install.fairie/home/.chezmoiscripts/linux/run_onchange_before_configure-swap.tmpl
Brian Zalewski 5cf33123e2 Update 4 files
- /home/.chezmoiscripts/linux/run_onchange_before_10-system-tweaks
- /home/.chezmoiscripts/linux/run_onchange_before_configure-swap
- /home/.chezmoiscripts/linux/run_onchange_before_10-system-tweaks.tmpl
- /home/.chezmoiscripts/linux/run_onchange_before_configure-swap.tmpl
2022-12-25 08:36:24 +00:00

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953 B
Bash

#!/usr/bin/env bash
# TODO - make equivalent to https://gitlab.com/megabyte-labs/gas-station/-/blob/master/roles/system/common/tasks/linux/swap.yml
{{ includeTemplate "universal/profile" }}
{{ includeTemplate "universal/logg" }}
MEMORY_IN_KB="$(grep MemTotal /proc/meminfo | sed 's/.* \(\d+\) kB/\1/')"
MEMORY_IN_GB="$((MEMORY_IN_KB / 1024 / 1024))"
if [ "$MEMORY_IN_GB" -gt 64 ]; then
SWAP_SPACE="$((MEMORY_IN_GB / 10))"
elif [ "$MEMORY_IN_GB" -gt 32 ]; then
SWAP_SPACE="$((MEMORY_IN_GB / 8))"
elif [ "$MEMORY_IN_GB" -gt 8 ]; then
SWAP_SPACE="$((MEMORY_IN_GB / 4))"
else
SWAP_SPACE="$MEMORY_IN_GB"
fi
logg info "Creating a $SWAP_SPACE GB /swapfile"
sudo fallocate -l "$SWAP_SPACE" /swapfile
sudo chmod 600 /swapfile
sudo mkswap /swapfile
sudo swapon /swapfile
if cat /etc/fstab | grep "/swapfile"; then
sudo sed -i '/\/swapfile/\/swapfile none swap sw 0 0/' /etc/fstab
else
echo "/swapfile none swap sw 0 0" | sudo tee -a /etc/fstab
fi