[mapserver-dev] Draft proposal for 8.0 - Site Context FIles

Even Rouault even.rouault at spatialys.com
Sat Apr 3 04:37:37 PDT 2021


Excellent initiative. A few remarks:

- Why not calling this a configuration file ? I believe it would be 
slightly clearer than context

- Since MS 8.0 will include nlohmann/json, perhaps consider a JSON 
configuration file rather than our historical mapfile-like syntax ? This 
would allow to develop a json-schema for validation. Your example would 


   "env": {

     "#comment": "put some comment here"

     "|MS_MAP_NO_PATH": "true"


   "maps": {

    "|MAP1": "/opt/mapserver/myapp/map1.map",|

|  "MAP2": "||/opt/mapserver/myapp/map2.map"|




- Regarding using putenv(), I'm not sure this is a good idea in FastCGI 
mode, according to what is mentioned in 
http://web.mit.edu/wwwdev/man/man3/FCGI_Accept.3.  Using GDAL 
CPLSetConfigOption() instead of putenv() and CPLGetConfigOption() 
instead of getenv() would avoid messing with the "environ" global 
variable. (unless I'm wrong our CI doesn't test at all CGI / FastCGI ... 
I'll try to look at adding some testing of this)


Le 02/04/2021 à 23:19, Steve Lime a écrit :
> Hi all: Just thinking about ways to make configuring MapServer easier 
> for information you can't or don't want to manage in mapfiles. 
> Currently that is done via environment variables. Another option would 
> be the use of config/ini-type file. I've started a draft RFC for 
> something I'll call a MapServer context file for the moment. See 
> https://github.com/sdlime/mapserver/wiki/MapServer-8.0-Context-File 
> <https://github.com/sdlime/mapserver/wiki/MapServer-8.0-Context-File> 
> for more information. Just floating an idea at this point...
> --Steve
> _______________________________________________
> mapserver-dev mailing list
> mapserver-dev at lists.osgeo.org
> https://lists.osgeo.org/mailman/listinfo/mapserver-dev

My software is free, but my time generally not.

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