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podman pod create --memory

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using the new resource backend, implement podman pod create --memory which enables
users to modify memory.max inside of the parent cgroup (the pod), implicitly impacting all
children unless overriden

Signed-off-by: Charlie Doern <cdoern@redhat.com>
This commit is contained in:
Charlie Doern
2022-06-28 12:11:29 -04:00
parent b00e65aa9c
commit b92149e2a8
13 changed files with 67 additions and 18 deletions
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10
test/system/200-pod.bats
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@@ -479,21 +479,25 @@ spec:
fi
local name1="resources1"
run_podman --cgroup-manager=systemd pod create --name=$name1 --cpus=5
run_podman --cgroup-manager=systemd pod start $name1
run_podman --cgroup-manager=systemd pod create --name=$name1 --cpus=5 --memory=10m
run_podman --cgroup-manager=systemd pod start $name1
run_podman pod inspect --format '{{.CgroupPath}}' $name1
local path1="$output"
local actual1=$(< /sys/fs/cgroup/$path1/cpu.max)
is "$actual1" "500000 100000" "resource limits set properly"
local actual2=$(< /sys/fs/cgroup/$path1/memory.max)
is "$actual2" "10485760" "resource limits set properly"
run_podman pod --cgroup-manager=systemd rm -f $name1
local name2="resources2"
run_podman --cgroup-manager=cgroupfs pod create --cpus=5 --name=$name2
run_podman --cgroup-manager=cgroupfs pod create --cpus=5 --memory=10m --name=$name2
run_podman --cgroup-manager=cgroupfs pod start $name2
run_podman pod inspect --format '{{.CgroupPath}}' $name2
local path2="$output"
local actual2=$(< /sys/fs/cgroup/$path2/cpu.max)
is "$actual2" "500000 100000" "resource limits set properly"
local actual2=$(< /sys/fs/cgroup/$path2/memory.max)
is "$actual2" "10485760" "resource limits set properly"
run_podman --cgroup-manager=cgroupfs pod rm $name2
}