prosody-modules
7821a6986e68
mod_migrate/mod_migrate.lua

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mod_migrate/mod_migrate.lua @ 1985:7821a6986e68

mod_migrate: Support migrating multiple stores
author Kim Alvefur <zash@zash.se>
date Sat, 19 Dec 2015 14:03:21 +0100
parent 1813:f02f52a2ee11
child 2028:530bf8ef2e55
comparison
equal deleted inserted replaced
1984:2ed6f6eeeaba 1985:7821a6986e68
3 local sm = require"core.storagemanager"; 3 local sm = require"core.storagemanager";
4 local um = require"core.usermanager"; 4 local um = require"core.usermanager";
5 local mm = require"core.modulemanager"; 5 local mm = require"core.modulemanager";
6 6
7 function module.command(arg) 7 function module.command(arg)
8 local host, source_store, migrate_to, user = unpack(arg); 8 local host, source_stores, migrate_to, user = unpack(arg);
9 if not migrate_to then 9 if not migrate_to then
10 return print("Usage: prosodyctl mod_migrate example.com <source-store>[-<store-type>] <target-driver> [users]*"); 10 return print("Usage: prosodyctl mod_migrate example.com <source-store>[-<store-type>] <target-driver> [users]*");
11 end 11 end
12 sm.initialize_host(host); 12 sm.initialize_host(host);
13 um.initialize_host(host); 13 um.initialize_host(host);
14 local module = module:context(host); 14 local module = module:context(host);
15 local store_type = source_store:match("%-(%a+)$"); 15 for source_store in source_stores:gmatch("[^,]+") do
16 if store_type then 16 local store_type = source_store:match("%-(%a+)$");
17 source_store = source_store:sub(1, -2-#store_type); 17 if store_type then
18 end 18 source_store = source_store:sub(1, -2-#store_type);
19 local storage = module:open_store(source_store, store_type); 19 end
20 local target = assert(sm.load_driver(host, migrate_to)); 20 local storage = module:open_store(source_store, store_type);
21 target = assert(target:open(source_store, store_type)); 21 local target = assert(sm.load_driver(host, migrate_to));
22 target = assert(target:open(source_store, store_type));
22 23
23 local function migrate_user(username) 24 local function migrate_user(username)
24 module:log("info", "Migrating data for %s", username); 25 module:log("info", "Migrating data for %s", username);
25 local data, err = storage:get(username); 26 local data, err = storage:get(username);
26 assert(data or err==nil, err); 27 assert(data or err==nil, err);
27 assert(target:set(username, data)); 28 assert(target:set(username, data));
28 end 29 end
29 30
30 if store_type == "archive" then 31 if store_type == "archive" then
31 function migrate_user(username) 32 function migrate_user(username)
32 module:log("info", "Migrating archive items for %s", username); 33 module:log("info", "Migrating archive items for %s", username);
33 local count, errs = 0, 0; 34 local count, errs = 0, 0;
34 for id, item, when, with in storage:find(username) do 35 for id, item, when, with in storage:find(username) do
35 local ok, err = target:append(username, id, item, when, with); 36 local ok, err = target:append(username, id, item, when, with);
36 if ok then 37 if ok then
37 count = count + 1; 38 count = count + 1;
38 else 39 else
39 module:log("warn", "Error: %s", err); 40 module:log("warn", "Error: %s", err);
40 errs = errs + 1; 41 errs = errs + 1;
42 end
43 if ( count + errs ) % 100 == 0 then
44 module:log("info", "%d items migrated, %d errors", count, errs);
45 end
41 end 46 end
42 if ( count + errs ) % 100 == 0 then 47 module:log("info", "%d items migrated, %d errors", count, errs);
43 module:log("info", "%d items migrated, %d errors", count, errs);
44 end
45 end 48 end
46 module:log("info", "%d items migrated, %d errors", count, errs);
47 end 49 end
48 end
49 50
50 if arg[4] then 51 if arg[4] then
51 for i = 4, #arg do 52 for i = 4, #arg do
52 migrate_user(arg[i]); 53 migrate_user(arg[i]);
53 end 54 end
54 else 55 else
55 for user in um.users(host) do 56 for user in um.users(host) do
56 migrate_user(user); 57 migrate_user(user);
58 end
57 end 59 end
58 end 60 end
59 end 61 end