Mercurial > prosody-modules
annotate mod_migrate/mod_migrate.lua @ 2715:9b43b7fc3558
mod_block_registrations: fix example regex
author | tmolitor <thilo@eightysoft.de> |
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date | Fri, 12 May 2017 23:41:31 +0200 |
parents | 17408ddd34b0 |
children | fd4a5ba12fa2 |
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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 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_stores, 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 if not prosody.hosts[host] then |
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13 return print(("The host %q is not know by Prosody."):format(host)); |
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14 end |
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15 sm.initialize_host(host); |
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16 um.initialize_host(host); |
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17 local module = module:context(host); |
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18 for source_store in source_stores:gmatch("[^,]+") do |
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19 local store_type = source_store:match("%-(%a+)$"); |
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20 if store_type then |
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21 source_store = source_store:sub(1, -2-#store_type); |
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22 end |
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23 local storage = module:open_store(source_store, store_type); |
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24 local target = assert(sm.load_driver(host, migrate_to)); |
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25 target = assert(target:open(source_store, store_type)); |
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26 |
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27 local function migrate_user(username) |
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28 module:log("info", "Migrating %s data for %s", source_store, username); |
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29 local data, err = storage:get(username); |
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30 if not data and err then |
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31 module:log("error", "Could not read data: %s", err); |
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32 else |
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33 local ok, err = target:set(username, data); |
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34 if not ok then |
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35 module:log("error", "Could not write data: %s", err); |
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36 end |
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37 end |
1985
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38 end |
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39 |
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40 if store_type == "archive" then |
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41 function migrate_user(username) |
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42 module:log("info", "Migrating %s archive items for %s", source_store, username); |
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43 local count, errs = 0, 0; |
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44 for id, item, when, with in storage:find(username) do |
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45 local ok, err = target:append(username, id, item, when, with); |
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46 if ok then |
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47 count = count + 1; |
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48 else |
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49 module:log("warn", "Error: %s", err); |
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50 errs = errs + 1; |
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51 end |
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52 if ( count + errs ) % 100 == 0 then |
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53 module:log("info", "%d items migrated, %d errors", count, errs); |
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54 end |
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55 end |
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56 module:log("info", "%d items migrated, %d errors", count, errs); |
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57 end |
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58 end |
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59 |
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60 if arg[4] then |
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61 for i = 4, #arg do |
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62 migrate_user(arg[i]); |
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63 end |
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64 else |
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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 end |
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70 end |