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