Install salt-master to run under a service user

install-salt.sh

#!/bin/bash

$SALT_HOME=/var/local/salt

sudo useradd -m -d $SALT_HOME -r -U -c "Salt Master Daemon" salt

mkdir salt
cat > salt/master <<EOF
user: salt

worker_threads: 3

fileserver_backend:
  - roots

file_roots:
  base:
    - $SALT_HOME/state

pillar_roots:
  base:
    - $SALT_HOME/pillar

extension_modules: $SALT_HOME/extmods

log_level: debug
log_file: /var/log/salt/master
key_logfile: /var/log/salt/key

cachedir: $SALT_HOME/cache
pki_dir: $SALT_HOME/pki
pidfile: $SALT_HOME/run/master.pid
EOF

sudo mkdir /var/log/salt /etc/salt
sudo chown salt /var/log/salt /etc/salt

ln -s /etc/salt $SALT_HOME/etc

curl -L http://bootstrap.saltstack.org | sudo sh -s -- -N -M -c `pwd`/salt git