[Buildroot] [PATCH v3 3/3] support/testing/tests/fs: test OCI format
Arnout Vandecappelle
arnout at mind.be
Fri Sep 10 19:16:17 UTC 2021
On 27/08/2021 22:54, Matthew Weber via buildroot wrote:
> This patch adds runtime testing of the OCI archive created by the
> sloci scripting. It launches a containerd instance, imports, and
> runs the OCI container.
>
> The existing QEMU AARCH64 kernel config was extended to enable common
> options used by a container runtime (cgroup and overlayfs).
>
> Signed-off-by: Matthew Weber <matthew.weber at collins.com>
>
> ---
> The updating of the QEMU AARCH64 kernel config seemed like a better
> option then 1) adding to the docker compose test kernel fragment or
> 2) creating a new fragment for this test.
I think a new fragment would have been better, but potato potato.
Applied to master, thanks.
Regards,
Arnout
> ---
> board/qemu/aarch64-virt/linux.config | 6 +++
> support/testing/tests/fs/test_oci.py | 56 ++++++++++++++++++++++++++++
> 2 files changed, 62 insertions(+)
> create mode 100644 support/testing/tests/fs/test_oci.py
>
> diff --git a/board/qemu/aarch64-virt/linux.config b/board/qemu/aarch64-virt/linux.config
> index 02e0812ffd..e3a4a92913 100644
> --- a/board/qemu/aarch64-virt/linux.config
> +++ b/board/qemu/aarch64-virt/linux.config
> @@ -3,6 +3,11 @@ CONFIG_POSIX_MQUEUE=y
> CONFIG_NO_HZ_IDLE=y
> CONFIG_HIGH_RES_TIMERS=y
> CONFIG_TASKSTATS=y
> +CONFIG_MEMCG=y
> +CONFIG_BLK_CGROUP=y
> +CONFIG_CPUSETS=y
> +CONFIG_CGROUP_DEVICE=y
> +CONFIG_CGROUP_CPUACCT=y
> CONFIG_SCHED_AUTOGROUP=y
> CONFIG_PROFILING=y
> CONFIG_ARCH_VEXPRESS=y
> @@ -62,5 +67,6 @@ CONFIG_ARM_SMMU_V3=y
> CONFIG_EXT4_FS=y
> CONFIG_FUSE_FS=y
> CONFIG_VIRTIO_FS=y
> +CONFIG_OVERLAY_FS=y
> CONFIG_TMPFS=y
> CONFIG_TMPFS_POSIX_ACL=y
> diff --git a/support/testing/tests/fs/test_oci.py b/support/testing/tests/fs/test_oci.py
> new file mode 100644
> index 0000000000..eb5548c510
> --- /dev/null
> +++ b/support/testing/tests/fs/test_oci.py
> @@ -0,0 +1,56 @@
> +import os
> +import shutil
> +import infra.basetest
> +
> +
> +class TestOci(infra.basetest.BRTest):
> + config = \
> + """
> + BR2_aarch64=y
> + BR2_TOOLCHAIN_EXTERNAL=y
> + BR2_LINUX_KERNEL=y
> + BR2_LINUX_KERNEL_CUSTOM_VERSION=y
> + BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE="5.10.61"
> + BR2_LINUX_KERNEL_USE_CUSTOM_CONFIG=y
> + BR2_LINUX_KERNEL_CUSTOM_CONFIG_FILE="board/qemu/aarch64-virt/linux.config"
> + BR2_LINUX_KERNEL_NEEDS_HOST_OPENSSL=y
> + BR2_PACKAGE_CGROUPFS_MOUNT=y
> + BR2_PACKAGE_CONTAINERD=y
> + BR2_TARGET_ROOTFS_EXT2=y
> + BR2_TARGET_ROOTFS_EXT2_SIZE="600M"
> + BR2_TARGET_ROOTFS_OCI=y
> + BR2_TARGET_ROOTFS_OCI_ENTRYPOINT="df"
> + BR2_TARGET_ROOTFS_OCI_ENTRYPOINT_ARGS="-h"
> + BR2_TARGET_ROOTFS_OCI_ARCHIVE=y
> + # BR2_TARGET_ROOTFS_TAR is not set
> + """
> +
> + def login(self):
> + rootfs = os.path.join(self.builddir, "images", "rootfs.ext2")
> + kern = os.path.join(self.builddir, "images", "Image")
> + self.emulator.boot(arch="aarch64",
> + kernel=kern,
> + kernel_cmdline=["root=/dev/vda", "console=ttyAMA0"],
> + options=["-M", "virt",
> + "-cpu", "cortex-a57",
> + "-m", "512M",
> + "-drive", "file={},format=raw,if=virtio".format(rootfs)])
> + self.emulator.login()
> +
> + def place_test_oci(self):
> + shutil.copy(os.path.join(self.builddir, 'images', 'rootfs-oci-latest-aarch64-linux.oci-image.tar'),
> + os.path.join(self.builddir, 'target', 'oci.tar'))
> + self.b.build()
> +
> + def test_run(self):
> + self.place_test_oci()
> + self.login()
> +
> + cmd = "containerd &"
> + self.assertRunOk(cmd)
> +
> + cmd = "ctr image import --base-name buildroot-test /oci.tar"
> + self.assertRunOk(cmd, timeout=120)
> +
> + cmd = "ctr run --rm --tty buildroot-test:latest v1"
> + self.assertRunOk(cmd, timeout=120)
>
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