]]--
-module("luci.controller.lxc", package.seeall)
-
-require "ubus"
-local conn = ubus.connect()
-if not conn then
- error("Failed to connect to ubus")
-end
+local uci = require "luci.model.uci".cursor()
+local util = require "luci.util"
+local fs = require "nixio"
+module("luci.controller.lxc", package.seeall)
function fork_exec(command)
- local pid = nixio.fork()
+ local pid = fs.fork()
if pid > 0 then
return
elseif pid == 0 then
-- change to root dir
- nixio.chdir("/")
+ fs.chdir("/")
-- patch stdin, out, err to /dev/null
- local null = nixio.open("/dev/null", "w+")
+ local null = fs.open("/dev/null", "w+")
if null then
- nixio.dup(null, nixio.stderr)
- nixio.dup(null, nixio.stdout)
- nixio.dup(null, nixio.stdin)
+ fs.dup(null, fs.stderr)
+ fs.dup(null, fs.stdout)
+ fs.dup(null, fs.stdin)
if null:fileno() > 2 then
null:close()
end
end
-- replace with target command
- nixio.exec("/bin/sh", "-c", command)
+ fs.exec("/bin/sh", "-c", command)
end
end
end
function lxc_get_downloadable()
- luci.http.prepare_content("application/json")
-
- local f = io.popen('uname -m', 'r')
- local target = f:read('*a')
- f:close()
- target = target:gsub("^%s*(.-)%s*$", "%1")
-
+ local target = lxc_get_arch_target()
local templates = {}
- local f = io.popen('lxc-create -n just_want_to_list_available_lxc_templates -t download -- --list', 'r')
-
+ local f = io.popen('sh /usr/share/lxc/templates/lxc-download --list --no-validate --server %s 2>/dev/null'
+ % util.shellquote(uci:get("lxc", "lxc", "url")), 'r')
+ local line
for line in f:lines() do
- local dist,version = line:match("^(%S+)%s+(%S+)%s+" .. target .. "%s+default%s+%S+$")
- if dist~=nil and version~=nil then templates[#templates + 1] = dist .. ":" .. version end
+ local dist, version, dist_target = line:match("^(%S+)%s+(%S+)%s+(%S+)%s+default%s+%S+$")
+ if dist and version and dist_target == target then
+ templates[#templates+1] = "%s:%s" %{ dist, version }
+ end
end
f:close()
+
+ luci.http.prepare_content("application/json")
luci.http.write_json(templates)
end
function lxc_create(lxc_name, lxc_template)
luci.http.prepare_content("text/plain")
- local uci = require("uci").cursor()
-
- local url = uci:get("lxc", "lxc", "url")
-
if not pcall(dofile, "/etc/openwrt_release") then
return luci.http.write("1")
end
- local f = io.popen('uname -m', 'r')
- local target = f:read('*a')
- f:close()
- target = target:gsub("^%s*(.-)%s*$", "%1")
-
- local lxc_dist = lxc_template:gsub("(.*):(.*)", '%1')
- local lxc_release = lxc_template:gsub("(.*):(.*)", '%2')
-
- local data = conn:call("lxc", "create", { name = lxc_name, template = "download", args = { "--server", url, "--no-validate", "--dist", lxc_dist, "--release", lxc_release, "--arch", target } } )
-
- luci.http.write(data)
+ local lxc_dist, lxc_release = lxc_template:match("^(.+):(.+)$")
+
+ luci.http.write(util.ubus("lxc", "create", {
+ name = lxc_name,
+ template = "download",
+ args = {
+ "--server", uci:get("lxc", "lxc", "url"),
+ "--no-validate",
+ "--dist", lxc_dist,
+ "--release", lxc_release,
+ "--arch", lxc_get_arch_target()
+ }
+ }))
end
function lxc_action(lxc_action, lxc_name)
- luci.http.prepare_content("application/json")
-
- local data, ec = conn:call("lxc", lxc_action, lxc_name and { name = lxc_name} or {} )
+ local data, ec = util.ubus("lxc", lxc_action, lxc_name and { name = lxc_name } or {})
+ luci.http.prepare_content("application/json")
luci.http.write_json(ec and {} or data)
end
local f = io.open("/etc/lxc/lxc.conf", "r")
local content = f:read("*all")
f:close()
+
local ret = content:match('^%s*lxc.lxcpath%s*=%s*([^%s]*)')
if ret then
return ret .. "/"
luci.http.write("0")
end
+function lxc_get_arch_target()
+ local target = fs.uname().machine
+ local target_map = {
+ armv5 = "armel",
+ armv6 = "armel",
+ armv7 = "armhf",
+ armv8 = "arm64",
+ x86_64 = "amd64"
+ }
+
+ local k, v
+ for k, v in pairs(target_map) do
+ if target:find(k) then
+ return v
+ end
+ end
+
+ return target
+end