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mod_migrate/mod_migrate.lua @ 3477:1f2381492c9f
mod_smacks: no crash on <a> without @h, fix #1317
author | Georg Lukas <georg@op-co.de> |
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date | Wed, 06 Mar 2019 21:25:47 +0100 |
parent | 2816:cd9831b27746 |
child | 3584:611ac62c5b63 |
rev | line source |
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1791
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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 |
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6 function module.command(arg) |
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7 local host, source_stores, migrate_to = unpack(arg); |
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8 if not migrate_to then |
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9 return print("Usage: prosodyctl mod_migrate example.com <source-store>[-<store-type>] <target-driver> [users]*"); |
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10 end |
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11 if not prosody.hosts[host] then |
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12 return print(("The host %q is not know by Prosody."):format(host)); |
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13 end |
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14 sm.initialize_host(host); |
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15 um.initialize_host(host); |
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16 local module = module:context(host); |
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17 for source_store in source_stores:gmatch("[^,]+") do |
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18 local store_type = source_store:match("%-(%a+)$"); |
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19 if store_type then |
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20 source_store = source_store:sub(1, -2-#store_type); |
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21 end |
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22 local storage = module:open_store(source_store, store_type); |
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23 local target = assert(sm.load_driver(host, migrate_to)); |
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24 target = assert(target:open(source_store, store_type)); |
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25 |
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26 local function migrate_user(username) |
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27 module:log("info", "Migrating %s data for %s", source_store, username); |
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28 local data, err = storage:get(username); |
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29 if not data and err then |
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30 module:log("error", "Could not read data: %s", err); |
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31 else |
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32 local ok, err = target:set(username, data); |
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33 if not ok then |
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34 module:log("error", "Could not write data: %s", err); |
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35 end |
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36 end |
1985
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37 end |
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38 |
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39 if store_type == "archive" then |
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40 function migrate_user(username) |
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41 module:log("info", "Migrating %s archive items for %s", source_store, username); |
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42 local count, errs = 0, 0; |
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43 for id, item, when, with in storage:find(username) do |
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44 local ok, err = target:append(username, id, item, when, with); |
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45 if ok then |
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46 count = count + 1; |
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47 else |
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48 module:log("warn", "Error: %s", err); |
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49 errs = errs + 1; |
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50 end |
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51 if ( count + errs ) % 100 == 0 then |
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52 module:log("info", "%d items migrated, %d errors", count, errs); |
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53 end |
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54 end |
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55 module:log("info", "%d items migrated, %d errors", count, errs); |
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56 end |
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57 end |
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58 |
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59 if arg[4] then |
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60 for i = 4, #arg do |
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61 migrate_user(arg[i]); |
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62 end |
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63 else |
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64 xpcall(function() |
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65 for user in um.users(host) do |
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66 migrate_user(user); |
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67 end |
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68 end, |
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69 function (err) |
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70 module:log("error", "Could not list users, you'll have to supply them as arguments"); |
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71 module:log("error", "The error was: %s", err); |
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72 end); |
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73 end |
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74 end |
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75 end |