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#!/usr/bin/env bats -*- bats -*-
#
# podman blkio-related tests
#
load helpers
function teardown() {
lofile=${PODMAN_TMPDIR}/disk.img
if [ -f ${lofile} ]; then
run_podman '?' rm -t 0 --all --force
while read path dev; do
if [[ "$path" == "$lofile" ]]; then
losetup -d $dev
fi
done < <(losetup -l --noheadings --output BACK-FILE,NAME)
rm ${lofile}
fi
basic_teardown
}
@test "podman run --blkio-weight-device" {
skip_if_rootless "cannot create devices in rootless mode"
# create loopback device
lofile=${PODMAN_TMPDIR}/disk.img
fallocate -l 1k ${lofile}
losetup -f ${lofile}
run losetup -l --noheadings --output BACK-FILE,NAME,MAJ:MIN
is "$output" ".\+" "Empty output from losetup"
lodevice=$(awk "\$1 == \"$lofile\" { print \$2 }" <<<"$output")
lomajmin=$(awk "\$1 == \"$lofile\" { print \$3 }" <<<"$output")
is "$lodevice" ".\+" "Could not determine device for $lofile"
is "$lomajmin" ".\+" "Could not determine major/minor for $lofile"
# use bfq io scheduler
run grep -w bfq /sys/block/$(basename ${lodevice})/queue/scheduler
if [ $status -ne 0 ]; then
skip "BFQ scheduler is not supported on the system"
fi
echo bfq > /sys/block/$(basename ${lodevice})/queue/scheduler
# run podman
if is_cgroupsv2; then
if [ ! -f /sys/fs/cgroup/system.slice/io.bfq.weight ]; then
skip "Kernel does not support BFQ IO scheduler"
fi
run_podman run --device ${lodevice}:${lodevice} --blkio-weight-device ${lodevice}:123 --rm $IMAGE \
/bin/sh -c "cat /sys/fs/cgroup/\$(sed -e 's/0:://' < /proc/self/cgroup)/io.bfq.weight"
is "${lines[1]}" "${lomajmin}\s\+123"
else
if [ ! -f /sys/fs/cgroup/blkio/system.slice/blkio.bfq.weight_device ]; then
skip "Kernel does not support BFQ IO scheduler"
fi
if [ $(podman_runtime) = "crun" ]; then
# As of crun 1.2, crun doesn't support blkio.bfq.weight_device
skip "crun doesn't support blkio.bfq.weight_device"
fi
run_podman run --device ${lodevice}:${lodevice} --blkio-weight-device ${lodevice}:123 --rm $IMAGE \
/bin/sh -c "cat /sys/fs/cgroup/blkio/blkio.bfq.weight_device"
is "${lines[1]}" "${lomajmin}\s\+123"
fi
}
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