From 2b43ebe92fc73ce4c208d42e6ee958988e1b18bc Mon Sep 17 00:00:00 2001
From: Dirk Brenken <dev@brenken.org>
Date: Sun, 3 Jun 2018 22:30:59 +0200
Subject: [PATCH] luci-app-lxc: made container creation more reliable

* wait/lock "create" button until the real end of container creation,
  this includes download time plus tar/gz processing time
* cosmetics

Signed-off-by: Dirk Brenken <dev@brenken.org>
---
 .../luci-app-lxc/luasrc/controller/lxc.lua         | 14 +++++++++-----
 applications/luci-app-lxc/luasrc/view/lxc.htm      | 10 +++++-----
 2 files changed, 14 insertions(+), 10 deletions(-)

diff --git a/applications/luci-app-lxc/luasrc/controller/lxc.lua b/applications/luci-app-lxc/luasrc/controller/lxc.lua
index c7fe63f87..8557f2b82 100644
--- a/applications/luci-app-lxc/luasrc/controller/lxc.lua
+++ b/applications/luci-app-lxc/luasrc/controller/lxc.lua
@@ -18,7 +18,7 @@ module("luci.controller.lxc", package.seeall)
 
 local uci  = require "luci.model.uci".cursor()
 local util = require "luci.util"
-local fs   = require "nixio"
+local nx   = require "nixio"
 
 function index()
 	if not nixio.fs.access("/etc/config/lxc") then
@@ -60,8 +60,8 @@ end
 function lxc_create(lxc_name, lxc_template)
 	luci.http.prepare_content("text/plain")
 
-	local check = lxc_get_config_path()
-	if not check then
+	local path = lxc_get_config_path()
+	if not path then
 		return
 	end
 
@@ -80,6 +80,10 @@ function lxc_create(lxc_name, lxc_template)
 			ssl_status
 		}
 	}), src_err)
+
+	while (nx.fs.access(path .. lxc_name .. "/partial")) do
+		nx.nanosleep(1)
+	end
 end
 
 function lxc_action(lxc_action, lxc_name)
@@ -96,7 +100,7 @@ function lxc_get_config_path()
 
 	local ret = content:match('^%s*lxc.lxcpath%s*=%s*([^%s]*)')
 	if ret then
-		if nixio.fs.access(ret) then
+		if nx.fs.access(ret) then
 			local min_space = tonumber(uci:get("lxc", "lxc", "min_space")) or 100000
 			local free_space = tonumber(util.exec("df " ..ret.. " | awk '{if(NR==2)print $4}'"))
 			if free_space and free_space >= min_space then
@@ -150,7 +154,7 @@ function lxc_configuration_set(lxc_name)
 end
 
 function lxc_get_arch_target()
-	local target = fs.uname().machine
+	local target = nx.uname().machine
 	local target_map = {
 		armv5  = "armel",
 		armv6  = "armel",
diff --git a/applications/luci-app-lxc/luasrc/view/lxc.htm b/applications/luci-app-lxc/luasrc/view/lxc.htm
index e703d6c88..b45e27f51 100644
--- a/applications/luci-app-lxc/luasrc/view/lxc.htm
+++ b/applications/luci-app-lxc/luasrc/view/lxc.htm
@@ -15,8 +15,8 @@ Author: Petar Koretic <petar.koretic@sartura.hr>
 -%>
 
 <%-
-local fs     = require "nixio"
-local target = fs.uname().machine
+local nx     = require "nixio"
+local target = nx.uname().machine
 -%>
 
 <fieldset class="cbi-section">
@@ -159,7 +159,7 @@ local target = fs.uname().machine
 		var div3 = document.createElement("div");
 		div3.className = "td";
 		div3.style.width = "50%";
-		div3.innerHTML = actions
+		div3.innerHTML = actions;
 
 		document.getElementById("t_lxc_list").appendChild(div0);
 		div0.appendChild(div1);
@@ -213,8 +213,8 @@ local target = fs.uname().machine
 		}
 		else if (action == "destroy")
 		{
-			var div = self.parentNode.parentNode
-			var img = div.querySelector('img')
+			var div = self.parentNode.parentNode;
+			var img = div.querySelector('img');
 
 			if (img.getAttribute('src') != window.img["red"])
 			{
-- 
2.25.1