fix offline prepare scripts (#11962)

fix offline prepare scripts

contrib/offline/manage-offline-container-images.sh

@@ -36,7 +36,7 @@ function create_container_image_tar() {
 	mkdir  ${IMAGE_DIR}
 	cd     ${IMAGE_DIR}
 
-	sudo ${runtime} pull registry:latest
+	sudo --preserve-env=http_proxy,https_proxy,no_proxy ${runtime} pull registry:latest
 	sudo ${runtime} save -o registry-latest.tar registry:latest
 
 	while read -r image
@@ -45,7 +45,7 @@ function create_container_image_tar() {
 		set +e
 		for step in $(seq 1 ${RETRY_COUNT})
 		do
-			sudo ${runtime} pull ${image}
+			sudo --preserve-env=http_proxy,https_proxy,no_proxy ${runtime} pull ${image}
 			if [ $? -eq 0 ]; then
 				break
 			fi

contrib/offline/manage-offline-files.sh

@@ -41,7 +41,7 @@ fi
 
 sudo "${runtime}" container inspect nginx >/dev/null 2>&1
 if [ $? -ne 0 ]; then
-    sudo "${runtime}" run \
+    sudo --preserve-env=http_proxy,https_proxy,no_proxy "${runtime}" run \
         --restart=always -d -p ${NGINX_PORT}:80 \
         --volume "${OFFLINE_FILES_DIR}":/usr/share/nginx/html/download \
         --volume "${CURRENT_DIR}"/nginx.conf:/etc/nginx/nginx.conf \