From 6041d3e4e83ca60fb16fb4f61d83084a76632da9 Mon Sep 17 00:00:00 2001 From: Kim Alvefur Date: Sun, 5 May 2019 21:32:34 +0200 Subject: migrator: Rewrite to use storage modules This allows migrating to and from any storage module that supports the right methods. Based on experimental mod_migrate work. --- CHANGES | 1 + tools/migration/Makefile | 7 +- tools/migration/migrator.cfg.lua | 34 +++++- tools/migration/migrator/mtools.lua | 58 --------- tools/migration/migrator/prosody_files.lua | 144 ---------------------- tools/migration/migrator/prosody_sql.lua | 190 ----------------------------- tools/migration/prosody-migrator.lua | 148 ++++++++++++++++------ 7 files changed, 143 insertions(+), 439 deletions(-) delete mode 100644 tools/migration/migrator/mtools.lua delete mode 100644 tools/migration/migrator/prosody_files.lua delete mode 100644 tools/migration/migrator/prosody_sql.lua diff --git a/CHANGES b/CHANGES index 8c65f4ec..8b6675a5 100644 --- a/CHANGES +++ b/CHANGES @@ -8,6 +8,7 @@ TRUNK - mod\_limits: Exempted JIDs - Archive quotas - mod\_mimicking +- Rewritten migrator 0.11.0 ====== diff --git a/tools/migration/Makefile b/tools/migration/Makefile index 713831d2..dc14e0da 100644 --- a/tools/migration/Makefile +++ b/tools/migration/Makefile @@ -12,16 +12,13 @@ INSTALLEDCONFIG = $(SYSCONFDIR) INSTALLEDMODULES = $(LIBDIR)/prosody/modules INSTALLEDDATA = $(DATADIR) -SOURCE_FILES = migrator/*.lua - -all: prosody-migrator.install migrator.cfg.lua.install prosody-migrator.lua $(SOURCE_FILES) +all: prosody-migrator.install migrator.cfg.lua.install prosody-migrator.lua install: prosody-migrator.install migrator.cfg.lua.install - install -d $(BIN) $(CONFIG) $(SOURCE) $(SOURCE)/migrator + install -d $(BIN) $(CONFIG) $(SOURCE) install -d $(MAN)/man1 install -d $(SOURCE)/migrator install -m755 ./prosody-migrator.install $(BIN)/prosody-migrator - install -m644 $(SOURCE_FILES) $(SOURCE)/migrator test -e $(CONFIG)/migrator.cfg.lua || install -m644 migrator.cfg.lua.install $(CONFIG)/migrator.cfg.lua clean: diff --git a/tools/migration/migrator.cfg.lua b/tools/migration/migrator.cfg.lua index fa37f2a3..c26fa869 100644 --- a/tools/migration/migrator.cfg.lua +++ b/tools/migration/migrator.cfg.lua @@ -1,12 +1,38 @@ local data_path = "../../data"; +local vhost = { + "accounts", + "account_details", + "roster", + "vcard", + "private", + "blocklist", + "privacy", + "archive-archive", + "offline-archive", + "pubsub_nodes", + -- "pubsub_*-archive", + "pep", + -- "pep_*-archive", +} +local muc = { + "persistent", + "config", + "state", + "muc_log-archive", +}; + input { - type = "prosody_files"; + hosts = { + ["example.com"] = vhost; + ["conference.example.com"] = muc; + }; + type = "internal"; path = data_path; } output { - type = "prosody_sql"; + type = "sql"; driver = "SQLite3"; database = data_path.."/prosody.sqlite"; } @@ -14,11 +40,11 @@ output { --[[ input { - type = "prosody_files"; + type = "internal"; path = data_path; } output { - type = "prosody_sql"; + type = "sql"; driver = "SQLite3"; database = data_path.."/prosody.sqlite"; } diff --git a/tools/migration/migrator/mtools.lua b/tools/migration/migrator/mtools.lua deleted file mode 100644 index cfbfcce8..00000000 --- a/tools/migration/migrator/mtools.lua +++ /dev/null @@ -1,58 +0,0 @@ - - -local print = print; -local t_insert = table.insert; -local t_sort = table.sort; - - -local function sorted(params) - - local reader = params.reader; -- iterator to get items from - local sorter = params.sorter; -- sorting function - local filter = params.filter; -- filter function - - local cache = {}; - for item in reader do - if filter then item = filter(item); end - if item then t_insert(cache, item); end - end - if sorter then - t_sort(cache, sorter); - end - local i = 0; - return function() - i = i + 1; - return cache[i]; - end; - -end - -local function merged(reader, merger) - - local item1 = reader(); - local merged = { item1 }; - return function() - while true do - if not item1 then return nil; end - local item2 = reader(); - if not item2 then item1 = nil; return merged; end - if merger(item1, item2) then - --print("merged") - item1 = item2; - t_insert(merged, item1); - else - --print("unmerged", merged) - item1 = item2; - local tmp = merged; - merged = { item1 }; - return tmp; - end - end - end; - -end - -return { - sorted = sorted; - merged = merged; -} diff --git a/tools/migration/migrator/prosody_files.lua b/tools/migration/migrator/prosody_files.lua deleted file mode 100644 index 4de09273..00000000 --- a/tools/migration/migrator/prosody_files.lua +++ /dev/null @@ -1,144 +0,0 @@ - -local print = print; -local assert = assert; -local setmetatable = setmetatable; -local tonumber = tonumber; -local char = string.char; -local coroutine = coroutine; -local lfs = require "lfs"; -local loadfile = loadfile; -local pcall = pcall; -local mtools = require "migrator.mtools"; -local next = next; -local pairs = pairs; -local json = require "util.json"; -local os_getenv = os.getenv; -local error = error; - -prosody = {}; -local dm = require "util.datamanager" - - -local function is_dir(path) return lfs.attributes(path, "mode") == "directory"; end -local function is_file(path) return lfs.attributes(path, "mode") == "file"; end -local function clean_path(path) - return path:gsub("\\", "/"):gsub("//+", "/"):gsub("^~", os_getenv("HOME") or "~"); -end -local encode, decode; do - local urlcodes = setmetatable({}, { __index = function (t, k) t[k] = char(tonumber("0x"..k)); return t[k]; end }); - decode = function (s) return s and (s:gsub("+", " "):gsub("%%([a-fA-F0-9][a-fA-F0-9])", urlcodes)); end - encode = function (s) return s and (s:gsub("%W", function (c) return format("%%%02x", c:byte()); end)); end -end -local function decode_dir(x) - if x:gsub("%%%x%x", ""):gsub("[a-zA-Z0-9]", "") == "" then - return decode(x); - end -end -local function decode_file(x) - if x:match(".%.dat$") and x:gsub("%.dat$", ""):gsub("%%%x%x", ""):gsub("[a-zA-Z0-9]", "") == "" then - return decode(x:gsub("%.dat$", "")); - end -end -local function prosody_dir(path, ondir, onfile, ...) - for x in lfs.dir(path) do - local xpath = path.."/"..x; - if decode_dir(x) and is_dir(xpath) then - ondir(xpath, x, ...); - elseif decode_file(x) and is_file(xpath) then - onfile(xpath, x, ...); - end - end -end - -local function handle_root_file(path, name) - --print("root file: ", decode_file(name)) - coroutine.yield { user = nil, host = nil, store = decode_file(name) }; -end -local function handle_host_file(path, name, host) - --print("host file: ", decode_dir(host).."/"..decode_file(name)) - coroutine.yield { user = nil, host = decode_dir(host), store = decode_file(name) }; -end -local function handle_store_file(path, name, store, host) - --print("store file: ", decode_file(name).."@"..decode_dir(host).."/"..decode_dir(store)) - coroutine.yield { user = decode_file(name), host = decode_dir(host), store = decode_dir(store) }; -end -local function handle_host_store(path, name, host) - prosody_dir(path, function() end, handle_store_file, name, host); -end -local function handle_host_dir(path, name) - prosody_dir(path, handle_host_store, handle_host_file, name); -end -local function handle_root_dir(path) - prosody_dir(path, handle_host_dir, handle_root_file); -end - -local function decode_user(item) - local userdata = { - user = item[1].user; - host = item[1].host; - stores = {}; - }; - for i=1,#item do -- loop over stores - local result = {}; - local store = item[i]; - userdata.stores[store.store] = store.data; - store.user = nil; store.host = nil; store.store = nil; - end - return userdata; -end - -local function reader(input) - local path = clean_path(assert(input.path, "no input.path specified")); - assert(is_dir(path), "input.path is not a directory"); - local iter = coroutine.wrap(function()handle_root_dir(path);end); - -- get per-user stores, sorted - local iter = mtools.sorted { - reader = function() - local x = iter(); - while x do - dm.set_data_path(path); - local err; - x.data, err = dm.load(x.user, x.host, x.store); - if x.data == nil and err then - local p = dm.getpath(x.user, x.host, x.store); - print(("Error loading data at path %s for %s@%s (%s store): %s") - :format(p, x.user or "", x.host or "", x.store or "", err or "")); - else - return x; - end - x = iter(); - end - end; - sorter = function(a, b) - local a_host, a_user, a_store = a.host or "", a.user or "", a.store or ""; - local b_host, b_user, b_store = b.host or "", b.user or "", b.store or ""; - return a_host > b_host or (a_host==b_host and a_user > b_user) or (a_host==b_host and a_user==b_user and a_store > b_store); - end; - }; - -- merge stores to get users - iter = mtools.merged(iter, function(a, b) - return (a.host == b.host and a.user == b.user); - end); - - return function() - local x = iter(); - return x and decode_user(x); - end -end - -local function writer(output) - local path = clean_path(assert(output.path, "no output.path specified")); - assert(is_dir(path), "output.path is not a directory"); - return function(item) - if not item then return; end -- end of input - dm.set_data_path(path); - for store, data in pairs(item.stores) do - assert(dm.store(item.user, item.host, store, data)); - end - end -end - -return { - reader = reader; - writer = writer; -} diff --git a/tools/migration/migrator/prosody_sql.lua b/tools/migration/migrator/prosody_sql.lua deleted file mode 100644 index 6df2b025..00000000 --- a/tools/migration/migrator/prosody_sql.lua +++ /dev/null @@ -1,190 +0,0 @@ - -local assert = assert; -local have_DBI = pcall(require,"DBI"); -local print = print; -local type = type; -local next = next; -local pairs = pairs; -local t_sort = table.sort; -local json = require "util.json"; -local mtools = require "migrator.mtools"; -local tostring = tostring; -local tonumber = tonumber; - -if not have_DBI then - error("LuaDBI (required for SQL support) was not found, please see https://prosody.im/doc/depends#luadbi", 0); -end - -local sql = require "util.sql"; - -local function create_table(engine, name) -- luacheck: ignore 431/engine - local Table, Column, Index = sql.Table, sql.Column, sql.Index; - - local ProsodyTable = Table { - name= name or "prosody"; - Column { name="host", type="TEXT", nullable=false }; - Column { name="user", type="TEXT", nullable=false }; - Column { name="store", type="TEXT", nullable=false }; - Column { name="key", type="TEXT", nullable=false }; - Column { name="type", type="TEXT", nullable=false }; - Column { name="value", type="MEDIUMTEXT", nullable=false }; - Index { name="prosody_index", "host", "user", "store", "key" }; - }; - engine:transaction(function() - ProsodyTable:create(engine); - end); - -end - -local function serialize(value) - local t = type(value); - if t == "string" or t == "boolean" or t == "number" then - return t, tostring(value); - elseif t == "table" then - local value,err = json.encode(value); - if value then return "json", value; end - return nil, err; - end - return nil, "Unhandled value type: "..t; -end -local function deserialize(t, value) - if t == "string" then return value; - elseif t == "boolean" then - if value == "true" then return true; - elseif value == "false" then return false; end - elseif t == "number" then return tonumber(value); - elseif t == "json" then - return json.decode(value); - end -end - -local function decode_user(item) - local userdata = { - user = item[1][1].user; - host = item[1][1].host; - stores = {}; - }; - for i=1,#item do -- loop over stores - local result = {}; - local store = item[i]; - for i=1,#store do -- loop over store data - local row = store[i]; - local k = row.key; - local v = deserialize(row.type, row.value); - if k and v then - if k ~= "" then result[k] = v; elseif type(v) == "table" then - for a,b in pairs(v) do - result[a] = b; - end - end - end - userdata.stores[store[1].store] = result; - end - end - return userdata; -end - -local function needs_upgrade(engine, params) - if params.driver == "MySQL" then - local success = engine:transaction(function() - local result = engine:execute("SHOW COLUMNS FROM prosody WHERE Field='value' and Type='text'"); - assert(result:rowcount() == 0); - - -- COMPAT w/pre-0.10: Upgrade table to UTF-8 if not already - local check_encoding_query = [[ - SELECT "COLUMN_NAME","COLUMN_TYPE","TABLE_NAME" - FROM "information_schema"."columns" - WHERE "TABLE_NAME" LIKE 'prosody%%' AND ( "CHARACTER_SET_NAME"!='%s' OR "COLLATION_NAME"!