0084c9377e
As containers are basically virtual machines, it should not depend on the build target but on the real hardware architecture. For example there is plenty of ARM families (mvebu, sunxi, ...) but all armv7l arms should be able to run armv7l containers. Signed-off-by: Michal Hrusecky <michal.hrusecky@nic.cz>
131 lines
3 KiB
Lua
131 lines
3 KiB
Lua
--[[
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LuCI LXC module
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Copyright (C) 2014, Cisco Systems, Inc.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Author: Petar Koretic <petar.koretic@sartura.hr>
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]]--
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module("luci.controller.lxc", package.seeall)
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require "ubus"
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local conn = ubus.connect()
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if not conn then
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error("Failed to connect to ubus")
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end
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function fork_exec(command)
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local pid = nixio.fork()
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if pid > 0 then
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return
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elseif pid == 0 then
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-- change to root dir
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nixio.chdir("/")
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-- patch stdin, out, err to /dev/null
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local null = nixio.open("/dev/null", "w+")
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if null then
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nixio.dup(null, nixio.stderr)
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nixio.dup(null, nixio.stdout)
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nixio.dup(null, nixio.stdin)
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if null:fileno() > 2 then
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null:close()
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end
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end
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-- replace with target command
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nixio.exec("/bin/sh", "-c", command)
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end
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end
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function index()
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page = node("admin", "services", "lxc")
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page.target = cbi("lxc")
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page.title = _("LXC Containers")
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page.order = 70
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page = entry({"admin", "services", "lxc_create"}, call("lxc_create"), nil)
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page.leaf = true
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page = entry({"admin", "services", "lxc_action"}, call("lxc_action"), nil)
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page.leaf = true
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page = entry({"admin", "services", "lxc_configuration_get"}, call("lxc_configuration_get"), nil)
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page.leaf = true
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page = entry({"admin", "services", "lxc_configuration_set"}, call("lxc_configuration_set"), nil)
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page.leaf = true
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end
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function lxc_create(lxc_name, lxc_template)
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luci.http.prepare_content("text/plain")
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local uci = require("uci").cursor()
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local url = uci:get("lxc", "lxc", "url")
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if not pcall(dofile, "/etc/openwrt_release") then
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return luci.http.write("1")
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end
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local f = io.popen('uname -m', 'r')
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local target = f:read('*a')
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f:close()
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target = target:gsub("^%s*(.-)%s*$", "%1")
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local lxc_dist = lxc_template:gsub("(.*):(.*)", '%1')
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local lxc_release = lxc_template:gsub("(.*):(.*)", '%2')
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local data = conn:call("lxc", "create", { name = lxc_name, template = "download", args = { "--server", url, "--no-validate", "--dist", lxc_dist, "--release", lxc_release, "--arch", target } } )
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luci.http.write(data)
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end
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function lxc_action(lxc_action, lxc_name)
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luci.http.prepare_content("application/json")
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local data, ec = conn:call("lxc", lxc_action, lxc_name and { name = lxc_name} or {} )
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luci.http.write_json(ec and {} or data)
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end
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function lxc_configuration_get(lxc_name)
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luci.http.prepare_content("text/plain")
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local f = io.open("/lxc/" .. lxc_name .. "/config", "r")
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local content = f:read("*all")
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f:close()
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luci.http.write(content)
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end
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function lxc_configuration_set(lxc_name)
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luci.http.prepare_content("text/plain")
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local lxc_configuration = luci.http.formvalue("lxc_configuration")
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if lxc_configuration == nil then
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return luci.http.write("1")
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end
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local f, err = io.open("/lxc/" .. lxc_name .. "/config","w+")
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if not f then
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return luci.http.write("2")
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end
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f:write(lxc_configuration)
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f:close()
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luci.http.write("0")
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end
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