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More sanity in free memory calculation

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Co-authored-by: ljf (zamentur) <zamentur@users.noreply.github.com>
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tituspijean 2024-08-17 09:48:35 +02:00 • committed by GitHub
parent e039d2e195
commit 43992e1338
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1 changed files with 4 additions and 7 deletions
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11
helpers/helpers.v1.d/hardware
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@ -144,21 +144,18 @@ ynh_add_swap () {
return
fi
local swap_max_size_kb=$(( size * 1024 ))
local free_space_kb
free_space_kb=$(df --block-size=K --output=avail "$swapfile_dir" | sed 1d | sed -e 's/K$//')
# Because we don't want to fill the disk with a swap file, divide by 2 the available space.
local usable_space_kb=$(( free_space_kb / 2 ))
# We don't want to fill the disk with a swap file.
local usable_space=$(( free_space_kb / 1024 - 1024 ))
# Compare the available space with the size of the swap.
# And set a acceptable size from the request
size_space_ratio=$(( swap_max_size_kb / usable_space_kb + 1 ))
if (( size_space_ratio > 4)); then
if (( size > usable_space )); then
ynh_print_warn --message="Not enough space for a swap file at $swapfile_path."
return
fi
swap_size_kb=$(( swap_max_size_kb / size_space_ratio ))
swap_size_kb=$(( size * 1024 ))
# Configure swappiness
if [ ! -f /etc/sysctl.d/999-yunohost-swap.conf ]; then