Add support for logrotate and supervisor

Issue #9

assets/build/install.sh

@@ -71,3 +71,30 @@ sed -i -e "s|^[# ]*StrictHostKeyChecking.*$|    StrictHostKeyChecking no|" /etc/
 echo "    UserKnownHostsFile /dev/null" >> /etc/ssh/ssh_config
 echo "    LogLevel ERROR" >> /etc/ssh/ssh_config
 echo "#   IdentityFile salt_ssh_key" >> /etc/ssh/ssh_config
+
+# Configure logrotate
+echo "Configuring logrotate ..."
+
+# move supervisord.log file to ${SALT_LOGS_DIR}/supervisor/
+sed -i "s|^[#]*logfile=.*|logfile=${SALT_LOGS_DIR}/supervisor/supervisord.log ;|" /etc/supervisor/supervisord.conf
+
+# fix "unknown group 'syslog'" error preventing logrotate from functioning
+sed -i "s|^su root syslog$|su root root|" /etc/logrotate.conf
+
+# Configure supervisor
+echo "Configuring supervisor ..."
+
+# configure supervisord to start unicorn
+cat > /etc/supervisor/conf.d/salt-master.conf <<EOF
+[program:salt-master]
+priority=5
+directory=${SALT_HOME}
+environment=HOME=${SALT_HOME}
+command=salt-master
+user=${SALT_USER}
+autostart=true
+autorestart=true
+stopsignal=QUIT
+stdout_logfile=${SALT_LOGS_DIR}/supervisor/%(program_name)s.log
+stderr_logfile=${SALT_LOGS_DIR}/supervisor/%(program_name)s.log
+EOF