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preflight memory check: units problems

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/proc/meminfo reports kibibytes. Lower the minimum memory requirement so that 768 MB (not MiB) also is allowed.

Report the detected memory in MB (not KiB), to be clearer.

Fixes #289.
This commit is contained in:
Joshua Tauberer 2015-01-11 14:09:21 +00:00
parent 09713e8eab
commit 87f82addbc
1 changed files with 10 additions and 4 deletions
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14
setup/preflight.sh
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@ -17,13 +17,19 @@ if [ "`lsb_release -d | sed 's/.*:\s*//' | sed 's/14\.04\.[0-9]/14.04/' `" != "U
exit
fi
# Check that we have enough memory. Skip the check if we appear to be
# running inside of Vagrant, because that's really just for testing.
# Check that we have enough memory.
#
# /proc/meminfo reports free memory in kibibytes. Our baseline will be 768 KB,
# which is 750000 kibibytes.
#
# Skip the check if we appear to be running inside of Vagrant, because that's really just for testing.
TOTAL_PHYSICAL_MEM=$(head -n 1 /proc/meminfo | awk '{print $2}')
if [ $TOTAL_PHYSICAL_MEM -lt 786432 ]; then
if [ $TOTAL_PHYSICAL_MEM -lt 750000 ]; then
if [ ! -d /vagrant ]; then
echo "Your Mail-in-a-Box needs more than $TOTAL_PHYSICAL_MEM MB RAM."
TOTAL_PHYSICAL_MEM=$(expr \( \( $TOTAL_PHYSICAL_MEM \* 1024 \) / 1000 \) / 1000)
echo "Your Mail-in-a-Box needs more memory (RAM) to function properly."
echo "Please provision a machine with at least 768 MB, 1 GB recommended."
echo "This machine has $TOTAL_PHYSICAL_MEM MB memory."
exit
fi
fi