#!/bin/sh

set -e
set -o xtrace

export DEBIAN_FRONTEND=noninteractive

mkdir -p /usr/share/mongodb

cat > /usr/share/mongodb/check-numa.sh << '_EOF_'
#!/bin/sh
# Handle NUMA access to CPUs (SERVER-3574)
# This verifies the existence of numactl as well as testing that the command works
# Then it generates an environment file for systemd
NUMACTL_ARGS="--interleave=all"
if which numactl >/dev/null 2>/dev/null && numactl $NUMACTL_ARGS ls / >/dev/null 2>/dev/null
then
  echo -n NUMACTL="$(which numactl) $NUMACTL_ARGS" > /etc/numactl.env
else
  echo -n NUMACTL="" > /etc/numactl.env
fi
_EOF_

chmod 755 /usr/share/mongodb/check-numa.sh