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luci-app-lxc: code cleanup

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Number of suggested rewrites:
* use lua ubus bindings instead of os.execute
* combine multiple actions to use same handler 'lxc_action' and pass
actions as arguments to consolidate code
* read openwrt version from lua directly
* start using String.prototype.format for string formatting

Also, drop 'rename' and 'clone' until they are fully functional on all
platforms.

Thanks Jo-Philipp for suggestions on how to improve the code.

Signed-off-by: Petar Koretic <petar.koretic@sartura.hr>
This commit is contained in:
Petar Koretic
2014-10-30 17:04:27 +01:00
committed by Luka Perkov
parent f8f7c74f0c
commit 8467d0ea3f
2 changed files with 68 additions and 158 deletions
Download Patch File Download Diff File Expand all files Collapse all files
utils/luci-app-lxc/files/view/lxc.htm
+30 -63
View File
@@ -98,7 +98,7 @@ Author: Petar Koretic <petar.koretic@sartura.hr>
loading(loader_add)
new XHR().get('<%=luci.dispatcher.build_url("admin", "services")%>/lxc_create/' + lxc_name + "/" + lxc_template , null,
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
@@ -118,7 +118,7 @@ Author: Petar Koretic <petar.koretic@sartura.hr>
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="delete" value="<%:Delete%>" class="cbi-button cbi-button-remove" />'
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>\
@@ -130,7 +130,7 @@ Author: Petar Koretic <petar.koretic@sartura.hr>
var row = t_lxc_list.insertRow(-1)
var cell = row.insertCell(-1)
cell.innerHTML = "<strong>" + lxc_name + "</strong>"
cell.innerHTML = '%q%h%q'.format("<strong>", lxc_name, "</strong>")
cell.width = "30%"
cell.setAttribute("data-id", lxc_name)
@@ -158,14 +158,14 @@ Author: Petar Koretic <petar.koretic@sartura.hr>
{
loading(loader)
new XHR().get('<%=luci.dispatcher.build_url("admin", "services")%>/lxc_stop/' + lxc_name, null,
function(x)
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 || x.responseText != "0")
return info_message(output_list,"Invalid response from system!")
if (!x || ec)
return info_message(output_list,"Action failed!")
set_status(status_img, "red")
@@ -176,36 +176,36 @@ Author: Petar Koretic <petar.koretic@sartura.hr>
{
loading(loader)
new XHR().get('<%=luci.dispatcher.build_url("admin", "services")%>/lxc_start/' + lxc_name, null,
function(x)
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 /*|| x.responseText != "0"*/)
return info_message(output_list,"Invalid response from system!")
if (!x /*|| ec */)
return info_message(output_list,"Action failed!")
//FIXME: uncomment after fixing 'lxc-start'
//set_status(status_img, "green")
});
}
else if (action == "delete")
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_delete/' + lxc_name, null,
function(x)
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 || x.responseText != "0")
return info_message(output_list,"Invalid response from system!")
if (!x || ec)
return info_message(output_list,"Action failed!")
var row = self.parentNode.parentNode
row.parentNode.removeChild(row)
@@ -214,26 +214,6 @@ Author: Petar Koretic <petar.koretic@sartura.hr>
}
}
function lxc_rename_handler(self)
{
var td = self.parentNode
var lxc_name_holder = td.querySelector('[data-id]')
var lxc_name_cur = lxc_name_holder.getAttribute('data-id')
var lxc_name_new = lxc_name_holder.value
if (t_lxc_list.querySelector("[data-id='" + lxc_name_new + "']") != null)
return info_message(output_list, "Container with new name already exists!", 4000)
new XHR().get('<%=luci.dispatcher.build_url("admin", "services")%>/lxc_rename/' + lxc_name_cur + '/' + lxc_name_new, null,
function(x)
{
if (!x || x.responseText != "0")
return info_message(output_list,"Invalid response from system!")
info_message(output_list,"LXC renamed")
})
}
function lxc_configure_handler(self)
{
var td = self.parentNode
@@ -245,7 +225,7 @@ Author: Petar Koretic <petar.koretic@sartura.hr>
function(x)
{
if (!x || x.responseText != "0")
return info_message(output_list,"Invalid response from system!")
return info_message(output_list,"Action failed!")
info_message(output_list,"LXC configuration updated")
var row = td.parentNode
@@ -299,19 +279,6 @@ Author: Petar Koretic <petar.koretic@sartura.hr>
break
case "rename":
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)
tr.innerHTML="<td colspan='" + row.cells.length + "'>" + lxc_rename_template(lxc_name) + "</td>"
tr.setAttribute('data-action','')
row.parentNode.insertBefore(tr, row.nextSibling)
break
case "freeze":
var tr = self.parentNode.parentNode
var img = tr.querySelector('img')
@@ -319,12 +286,12 @@ Author: Petar Koretic <petar.koretic@sartura.hr>
return info_message(output_list,"Container is not running!")
loading(loader)
new XHR().get('<%=luci.dispatcher.build_url("admin", "services")%>/lxc_freeze/' + lxc_name, null,
function(x)
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 || x.responseText != "0")
return info_message(output_list,"Invalid response from system!")
if (!x || ec)
return info_message(output_list,"Action failed!")
set_status(img, "purple")
})
@@ -339,12 +306,12 @@ Author: Petar Koretic <petar.koretic@sartura.hr>
return info_message(output_list,"Container is not frozen!")
loading(loader)
new XHR().get('<%=luci.dispatcher.build_url("admin", "services")%>/lxc_unfreeze/' + lxc_name, null,
function(x)
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 || x.responseText != "0")
return info_message(output_list,"Invalid response from system!")
if (!x || ec)
return info_message(output_list,"Action failed!")
set_status(img, "green")
})
@@ -361,12 +328,12 @@ Author: Petar Koretic <petar.koretic@sartura.hr>
return
loading(loader)
new XHR().get('<%=luci.dispatcher.build_url("admin", "services")%>/lxc_reboot/' + lxc_name, null,
function(x)
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 || x.responseText != "0")
return info_message(output_list,"Invalid response from system!")
if (!x || ec)
return info_message(output_list,"Action failed!")
info_message(output_list,"LXC rebooted")
})
@@ -392,7 +359,7 @@ Author: Petar Koretic <petar.koretic@sartura.hr>
function lxc_list_update()
{
XHR.poll(4, '<%=luci.dispatcher.build_url("admin", "services")%>/lxc_list', null,
XHR.poll(4, '<%=luci.dispatcher.build_url("admin", "services")%>/lxc_action/list', null,
function(x, data)
{
if (!x) return;