[Buildroot] [PATCH 0/7] [RFC] Introduce services as a (long-term) replacement for _INSTALL_INIT_(SYSV|SYSTEMD) (branch yem/services)

[Mike Williams]

Yann,

This is almost exactly what I was looking for.

On Wed, Mar 11, 2015 at 6:30 PM, Yann E. MORIN <yann.morin.1998 at free.fr> wrote:
> Hello All!
>
> Following up on Gustavo's proposal [0] on a clean up on our init
> scripts (and eventually our systemd unit files), here is an *RFC*
> series that tries to implement Gustavo's idea.
>
> The series is split in four parts:
>
>   - patches 1-3 are preparatory work, and not much interesting in the
>     Grand Scheme of Life;
>
>   - patches 4-5 introduce a generated kconfig snippet, that contains
>     the list of services for each enabled packages, that the user can
>     enable/disable at will, directly from the menuconfig (for now, the
>     default is that all services are disabled, that can be changed
>     later);
>
>   - patch 6 is the guts that installs the service files:
>     - installs the service's startup script,
>     - enables/disables the service,
>     - installs the service's configuration, if it exists;
>
>   - patch 7 is just an example (with empty scripts) of how to declare
>     services in a package.
>
> To be noted:
>   - the code will need some revamp; this is just meant to be an RFC!
>   - only sysv init is handled for now

I think systemd could be handled without much effort. Using something
similar to your sysv code, all systemd service files would be
installed to /usr/lib/systemd/system/ and enabled by symlinking to
/etc/systemd/system/multi-user.target.wants/

>   - this is by far incomplete even for the sysv case
>   - the /etc/config/ part has been left out for now; it would anyway
>     most probably provided via a rootfs-overlay
>   - the manual part is missing
>   - there are typoes all over the place :-/
>
> As usual: on your mark, get set, comment! ;-)
>
> [0] http://lists.busybox.net/pipermail/buildroot/2015-March/121086.html
>
> Regards,
> Yann E. MORIN.
>
>
> The following changes since commit a4788aa6157d1496cdd32cb9802710d4e97bc550:
>
>   btrfs-progs: bump to version 3.19 (2015-03-11 22:38:36 +0100)
>
> are available in the git repository at:
>
>   git://git.busybox.net/~ymorin/git/buildroot yem/services
>
> for you to fetch changes up to f2c8684c9a6cfa5cfe8d776ac8ce4693667c329f:
>
>   [NOT TO BE APPLIED] package/busybox: add afake services as example (2015-03-11 23:08:51 +0100)
>
> ----------------------------------------------------------------
> Yann E. MORIN (7):
>       package infra: print the name of the package being parsed
>       Makefile: always scan packages' .mk files, even with no .config
>       Makefile: introduce a intermediate rule before the configurators
>       packages: introduce a generated kconfig snippet in the menuconfig
>       packages: generate services sub-menu
>       [INCOMPLETE] pkg-generic: act on enabled services
>       [NOT TO BE APPLIED] package/busybox: add afake services as example
>
>  Config.in                    |  4 +++
>  Makefile                     | 67 ++++++++++++++++++++++++++++----------------
>  package/Config.in            |  2 ++
>  package/busybox/S98bar       |  0
>  package/busybox/S99foo       |  0
>  package/busybox/bar.defaults |  1 +
>  package/busybox/busybox.mk   |  2 ++
>  package/pkg-generic.mk       | 28 ++++++++++++++++++
>  package/pkg-utils.mk         |  3 ++
>  9 files changed, 83 insertions(+), 24 deletions(-)
>  create mode 100644 package/busybox/S98bar
>  create mode 100644 package/busybox/S99foo
>  create mode 100644 package/busybox/bar.defaults
>
> --
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