Mercurial > prosody-modules
annotate mod_server_status/mod_server_status.lua @ 5496:3e6d1e248dc1
misc/lnav: Fix timestamp-format to be an array as per schema
author | Kim Alvefur <zash@zash.se> |
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date | Wed, 31 May 2023 17:59:56 +0200 |
parents | 7dbde05b48a9 |
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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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mod_server_status: updated to current HTTP API.
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4 module:depends("http") |
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5 |
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mod_server_status: fix code typo, get_option_array was used instead of get_option_string
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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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12 |
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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 |
546
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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 |
657
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mod_server_status: for sure xml isn't json, passing json mime and viceversa isn't appropriate at all. *no no*
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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 |