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<%#
LuCI LXC module
Copyright (C) 2014, Cisco Systems, Inc.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Author: Petar Koretic <petar.koretic@sartura.hr>
-%>
<fieldset class="cbi-section">
<legend><%:Available Containers%></legend>
<div class="cbi-section-node">
<table id="t_lxc_list" class="cbi-section-table">
<tr class="cbi-section-table-titles">
<th class="cbi-section-table-cell"><%:Name%></th>
<th class="cbi-section-table-cell"><%:Status%></th>
<th class="cbi-section-table-cell"><%:Actions%></th>
</tr>
</table>
</div>
</fieldset>
<fieldset class="cbi-section">
<span id="lxc-list-output"></span>
</fieldset>
<hr/>
<fieldset class="cbi-section">
<legend><%:Create New Container%></legend>
<div class="cbi-section-node">
<table id="t_lxc_create" class="cbi-section-table">
<tr class="cbi-section-table-titles">
<th class="cbi-section-table-cell"><%:Name%></th>
<th class="cbi-section-table-cell"><%:Template%></th>
<th class="cbi-section-table-cell"><%:Actions%></th>
</tr>
<tr id="tr_holder">
<td>
<input type="text" id="tx_name" placeholder="<%:Enter new name%>" value='' />
</td>
<td>
<select id="s_template" class="cbi-input-select cbi-button">
</select>
</td>
<td>
<input type="button" id="bt_create" value="<%:Create%>" onclick="lxc_create(tr_holder)" class="cbi-button cbi-button-add" />
<span id="lxc-add-loader" style="display:inline-block; width:16px; height:16px; margin:0 5px"></span>
</td>
</tr>
</table>
</div>
</fieldset>
<fieldset class="cbi-section">
<span id="lxc-add-output"></span>
</fieldset>
<hr/>
<script type="text/javascript" src="<%=resource%>/cbi.js"></script>
<script type="text/javascript">//<![CDATA[
window.img = { "red" : "<%=resource%>/cbi/red.gif", "green" : "<%=resource%>/cbi/green.gif", "purple" : "<%=resource%>/cbi/purple.gif" }
window.states = { "STOPPED" : "red", "RUNNING" : "green", "FROZEN" : "purple"}
var t_lxc_list = document.getElementById('t_lxc_list');
var loader_html = '<img src="<%=resource%>/icons/loading.gif" alt="<%:Loading%>" width="16" height="16" style="vertical-align:middle" /> ';
var timeout_msg = 0
var output_list = document.getElementById("lxc-list-output")
var output_add = document.getElementById("lxc-add-output")
var loader_add = document.getElementById("lxc-add-loader")
function lxc_create(tr)
{
var lxc_name = tr.querySelector("#tx_name").value.trim()
var lxc_template = tr.querySelector("#s_template").value
var bt_create = tr.querySelector("#bt_create")
if (t_lxc_list.querySelector("[data-id='" + lxc_name + "']") != null)
return info_message(output_add, "Container with that name already exists!", 4000)
bt_create.disabled = true
output_add.innerHTML = ''
if (!lxc_name || !lxc_name.length)
{
bt_create.disabled = false
return info_message(output_add, "Name cannot be empty!", 4000)
}
loading(loader_add)
new XHR().get('<%=luci.dispatcher.build_url("admin", "services")%>/lxc_create/' + '%h/%h'.format(lxc_name, lxc_template) , null,
function(x)
{
bt_create.disabled = false
loading(loader_add, 0)
if (!x)
info_message(output_add, "Container creation failed!")
