Mercurial > prosody-modules

annotate mod_server_status/mod_server_status.lua @ 4293:edde5905744a

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mod_s2s_keepalive: Don't send whitespace keepalives before s2sin stream is open Could possibly result in whitespace before the XML and stream header, which isn't allowed by the parser. Don't think s2sout is affected, as the stream is opened early and doesn't have to wait for the other end. Thanks Ge0rG
author Kim Alvefur <zash@zash.se>
date Thu, 10 Dec 2020 11:57:03 +0100
parents 7dbde05b48a9
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 -- (C) 2011, Marco Cirillo (LW.Org)
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2 -- Display server stats in readable XML or JSON format
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3
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4 module:depends("http")
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5
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6 local base_path = module:get_option_string("server_status_basepath", "/server-status/")
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7 local show_hosts = module:get_option_array("server_status_show_hosts", nil)
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8 local show_comps = module:get_option_array("server_status_show_comps", nil)
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9 local json_output = module:get_option_boolean("server_status_json", false)
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10
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11 local json_encode = require "util.json".encode
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13 -- code begin
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14
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15 if not prosody.stanza_counter and not show_hosts and not show_comps then
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16 module:log ("error", "mod_server_status requires at least one of the following things:")
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17 module:log ("error", "mod_stanza_counter loaded, or either server_status_show_hosts or server_status_show_comps configuration values set.")
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18 module:log ("error", "check the module wiki at: http://code.google.com/p/prosody-modules/wiki/mod_server_status")
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19 return false
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20 end
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21
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22 local response_table = {}
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23 response_table.header = '<?xml version="1.0" encoding="UTF-8" ?>'
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24 response_table.doc_header = '<document>'
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25 response_table.doc_closure = '</document>'
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26 response_table.stanzas = {
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27 elem_header = ' <stanzas>', elem_closure = ' </stanzas>',
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28 incoming = ' <incoming iq="%d" message="%d" presence="%d" />',
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29 outgoing = ' <outgoing iq="%d" message="%d" presence="%d" />'
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30 }
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31 response_table.hosts = {
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32 elem_header = ' <hosts>', elem_closure = ' </hosts>',
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33 status = ' <status name="%s" current="%s" />'
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34 }
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35 response_table.comps = {
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36 elem_header = ' <components>', elem_closure = ' </components>',
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37 status = ' <status name="%s" current="%s" />'
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38 }
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39
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40 local function forge_response_xml()
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41 local hosts_s = {}; local components = {}; local stats = {}; local hosts_stats = {}; local comps_stats = {}
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42
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43 local function t_builder(t,r) for _, bstring in ipairs(t) do r[#r+1] = bstring end end
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44
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45 if show_hosts then t_builder(show_hosts, hosts_s) end
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46 if show_comps then t_builder(show_comps, components) end
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47
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48 -- build stanza stats if there
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49 if prosody.stanza_counter then
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50 stats[1] = response_table.stanzas.elem_header
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51 stats[2] = response_table.stanzas.incoming:format(prosody.stanza_counter.iq["incoming"],
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52 prosody.stanza_counter.message["incoming"],
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53 prosody.stanza_counter.presence["incoming"])
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54 stats[3] = response_table.stanzas.outgoing:format(prosody.stanza_counter.iq["outgoing"],
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55 prosody.stanza_counter.message["outgoing"],
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56 prosody.stanza_counter.presence["outgoing"])
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57 stats[4] = response_table.stanzas.elem_closure
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58 end
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59
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60 -- build hosts stats if there
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61 if hosts_s[1] then
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62 hosts_stats[1] = response_table.hosts.elem_header
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63 for _, name in ipairs(hosts_s) do
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64 hosts_stats[#hosts_stats+1] = response_table.hosts.status:format(
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65 name, hosts[name] and "online" or "offline")
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66 end
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67 hosts_stats[#hosts_stats+1] = response_table.hosts.elem_closure
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68 end
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69
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70 -- build components stats if there
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71 if components[1] then
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72 comps_stats[1] = response_table.comps.elem_header
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73 for _, name in ipairs(components) do
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74 comps_stats[#comps_stats+1] = response_table.comps.status:format(
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75 name, hosts[name] and hosts[name].modules.component and hosts[name].modules.component.connected and "online" or
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76 hosts[name] and hosts[name].modules.component == nil and "online" or "offline")
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77 end
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78 comps_stats[#comps_stats+1] = response_table.comps.elem_closure
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79 end
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80
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81 -- build xml document
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82 local result = {}
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83 result[#result+1] = response_table.header; result[#result+1] = response_table.doc_header -- start
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84 t_builder(stats, result); t_builder(hosts_stats, result); t_builder(comps_stats, result)
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85 result[#result+1] = response_table.doc_closure -- end
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86
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87 return table.concat(result, "\n")
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88 end
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89
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90 local function forge_response_json()
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91 local result = {}
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92
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93 if prosody.stanza_counter then result.stanzas = {} ; result.stanzas = prosody.stanza_counter end
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94 if show_hosts then
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95 result.hosts = {}
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96 for _,n in ipairs(show_hosts) do result.hosts[n] = hosts[n] and "online" or "offline" end
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97 end
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98 if show_comps then
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99 result.components = {}
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100 for _,n in ipairs(show_comps) do
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101 result.components[n] = hosts[n] and hosts[n].modules.component and hosts[n].modules.component.connected and "online" or
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102 hosts[n] and hosts[n].modules.component == nil and "online" or "offline"
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103 end
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104 end
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105
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106 return json_encode(result)
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107 end
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108
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109 -- http handlers
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110
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111 local function request(event)
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112 local response = event.response
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113 if not json_output then
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114 response.headers.content_type = "text/xml"
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115 response:send(forge_response_xml())
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116 else
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117 response.headers.content_type = "application/json"
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118 response:send(forge_response_json())
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119 end
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120 end
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121
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122 -- initialization.
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123
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124 module:provides("http", {
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125 default_path = base_path,
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126 route = {
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127 ["GET /"] = request
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128 }
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129 })
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130