Mercurial > prosody-hg

annotate tools/migration/prosody-migrator.lua @ 14064:76ece4dd9782

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loader: Move all path setup here from all executables So it is done in the same way for all the executables, with less code duplication.
author Kim Alvefur <zash@zash.se>
date Mon, 09 Feb 2026 01:57:40 +0100
parents 2bdddcfad61d
children 50b8d732c905
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 #!/usr/bin/env lua
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2
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3 CFG_SOURCEDIR=CFG_SOURCEDIR or os.getenv("PROSODY_SRCDIR");
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4 CFG_CONFIGDIR=CFG_CONFIGDIR or os.getenv("PROSODY_CFGDIR");
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5 CFG_PLUGINDIR=CFG_PLUGINDIR or os.getenv("PROSODY_PLUGINDIR");
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6 CFG_DATADIR=CFG_DATADIR or os.getenv("PROSODY_DATADIR");
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7
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8 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
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9
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10 -- Check before first require, to preempt the probable failure
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11 if _VERSION < "Lua 5.2" then
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12 io.stderr:write("Prosody is no longer compatible with Lua 5.1\n")
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13 io.stderr:write("See https://prosody.im/doc/depends#lua for more information\n")
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14 return os.exit(1);
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15 end
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16
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17 -- Tell Lua where to find our libraries
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18 if CFG_SOURCEDIR then
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19 -- Installed instance
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20 require "prosody.loader";
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21 else
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22 -- Not installed, e.g. running from a source checkout
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23 require "loader";
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24 end
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25
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26 -- Substitute ~ with path to home directory in data path
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27 if CFG_DATADIR then
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28 if os.getenv("HOME") then
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29 CFG_DATADIR = CFG_DATADIR:gsub("^~", os.getenv("HOME"));
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30 end
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31 end
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32
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33 local default_config = (CFG_CONFIGDIR or ".").."/migrator.cfg.lua";
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34
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35 local function usage()
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36 print("Usage: " .. arg[0] .. " [OPTIONS] FROM_STORE TO_STORE");
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37 print(" --config FILE Specify config file")
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38 print(" --keep-going Keep going in case of errors");
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39 print(" -v, --verbose Increase log-level");
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40 print("");
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41 print("If no stores are specified, 'input' and 'output' are used.");
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42 end
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43
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44 if not pcall(require, "prosody.loader") then
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45 pcall(require, "loader");
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46 end
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47
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48 local startup = require "prosody.util.startup";
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49 do
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50 startup.parse_args({
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51 short_params = { v = "verbose", h = "help", ["?"] = "help" };
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52 value_params = { config = true };
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53 });
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54 startup.init_global_state();
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55 prosody.process_type = "migrator";
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56 if prosody.opts.help then
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57 usage();
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58 os.exit(0);
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59 end
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60 startup.force_console_logging();
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61 startup.init_logging();
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62 startup.init_gc();
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63 startup.init_errors();
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64 startup.setup_plugindir();
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65 startup.setup_plugin_install_path();
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66 startup.setup_datadir();
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67 startup.chdir();
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68 startup.read_version();
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69 startup.switch_user();
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70 startup.check_dependencies();
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71 startup.log_startup_warnings();
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72 prosody.config_loaded = true;
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73 startup.load_libraries();
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74 startup.init_http_client();
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75 prosody.core_post_stanza = function ()
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76 -- silence assert in core.moduleapi
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77 error("Attempt to send stanzas from inside migrator.", 0);
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78 end
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79 end
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80
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81 -- Command-line parsing
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82 local options = prosody.opts;
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83
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84 local envloadfile = require "prosody.util.envload".envloadfile;
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85
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86 local config_file = options.config or default_config;
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87 local from_store = arg[1] or "input";
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88 local to_store = arg[2] or "output";
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89
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90 config = {};
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91 local config_env = setmetatable({}, { __index = function(t, k) return function(tbl) config[k] = tbl; end; end });
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92 local config_chunk, err = envloadfile(config_file, config_env);
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93 if not config_chunk then
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94 print("There was an error loading the config file, check that the file exists");
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95 print("and that the syntax is correct:");
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96 print("", err);
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97 os.exit(1);
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98 end
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99
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100 config_chunk();
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101
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102 local have_err;
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103 if #arg > 0 and #arg ~= 2 then
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104 have_err = true;
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105 print("Error: Incorrect number of parameters supplied.");
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106 end
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107 if not config[from_store] then
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108 have_err = true;
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109 print("Error: Input store '"..from_store.."' not found in the config file.");
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110 end
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111 if not config[to_store] then
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112 have_err = true;
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113 print("Error: Output store '"..to_store.."' not found in the config file.");
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114 end
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115
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116 for store, conf in pairs(config) do -- COMPAT
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117 if conf.type == "prosody_files" then
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118 conf.type = "internal";
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119 elseif conf.type == "prosody_sql" then
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120 conf.type = "sql";
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121 end
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122 end
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123
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124 if have_err then
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125 print("");
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126 usage();
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127 print("");
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128 print("The available stores in your migrator config are:");
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129 print("");
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130 for store in pairs(config) do
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131 print("", store);
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132 end
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133 print("");
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134 os.exit(1);
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135 end
