diff options
Diffstat (limited to 'tools/migration/migrator/prosody_sql.lua')
-rw-r--r-- | tools/migration/migrator/prosody_sql.lua | 190 |
1 files changed, 0 insertions, 190 deletions
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; -} |