})
}
function lxc_create_template(lxc_name, lxc_state)
{
var info_row = t_lxc_list.querySelector("#empty")
if (info_row)
t_lxc_list.deleteRow(1)
var actions = ''
actions += '<input type="button" onclick="action_handler(this)" data-action="start" value="<%:Start%>" class="cbi-button cbi-button-apply" />'
actions+= '<input type="button" onclick="action_handler(this)" data-action="stop" value="<%:Stop%>" class="cbi-button cbi-button-reset" />'
actions+= '<input type="button" onclick="action_handler(this)" data-action="destroy" value="<%:Delete%>" class="cbi-button cbi-button-remove" />'
actions+= ' <select class="cbi-input-select cbi-button" onchange="action_more_handler(this)">\
<option selected disabled>more</option>\
<option>configure</option>\
<option>freeze</option>\
<option>unfreeze</option>\
<option>reboot</option>\
</select>'
actions+= '<span data-loader style="display:inline-block; width:16px; height:16px; margin:0 5px"></span>'
var row = t_lxc_list.insertRow(-1)
var cell = row.insertCell(-1)
cell.innerHTML = '%q%h%q'.format("<strong>", lxc_name, "</strong>")
cell.width = "30%"
cell.setAttribute("data-id", lxc_name)
cell = row.insertCell(-1)
cell.width = "20%"
cell.innerHTML = "<img src='"+window.img[lxc_state]+"'/>"
cell = row.insertCell(-1)
cell.width = "50%"
cell.innerHTML = actions
}
function action_handler(self)
{
var action = self.getAttribute("data-action");
var bt_action = self
var lxc_name = self.parentNode.parentNode.children[0].getAttribute('data-id')
var status_img = self.parentNode.parentNode.querySelector('img')
var loader = self.parentNode.querySelector('[data-loader]')
bt_action.disabled = true
if (action == "stop")
{
loading(loader)
new XHR().get('<%=luci.dispatcher.build_url("admin", "services")%>/lxc_action/' + '%h/%h'.format(action, lxc_name), null,
function(x, ec)
{
loading(loader, 0)
bt_action.disabled = false
if (!x || ec)
return info_message(output_list,"Action failed!")
set_status(status_img, "red")
});
}
else if (action == "start")
{
loading(loader)
new XHR().get('<%=luci.dispatcher.build_url("admin", "services")%>/lxc_action/' + '%h/%h'.format(action, lxc_name), null,
function(x, data)
{
loading(loader, 0)
bt_action.disabled = false
//FIXME: uncomment after fixing 'lxc-start'
if (!x /*|| ec */)
return info_message(output_list,"Action failed!")
//FIXME: uncomment after fixing 'lxc-start'
//set_status(status_img, "green")
});
}
else if (action == "destroy")
{
if (!confirm("This will completely remove LXC container from the disk. Are you sure? (container will be stopped if running)"))
return
loading(loader)
new XHR().get('<%=luci.dispatcher.build_url("admin", "services")%>/lxc_action/' + '%h/%h'.format(action, lxc_name), null,
function(x, ec)
{
loading(loader, 0)
bt_action.disabled = false
if (!x || ec)
return info_message(output_list,"Action failed!")
var row = self.parentNode.parentNode
row.parentNode.removeChild(row)
});
}
}
function lxc_configure_handler(self)
{
var td = self.parentNode
var textarea = td.querySelector('[data-id]')
var lxc_name = textarea.getAttribute('data-id')
var lxc_configuration = textarea.value
new XHR().post('<%=luci.dispatcher.build_url("admin", "services")%>/lxc_configuration_set/' + lxc_name, "lxc_configuration=" + encodeURIComponent(lxc_configuration) ,
function(x)
{
if (!x || x.responseText != "0")
return info_message(output_list,"Action failed!")
info_message(output_list,"LXC configuration updated")
var row = td.parentNode
row.parentNode.removeChild(row)
})
}
function lxc_rename_template(lxc_name)
{
var h = '\
<input data-id="'+ lxc_name + '" type="text" placeholder="Enter new name" /> \
<input data-id="bt_confirm" onclick="lxc_rename_handler(this)" type="button" class="cbi-button" value="Confirm" />'
return h
}
function lxc_configure_template(lxc_name, lxc_configuration)
{
var h = '\
<textarea data-id="'+ lxc_name + '" rows="20" style="width:100%">'+ lxc_configuration +'</textarea> \
<input data-id="bt_confirm" onclick="lxc_configure_handler(this)" type="button" class="cbi-button" value="Confirm" />'
return h
}
function action_more_handler(self)
{
var lxc_name = self.parentNode.parentNode.querySelector('[data-id]').getAttribute('data-id')
var loader = self.parentNode.parentNode.querySelector('[data-loader]')
var option = self.options[self.selectedIndex].text
self.value = "more"
switch (option)
{
case "configure":
var tr = document.createElement('tr')
var row = self.parentNode.parentNode
var next_row = row.nextSibling
if (next_row && next_row.getAttribute('data-action') !== null)
row.parentNode.removeChild(next_row)
new XHR().get('<%=luci.dispatcher.build_url("admin", "services")%>/lxc_configuration_get/' + lxc_name, null,
function(x)
{
tr.innerHTML="<td colspan='" + row.cells.length + "'>" + lxc_configure_template(lxc_name, x.responseText) + "</td>"
tr.setAttribute('data-action','')
row.parentNode.insertBefore(tr, row.nextSibling)
})
break
case "freeze":
var tr = self.parentNode.parentNode
var img = tr.querySelector('img')
if(img.getAttribute('src') != window.img["green"])
return info_message(output_list,"Container is not running!")
