[asterisk-bugs] [JIRA] (ASTERISK-23818) PBX_Lua: after asterisk startup module is loaded, but dialplan not available

[George Joseph (JIRA)]

     [ https://issues.asterisk.org/jira/browse/ASTERISK-23818?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Work on ASTERISK-23818 started by George Joseph.

> PBX_Lua: after asterisk startup module is loaded, but dialplan not available
> ----------------------------------------------------------------------------
>
>                 Key: ASTERISK-23818
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-23818
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: PBX/pbx_lua
>    Affects Versions: 11.7.0, 12.3.2
>         Environment: Ubuntu 14.04 64bit
> Linux x201 3.13.0-27-generic #50-Ubuntu SMP Thu May 15 18:06:16 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux
>            Reporter: Dennis Guse
>            Assignee: George Joseph
>            Severity: Minor
>         Attachments: 23818-start.log, 23818-unload-load.log, extensions.conf, extensions.lua, sip.conf
>
>
> The pbx_lua module is loaded successfully on Asterisk startup, but the defined dialplan is not available, resulting in "extension unknown"-messages.
> Using either: module reload pbx_lua.so
> or module unload pbx_lua.so + module load pbx_lua.so
> solves the problem as the configuration is loaded properly.
> modules.conf was not changed (default from Ubuntu maintainers).
> Most probable the configuration done by pbx_lua are overwritten by a component that is loaded later.
> In addition, core reload does not kill the pbx_lua configuration...
> ------
> Hi,
> using the pbx_lua module for almost everything we have found a little annoying "bug". On Asterisk startup the module is loaded - however the configuration (extensions.lua) is not loaded and therefore the lua-defined dialplan is not available. By applying "module reload pbx_lua" the dialplan is loaded as expected (lua dialplan is correct).
> ------
> How to reproduce the problem.
> Details: Asterisk 11.7 running on Ubuntu 14.04
> - Module is loaded on start
> # asterisk -fvvv
> ..SNIP
> [1;30m    -- [0mRegistered extension context 'default'; registrar: pbx_lua
> [1;30m    -- [0mIncluding switch 'Lua/' in context 'default'
> [1;30m    -- [0mRegistered extension context 'parkedcalls'; registrar: features
> [1;30m    -- [0mmerging incls/swits/igpats from old(parkedcalls) to new(parkedcalls) context, registrar = pbx_lua
> [1;30m    -- [0mAdded extension '700' priority 1 to parkedcalls
> [1;30m    -- [0mTime to scan old dialplan and merge leftovers back into the new: 0.000043 sec
> [1;30m    -- [0mTime to restore hints and swap in new dialplan: 0.000003 sec
> [1;30m    -- [0mTime to delete the old dialplan: 0.000005 sec
> [1;30m    -- [0mTotal time merge_contexts_delete: 0.000051 sec
> [1;30m [0mpbx_lua.so => ( [0;33mLua PBX Switch [0m)
> ..SNIP
> - Module is really loaded and thus fails:
> #asterisk -rc "module load pbx_lua" 
> - Let the started Asterisk reload pbx_lua
> # sudo asterisk -rxvvvvv
> > module reload pbx_lua.so
>     -- Reloading module 'pbx_lua.so' (Lua PBX Switch)
>     -- Registered extension context 'default'; registrar: pbx_lua
>     -- Including switch 'Lua/' in context 'default'
>     -- Registered extension context 'parkedcalls'; registrar: features
>     -- merging incls/swits/igpats from old(parkedcalls) to new(parkedcalls) context, registrar = pbx_lua
>     -- Added extension '700' priority 1 to parkedcalls
>     -- Registered extension context 'ael-builtin-h-bubble'; registrar: pbx_ael
>     -- merging incls/swits/igpats from old(ael-builtin-h-bubble) to new(ael-builtin-h-bubble) context, registrar = pbx_lua
>     -- Added extension 'h' priority 9996 to ael-builtin-h-bubble
>     -- Added extension 'h' priority 9995 to ael-builtin-h-bubble
>     -- Added extension 'h' priority 9994 to ael-builtin-h-bubble
>     -- Added extension 'h' priority 9993 to ael-builtin-h-bubble
>     -- Added extension 'h' priority 9992 to ael-builtin-h-bubble
>     -- Added extension 'h' priority 9991 to ael-builtin-h-bubble
>     -- Added extension 'h' priority 1 to ael-builtin-h-bubble
>     -- Registered extension context 'ael-default'; registrar: pbx_ael
>     -- merging incls/swits/igpats from old(ael-default) to new(ael-default) context, registrar = pbx_lua
>     -- Including context 'ael-demo' in context 'ael-default'
>     -- Registered extension context 'ael-demo'; registrar: pbx_ael
>     -- merging incls/swits/igpats from old(ael-demo) to new(ael-demo) context, registrar = pbx_lua
> ...SNIP
> ----
> Investigation:
> I took a look into pbx/pbx_lua.c and actually "load" identical to reload + registering the module at Asterisk. Looks neat.
> {code}
> static int reload(void)
> {
> 	return load_or_reload_lua_stuff();
> }
> static int load_module(void)
> {
> 	int res;
> 	if ((res = load_or_reload_lua_stuff()))
> 		return res;
> 	if (ast_register_switch(&lua_switch)) {
> 		ast_log(LOG_ERROR, "Unable to register LUA PBX switch\n");
> 		return AST_MODULE_LOAD_DECLINE;
> 	}
> 	return AST_MODULE_LOAD_SUCCESS;
> }
> {code}
> ----
> Could it be that the pbx_lua is loaded to early and the dialplan overwritten by some other dialplan-module that is later loaded?



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