/usr/share/cherokee/admin/Balancer.py is in cherokee-admin 1.2.101-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 | # -*- coding: utf-8 -*-
#
# Cherokee-admin
#
# Authors:
# Alvaro Lopez Ortega <alvaro@alobbs.com>
#
# Copyright (C) 2010 Alvaro Lopez Ortega
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of version 2 of the GNU General Public
# License as published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
# 02110-1301, USA.
#
import CTK
import Cherokee
import validations
URL_APPLY = '/plugin/balancer/apply'
NOTE_BALANCER = N_('Specifies the policy used to dispatch the connections.')
NOTE_ALL_SOURCES = N_('It is already balancing among all the configured <a href="%s">Information Sources</a>.')
NO_GENERAL_SOURCES = N_('There are no Information Sources configured. Please proceed to configure an <a href="/source">Information Source</a>.')
NO_SOURCE_WARNING = N_('A load balancer must be configured to use at least one information source.')
def commit():
new_bal = CTK.post.pop ('tmp!new_balancer_node')
key = CTK.post.pop ('key')
# New
if new_bal:
next = CTK.cfg.get_next_entry_prefix ('%s!source'%(key))
CTK.cfg[next] = new_bal
# Modification
return CTK.cfg_apply_post()
class PluginBalancer (CTK.Plugin):
def __init__ (self, key, **kwargs):
CTK.Plugin.__init__ (self, key)
class ContentSources (CTK.Box):
def __init__ (self, refresh, key):
CTK.Box.__init__ (self)
CTK.cfg.normalize ('%s!source'%(key))
balancer_sources = CTK.cfg.keys ('%s!source'%(key))
balancer_sources.sort(lambda x,y: cmp(int(x), int(y)))
if not balancer_sources:
self += CTK.Notice ('warning', CTK.RawHTML (_(NO_SOURCE_WARNING)))
else:
table = CTK.SortableList (lambda arg: CTK.SortableList__reorder_generic (arg, '%s!source'%(key)),
self.id,
{'class': 'balancer-sources-sortable'})
table += [CTK.RawHTML(x) for x in ('', _('Nick'), _('Host'), '')]
table.set_header(1)
for sb in balancer_sources:
sg = CTK.cfg.get_val ('%s!source!%s'%(key, sb))
# Detect missing sources
if not CTK.cfg['source!%s'%(sg)]:
remove = CTK.ImageStock('del')
remove.bind('click', CTK.JS.Ajax (URL_APPLY,
data = {'%s!source!%s'%(key, sb): ''},
complete = refresh.JS_to_refresh()))
table += [None, None, CTK.RawHTML("%s: %s" %(_("Broken Source"), sg)), remove]
continue
# Regular table entry
nick = CTK.cfg.get_val ('source!%s!nick'%(sg))
host = CTK.cfg.get_val ('source!%s!host'%(sg))
link = CTK.Link ("/source/%s"%(sg), CTK.RawHTML (nick))
remove = None
if len(balancer_sources) >= 2:
remove = CTK.ImageStock('del')
remove.bind('click', CTK.JS.Ajax (URL_APPLY,
data = {'%s!source!%s'%(key, sb): ''},
complete = refresh.JS_to_refresh()))
table += [None, link, CTK.RawHTML(host), remove]
table[-1].props['id'] = sb
table[-1][1].props['class'] = 'dragHandle'
submit = CTK.Submitter (URL_APPLY)
submit += table
self += submit
def AddCommon (self):
general_sources = CTK.cfg.keys('source')
balancer_sources = CTK.cfg.keys('%s!source'%(self.key))
# These are the sources that have not been added yet
general_left = general_sources[:]
for sb in balancer_sources:
sg = CTK.cfg.get_val('%s!source!%s'%(self.key, sb))
if sg in general_left:
while True:
try: general_left.remove(sg)
except: break
if not balancer_sources and not general_left:
self += CTK.Notice ('warning', CTK.RawHTML (_(NO_GENERAL_SOURCES)))
return
# Configured sources List
refresh = CTK.Refreshable ({'id': 'balancer'})
refresh.register (lambda: self.ContentSources(refresh, self.key).Render())
self += CTK.RawHTML ("<h2>%s</h2>" %(_('Information Sources')))
self += CTK.Indenter (refresh)
# Assign new sources
self += CTK.RawHTML ('<h2>%s</h2>' %(_('Assign Information Sources')))
if not general_left:
self += CTK.Indenter (CTK.Notice('information', CTK.RawHTML (_(NOTE_ALL_SOURCES)%("/source"))))
else:
options = [('', _('Choose'))]
for s in general_left:
nick = CTK.cfg.get_val('source!%s!nick'%(s))
options.append((s,nick))
table = CTK.PropsTable()
table.Add (_("Application Server"), CTK.ComboCfg("tmp!new_balancer_node", options), '')
submit = CTK.Submitter (URL_APPLY)
submit += CTK.Hidden ('key', self.key)
submit += table
submit.bind ('submit_success', refresh.JS_to_refresh())
self += CTK.Indenter (submit)
CTK.publish ('^%s'%(URL_APPLY), commit, method="POST")
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