loading(loader)
new XHR().get('<%=luci.dispatcher.build_url("admin", "services")%>/lxc_action/' + '%h/%h'.format(option, lxc_name), null,
function(x, ec)
{
loading(loader, 0)
if (!x || ec)
return info_message(output_list,"Action failed!")
set_status(img, "purple")
})
break
case "unfreeze":
var tr = self.parentNode.parentNode
var img = tr.querySelector('img')
if(img.getAttribute('src') != window.img["purple"])
return info_message(output_list,"Container is not frozen!")
loading(loader)
new XHR().get('<%=luci.dispatcher.build_url("admin", "services")%>/lxc_action/' + '%h/%h'.format(option, lxc_name), null,
function(x, ec)
{
loading(loader, 0)
if (!x || ec)
return info_message(output_list,"Action failed!")
set_status(img, "green")
})
break
case "reboot":
var tr = self.parentNode.parentNode
var img = tr.querySelector('img')
if(img.getAttribute('src') != window.img["green"])
return info_message(output_list,"Container is not running!")
if (!confirm("Are you sure?"))
return
loading(loader)
new XHR().get('<%=luci.dispatcher.build_url("admin", "services")%>/lxc_action/' + '%h/%h'.format(option, lxc_name), null,
function(x, ec)
{
loading(loader, 0)
if (!x || ec)
return info_message(output_list,"Action failed!")
info_message(output_list,"LXC rebooted")
})
break
}
}
function set_empty(t_lxc_list)
{
if (document.getElementById('empty') !== null)
return
var row_count = t_lxc_list.rows.length;
while(--row_count) t_lxc_list.deleteRow(row_count);
var row = t_lxc_list.insertRow(-1);
row.id = 'empty'
var cell = row.insertCell(0);
cell.colSpan = 4;
cell.innerHTML = '<em><br />There are no containers available yet.</em>';
}
function lxc_list_update()
{
XHR.poll(4, '<%=luci.dispatcher.build_url("admin", "services")%>/lxc_action/list', null,
function(x, data)
{
if (!x) return;
var lxc_count = Object.keys(data).length
if (!data || !lxc_count)
return set_empty(t_lxc_list)
if (document.getElementById('empty') !== null)
t_lxc_list.deleteRow(1);
var lxcs = t_lxc_list.querySelectorAll('td[data-id]')
var lxc_name_table = {}
for (var i = 0, len = lxcs.length; i < len; i++)
{
var lxc_name = lxcs[i].getAttribute('data-id')
if (!(lxc_name in data))
{
var row = t_lxc_list.querySelector("[data-id='" + lxc_name + "']").parentNode
row.parentNode.removeChild(row)
continue
}
lxc_name_table[lxc_name] = lxcs[i].parentNode.querySelector('img')
}
for(var key in data)
{
var lxc_name = key
var state = window.states[data[key]]
if (!(lxc_name in lxc_name_table))
lxc_create_template(lxc_name, state)
else if (state != get_status(lxc_name_table[lxc_name]))
set_status(lxc_name_table[lxc_name], state)
}
})
}
function loading(elem, state)
{
state = (typeof state === 'undefined') ? 1 : state
if (state === 1)
elem.innerHTML = loader_html
else
setTimeout(function() { elem.innerHTML = ''}, 1000)
}
function set_status(elem, state)
{
state = (typeof state === 'undefined') ? 1 : state
setTimeout(function() { elem.setAttribute('src', window.img[state])}, 300)
}
function get_status(elem)
{
var src = elem.getAttribute('src')
for (var i in img)
{
if (img[i] == src)
return i
}
}
function info_message(output, msg, timeout)
{
timeout = timeout || 3000
output.innerHTML = msg
clearTimeout(timeout_msg)
timeout_msg = setTimeout(function(){ output.innerHTML=""}, timeout);
}
lxc_list_update()
new XHR().get('<%=luci.dispatcher.build_url("admin", "services")%>/lxc_get_downloadable', null,
function(x, data)
{
if (!x) return;
var lxc_count = Object.keys(data).length
if (!data || !lxc_count) return;
var select = document.getElementById("s_template");
for(var key in data)
{
var option = document.createElement('option');
option.value = data[key];
option.text = data[key].replace(/[_:]/, ' ');
select.add(option, -1);
}
})
//]]></script>