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136
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137 local async = require "prosody.util.async";
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138 local server = require "prosody.net.server";
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139 local watchers = {
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140 error = function (_, err)
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141 error(err);
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142 end;
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143 waiting = function ()
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144 server.loop();
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145 end;
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146 };
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147
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148 local cm = require "prosody.core.configmanager";
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149 local hm = require "prosody.core.hostmanager";
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150 local mm = require "prosody.core.modulemanager";
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151 local sm = require "prosody.core.storagemanager";
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152 local um = require "prosody.core.usermanager";
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153
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154 local function users(store, host)
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155 if store.users then
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156 log("debug", "Using store user iterator")
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157 return store:users();
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158 else
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159 log("debug", "Using usermanager user iterator")
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160 return um.users(host);
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161 end
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162 end
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163
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164 local function prepare_config(host, conf)
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165 if conf.type == "internal" then
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166 sm.olddm.set_data_path(conf.path or prosody.paths.data);
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167 elseif conf.type == "sql" then
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168 cm.set(host, "sql", conf);
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169 end
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170 if type(conf.config) == "table" then
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171 for option, value in pairs(conf.config) do
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172 cm.set(host, option, value);
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173 end
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174 end
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175 end
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176
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177 local function get_driver(host, conf)
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178 prepare_config(host, conf);
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179 mm.unload(host, "storage_" .. conf.type);
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180 return assert(sm.load_driver(host, conf.type));
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181 end
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182
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183 local migrate_once = {
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184 keyval = function(origin, destination, user)
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185 local data, err = origin:get(user);
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186 assert(not err, err);
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187 assert(destination:set(user, data));
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188 end;
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189 archive = function(origin, destination, user)
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190 local iter, err = origin:find(user);
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191 assert(iter, err);
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192 for id, item, when, with in iter do
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193 assert(destination:append(user, id, item, when, with));
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194 end
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195 end;
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196 }
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197 migrate_once.pubsub = function(origin, destination, user, prefix, input_driver, output_driver)
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198 if not user and prefix == "pubsub_" then return end
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199 local data, err = origin:get(user);
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200 assert(not err, err);
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201 if not data then return end
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202 assert(destination:set(user, data));
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203 if prefix == "pubsub_" then user = nil end
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204 for node in pairs(data) do
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205 local pep_origin = assert(input_driver:open(prefix .. node, "archive"));
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206 local pep_destination = assert(output_driver:open(prefix .. node, "archive"));
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207 migrate_once.archive(pep_origin, pep_destination, user);
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208 end
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209 end
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210
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211 if options["keep-going"] then
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212 local xpcall = require "prosody.util.xpcall".xpcall;
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213 for t, f in pairs(migrate_once) do
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214 migrate_once[t] = function (origin, destination, user, ...)
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215 local function log_err(err)
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216 if user then
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217 log("error", "Error migrating data for user %q: %s", user, err);
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218 else
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219 log("error", "Error migrating data for host: %s", err);
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220 end
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221 log("debug", "%s", debug.traceback(nil, 2));
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222 end
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223 xpcall(f, log_err, origin, destination, user, ...);
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224 end
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225 end
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226 end
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227
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228 local migration_runner = async.runner(function (job)
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229 for host, stores in pairs(job.input.hosts) do
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230 prosody.hosts[host] = startup.make_host(host);
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231 sm.initialize_host(host);
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232 um.initialize_host(host);
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233
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234 local input_driver = get_driver(host, job.input);
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235
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236 local output_driver = get_driver(host, job.output);
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237
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238 for _, store in ipairs(stores) do
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239 local p, typ = store:match("()%-(%w+)$");
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240 if typ then store = store:sub(1, p-1); else typ = "keyval"; end
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241 log("info", "Migrating host %s store %s (%s)", host, store, typ);
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242
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243 local migrate = assert(migrate_once[typ], "Unknown store type: "..typ);
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244
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245 local prefix = store .. "_";
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246 if typ == "pubsub" then typ = "keyval"; end
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247 if store == "pubsub_nodes" then prefix = "pubsub_"; end
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248
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249 local origin = assert(input_driver:open(store, typ));
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250 local destination = assert(output_driver:open(store, typ));
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251
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252 migrate(origin, destination, nil, prefix, input_driver, output_driver); -- host data
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253
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254 for user in users(origin, host) do
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255 log("info", "Migrating user %s@%s store %s (%s)", user, host, store, typ);
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256 migrate(origin, destination, user, prefix, input_driver, output_driver);
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257 end
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258 end
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259 end
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260 end, watchers);
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261
4240
b3d9063aad4d tools/migration/prosody-migrator.lua: Add messages to show when migration is in progress
Matthew Wild <mwild1@gmail.com>
parents: 4239
diff changeset
262 io.stderr:write("Migrating...\n");
10003
4d702f0c6273 migrator: Rewrite to use storage modules
Kim Alvefur <zash@zash.se>
parents: 8062
diff changeset
263
4d702f0c6273 migrator: Rewrite to use storage modules
Kim Alvefur <zash@zash.se>
parents: 8062
diff changeset
264 migration_runner:run({ input = config[from_store], output = config[to_store] });
4d702f0c6273 migrator: Rewrite to use storage modules
Kim Alvefur <zash@zash.se>
parents: 8062
diff changeset
265
4240
b3d9063aad4d tools/migration/prosody-migrator.lua: Add messages to show when migration is in progress
Matthew Wild <mwild1@gmail.com>
parents: 4239
diff changeset
266 io.stderr:write("Done!\n");