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Fix device limitations in podman-remote update on remote systems

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Fixes: https://issues.redhat.com/browse/RUN-2381

Signed-off-by: Jan Rodák <hony.com@seznam.cz>
This commit is contained in:
Jan Rodák
2024-12-03 13:00:21 +01:00
parent 992b80439a
commit 2f31a61cce
12 changed files with 277 additions and 50 deletions
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42
test/apiv2/20-containers.at
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@ -686,19 +686,57 @@ t GET libpod/containers/$cname/json 200 \
if root; then
podman run -dt --name=updateCtr alpine
echo '{"Memory":{"Limit":500000}, "CPU":{"Shares":123}}' >${TMPD}/update.json
echo '{
"Memory":{"Limit":500000},
"CPU":{"Shares":123},
"DeviceReadBPs": [{ "Path": "/dev/zero", "Rate": 10485760 }],
"DeviceWriteBPs": [{ "Path": "/dev/zero", "Rate": 31457280 }],
"DeviceReadIOPs": [{ "Path": "/dev/zero", "Rate": 2000 }],
"DeviceWriteIOPs": [{ "Path": "/dev/zero", "Rate": 4000 }]
}' >${TMPD}/update.json
t POST libpod/containers/updateCtr/update ${TMPD}/update.json 201
cgroupPath=/sys/fs/cgroup/cpu.weight
# 002 is the byte length
cpu_weight_expect=$'\001\0025'
# Verify
# Verify CPU weight
echo '{ "AttachStdout":true,"Cmd":["cat", "'$cgroupPath'"]}' >${TMPD}/exec.json
t POST containers/updateCtr/exec ${TMPD}/exec.json 201 .Id~[0-9a-f]\\{64\\}
eid=$(jq -r '.Id' <<<"$output")
t POST exec/$eid/start 200 $cpu_weight_expect
BlkioDeviceReadBps_expected='[
{
"Path": "/dev/zero",
"Rate": 10485760
}
]'
BlkioDeviceWriteBPs_expected='[
{
"Path": "/dev/zero",
"Rate": 31457280
}
]'
BlkioDeviceReadIOPs_expected='[
{
"Path": "/dev/zero",
"Rate": 2000
}
]'
BlkioDeviceWriteIOPs_expected='[
{
"Path": "/dev/zero",
"Rate": 4000
}
]'
# Verify Device limits
t GET containers/updateCtr/json 200 \
.HostConfig.BlkioDeviceReadBps="$BlkioDeviceReadBps_expected" \
.HostConfig.BlkioDeviceWriteBps="$BlkioDeviceWriteBPs_expected" \
.HostConfig.BlkioDeviceReadIOps="$BlkioDeviceReadIOPs_expected" \
.HostConfig.BlkioDeviceWriteIOps="$BlkioDeviceWriteIOPs_expected" \
# Now use the compat API
echo '{ "Memory": 536870912 }' >${TMPD}/compatupdate.json
t POST containers/updateCtr/update ${TMPD}/compatupdate.json 200