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annotate mod_migrate/mod_migrate.lua @ 1843:032b209bb8ff

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mod_tls_policy/README: Reflow and strip trailing whitespace (pandoc thougt it meant explicit line breaks)
author Kim Alvefur <zash@zash.se>
date Sat, 12 Sep 2015 21:04:43 +0200
parents f02f52a2ee11
children 7821a6986e68
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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8df071457dee mod_migrate: Provides a prosodyctl mod_migrate command for copying data between storage backends
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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
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10 return print("Usage: prosodyctl mod_migrate example.com <source-store>[-<store-type>] <target-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 store_type = source_store:match("%-(%a+)$");
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16 if store_type then
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17 source_store = source_store:sub(1, -2-#store_type);
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18 end
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19 local storage = module:open_store(source_store, store_type);
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20 local target = assert(sm.load_driver(host, migrate_to));
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21 target = assert(target:open(source_store, store_type));
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22
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23 local function migrate_user(username)
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24 module:log("info", "Migrating data for %s", username);
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25 local data, err = storage:get(username);
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26 assert(data or err==nil, err);
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27 assert(target:set(username, data));
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28 end
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29
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30 if store_type == "archive" then
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31 function migrate_user(username)
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32 module:log("info", "Migrating archive items for %s", username);
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33 local count, errs = 0, 0;
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34 for id, item, when, with in storage:find(username) do
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35 local ok, err = target:append(username, id, item, when, with);
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36 if ok then
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37 count = count + 1;
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38 else
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39 module:log("warn", "Error: %s", err);
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40 errs = errs + 1;
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41 end
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42 if ( count + errs ) % 100 == 0 then
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43 module:log("info", "%d items migrated, %d errors", count, errs);
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44 end
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45 end
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46 module:log("info", "%d items migrated, %d errors", count, errs);
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47 end
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48 end
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49
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50 if arg[4] then
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51 for i = 4, #arg do
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52 migrate_user(arg[i]);
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53 end
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54 else
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55 for user in um.users(host) do
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56 migrate_user(user);
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57 end
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58 end
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59 end