[meta-virtualization] [PATCH 2/2] Created new target:kvm-image-minimal

[Prica, Mihai]

-----Original Message-----
From: McClintock Matthew-B29882 [mailto:B29882 at freescale.com] 
Sent: Monday, January 07, 2013 10:27 PM
To: Bruce Ashfield
Cc: Prica, Mihai; meta-virtualization at yoctoproject.org
Subject: Re: [meta-virtualization] [PATCH 2/2] Created new target:kvm-image-minimal

On Mon, Jan 7, 2013 at 7:47 AM, Bruce Ashfield <bruce.ashfield at gmail.com> wrote:
>
>
>
> On Mon, Jan 7, 2013 at 7:08 AM, Mihai Prica <mihai.prica at intel.com> wrote:
>>
>> Signed-off-by: Mihai Prica <mihai.prica at intel.com>
>> ---
>>  recipes-extended/images/kvm-image-minimal.bb |   22
>> ++++++++++++++++++++++
>>  1 file changed, 22 insertions(+)
>>  create mode 100644 recipes-extended/images/kvm-image-minimal.bb
>>
>> diff --git a/recipes-extended/images/kvm-image-minimal.bb
>> b/recipes-extended/images/kvm-image-minimal.bb
>> new file mode 100644
>> index 0000000..486cd9c
>> --- /dev/null
>> +++ b/recipes-extended/images/kvm-image-minimal.bb
>> @@ -0,0 +1,22 @@
>> +DESCRIPTION = "A minimal kvm image"
>> +
>> +IMAGE_INSTALL = " \
>> +    packagegroup-core-boot \
>
>
> Have you thought about an image variant that isn't actually bootable ? 
> There are quite a few use cases where having the build not depend on a 
> kernel, but instead simply creates a userspace that can be booted via 
> feeding an external kernel directly to qemu on the command line.
>
> Not having the kernel decadency turns out to be quite useful when you 
> want to build a KVM host and KVM guest kernel with different 
> configurations, in a single build.

I don't exactly understand what you mean by " an image variant that isn't actually bootable ?". I just used core-image-minimal as a starting point. Using this recipe you just get the ext3 and the kernel, you don't get an hddimg..

> I've shared this with Bruce before so I thought I would share on this list also. It's hacky and possibly not the way to go but we have been doing this in a kvm image. Not the depends, and the post process addition.
>
> fsl-image-kvm.bb:
>
> #
> # Copyright (C) 2007 OpenedHand Ltd.
> #
> IMAGE_INSTALL = "packagegroup-core-boot ${ROOTFS_PKGMANAGE_BOOTSTRAP} u-boot"
> IMAGE_LINGUAS = " "
>
> PR = "r1"
>
> LICENSE = "MIT"
>
> inherit core-image
>
> IMAGE_ROOTFS_SIZE = "8192"
>
> # remove not needed ipkg informations
> ROOTFS_POSTPROCESS_COMMAND += "remove_packaging_data_files ; mkdir ${IMAGE_ROOTFS}/images; cp ${DEPLOY_DIR_IMAGE}/fsl-image-minimal-${MACHINE}.ext2.gz.u-boot
> ${IMAGE_ROOTFS}/images"
>
> IMAGE_FSTYPES = "tar.gz ext2.gz.u-boot"
>
> # pkgconfig is here for qemu, and it's not in DEPENDS because of multilib # build issues. to fix later IMAGE_INSTALL += "pkgconfig qemu kernel-image"
>
> do_rootfs[depends] += "fsl-image-minimal:do_rootfs"

Thanks for the recipe. I'll see what I can use from it.
 

Mihai
>
>
> Cheers,
>
> Bruce
>
>>
>> +    ${ROOTFS_PKGMANAGE_BOOTSTRAP} \
>> +    qemu \
>> +    libvirt \
>> +    libvirt-libvirtd \
>> +    libvirt-virsh \
>> +    "
>> +
>> +IMAGE_FEATURES += "ssh-server-openssh"
>> +
>> +IMAGE_LINGUAS = " "
>> +
>> +LICENSE = "MIT"
>> +
>> +inherit core-image
>> +
>> +IMAGE_ROOTFS_SIZE = "8192"
>> +
>> +ROOTFS_POSTPROCESS_COMMAND += "remove_packaging_data_files ; "
>> --
>> 1.7.9.5
>>
>> _______________________________________________
>> meta-virtualization mailing list
>> meta-virtualization at yoctoproject.org
>> https://lists.yoctoproject.org/listinfo/meta-virtualization
>
>
>
>
> --
> "Thou shalt not follow the NULL pointer, for chaos and madness await 
> thee at its end"
>
> _______________________________________________
> meta-virtualization mailing list
> meta-virtualization at yoctoproject.org
> https://lists.yoctoproject.org/listinfo/meta-virtualization
>