[meta-virtualization] [RFC] xen: Break volatiles out into separate package.

[Bruce Ashfield]

On Tue, Dec 3, 2013 at 9:20 PM, Philip Tricca <flihp at twobit.us> wrote:
> The Xen scripts for handling block and vif udev events depend on
> directories created by the Xen volatile directories. In a situation
> where the 'base' Xen package isn't installed (NDVM etc) these
> scripts fail silently. The most simple approach I could come up
> with is just breaking the Xen volatiles config out into it's own
> package and setting up the logical dependencies.
>
> Creating a new package for just a single file seems like overkill
> to me but it's the most straightforward thing I could come up with.

This seems reasonable to me, there are plenty of other one file package
examples (in particular since the update-rc.d only works for one initscript
per package), so that isn't all that out of the ordinary.

So to my eye, this looks ok.

Bruce

>
> Regards,
> Philip
>
> Signed-off-by: Philip Tricca <flihp at twobit.us>
> ---
>  recipes-extended/xen/xen.inc |    8 +++++++-
>  1 file changed, 7 insertions(+), 1 deletion(-)
>
> diff --git a/recipes-extended/xen/xen.inc b/recipes-extended/xen/xen.inc
> index 9d43814..e31e996 100644
> --- a/recipes-extended/xen/xen.inc
> +++ b/recipes-extended/xen/xen.inc
> @@ -53,12 +53,14 @@ RDEPENDS_${PN}-base = "\
>  RDEPENDS_${PN}-scripts-block = "\
>      ${PN}-scripts-common \
>      ${PN}-udev \
> +    ${PN}-volatiles \
>      "
>
>  RDEPENDS_${PN}-scripts-network = "\
>      bridge-utils \
>      ${PN}-scripts-common \
>      ${PN}-udev \
> +    ${PN}-volatiles \
>      "
>
>  PACKAGES = "\
> @@ -106,6 +108,7 @@ PACKAGES = "\
>      ${PN}-scripts-network \
>      ${PN}-staticdev \
>      ${PN}-udev \
> +    ${PN}-volatiles \
>      ${PN}-xcutils \
>      ${PN}-xencommons \
>      ${PN}-xend \
> @@ -210,7 +213,6 @@ FILES_${PN}-hypervisor = "\
>      "
>
>  FILES_${PN}-base = "\
> -    ${sysconfdir}/default/volatiles/99_xen \
>      ${sysconfdir}/default/xencommons \
>      ${sysconfdir}/default/xendomains \
>      ${sysconfdir}/xen/auto \
> @@ -425,6 +427,10 @@ FILES_${PN}-udev = "\
>      ${sysconfdir}/udev/rules.d/xend.rules \
>      "
>
> +FILES_${PN}-volatiles = "\
> +    ${sysconfdir}/default/volatiles/99_xen \
> +    "
> +
>  FILES_${PN}-xcutils = "\
>      ${libdir}/xen/bin/lsevtchn \
>      ${libdir}/xen/bin/readnotes \
> --
> 1.7.10.4
>
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"Thou shalt not follow the NULL pointer, for chaos and madness await
thee at its end"