From 1f049ed80d3a07636a207b859cc236e3d39eb4f1 Mon Sep 17 00:00:00 2001 From: Matthew Wild Date: Mon, 21 Mar 2011 19:39:04 +0000 Subject: tools/migration: Rename main.lua -> prosody-migrator.lua and update the Makefile --- tools/migration/prosody-migrator.lua | 115 +++++++++++++++++++++++++++++++++++ 1 file changed, 115 insertions(+) create mode 100644 tools/migration/prosody-migrator.lua (limited to 'tools/migration/prosody-migrator.lua') diff --git a/tools/migration/prosody-migrator.lua b/tools/migration/prosody-migrator.lua new file mode 100644 index 00000000..82eeab9d --- /dev/null +++ b/tools/migration/prosody-migrator.lua @@ -0,0 +1,115 @@ +#!/usr/bin/env lua + +CFG_SOURCEDIR=os.getenv("PROSODY_SRCDIR"); +CFG_CONFIGDIR=os.getenv("PROSODY_CFGDIR"); + +local default_config = (CFG_CONFIGDIR or ".").."/migrator.cfg.lua"; + +-- Command-line parsing +local options = {}; +local handled_opts = 0; +for i = 1, #arg do + if arg[i]:sub(1,2) == "--" then + local opt, val = arg[i]:match("([%w-]+)=?(.*)"); + if opt then + options[(opt:sub(3):gsub("%-", "_"))] = #val > 0 and val or true; + end + handled_opts = i; + else + break; + end +end +table.remove(arg, handled_opts); + +-- Load config file +local function loadfilein(file, env) + if loadin then + return loadin(env, io.open(file):read("*a")); + else + local chunk, err = loadfile(file); + if chunk then + setfenv(chunk, env); + end + return chunk, err; + end +end + +local config_file = options.config or default_config; +local from_store = arg[1] or "input"; +local to_store = arg[2] or "output"; + +config = {}; +local config_env = setmetatable({}, { __index = function(t, k) return function(tbl) config[k] = tbl; end; end }); +local config_chunk, err = loadfilein(config_file, config_env); +if not config_chunk then + print("There was an error loading the config file, check the file exists"); + print("and that the syntax is correct:"); + print("", err); + os.exit(1); +end + +config_chunk(); + +if CFG_SOURCEDIR then + package.path = CFG_SOURCEDIR.."/?.lua;"..package.path; + package.cpath = CFG_SOURCEDIR.."/?.so;"..package.cpath; +elseif not package.loaded["util.json"] then + package.path = "../../?.lua;"..package.path + package.cpath = "../../?.so;"..package.cpath +end + +local have_err; +if #arg > 0 and #arg ~= 2 then + have_err = true; + print("Error: Incorrect number of parameters supplied."); +end +if not config[from_store] then + have_err = true; + print("Error: Input store '"..from_store.."' not found in the config file."); +end +if not config[to_store] then + have_err = true; + print("Error: Output store '"..to_store.."' not found in the config file."); +end +if not config[from_store].type then + have_err = true; + print("Error: Input store type not specified in the config file"); +elseif not pcall(require, "migrator."..config[from_store].type) then + have_err = true; + print("Error: Unrecognised store type for '"..from_store.."': "..config[from_store].type); +end +if not config[to_store].type then + have_err = true; + print("Error: Output store type not specified in the config file"); +elseif not pcall(require, "migrator."..config[to_store].type) then + have_err = true; + print("Error: Unrecognised store type for '"..to_store.."': "..config[to_store].type); +end + +if have_err then + print(""); + print("Usage: "..arg[0].." FROM_STORE TO_STORE"); + print("If no stores are specified, 'input' and 'output' are used."); + print(""); + print("The available stores in your migrator config are:"); + print(""); + for store in pairs(config) do + print("", store); + end + print(""); + 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 json = require "util.json"; + +for x in reader do + --print(json.encode(x)) + writer(x); +end +writer(nil); -- close + -- cgit v1.2.3 From 0e4599d1b5f5adec0105017c7fd0b63d63a132da Mon Sep 17 00:00:00 2001 From: Matthew Wild Date: Tue, 5 Apr 2011 12:59:24 +0100 Subject: tools/migration/prosody-migrator.lua: Refactor store handler loading to report errors they throw --- tools/migration/prosody-migrator.lua | 35 ++++++++++++++++++++++------------- 1 file changed, 22 insertions(+), 13 deletions(-) (limited to 'tools/migration/prosody-migrator.lua') diff --git a/tools/migration/prosody-migrator.lua b/tools/migration/prosody-migrator.lua index 82eeab9d..20631fb1 100644 --- a/tools/migration/prosody-migrator.lua +++ b/tools/migration/prosody-migrator.lua @@ -71,21 +71,30 @@ if not config[to_store] then have_err = true; print("Error: Output store '"..to_store.."' not found in the config file."); end -if not config[from_store].type then - have_err = true; - print("Error: Input store type not specified in the config file"); -elseif not pcall(require, "migrator."..config[from_store].type) then - have_err = true; - print("Error: Unrecognised store type for '"..from_store.."': "..config[from_store].type); -end -if not config[to_store].type then - have_err = true; - print("Error: Output store type not specified in the config file"); -elseif not pcall(require, "migrator."..config[to_store].type) then - have_err = true; - print("Error: Unrecognised store type for '"..to_store.."': "..config[to_store].type); + +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 + if package.loaded["migrator."..store_type] then + print(("Error: Failed to initialize '%s' store:\n\t%s") + :format(name, err)); + else + print(("Error: Unrecognised store type for '%s': %s") + :format(from_store, store_type)); + end + return false; + end + 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"); -- cgit v1.2.3