prosody
151ecd18d624
core/configmanager.lua

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core/configmanager.lua @ 8682:151ecd18d624

prosody, util.startup: Switch from async.once() to long-lived thread, to avoid GC
author Matthew Wild <mwild1@gmail.com>
date Fri, 23 Mar 2018 14:18:27 +0000
parent 8555:4f0f5b49bb03
child 8692:a55574754e5f
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rev   line source
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diff changeset
1 -- Prosody IM
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2 -- Copyright (C) 2008-2010 Matthew Wild
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3 -- Copyright (C) 2008-2010 Waqas Hussain
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4 --
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b1885732e979 GPL->MIT!
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5 -- This project is MIT/X11 licensed. Please see the
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6 -- COPYING file in the source package for more information.
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7 --
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8
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9 local _G = _G;
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10 local setmetatable, rawget, rawset, io, error, dofile, type, pairs =
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11 setmetatable, rawget, rawset, io, error, dofile, type, pairs;
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12 local format, math_max = string.format, math.max;
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13
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14 local fire_event = prosody and prosody.events.fire_event or function () end;
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15
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16 local envload = require"util.envload".envload;
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17 local deps = require"util.dependencies";
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18 local resolve_relative_path = require"util.paths".resolve_relative_path;
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19 local glob_to_pattern = require"util.paths".glob_to_pattern;
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20 local path_sep = package.config:sub(1,1);
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21
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22 local encodings = deps.softreq"util.encodings";
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23 local nameprep = encodings and encodings.stringprep.nameprep or function (host) return host:lower(); end
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24
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25 local _M = {};
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26 local _ENV = nil;
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27 -- luacheck: std none
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28
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29 _M.resolve_relative_path = resolve_relative_path; -- COMPAT
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30
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31 local parser = nil;
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32
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33 local config_mt = { __index = function (t, _) return rawget(t, "*"); end};
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34 local config = setmetatable({ ["*"] = { } }, config_mt);
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35
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36 -- When host not found, use global
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37 local host_mt = { __index = function(_, k) return config["*"][k] end }
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38
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39 function _M.getconfig()
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40 return config;
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41 end
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42
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43 function _M.get(host, key, _oldkey)
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44 if key == "core" then
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45 key = _oldkey; -- COMPAT with code that still uses "core"
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46 end
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47 return config[host][key];
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48 end
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49 function _M.rawget(host, key, _oldkey)
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50 if key == "core" then
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51 key = _oldkey; -- COMPAT with code that still uses "core"
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52 end
