Fixes: #2902 - Implements systemd (#3017)

* Closes #2902 - Migrate to systemd from supervisord
* Closes #2902 - Migrate to systemd from supervisord

* Update systemd unit and environment file
* Add gunicorn.conf
* Update documentation and CHANGELOG.  Moved parameters around on service file
* Update Gitignore

contrib/gunicorn.conf

@@ -0,0 +1,22 @@
+# Bind is the ip and port that the Netbox WSGI should bind to
+#
+bind='127.0.0.1:8001'
+
+# Workers is the number of workers that GUnicorn should spawn.
+# Workers should be: cores * 2 + 1.  So if you have 8 cores, it would be 17.
+#
+workers=3
+
+# Threads
+#     The number of threads for handling requests
+#
+threads=3
+
+# Timeout is the timeout between gunicorn receiving a request and returning a response (or failing with a 500 error)
+#
+timeout=120
+
+# ErrorLog
+#     ErrorLog is the logfile for the ErrorLog
+#
+errorlog='/opt/netbox/netbox.log'

contrib/netbox-rq.service

@@ -0,0 +1,24 @@
+[Unit]
+Description=Netbox RQ Worker
+Documentation=https://netbox.readthedocs.io/en/stable/
+After=network-online.target
+Wants=network-online.target
+
+[Service]
+Type=simple
+
+EnvironmentFile=/etc/sysconfig/netbox.env
+
+User=www-data
+Group=www-data
+
+WorkingDirectory=${WorkingDirectory}
+
+ExecStart=/usr/bin/python3 ${WorkingDirectory}/netbox/manage.py rqworker
+
+Restart=on-failure
+RestartSec=30
+PrivateTmp=true
+
+[Install]
+WantedBy=multi-user.target

contrib/netbox.env

@@ -0,0 +1,15 @@
+# Name is the Process Name
+#
+Name = 'Netbox'
+
+# ConfigPath is the path to the gunicorn config file.
+#
+ConfigPath=/opt/netbox/gunicorn.conf
+
+# WorkingDirectory is the Working Directory for Netbox.
+#
+WorkingDirectory=/opt/netbox/
+
+# PidPath is the path to the pid for the netbox WSGI
+#
+PidPath=/opt/netbox/netbox.pid

contrib/netbox.service

@@ -0,0 +1,24 @@
+[Unit]
+Description=Netbox WSGI
+Documentation=https://netbox.readthedocs.io/en/stable/
+After=network-online.target
+Wants=network-online.target
+
+[Service]
+Type=simple
+
+EnvironmentFile=/etc/sysconfig/netbox.env
+
+User=www-data
+Group=www-data
+PIDFile=${PidPath}
+WorkingDirectory=${WorkingDirectory}
+
+ExecStart=/usr/local/bin/gunicorn --pid ${PidPath} --pythonpath ${WorkingDirectory}/netbox --config ${ConfigPath} netbox.wsgi
+
+Restart=on-failure
+RestartSec=30
+PrivateTmp=true
+
+[Install]
+WantedBy=multi-user.target

contrib/netbox@.service

@@ -0,0 +1,24 @@
+[Unit]
+Description=Netbox WSGI
+Documentation=https://netbox.readthedocs.io/en/stable/
+After=network-online.target
+Wants=network-online.target
+
+[Service]
+Type=simple
+
+EnvironmentFile=/etc/sysconfig/netbox.%i.env
+
+User=www-data
+Group=www-data
+PIDFile=${PidPath}
+WorkingDirectory=${WorkingDirectory}
+
+ExecStart=/usr/local/bin/gunicorn --pid ${PidPath} --pythonpath ${WorkingDirectory}/netbox --config ${ConfigPath} netbox.wsgi
+
+Restart=on-failure
+RestartSec=30
+PrivateTmp=true
+
+[Install]
+WantedBy=multi-user.target