Add dns plugin (#4)

* Another requirements file for pip to process
* Install the plugins requirements alongside the other python modules
* Build the netbox-plugin-dns plugin into our container images

Dockerfile

@@ -29,7 +29,7 @@ RUN export DEBIAN_FRONTEND=noninteractive \
       wheel
 
 ARG NETBOX_PATH
-COPY ${NETBOX_PATH}/requirements.txt requirements-container.txt /
+COPY ${NETBOX_PATH}/requirements.txt requirements-container.txt requirements-plugins.txt /
 RUN \
     # We compile 'psycopg' in the build process
     sed -i -e '/psycopg/d' /requirements.txt && \
@@ -41,7 +41,8 @@ RUN \
     sed -i -e 's/social-auth-core\[openidconnect\]/social-auth-core\[all\]/g' /requirements.txt && \
     /opt/netbox/venv/bin/pip install \
       -r /requirements.txt \
-      -r /requirements-container.txt
+      -r /requirements-container.txt \
+      -r /requirements-plugins.txt
 
 ###
 # Main stage

configuration/plugins.py

@@ -4,7 +4,7 @@
 # To learn how to build images with your required plugins
 # See https://github.com/netbox-community/netbox-docker/wiki/Using-Netbox-Plugins
 
-# PLUGINS = ["netbox_bgp"]
+PLUGINS = ["netbox_dns"]
 
 # PLUGINS_CONFIG = {
 #   "netbox_bgp": {

requirements-plugins.txt

@@ -0,0 +1 @@
+netbox-plugin-dns