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53 local hostconfig = rawget(config, host);
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54 if hostconfig then
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55 return rawget(hostconfig, key);
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56 end
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57 end
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58
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59 local function set(config_table, host, key, value)
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60 if host and key then
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61 local hostconfig = rawget(config_table, host);
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62 if not hostconfig then
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63 hostconfig = rawset(config_table, host, setmetatable({}, host_mt))[host];
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64 end
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65 hostconfig[key] = value;
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66 return true;
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67 end
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68 return false;
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69 end
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70
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71 function _M.set(host, key, value, _oldvalue)
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72 if key == "core" then
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73 key, value = value, _oldvalue; --COMPAT with code that still uses "core"
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74 end
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75 return set(config, host, key, value);
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76 end
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77
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78 function _M.load(filename, config_format)
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79 config_format = config_format or filename:match("%w+$");
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80
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81 if config_format == "lua" then
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82 local f, err = io.open(filename);
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83 if f then
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84 local new_config = setmetatable({ ["*"] = { } }, config_mt);
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85 local ok, err = parser.load(f:read("*a"), filename, new_config);
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86 f:close();
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87 if ok then
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88 config = new_config;
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89 fire_event("config-reloaded", {
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90 filename = filename,
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91 format = config_format,
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92 config = config
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93 });
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94 end
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95 return ok, "parser", err;
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96 end
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97 return f, "file", err;
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98 end
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99
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100 if not config_format then
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101 return nil, "file", "no parser specified";
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102 else
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103 return nil, "file", "no parser for "..(config_format);
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104 end
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105 end
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106
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107 -- Built-in Lua parser
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108 do
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109 local pcall = _G.pcall;
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110 parser = {};
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111 function parser.load(data, config_file, config_table)
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112 local env;
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113 -- The ' = true' are needed so as not to set off __newindex when we assign the functions below
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114 env = setmetatable({
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115 Host = true, host = true, VirtualHost = true,