='%s_bin' ); - ]]; - check_encoding_query = check_encoding_query:format(engine.charset, engine.charset); - local result = engine:execute(check_encoding_query); - assert(result:rowcount() == 0) - end); - if not success then - -- Upgrade required - return true; - end - end - return false; -end - -local function reader(input) - local engine = assert(sql:create_engine(input, function (engine) -- luacheck: ignore 431/engine - if needs_upgrade(engine, input) then - error("Old database format detected. Please run: prosodyctl mod_storage_sql upgrade"); - end - end)); - local keys = {"host", "user", "store", "key", "type", "value"}; - assert(engine:connect()); - local f,s,val = assert(engine:select("SELECT \"host\", \"user\", \"store\", \"key\", \"type\", \"value\" FROM \"prosody\";")); - -- get SQL rows, sorted - local iter = mtools.sorted { - reader = function() val = f(s, val); return val; end; - filter = function(x) - for i=1,#keys do - x[ keys[i] ] = x[i]; - end - if x.host == "" then x.host = nil; end - if x.user == "" then x.user = nil; end - if x.store == "" then x.store = nil; end - return x; - end; - sorter = function(a, b) - local a_host, a_user, a_store = a.host or "", a.user or "", a.store or ""; - local b_host, b_user, b_store = b.host or "", b.user or "", b.store or ""; - return a_host > b_host or (a_host==b_host and a_user > b_user) or (a_host==b_host and a_user==b_user and a_store > b_store); - end; - }; - -- merge rows to get stores - iter = mtools.merged(iter, function(a, b) - return (a.host == b.host and a.user == b.user and a.store == b.store); - end); - -- merge stores to get users - iter = mtools.merged(iter, function(a, b) - return (a[1].host == b[1].host and a[1].user == b[1].user); - end); - return function() - local x = iter(); - return x and decode_user(x); - end; -end - -local function writer(output, iter) - local engine = assert(sql:create_engine(output, function (engine) -- luacheck: ignore 431/engine - if needs_upgrade(engine, output) then - error("Old database format detected. Please run: prosodyctl mod_storage_sql upgrade"); - end - create_table(engine); - end)); - assert(engine:connect()); - assert(engine:delete("DELETE FROM \"prosody\"")); - local insert_sql = "INSERT INTO \"prosody\" (\"host\",\"user\",\"store\",\"key\",\"type\",\"value\") VALUES (?,?,?,?,?,?)"; - - return function(item) - if not item then assert(engine.conn:commit()) return end -- end of input - local host = item.host or ""; - local user = item.user or ""; - for store, data in pairs(item.stores) do - -- TODO transactions - local extradata = {}; - for key, value in pairs(data) do - if type(key) == "string" and key ~= "" then - local t, value = assert(serialize(value)); - local ok, err = assert(engine:insert(insert_sql, host, user, store, key, t, value)); - else - extradata[key] = value; - end - end - if next(extradata) ~= nil then - local t, extradata = assert(serialize(extradata)); - local ok, err = assert(engine:insert(insert_sql, host, user, store, "", t, extradata)); - end - end - end; -end - - -return { - reader = reader; - writer = writer; -} diff --git a/tools/migration/prosody-migrator.lua b/tools/migration/prosody-migrator.lua index 1219d891..3cc10ecf 100644 --- a/tools/migration/prosody-migrator.lua +++ b/tools/migration/prosody-migrator.lua @@ -1,19 +1,43 @@ #!/usr/bin/env lua -CFG_SOURCEDIR=os.getenv("PROSODY_SRCDIR"); -CFG_CONFIGDIR=os.getenv("PROSODY_CFGDIR"); +CFG_SOURCEDIR=CFG_SOURCEDIR or os.getenv("PROSODY_SRCDIR"); +CFG_CONFIGDIR=CFG_CONFIGDIR or os.getenv("PROSODY_CFGDIR"); +CFG_PLUGINDIR=CFG_PLUGINDIR or os.getenv("PROSODY_PLUGINDIR"); +CFG_DATADIR=CFG_DATADIR or os.getenv("PROSODY_DATADIR"); --- Substitute ~ with path to home directory in paths -if CFG_CONFIGDIR then - CFG_CONFIGDIR = CFG_CONFIGDIR:gsub("^~", os.getenv("HOME")); +-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- + +local function is_relative(path) + local path_sep = package.config:sub(1,1); + return ((path_sep == "/" and path:sub(1,1) ~= "/") + or (path_sep == "\\" and (path:sub(1,1) ~= "/" and path:sub(2,3) ~= ":\\"))) end +-- Tell Lua where to find our libraries if CFG_SOURCEDIR then - CFG_SOURCEDIR = CFG_SOURCEDIR:gsub("^~", os.getenv("HOME")); + local function filter_relative_paths(path) + if is_relative(path) then return ""; end + end + local function sanitise_paths(paths) + return (paths:gsub("[^;]+;?", filter_relative_paths):gsub(";;+", ";")); + end + package.path = sanitise_paths(CFG_SOURCEDIR.."