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