Akihiro Suda
b3175b8e99
kubelet: fix Turning off swap in unprivileged tmpfs mounts unsupported
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Fix issue 125137
Signed-off-by: Akihiro Suda <akihiro.suda.cz@hco.ntt.co.jp >
2024-05-27 19:07:06 +09:00
Itamar Holder
a6b971f14b
Use kubelet owned directories for mounting rather than /tmp
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Signed-off-by: Itamar Holder <iholder@redhat.com >
2024-05-21 13:18:16 +03:00
Itamar Holder
29535c0463
Warn of swap is enabled on the OS and tmpfs noswap is not supported
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When --fail-swap-on=false kubelet CLI argument
is provided, but tmpfs noswap is not supported
by the kernel, warn about the risks of memory-backed
volumes being swapped into disk
Signed-off-by: Itamar Holder <iholder@redhat.com >
2024-05-21 13:18:16 +03:00
Itamar Holder
e7df4d17c4
Add a isSwapOnAccordingToProcSwaps() function and swap utils unit tests
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Signed-off-by: Itamar Holder <iholder@redhat.com >
2024-05-21 13:18:16 +03:00
Itamar Holder
2a174d09fa
If the kernel version is at least 6.4, assume tmpfs noswap is supported
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Signed-off-by: Itamar Holder <iholder@redhat.com >
2024-05-21 13:18:16 +03:00
Itamar Holder
fb6c78c90b
Use tmpfs noswap if supported
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use the tmpfs noswap option in order
to mount memory-backed volumes if it's supported.
Signed-off-by: Itamar Holder <iholder@redhat.com >
2024-05-21 13:18:16 +03:00
