Fixed systemd service unit missing Install section

vault/files/vault.service

@@ -1,10 +1,10 @@
 [Unit]
 Description=vault server
-Requires=network-online.target
+Requires=network-online.target{% if config.storage and config.storage.type == "consul" %} consul.service{% endif %}
 After=network-online.target{% if config.storage and config.storage.type == "consul" %} consul.service{% endif %}
 
 [Service]
-EnvironmentFile=-/etc/{% if grains['os_family'] == 'Debian' %}default{% else %}sysconfig{% endif %}/vault
+EnvironmentFile=-/etc/sysconfig/vault
 User={{ user }}
 Group={{ group }}
 ExecStart=/usr/local/bin/vault server {% if config.dev_mode %}-dev{% else %}-config="/etc/vault.d/config.hcl"{% endif %}
@@ -16,3 +16,6 @@ AmbientCapabilities=CAP_IPC_LOCK
 SecureBits=keep-caps
 NoNewPrivileges=yes
 KillSignal=SIGINT
+
+[Install]
+WantedBy=multi-user.target