Add the environment file to the systemd unit.

templates/orientdb.default.j2

@@ -1,8 +1,8 @@
-export ORIENTDB_DIR="{{ orientdb_home_prefix }}/{{ orientdb_user }}/{{ orientdb_dir }}"
-export ORIENTDB_USER="{{ orientdb_user }}"
-export ORIENTDB_OPTS_MEMORY="{{ orientdb_java_heap }}"
-export ORIENTDB_SETTINGS="{{ orientdb_default_settings }}"
+ORIENTDB_DIR="{{ orientdb_home_prefix }}/{{ orientdb_user }}/{{ orientdb_dir }}"
+ORIENTDB_USER="{{ orientdb_user }}"
+ORIENTDB_OPTS_MEMORY="{{ orientdb_java_heap }}"
+ORIENTDB_SETTINGS="{{ orientdb_default_settings }}"
 ORIENTDB_SERVER_OPTS=
 {% if orientdb_distributed %}
 ORIENTDB_SERVER_OPTS="-Ddistributed=true"
-{% endif %}
+{% endif %}

templates/orientdb.service.j2

@@ -7,6 +7,7 @@ After=syslog.target
 WantedBy=multi-user.target
 
 [Service]
+EnvironmentFile=/etc/default/orientdb
 Type=simple
 User={{ orientdb_user }}
 Group={{ orientdb_user }}
@@ -17,5 +18,4 @@ StandardError=syslog
 SyslogIdentifier=orientdb
 ExecStart={{ orientdb_home_prefix }}/{{ orientdb_user }}/{{ orientdb_dir }}/bin/server.sh
 ExecStop={{ orientdb_home_prefix }}/{{ orientdb_user }}/{{ orientdb_dir }}/bin/shutdown.sh
-ExecStatus={{ orientdb_home_prefix }}/{{ orientdb_user }}/{{ orientdb_dir }}/bin/orientdb.sh status
 ExecReload=/bin/kill -HUP $MAINPID