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116 Component = true, component = true,
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117 Include = true, include = true, RunScript = true }, {
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118 __index = function (_, k)
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119 return rawget(_G, k);
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120 end,
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121 __newindex = function (_, k, v)
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122 set(config_table, env.__currenthost or "*", k, v);
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123 end
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124 });
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125
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0e3eacf135f2 configmanager: Default options appearing before Host "*" to global (fixes potential traceback)
Matthew Wild <mwild1@gmail.com>
parents: 1523
diff changeset
126 rawset(env, "__currenthost", "*") -- Default is global
3011
1189a29cd846 configmanager: Add VirtualHost as an alias for Host (re-applied in trunk due to previous bad merge with 0.7)
Matthew Wild <mwild1@gmail.com>
parents: 2925
diff changeset
127 function env.VirtualHost(name)
6323
5926f01e5cd2 configmanager: nameprep VirtualHost and Component names
Matthew Wild <mwild1@gmail.com>
parents: 6166
diff changeset
128 name = nameprep(name);
6716
2b78754b0f1c configmanager: Rename variable to avoid name conflicts [luacheck]
Matthew Wild <mwild1@gmail.com>
parents: 6715
diff changeset
129 if rawget(config_table, name) and rawget(config_table[name], "component_module") then
2861
1402615b66f8 configmanager: Error when a component and host clash hostnames
Matthew Wild <mwild1@gmail.com>
parents: 1777
diff changeset
130 error(format("Host %q clashes with previously defined %s Component %q, for services use a sub-domain like conference.%s",
6716
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Matthew Wild <mwild1@gmail.com>
parents: 6715
diff changeset
131 name, config_table[name].component_module:gsub("^%a+$", { component = "external", muc = "MUC"}), name, name), 0);
2861
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Matthew Wild <mwild1@gmail.com>
parents: 1777
diff changeset
132 end
376
6d87944df37c New configmanager. Old-style config files still work, but will print a warning
Matthew Wild <mwild1@gmail.com>
parents: 371
diff changeset
133 rawset(env, "__currenthost", name);
750
fbfcf8c1c830 configmanager: Add support for defining components
Matthew Wild <mwild1@gmail.com>
parents: 615
diff changeset
134 -- Needs at least one setting to logically exist :)
6716
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Matthew Wild <mwild1@gmail.com>
parents: 6715
diff changeset
135 set(config_table, name or "*", "defined", true);
3515
bb494c3aa364 configmanager: Allow VirtualHost/Component definitions to be followed by a table of config options
Matthew Wild <mwild1@gmail.com>
parents: 3384
diff changeset
136 return function (config_options)
bb494c3aa364 configmanager: Allow VirtualHost/Component definitions to be followed by a table of config options
Matthew Wild <mwild1@gmail.com>
parents: 3384
diff changeset
137 rawset(env, "__currenthost", "*"); -- Return to global scope
bb494c3aa364 configmanager: Allow VirtualHost/Component definitions to be followed by a table of config options
Matthew Wild <mwild1@gmail.com>
parents: 3384
diff changeset
138 for option_name, option_value in pairs(config_options) do
6716
2b78754b0f1c configmanager: Rename variable to avoid name conflicts [luacheck]
Matthew Wild <mwild1@gmail.com>
parents: 6715
diff changeset
139 set(config_table, name or "*", option_name, option_value);
3515
bb494c3aa364 configmanager: Allow VirtualHost/Component definitions to be followed by a table of config options
Matthew Wild <mwild1@gmail.com>
parents: 3384
diff changeset
140 end
bb494c3aa364 configmanager: Allow VirtualHost/Component definitions to be followed by a table of config options
Matthew Wild <mwild1@gmail.com>
parents: 3384
diff changeset
141 end;
371
0dc5819660e8 Import initial configmanager, not sure if it works yet, but it does pass the unit tests ;)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
142 end
3011
1189a29cd846 configmanager: Add VirtualHost as an alias for Host (re-applied in trunk due to previous bad merge with 0.7)
Matthew Wild <mwild1@gmail.com>
parents: 2925
diff changeset
143 env.Host, env.host = env.VirtualHost, env.VirtualHost;
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Florian Zeitz <florob@babelmonkeys.de>
parents: 5413
diff changeset
144
750
fbfcf8c1c830 configmanager: Add support for defining components
Matthew Wild <mwild1@gmail.com>
parents: 615
diff changeset
145 function env.Component(name)
6323
5926f01e5cd2 configmanager: nameprep VirtualHost and Component names
Matthew Wild <mwild1@gmail.com>
parents: 6166
diff changeset
146 name = nameprep(name);
