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Read a container's limits on cgroup v1 hosts in the limit leg

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Lilleman auf Larv
2026-11-09 09:07:33 +01:00
committed by Lillem4n
parent 54e97e626b
commit 67e89da171
1 changed files with 4 additions and 2 deletions
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ci.sh
+4 -2
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@@ -62,9 +62,11 @@ interrupt_stops_container() {
leg "Ctrl-C stops an in_image container ($node_image)" interrupt_stops_container
# memory.swap.max is 0 when --memory-swap equals --memory.
# Equal --memory-swap leaves cgroup v2 a swap.max of 0; cgroup v1 reports it as the memory-plus-swap limit.
container_is_limited() {
[ "$(in_image "$node_image" sh -c 'cat /sys/fs/cgroup/memory.max /sys/fs/cgroup/memory.swap.max' | tr '\n' ' ')" = '8589934592 0 ' ]
local limits
limits=$(in_image "$node_image" sh -c 'cat /sys/fs/cgroup/memory.max /sys/fs/cgroup/memory.swap.max 2>/dev/null || cat /sys/fs/cgroup/memory/memory.limit_in_bytes /sys/fs/cgroup/memory/memory.memsw.limit_in_bytes' | tr '\n' ' ') &&
{ [ "$limits" = '8589934592 0 ' ] || [ "$limits" = '8589934592 8589934592 ' ]; }
}
leg "an in_image container is capped at 8g with no swap ($node_image)" container_is_limited