[PATCH 1/4] tools: docker: Install a readable kernel for libguestfs-tools
takahiro.akashi at linaro.org
Sat Jun 5 07:17:04 CEST 2021
On Fri, Jun 04, 2021 at 10:02:03PM +0300, Alper Nebi Yasak wrote:
> The filesystem and EFI (capsule and secure boot) test setups try to use
> guestmount and virt-make-fs respectively to prepare disk images to run
> tests on. However, these libguestfs tools need a kernel image and fail
> with the following message (revealed in debug/trace mode) if it can't
> find one:
> supermin: failed to find a suitable kernel (host_cpu=x86_64).
> I looked for kernels in /boot and modules in /lib/modules.
> If this is a Xen guest, and you only have Xen domU kernels
> installed, try installing a fullvirt kernel (only for
> supermin use, you shouldn't boot the Xen guest with it).
> This failure then causes these tests to be skipped in CIs. Install a
> kernel package in the Docker containers so the CIs can run these
> tests with libguestfs tools again (assuming the container is run with
> necessary host devices and privileges). As this kernel would be only
> used for virtualization, we can use the kernel package specialized for
> that. On Ubuntu systems kernel images are not readable by non-root
> users, so explicitly add read permissions with chmod as well.
I thought that I had added linux-image-kvm to Travis CI (and hence
other CI loops as well) as part of this patch to fix some test problem.
It seems that it has never been merged, though.
Thank you for the reminder.
> Signed-off-by: Alper Nebi Yasak <alpernebiyasak at gmail.com>
> tools/docker/Dockerfile | 4 ++++
> 1 file changed, 4 insertions(+)
> diff --git a/tools/docker/Dockerfile b/tools/docker/Dockerfile
> index d2f0074ee8a6..563b16639e54 100644
> --- a/tools/docker/Dockerfile
> +++ b/tools/docker/Dockerfile
> @@ -71,6 +71,7 @@ RUN apt-get update && apt-get install -y \
> libssl-dev \
> libudev-dev \
> libusb-1.0-0-dev \
> + linux-image-kvm \
> lzma-alone \
> lzop \
> mount \
> @@ -99,6 +100,9 @@ RUN apt-get update && apt-get install -y \
> zip \
> && rm -rf /var/lib/apt/lists/*
> +# Make kernels readable for libguestfs tools to work correctly
> +RUN chmod +r /boot/vmlinu* /lib/modules/*/vmlinu* || true
> # Manually install libmpfr4 for the toolchains
> RUN wget http://mirrors.kernel.org/ubuntu/pool/main/m/mpfr4/libmpfr4_3.1.4-1_amd64.deb && dpkg -i libmpfr4_3.1.4-1_amd64.deb && rm libmpfr4_3.1.4-1_amd64.deb
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