serf

install_serf.sh

yum install -y curl unzip rpm-build rpmdevtools

curl -L -O https://dl.bintray.com/mitchellh/serf/0.6.3_linux_amd64.zip
unzip 0.6.3_linux_amd64.zip
mv serf /usr/local/bin

rpmdev-setuptree
curl -L -O http://www.qmailtoaster.com/download/stable/daemontools-toaster-0.76-1.3.6.src.rpm
rpmbuild --rebuild daemontools-toaster-0.76-1.3.6.src.rpm
rpm -ivh rpmbuild/RPMS/x86_64/daemontools-toaster-0.76-1.3.6.x86_64.rpm
useradd -r serf
mkdir /var/lib/serf
chown serf: /var/lib/serf

mkdir -p /usr/local/serf/service/log

cat <<'EOF' > /etc/init/daemontools.conf
start on runlevel [0123456]
respawn
exec /usr/bin/svscanboot
EOF

start daemontools
chown -R serf: /usr/local/serf

cat <<'EOF' > /usr/local/serf/service/run
#!/bin/sh

set -e
exec 2>&1

exec setuidgid serf /usr/local/bin/serf agent \
     -node=$(hostname) \
EOF

cat <<'EOF' > /usr/local/serf/service/log/run
#!/bin/sh

set -e
exec 2>&1
exec setuidgid serf multilog t s16777216 n10 ./
EOF

chmod +x /usr/local/serf/service/run
chmod +x /usr/local/serf/service/log/run
ln -s /usr/local/serf/service /service/serf