7947
24170d74b00b core: Split some very long lines [luacheck]
Kim Alvefur <zash@zash.se>
parents: 6779
diff changeset
147 if rawget(config_table, name) and rawget(config_table[name], "defined")
24170d74b00b core: Split some very long lines [luacheck]
Kim Alvefur <zash@zash.se>
parents: 6779
diff changeset
148 and not rawget(config_table[name], "component_module") then
2861
1402615b66f8 configmanager: Error when a component and host clash hostnames
Matthew Wild <mwild1@gmail.com>
parents: 1777
diff changeset
149 error(format("Component %q clashes with previously defined Host %q, for services use a sub-domain like conference.%s",
1402615b66f8 configmanager: Error when a component and host clash hostnames
Matthew Wild <mwild1@gmail.com>
parents: 1777
diff changeset
150 name, name, name), 0);
1402615b66f8 configmanager: Error when a component and host clash hostnames
Matthew Wild <mwild1@gmail.com>
parents: 1777
diff changeset
151 end
6716
2b78754b0f1c configmanager: Rename variable to avoid name conflicts [luacheck]
Matthew Wild <mwild1@gmail.com>
parents: 6715
diff changeset
152 set(config_table, name, "component_module", "component");
913
3e2dac84017d core.configmanager: Make components use 'component' module by default if none specified
Matthew Wild <mwild1@gmail.com>
parents: 896
diff changeset
153 -- Don't load the global modules by default
6716
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Matthew Wild <mwild1@gmail.com>
parents: 6715
diff changeset
154 set(config_table, name, "load_global_modules", false);
913
3e2dac84017d core.configmanager: Make components use 'component' module by default if none specified
Matthew Wild <mwild1@gmail.com>
parents: 896
diff changeset
155 rawset(env, "__currenthost", name);
3515
bb494c3aa364 configmanager: Allow VirtualHost/Component definitions to be followed by a table of config options
Matthew Wild <mwild1@gmail.com>
parents: 3384
diff changeset
156 local function handle_config_options(config_options)
bb494c3aa364 configmanager: Allow VirtualHost/Component definitions to be followed by a table of config options
Matthew Wild <mwild1@gmail.com>
parents: 3384
diff changeset
157 rawset(env, "__currenthost", "*"); -- Return to global scope
bb494c3aa364 configmanager: Allow VirtualHost/Component definitions to be followed by a table of config options
Matthew Wild <mwild1@gmail.com>
parents: 3384
diff changeset
158 for option_name, option_value in pairs(config_options) do
6716
2b78754b0f1c configmanager: Rename variable to avoid name conflicts [luacheck]
Matthew Wild <mwild1@gmail.com>
parents: 6715
diff changeset
159 set(config_table, name or "*", option_name, option_value);
3515
bb494c3aa364 configmanager: Allow VirtualHost/Component definitions to be followed by a table of config options
Matthew Wild <mwild1@gmail.com>
parents: 3384
diff changeset
160 end
bb494c3aa364 configmanager: Allow VirtualHost/Component definitions to be followed by a table of config options
Matthew Wild <mwild1@gmail.com>
parents: 3384
diff changeset
161 end
5776
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Florian Zeitz <florob@babelmonkeys.de>
parents: 5413
diff changeset
162
750
fbfcf8c1c830 configmanager: Add support for defining components
Matthew Wild <mwild1@gmail.com>
parents: 615
diff changeset
163 return function (module)
857
49298263f241 core.configmanager: Small fix to check validity of Component definitions
Matthew Wild <mwild1@gmail.com>
parents: 795
diff changeset
164 if type(module) == "string" then
6716
2b78754b0f1c configmanager: Rename variable to avoid name conflicts [luacheck]
Matthew Wild <mwild1@gmail.com>
parents: 6715
diff changeset
165 set(config_table, name, "component_module", module);
3515
bb494c3aa364 configmanager: Allow VirtualHost/Component definitions to be followed by a table of config options
Matthew Wild <mwild1@gmail.com>
parents: 3384
diff changeset
166 return handle_config_options;
857
49298263f241 core.configmanager: Small fix to check validity of Component definitions
Matthew Wild <mwild1@gmail.com>
parents: 795
diff changeset
167 end
3515
bb494c3aa364 configmanager: Allow VirtualHost/Component definitions to be followed by a table of config options
Matthew Wild <mwild1@gmail.com>
parents: 3384
diff changeset
168 return handle_config_options(module);
750
fbfcf8c1c830 configmanager: Add support for defining components
Matthew Wild <mwild1@gmail.com>
parents: 615
diff changeset
169 end
fbfcf8c1c830 configmanager: Add support for defining components
Matthew Wild <mwild1@gmail.com>
parents: 615
diff changeset
170 end
fbfcf8c1c830 configmanager: Add support for defining components
Matthew Wild <mwild1@gmail.com>
parents: 615
diff changeset
171 env.component = env.Component;
5776
bd0ff8ae98a8 Remove all trailing whitespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 5413
diff changeset
172
5413
0bf5e90be086 configmanager: Some cleanup, remove unused variables and imports
Matthew Wild <mwild1@gmail.com>
parents: 5380
diff changeset
173 function env.Include(file)
