[RFC] ci: Add support for Cirrus-CI service to test FreeBSD.

[Aaron Conole]

Patrick Robb <probb at iol.unh.edu> writes:

> On Tue, Feb 4, 2025 at 11:07 AM Aaron Conole <aconole at redhat.com> wrote:
>
>  This commit adds preliminary support for developer driven FreeBSD testing
>  via the Cirrus-CI cloud continuous integration system.
>
>  NOTE: Currently, this does not successfully execute.  See the following
>  build result:
>    https://cirrus-ci.com/task/5626189961756672
>
>  Full Logs:
>    https://api.cirrus-ci.com/v1/task/5626189961756672/logs/check.log
>
>  The tests themselves may need to be run as root.
>
>  Signed-off-by: Aaron Conole <aconole at redhat.com>
>  ---
>   .ci/freebsd-build.sh |  5 +++++
>   .ci/freebsd-setup.sh |  3 +++
>   .cirrus.yml          | 33 +++++++++++++++++++++++++++++++++
>   MAINTAINERS          |  1 +
>   4 files changed, 42 insertions(+)
>   create mode 100755 .ci/freebsd-build.sh
>   create mode 100755 .ci/freebsd-setup.sh
>   create mode 100644 .cirrus.yml
>
>  diff --git a/.ci/freebsd-build.sh b/.ci/freebsd-build.sh
>  new file mode 100755
>  index 0000000000..099f9fd448
>  --- /dev/null
>  +++ b/.ci/freebsd-build.sh
>  @@ -0,0 +1,5 @@
>  +#!/bin/sh
>  +
>  +cd build
>  +ninja
>  +meson install
>  diff --git a/.ci/freebsd-setup.sh b/.ci/freebsd-setup.sh
>  new file mode 100755
>  index 0000000000..762a8383c3
>  --- /dev/null
>  +++ b/.ci/freebsd-setup.sh
>  @@ -0,0 +1,3 @@
>  +#!/bin/sh
>  +
>  +meson setup build
>  diff --git a/.cirrus.yml b/.cirrus.yml
>  new file mode 100644
>  index 0000000000..727dcb14f4
>  --- /dev/null
>  +++ b/.cirrus.yml
>  @@ -0,0 +1,33 @@
>  +freebsd_build_task:
>  +
>  +  freebsd_instance:
>  +    matrix:
>  +      image_family: freebsd-15-0-snap
>  +      image_family: freebsd-14-2-snap
>  +    cpu: 4
>  +    memory: 4G
>  +
>  +  env:
>  +    DEPENDENCIES: git gcc wget openssl python3 meson pkgconf
>  +    PY_DEPS:      pyelftools
>  +    matrix:
>  +      COMPILER: gcc
>  +      COMPILER: clang
>  +
>  +  prepare_script:
>  +    - sysctl -w kern.coredump=0
>  +    - pkg update -f
>  +    - pkg install -y ${DEPENDENCIES}
>  +        $(pkg search -xq "^py3[0-9]+-(${PY_DEPS})-[0-9]+" | xargs)
>  +    - mkdir -p /usr/src
>  +    - git clone --depth 1 https://git.freebsd.org/src.git /usr/src
>
> Sorry, do you mind explaining why this is needed? And should it be cloning to main or to the latest LTS tag? I think I am ignorant of what is
> required for your build process.

[1933/1938] Generating kernel/freebsd/contigmem with a custom command
FAILED: kernel/freebsd/contigmem.ko 
/usr/bin/make -f ../kernel/freebsd/BSDmakefile.meson KMOD_OBJDIR=kernel/freebsd KMOD_SRC=../kernel/freebsd/contigmem/contigmem.c KMOD=contigmem 'KMOD_CFLAGS=-I/tmp/cirrus-ci-build/build -I/tmp/cirrus-ci-build/config -include rte_config.h' CC=clang
make: "/usr/share/mk/bsd.sysdir.mk" line 16: Unable to locate the kernel source tree. Set SYSDIR to override.
	in /usr/share/mk/bsd.kmod.mk:4
	in ../kernel/freebsd/BSDmakefile.meson:18

without this, no contigmem support.

>  +
>  +  configure_script:
>  +    - ./.ci/freebsd-setup.sh
>  +
>  +  build_script:
>  +    - ./.ci/freebsd-build.sh
>  +
>  +  check_script:
>  +    - meson test -C build --suite fast-tests -t 3
>
> You might be interested in this thread: https://bugs.dpdk.org/show_bug.cgi?id=761
>
> See Cody's comment from last April about unit tests being broken on FreeBSD 13.0 and 14.0. My recollection is that there is no volunteer to
> resolve these issues currently, which is why we are not targeting unit tests for FreeBSD at the Community Lab - only build tests.

Hrrm... that's an interesting issue.  We probably do need some eyeballs
on the FreeBSD support side.

Thanks for taking a look.

>  +            || { cat ./build/meson-logs/testlog.txt; exit 1; }
>  diff --git a/MAINTAINERS b/MAINTAINERS
>  index b86cdd266b..ed1df17f3c 100644
>  --- a/MAINTAINERS
>  +++ b/MAINTAINERS
>  @@ -142,6 +142,7 @@ M: Aaron Conole <aconole at redhat.com>
>   M: Michael Santana <maicolgabriel at hotmail.com>
>   F: .github/workflows/build.yml
>   F: .ci/
>  +F: .cirrus.yml
>
>   Driver information
>   M: Dmitry Kozlyuk <dmitry.kozliuk at gmail.com>
>  -- 
>  2.47.1
>
> Looks like it makes sense overall, thanks.
>
> Reviewed-by: Patrick Robb <probb at iol.unh.edu>