[meta-intel] [PATCHv3 6/6] rmc: document and examples for RMC feature

[Jianxun Zhang]

> On Jul 21, 2016, at 3:41 PM, Tom Zanussi <tom.zanussi at linux.intel.com> wrote:
> 
> On 07/21/2016 03:37 AM, Jianxun Zhang wrote:
>> Provide a README for RMC feature. Also check in fingerprints and
>> configuration data for several boards as examples for users.
>> They can be used for validation too.
>> 
>> Signed-off-by: Jianxun Zhang <jianxun.zhang at linux.intel.com>
> 
> [...]
> 
>> +
>> +Note 3:
>> +At runtime, RMC installer tries to fetch INSTALLER.CONFIG file specific to the
>> +board, then tries to fetch each file specified in this config file, and then
>> +deploy the file onto target with its permissions, UID, GID and other attributes
>> +also specified in this config file if file for the board can be retrieved from
>> +RMC database. The format of this file is (# is for comment line)
>> +
>> +# name:uid:gid:mode:path_on_target
>> +# to create a directory, add a “/” at the end of path_on_target:
>> +audio_policy:0:0:600:/etc/audio/
>> +audio_def_policy:0:0:600:/etc/audio/audio_policy
>> +
>> +The first line tells RMC installer to create a directory “audio” in /etc. If any
>> +parent directory doesn’t exist, installer will create it. The above example
>> +creates /etc/audio directory first, then fetch a file named “audio_def_policy”
>> +from RMC database for the board, then copy it to /etc/audio/ with a new name
>> +“audio_policy”.
>> +
> 
> This example explicitly creates the /etc/audio directory first, then the
> audio_policy file inside.  It seems you're doing this here just as an
> example, but when I tried without creating the /etc/audio directory
> first, it failed…
Great catch! The correct information is in commit msg of installer patch, but not updated in README. :-(
Will fix this.

> 
> Tom
> 
>> +If this config file is not provided, only default entries “boot” and “install”
>> +from OE are in boot menu. The name of this config file is what installer looks
>> +up first, so it must be “INSTALLER.CONFIG”.
>> +
>> +
>