[OE-core] [PATCH V5 3/3] extrausers.bbclass: add a new bbclass

[ChenQi]

On 07/17/2013 07:47 AM, Saul Wold wrote:
> On 07/15/2013 11:27 PM, Qi.Chen at windriver.com wrote:
>> From: Chen Qi <Qi.Chen at windriver.com>
>>
>> This class is dedicated to image level user/group configuration.
>> It inherits useradd_base.bbclass.
>>
>> Users need to inherit this class in their layers or local.conf to
>> make the setting of EXTRA_USERS_PARAMS effective.
>>
>> For detailed configuration format of EXTRA_USERS_PARAMS, please
>> refer to local.conf.sample.extended.
>>
>> [YOCTO #4074]
>>
>> Signed-off-by: Chen Qi <Qi.Chen at windriver.com>
>> ---
>>   meta/classes/extrausers.bbclass |   61 
>> +++++++++++++++++++++++++++++++++++++++
>>   1 file changed, 61 insertions(+)
>>   create mode 100644 meta/classes/extrausers.bbclass
>>
>> diff --git a/meta/classes/extrausers.bbclass 
>> b/meta/classes/extrausers.bbclass
>> new file mode 100644
>> index 0000000..ec66913
>> --- /dev/null
>> +++ b/meta/classes/extrausers.bbclass
>> @@ -0,0 +1,61 @@
>> +# This bbclass is mainly used for image level user/group configuration.
>> +# Inherit this class if you want to make EXTRA_USERS_PARAMS effective.
>> +
>> +# Below is an example showing how to use this functionality.
>> +# INHERIT += "extrausers"
>> +# EXTRA_USERS_PARAMS = "\
>> +# useradd,-p '' tester; \
>> +# groupadd,developers; \
>> +# userdel,nobody; \
>> +# groupdel,-g video; \
>> +# groupmod,-g 1020 developers; \
>> +# usermod,-s /bin/sh tester; \
>> +# "
>> +
> Why use a , here to separate the command from the parameters, you 
> already have the ; to separate commands while not use the first item 
> for the command and the rest for the parameters.
>
> Sau!
>

I agree.
I'll fix this and send out V6. I'll also change the example in meta-yocto.

Thanks,
Chen Qi



>> +
>> +inherit useradd_base
>> +
>> +IMAGE_INSTALL_append = " ${@['', 'base-passwd 
>> shadow'][bool(d.getVar('EXTRA_USERS_PARAMS', True))]}"
>> +
>> +# Image level user / group settings
>> +ROOTFS_POSTPROCESS_COMMAND_append = " set_user_group;"
>> +
>> +# Image level user / group settings
>> +set_user_group () {
>> +    user_group_settings="${EXTRA_USERS_PARAMS}"
>> +    export PSEUDO="${FAKEROOTENV} 
>> ${STAGING_DIR_NATIVE}${bindir}/pseudo"
>> +    setting=`echo $user_group_settings | cut -d ';' -f1`
>> +    remaining=`echo $user_group_settings | cut -d ';' -f2-`
>> +    while test "x$setting" != "x"; do
>> +        cmd=`echo $setting | cut -d ',' -f1`
>> +        opts=`echo $setting | cut -d ',' -f2`
>> +        # Different from useradd.bbclass, there's no file locking 
>> issue here, as
>> +        # this setting is actually a serial process. So we only 
>> retry once.
>> +        case $cmd in
>> +            useradd)
>> +                perform_useradd "${IMAGE_ROOTFS}" "-R 
>> ${IMAGE_ROOTFS} $opts" 1
>> +                ;;
>> +            groupadd)
>> +                perform_groupadd "${IMAGE_ROOTFS}" "-R 
>> ${IMAGE_ROOTFS} $opts" 1
>> +                ;;
>> +            userdel)
>> +                perform_userdel "${IMAGE_ROOTFS}" "-R 
>> ${IMAGE_ROOTFS} $opts" 1
>> +                ;;
>> +            groupdel)
>> +                perform_groupdel "${IMAGE_ROOTFS}" "-R 
>> ${IMAGE_ROOTFS} $opts" 1
>> +                ;;
>> +            usermod)
>> +                perform_usermod "${IMAGE_ROOTFS}" "-R 
>> ${IMAGE_ROOTFS} $opts" 1
>> +                ;;
>> +            groupmod)
>> +                perform_groupmod "${IMAGE_ROOTFS}" "-R 
>> ${IMAGE_ROOTFS} $opts" 1
>> +                ;;
>> +            *)
>> +                bbfatal "Invalid command in EXTRA_USERS_PARAMS: $cmd"
>> +                ;;
>> +        esac
>> +        # iterate to the next setting
>> +        setting=`echo $remaining | cut -d ';' -f1`
>> +        remaining=`echo $remaining | cut -d ';' -f2-`
>> +    done
>> +}
>>
>
>