6718
be98ebe87eef configmanager: Refactor function to avoid re-declaring local variable [luacheck]
Matthew Wild <mwild1@gmail.com>
parents: 6717
diff changeset
174 -- Check whether this is a wildcard Include
3905
9222dad9e1e8 configmanager: Support for wildcards in Include directives
Matthew Wild <mwild1@gmail.com>
parents: 3780
diff changeset
175 if file:match("[*?]") then
6166
46cb87d531a7 configmanager: Delay importing LuaFileSystem until needed by an Include line
Kim Alvefur <zash@zash.se>
parents: 5811
diff changeset
176 local lfs = deps.softreq "lfs";
46cb87d531a7 configmanager: Delay importing LuaFileSystem until needed by an Include line
Kim Alvefur <zash@zash.se>
parents: 5811
diff changeset
177 if not lfs then
46cb87d531a7 configmanager: Delay importing LuaFileSystem until needed by an Include line
Kim Alvefur <zash@zash.se>
parents: 5811
diff changeset
178 error(format("Error expanding wildcard pattern in Include %q - LuaFileSystem not available", file));
46cb87d531a7 configmanager: Delay importing LuaFileSystem until needed by an Include line
Kim Alvefur <zash@zash.se>
parents: 5811
diff changeset
179 end
3905
9222dad9e1e8 configmanager: Support for wildcards in Include directives
Matthew Wild <mwild1@gmail.com>
parents: 3780
diff changeset
180 local path_pos, glob = file:match("()([^"..path_sep.."]+)$");
9222dad9e1e8 configmanager: Support for wildcards in Include directives
Matthew Wild <mwild1@gmail.com>
parents: 3780
diff changeset
181 local path = file:sub(1, math_max(path_pos-2,0));
3929
7cb03d67101b configmanager: Filenames without a path are also relative to the config file path, not the current working directory
Matthew Wild <mwild1@gmail.com>
parents: 3905
diff changeset
182 local config_path = config_file:gsub("[^"..path_sep.."]+$", "");
3905
9222dad9e1e8 configmanager: Support for wildcards in Include directives
Matthew Wild <mwild1@gmail.com>
parents: 3780
diff changeset
183 if #path > 0 then
3929
7cb03d67101b configmanager: Filenames without a path are also relative to the config file path, not the current working directory
Matthew Wild <mwild1@gmail.com>
parents: 3905
diff changeset
184 path = resolve_relative_path(config_path, path);
3905
9222dad9e1e8 configmanager: Support for wildcards in Include directives
Matthew Wild <mwild1@gmail.com>
parents: 3780
diff changeset
185 else
3929
7cb03d67101b configmanager: Filenames without a path are also relative to the config file path, not the current working directory
Matthew Wild <mwild1@gmail.com>
parents: 3905
diff changeset
186 path = config_path;
3905
9222dad9e1e8 configmanager: Support for wildcards in Include directives
Matthew Wild <mwild1@gmail.com>
parents: 3780
diff changeset
187 end
9222dad9e1e8 configmanager: Support for wildcards in Include directives
Matthew Wild <mwild1@gmail.com>
parents: 3780
diff changeset
188 local patt = glob_to_pattern(glob);
9222dad9e1e8 configmanager: Support for wildcards in Include directives
Matthew Wild <mwild1@gmail.com>
parents: 3780
diff changeset
189 for f in lfs.dir(path) do
9222dad9e1e8 configmanager: Support for wildcards in Include directives
Matthew Wild <mwild1@gmail.com>
parents: 3780
diff changeset
190 if f:sub(1,1) ~= "." and f:match(patt) then
9222dad9e1e8 configmanager: Support for wildcards in Include directives
Matthew Wild <mwild1@gmail.com>
parents: 3780
diff changeset
191 env.Include(path..path_sep..f);
9222dad9e1e8 configmanager: Support for wildcards in Include directives
Matthew Wild <mwild1@gmail.com>
parents: 3780
diff changeset
192 end
9222dad9e1e8 configmanager: Support for wildcards in Include directives
Matthew Wild <mwild1@gmail.com>
parents: 3780
diff changeset
193 end
6718
be98ebe87eef configmanager: Refactor function to avoid re-declaring local variable [luacheck]
Matthew Wild <mwild1@gmail.com>
parents: 6717
diff changeset
194 return;
794
912dc389935a Add Include command to include extra configuration files from the main one
Matthew Wild <mwild1@gmail.com>
parents: 793
diff changeset
195 end
6718
be98ebe87eef configmanager: Refactor function to avoid re-declaring local variable [luacheck]
Matthew Wild <mwild1@gmail.com>
parents: 6717
diff changeset
196 -- Not a wildcard, so resolve (potentially) relative path and run through config parser
be98ebe87eef configmanager: Refactor function to avoid re-declaring local variable [luacheck]
Matthew Wild <mwild1@gmail.com>
parents: 6717
diff changeset
197 file = resolve_relative_path(config_file:gsub("[^"..path_sep.."]+$", ""), file);
be98ebe87eef configmanager: Refactor function to avoid re-declaring local variable [luacheck]
Matthew Wild <mwild1@gmail.com>
parents: 6717
diff changeset
198 local f, err = io.open(file);
be98ebe87eef configmanager: Refactor function to avoid re-declaring local variable [luacheck]
Matthew Wild <mwild1@gmail.com>
parents: 6717
diff changeset
199 if f then
8153
c22d5680ca68 configmanager: Remove support for multiple parsers, fixes #852.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 7947
diff changeset
