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annotate mod_migrate/mod_migrate.lua @ 1799:d2dd1db9ece6

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mod_storage_lmdb: Rearrange module to allow using as a library
author Kim Alvefur <zash@zash.se>
date Fri, 28 Aug 2015 00:34:43 +0200
parents 8df071457dee
children 22b799c7b50a
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8df071457dee mod_migrate: Provides a prosodyctl mod_migrate command for copying data between storage backends
Kim Alvefur <zash@zash.se>
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1 -- mod_migrate
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2
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3 local sm = require"core.storagemanager";
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4 local um = require"core.usermanager";
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5 local mm = require"core.modulemanager";
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6
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7 function module.command(arg)
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8 local host, source_store, migrate_to, user = unpack(arg);
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9 if not migrate_to then
8df071457dee mod_migrate: Provides a prosodyctl mod_migrate command for copying data between storage backends
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10 return print("Usage: prosodyctl mod_migrate example.com <source-store> <targer-driver> [users]*");
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11 end
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12 sm.initialize_host(host);
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13 um.initialize_host(host);
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14 local module = module:context(host);
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15 local storage = module:open_store(source_store);
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16 local target = assert(sm.load_driver(host, migrate_to));
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17 target = assert(target:open(source_store));
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18 local function migrate_user(username)
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19 module:log("info", "Migrating data for %s", username);
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20 local data, err = storage:get(username);
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21 assert(data or err==nil, err);
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22 assert(target:set(username, data));
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23 end
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24
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25 if arg[4] then
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26 for i = 4, #arg do
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27 migrate_user(arg[i]);
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28 end
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29 else
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30 for user in um.users(host) do
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31 migrate_user(user);
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32 end
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33 end
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34 end