# HG changeset patch
# User Goffi <goffi@goffi.org>
# Date 1455816851 -3600
# Node ID 53a579906c32b631f9fc399181d62ee33c021461
# Parent  f5067e3112ba10c05cd34b5cbfccb3bb0d99aaf6
docker(libervia_cont): added a "restore" command

diff -r f5067e3112ba -r 53a579906c32 docker/libervia_cont.sh
--- a/docker/libervia_cont.sh	Thu Feb 18 17:35:07 2016 +0100
+++ b/docker/libervia_cont.sh	Thu Feb 18 18:34:11 2016 +0100
@@ -45,7 +45,7 @@
 
 DOCKER_EXE="docker"
 
-USAGE="Usage: $0 [start|stop|restart|update|backup|ports|config] [ARGS...]"
+USAGE="Usage: $0 [start|stop|restart|update|backup|restore|ports|config] [ARGS...]"
 
 HELP_SITE="http://wiki.goffi.org/wiki/Docker/en"
 HELP_MUC="sat@chat.jabberfr.org"
@@ -184,6 +184,7 @@
         restart) CMD=RESTART;;
         update) CMD=UPDATE;;
         backup) CMD=BACKUP;;
+        restore) CMD=RESTORE;;
         ports) CMD=PORTS;;
         config) CMD=CONFIG;;
         -v|--version) printf "$VERSION\n"; exit 0;;
@@ -257,10 +258,10 @@
         done
         printf "\n"
         ;;
-	RESTART)
-		printf "restarting containers...\n"
-		"$0" stop && "$0" start "$@"
-		;;
+    RESTART)
+        printf "restarting containers...\n"
+        "$0" stop && "$0" start "$@"
+        ;;
     UPDATE)
         printf "updating images...\n"
         errors=0
@@ -290,6 +291,34 @@
             exit 1
         fi
         ;;
+    RESTORE)
+        if [ $# -ne 1 ]; then
+            printf "syntaxe is $0 restore [backup_file.tar.gz]\n"
+            exit 1
+        fi
+        docker run --name $VOLUME_ALIAS $VOLUME_CONT > /dev/null 2>&1
+        if [ $? -ne 0 ]; then
+            printf "Can't create $VOLUME_ALIAS container.\n\
+If you have an existing one, please remove it with \"docker rm $VOLUME_ALIAS\" (/!\\ it will remove *ALL* your data)\n\n\
+Hint: you can commit your container to avoid risk with \"docker commit $VOLUME_ALIAS your_committed_image_name\"\n\
+      you can also rename your current data container with \"docker rename $VOLUME_ALIAS new_container_name\"\n"
+            exit 1
+        fi
+
+        printf "restoring $1 to $VOLUME_ALIAS container\n\n"
+        HOST_BACKUP_DIR="$(dirname "$1")"
+        if [ $HOST_BACKUP_DIR = "." ]; then
+			# workaround for a Docker bug (container crash if "." is used)
+            HOST_BACKUP_DIR=$(pwd)
+        fi
+        docker run --rm $DK_VOLUME -v "$HOST_BACKUP_DIR:/backup" debian:jessie tar zxvf "/backup/$1" -C / -h volumes
+        if [ $? -eq 0 ]; then
+            printf "\nRestore finished\n"
+        else
+            printf "\nRestore Error !\n"
+            exit 1
+        fi
+        ;;
     PORTS)
         list_ports
         ;;