/Backup/backupSettings.sh
+++ b/Backup/backupSettings.sh
@@ -50,4 +50,7 @@ STORE_ALL_CONFIG=false # Whole config directory
 CONFIG="upperdir/opt/plcnext/config"
 
 STORE_ALL_DATA=false # this directory holds mostly session dependend data like PIDs, FW update Status etc.
-DATA="upperdir/opt/plcnext/data"            
\ No newline at end of file
+DATA="upperdir/opt/plcnext/data"
+
+STORE_CONTAINER=false
+CONTAINER_ENGINE=podman
\ No newline at end of file
diff --git a/Backup/restoreBackup.sh b/Backup/restoreBackup.sh
index 46945dc..87d6407 100644
--- a/Backup/restoreBackup.sh
+++ b/Backup/restoreBackup.sh
@@ -9,6 +9,10 @@ CURRENT=$(pwd)
 TargetDirectory="$1"
 BackupLocation="$2"
 
+SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )"
+## Set the directories for the backup
+. ${SCRIPT_DIR}/../Backup/backupSettings.sh
+
 if [ "$1" == "" ]; then
     echo "please add backup location as argument"
     echo "Example: 
@@ -26,7 +30,12 @@ tar -tvf "${BackupLocation}"
 
 echo 'Choose all the directories you wish to restore.'
 PS3="Select your choice: "
-options=("SD Licence" "DeviceData" "PCWE" "Upperdir" "Exit")
+options=("SD Licence" \
+"DeviceData" \
+"PCWE" \
+"Upperdir" \
+"Containers" \
+"Exit")
 select opt in "${options[@]}"
 do
     case $opt in
@@ -82,6 +91,21 @@ do
             tar --same-owner -xvf "${BackupLocation}" -C "$TargetDirectory" upperdir && echo "Done restoring Upperdir"     
         ;;
 
+        "Containers")
+            echo "Restoring Containers"
+            echo "This just restores the current state of the saved Container as an Image!"
+            echo "You still need to Setup the Container again after restoring this backup"
+            echo "podman run -v XX -p xxx ... "
+            tar --same-owner -xvf "${BackupLocation}" -C "$TargetDirectory" Containers && echo "Done restoring Container.tar"
+            CONTAINERS=($(ls $TargetDirectory/Containers))
+            for CONTAINER in "${CONTAINERS[@]}"
+            do
+                echo "Importing $CONTAINER"
+                $CONTAINER_ENGINE import $TargetDirectory/Containers/$CONTAINER  
+                rm $TargetDirectory/Containers/$CONTAINER                 
+            done && echo "Done"
+        ;;
+
         "Exit")               
             exit 1        
             break