/?.lua;"..package.path); + package.cpath = sanitise_paths(CFG_SOURCEDIR.."/?.so;"..package.cpath); +end + +-- Substitute ~ with path to home directory in data path +if CFG_DATADIR then + if os.getenv("HOME") then + CFG_DATADIR = CFG_DATADIR:gsub("^~", os.getenv("HOME")); + end end local default_config = (CFG_CONFIGDIR or ".").."/migrator.cfg.lua"; +local startup = require "util.startup"; +startup.prosodyctl(); +-- TODO startup.migrator ? + -- Command-line parsing local options = {}; local i = 1; @@ -29,13 +53,6 @@ while arg[i] do end end -if CFG_SOURCEDIR then - package.path = CFG_SOURCEDIR.."/?.lua;"..package.path; - package.cpath = CFG_SOURCEDIR.."/?.so;"..package.cpath; -else - package.path = "../../?.lua;"..package.path - package.cpath = "../../?.so;"..package.cpath -end local envloadfile = require "util.envload".envloadfile; @@ -69,24 +86,14 @@ if not config[to_store] then print("Error: Output store '"..to_store.."' not found in the config file."); end -function load_store_handler(name) - local store_type = config[name].type; - if not store_type then - print("Error: "..name.." store type not specified in the config file"); - return false; - else - local ok, err = pcall(require, "migrator."..store_type); - if not ok then - print(("Error: Failed to initialize '%s' store:\n\t%s") - :format(name, err)); - return false; - end +for store, conf in pairs(config) do -- COMPAT + if conf.type == "prosody_files" then + conf.type = "internal"; + elseif conf.type == "prosody_sql" then + conf.type = "sql"; end - return true; end -have_err = have_err or not(load_store_handler(from_store, "input") and load_store_handler(to_store, "output")); - if have_err then print(""); print("Usage: "..arg[0].." FROM_STORE TO_STORE"); @@ -101,17 +108,82 @@ if have_err then os.exit(1); end -local itype = config[from_store].type; -local otype = config[to_store].type; -local reader = require("migrator."..itype).reader(config[from_store]); -local writer = require("migrator."..otype).writer(config[to_store]); +local async = require "util.async"; +local server = require "net.server"; +local watchers = { + error = function (_, err) + error(err); + end; + waiting = function () + server.loop(); + end; +}; + +local cm = require "core.configmanager"; +local hm = require "core.hostmanager"; +local sm = require "core.storagemanager"; +local um = require "core.usermanager"; + +local function users(store, host) + if store.users then + return store:users(); + else + return um.users(host); + end +end -local json = require "util.json"; +local function prepare_config(host, conf) + if conf.type == "internal" then + sm.olddm.set_data_path(conf.path or prosody.paths.data); + elseif conf.type == "sql" then + cm.set(host, "sql", conf); + end +end -io.stderr:write("Migrating...\n"); -for x in reader do - --print(json.encode(x)) - writer(x); +local function get_driver(host, conf) + prepare_config(host, conf); + return assert(sm.load_driver(host, conf.type)); end -writer(nil); -- close + +local migration_runner = async.runner(function (job) + for host, stores in pairs(job.input.hosts) do + prosody.hosts[host] = startup.make_host(host); + sm.initialize_host(host); + um.initialize_host(host); + + local input_driver = get_driver(host, job.input); + + local output_driver = get_driver(host, job.output); + + for _, store in ipairs(stores) do + local p, typ = store:match("()%-(%w+)$"); + if typ then store = store:sub(1, p-1); else typ = "keyval"; end + log("info", "Migrating host %s store %s (%s)", host, store, typ); + + local origin = assert(input_driver:open(store, typ)); + local destination = assert(output_driver:open(store, typ)); + + if typ == "keyval" then -- host data + local data, err = origin:get(nil); + assert(not err, err); + assert(destination:set(nil, data)); + end + + for user in users(origin, host) do + if typ == "keyval" then + local data, err = origin:get(user); + assert(not err, err); + assert(destination:set(user, data)); + else + error("Don't know how to migrate data of type '"..typ.."'."); + end + end + end + end +end, watchers); + +io.stderr:write("Migrating...\n"); + +migration_runner:run({ input = config[from_store], output = config[to_store] }); + io.stderr:write("Done!\n"); -- cgit v1.2.3