200 local ret, err = parser.load(f:read("*a"), file, config_table);
6718
be98ebe87eef configmanager: Refactor function to avoid re-declaring local variable [luacheck]
Matthew Wild <mwild1@gmail.com>
parents: 6717
diff changeset
201 if not ret then error(err:gsub("%[string.-%]", file), 0); end
be98ebe87eef configmanager: Refactor function to avoid re-declaring local variable [luacheck]
Matthew Wild <mwild1@gmail.com>
parents: 6717
diff changeset
202 end
be98ebe87eef configmanager: Refactor function to avoid re-declaring local variable [luacheck]
Matthew Wild <mwild1@gmail.com>
parents: 6717
diff changeset
203 if not f then error("Error loading included "..file..": "..err, 0); end
be98ebe87eef configmanager: Refactor function to avoid re-declaring local variable [luacheck]
Matthew Wild <mwild1@gmail.com>
parents: 6717
diff changeset
204 return f, err;
794
912dc389935a Add Include command to include extra configuration files from the main one
Matthew Wild <mwild1@gmail.com>
parents: 793
diff changeset
205 end
912dc389935a Add Include command to include extra configuration files from the main one
Matthew Wild <mwild1@gmail.com>
parents: 793
diff changeset
206 env.include = env.Include;
5776
bd0ff8ae98a8 Remove all trailing whitespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 5413
diff changeset
207
3610
2084959d4096 configmanager: Update Include and RunScript directives to support paths relative to the (current!) config file
Matthew Wild <mwild1@gmail.com>
parents: 3609
diff changeset
208 function env.RunScript(file)
3905
9222dad9e1e8 configmanager: Support for wildcards in Include directives
Matthew Wild <mwild1@gmail.com>
parents: 3780
diff changeset
209 return dofile(resolve_relative_path(config_file:gsub("[^"..path_sep.."]+$", ""), file));
3610
2084959d4096 configmanager: Update Include and RunScript directives to support paths relative to the (current!) config file
Matthew Wild <mwild1@gmail.com>
parents: 3609
diff changeset
210 end
5776
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Florian Zeitz <florob@babelmonkeys.de>
parents: 5413
diff changeset
211
5021
85b2689dbcfe Eliminate direct setfenv usage
Florian Zeitz <florob@babelmonkeys.de>
parents: 4530
diff changeset
212 local chunk, err = envload(data, "@"..config_file, env);
5776
bd0ff8ae98a8 Remove all trailing whitespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 5413
diff changeset
213
371
0dc5819660e8 Import initial configmanager, not sure if it works yet, but it does pass the unit tests ;)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
214 if not chunk then
0dc5819660e8 Import initial configmanager, not sure if it works yet, but it does pass the unit tests ;)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
215 return nil, err;
0dc5819660e8 Import initial configmanager, not sure if it works yet, but it does pass the unit tests ;)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
216 end
5776
bd0ff8ae98a8 Remove all trailing whitespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 5413
diff changeset
217
371
0dc5819660e8 Import initial configmanager, not sure if it works yet, but it does pass the unit tests ;)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
218 local ok, err = pcall(chunk);
5776
bd0ff8ae98a8 Remove all trailing whitespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 5413
diff changeset
219
371
0dc5819660e8 Import initial configmanager, not sure if it works yet, but it does pass the unit tests ;)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
220 if not ok then
0dc5819660e8 Import initial configmanager, not sure if it works yet, but it does pass the unit tests ;)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
221 return nil, err;
0dc5819660e8 Import initial configmanager, not sure if it works yet, but it does pass the unit tests ;)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
222 end
5776
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Florian Zeitz <florob@babelmonkeys.de>
parents: 5413
diff changeset
223
3613
f617718d2221 configmanager: Change parser API again to pass a config table to insert settings to. Fixes Include(). (Thanks Zash/answerman)
Matthew Wild <mwild1@gmail.com>
parents: 3610
diff changeset
224 return true;
371
0dc5819660e8 Import initial configmanager, not sure if it works yet, but it does pass the unit tests ;)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
225 end
5776
bd0ff8ae98a8 Remove all trailing whitespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 5413
diff changeset
226
371
0dc5819660e8 Import initial configmanager, not sure if it works yet, but it does pass the unit tests ;)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
227 end
0dc5819660e8 Import initial configmanager, not sure if it works yet, but it does pass the unit tests ;)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
228
466
0ecfd89c2cc0 Fix for configmanager when config file can't be found
Matthew Wild <mwild1@gmail.com>
parents: 376
diff changeset
229 return _M;